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Pathogen, the Glossary

Index Pathogen

In biology, a pathogen (πάθος, "suffering", "passion" and -γενής, "producer of"), in the oldest and broadest sense, is any organism or agent that can produce disease.[1]

Table of Contents

  1. 221 relations: Academic Press, Acanthamoeba keratitis, Adenoviridae, African trypanosomiasis, Alphavirus, Amoebiasis, Amoxicillin, Amyloid, Anthrax vaccine, Antibiotic, Antigenic escape, Antimicrobial resistance, Aspergillus fumigatus, Athlete's foot, Autoimmune disease, Bacterial capsule, Bacteriophage, Baltimore classification, Basic reproduction number, Beta-lactam antibiotics, Biology, BioMed Central, Black lung disease, Bovine immunodeficiency virus, Bovine spongiform encephalopathy, British Medical Bulletin, Broad-spectrum antibiotic, Campylobacter, Candida albicans, Candidiasis, Cas9, Centers for Disease Control and Prevention, Cestoda, Chagas disease, Chestnut blight, Chickenpox, Chikungunya, Cholera, Chronic wasting disease, Ciprofloxacin/dexamethasone, Clostridium perfringens, Clotrimazole, Coal dust, Coronavirus, COVID-19, Creutzfeldt–Jakob disease, CRISPR, CRISPR gene editing, Cryptococcus neoformans, Cryptosporidiosis, ... Expand index (171 more) »

  2. Hazardous materials

Academic Press

Academic Press (AP) is an academic book publisher founded in 1941.

See Pathogen and Academic Press

Acanthamoeba keratitis

Acanthamoeba keratitis (AK) is a rare disease in which amoebae of the genus Acanthamoeba invade the clear portion of the front (cornea) of the eye.

See Pathogen and Acanthamoeba keratitis

Adenoviridae

Adenoviruses (members of the family Adenoviridae) are medium-sized (90–100 nm), nonenveloped (without an outer lipid bilayer) viruses with an icosahedral nucleocapsid containing a double-stranded DNA genome.

See Pathogen and Adenoviridae

African trypanosomiasis

African trypanosomiasis is an insect-borne parasitic infection of humans and other animals.

See Pathogen and African trypanosomiasis

Alphavirus

Alphavirus is a genus of RNA viruses, the sole genus in the Togaviridae family.

See Pathogen and Alphavirus

Amoebiasis

Amoebiasis, or amoebic dysentery, is an infection of the intestines caused by a parasitic amoeba Entamoeba histolytica.

See Pathogen and Amoebiasis

Amoxicillin

Amoxicillin is an antibiotic medication belonging to the aminopenicillin class of the penicillin family.

See Pathogen and Amoxicillin

Amyloid

Amyloids are aggregates of proteins characterised by a fibrillar morphology of typically 7–13 nm in diameter, a β-sheet secondary structure (known as cross-β) and ability to be stained by particular dyes, such as Congo red.

See Pathogen and Amyloid

Anthrax vaccine

Anthrax vaccines are vaccines to prevent the livestock and human disease anthrax, caused by the bacterium Bacillus anthracis.

See Pathogen and Anthrax vaccine

Antibiotic

An antibiotic is a type of antimicrobial substance active against bacteria.

See Pathogen and Antibiotic

Antigenic escape

Antigenic escape, immune escape, immune evasion or escape mutation occurs when the immune system of a host, especially of a human being, is unable to respond to an infectious agent: the host's immune system is no longer able to recognize and eliminate a pathogen, such as a virus.

See Pathogen and Antigenic escape

Antimicrobial resistance

Antimicrobial resistance (AMR) occurs when microbes evolve mechanisms that protect them from the effects of antimicrobials (drugs used to treat infections).

See Pathogen and Antimicrobial resistance

Aspergillus fumigatus

Aspergillus fumigatus is a species of fungus in the genus Aspergillus, and is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency.

See Pathogen and Aspergillus fumigatus

Athlete's foot, known medically as tinea pedis, is a common skin infection of the feet caused by a fungus.

See Pathogen and Athlete's foot

Autoimmune disease

An autoimmune disease is a condition that results from an anomalous response of the adaptive immune system, wherein it mistakenly targets and attacks healthy, functioning parts of the body as if they were foreign organisms.

See Pathogen and Autoimmune disease

Bacterial capsule

The bacterial capsule is a large structure common to many bacteria.

See Pathogen and Bacterial capsule

Bacteriophage

A bacteriophage, also known informally as a phage, is a virus that infects and replicates within bacteria and archaea.

See Pathogen and Bacteriophage

Baltimore classification

Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis.

See Pathogen and Baltimore classification

Basic reproduction number

In epidemiology, the basic reproduction number, or basic reproductive number (sometimes called basic reproduction ratio or basic reproductive rate), denoted R_0 (pronounced R nought or R zero), of an infection is the expected number of cases directly generated by one case in a population where all individuals are susceptible to infection.

See Pathogen and Basic reproduction number

Beta-lactam antibiotics

β-lactam antibiotics (beta-lactam antibiotics) are antibiotics that contain a beta-lactam ring in their chemical structure.

See Pathogen and Beta-lactam antibiotics

Biology

Biology is the scientific study of life.

See Pathogen and Biology

BioMed Central

BioMed Central (BMC) is a United Kingdom-based, for-profit scientific open access publisher that produces over 250 scientific journals.

See Pathogen and BioMed Central

Black lung disease

Black lung disease (BLD), also known as coal workers' pneumoconiosis, or simply black lung, is an occupational type of pneumoconiosis caused by long-term inhalation and deposition of coal dust in the lungs and the consequent lung tissue's reaction to its presence. It is common in coal miners and others who work with coal.

See Pathogen and Black lung disease

Bovine immunodeficiency virus

Bovine immunodeficiency virus (BIV) is a retrovirus belonging to the genus Lentivirus.

See Pathogen and Bovine immunodeficiency virus

Bovine spongiform encephalopathy

Bovine spongiform encephalopathy (BSE), commonly known as mad cow disease, is an incurable and invariably fatal neurodegenerative disease of cattle.

See Pathogen and Bovine spongiform encephalopathy

British Medical Bulletin

British Medical Bulletin is a quarterly peer-reviewed general medical journal that publishes review articles on a wide variety of medical subjects.

See Pathogen and British Medical Bulletin

Broad-spectrum antibiotic

A broad-spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, Gram-positive and Gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria.

See Pathogen and Broad-spectrum antibiotic

Campylobacter

Campylobacter is a type of bacteria that can cause a diarrheal disease in people.

See Pathogen and Campylobacter

Candida albicans

Candida albicans is an opportunistic pathogenic yeast that is a common member of the human gut flora.

See Pathogen and Candida albicans

Candidiasis

Candidiasis is a fungal infection due to any species of the genus Candida (a yeast).

See Pathogen and Candidiasis

Cas9

Cas9 (CRISPR associated protein 9, formerly called Cas5, Csn1, or Csx12) is a 160 kilodalton protein which plays a vital role in the immunological defense of certain bacteria against DNA viruses and plasmids, and is heavily utilized in genetic engineering applications.

See Pathogen and Cas9

Centers for Disease Control and Prevention

The Centers for Disease Control and Prevention (CDC) is the national public health agency of the United States.

See Pathogen and Centers for Disease Control and Prevention

Cestoda

Cestoda is a class of parasitic worms in the flatworm phylum (Platyhelminthes).

See Pathogen and Cestoda

Chagas disease

Chagas disease, also known as American trypanosomiasis, is a tropical parasitic disease caused by Trypanosoma cruzi.

See Pathogen and Chagas disease

Chestnut blight

The pathogenic fungus Cryphonectria parasitica (formerly Endothia parasitica) is a member of the Ascomycota (sac fungi).

See Pathogen and Chestnut blight

Chickenpox

Chickenpox, also known as varicella, is a highly contagious, vaccine-preventable disease caused by the initial infection with varicella zoster virus (VZV), a member of the herpesvirus family.

See Pathogen and Chickenpox

Chikungunya

Chikungunya is an infection caused by the Chikungunya virus (CHIKV).

See Pathogen and Chikungunya

Cholera

Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae.

See Pathogen and Cholera

Chronic wasting disease

Chronic wasting disease (CWD), sometimes called zombie deer disease, is a transmissible spongiform encephalopathy (TSE) affecting deer.

See Pathogen and Chronic wasting disease

Ciprofloxacin/dexamethasone

Ciprofloxacin/dexamethasone (Ciprodex) is an antibiotic/steroid combination medication.

See Pathogen and Ciprofloxacin/dexamethasone

Clostridium perfringens

Clostridium perfringens (formerly known as C. welchii, or Bacillus welchii) is a Gram-positive, bacillus (rod-shaped), anaerobic, spore-forming pathogenic bacterium of the genus Clostridium.

See Pathogen and Clostridium perfringens

Clotrimazole

Clotrimazole, sold under the brand name Lotrimin, among others, is an antifungal medication.

See Pathogen and Clotrimazole

Coal dust

Coal dust is a fine-powdered form of coal which is created by the crushing, grinding, or pulverization of coal rock.

See Pathogen and Coal dust

Coronavirus

Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds.

See Pathogen and Coronavirus

COVID-19

Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2.

See Pathogen and COVID-19

Creutzfeldt–Jakob disease

Creutzfeldt–Jakob disease (CJD), also known as subacute spongiform encephalopathy or neurocognitive disorder due to prion disease, is a fatal neurodegenerative disease.

See Pathogen and Creutzfeldt–Jakob disease

CRISPR

CRISPR (an acronym for clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea.

See Pathogen and CRISPR

CRISPR gene editing

CRISPR gene editing (CRISPR, pronounced "crisper", refers to "clustered regularly interspaced short palindromic repeats") is a genetic engineering technique in molecular biology by which the genomes of living organisms may be modified.

See Pathogen and CRISPR gene editing

Cryptococcus neoformans

Cryptococcus neoformans is an encapsulated yeast belonging to the class Tremellomycetes and an obligate aerobe that can live in both plants and animals.

See Pathogen and Cryptococcus neoformans

Cryptosporidiosis

Cryptosporidiosis, sometimes informally called crypto, is a parasitic disease caused by Cryptosporidium, a genus of protozoan parasites in the phylum Apicomplexa.

See Pathogen and Cryptosporidiosis

Denaturation (biochemistry)

In biochemistry, denaturation is a process in which proteins or nucleic acids lose folded structure present in their native state due to various factors, including application of some external stress or compound, such as a strong acid or base, a concentrated inorganic salt, an organic solvent (e.g., alcohol or chloroform), agitation and radiation, or heat.

See Pathogen and Denaturation (biochemistry)

Dengue fever

Dengue fever is a mosquito-borne disease caused by dengue virus, prevalent in tropical and subtropical areas.

See Pathogen and Dengue fever

Dengue virus

Dengue virus (DENV) is the cause of dengue fever.

See Pathogen and Dengue virus

Dermatophytosis

Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin (a dermatomycosis), that may affect skin, hair, and nails.

See Pathogen and Dermatophytosis

Dibotryon morbosum

Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot.

See Pathogen and Dibotryon morbosum

Diphtheria

Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae.

See Pathogen and Diphtheria

Disease burden

Disease burden is the impact of a health problem as measured by financial cost, mortality, morbidity, or other indicators.

See Pathogen and Disease burden

Disease vector

In epidemiology, a disease vector is any living agent that carries and transmits an infectious pathogen such as a parasite or microbe, to another living organism.

See Pathogen and Disease vector

DNA

Deoxyribonucleic acid (DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

See Pathogen and DNA

DNA methyltransferase

In biochemistry, the DNA methyltransferase (DNA MTase, DNMT) family of enzymes catalyze the transfer of a methyl group to DNA.

See Pathogen and DNA methyltransferase

DNA repair

DNA repair is a collection of processes by which a cell identifies and corrects damage to the DNA molecules that encode its genome.

See Pathogen and DNA repair

Dordrecht

Dordrecht, historically known in English as Dordt (still colloquially used in Dutch) or Dort, is a city and municipality in the Western Netherlands, located in the province of South Holland.

See Pathogen and Dordrecht

Doxycycline

Doxycycline is a broad-spectrum antibiotic of the tetracycline class used in the treatment of infections caused by bacteria and certain parasites.

See Pathogen and Doxycycline

Dutch elm disease

Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles.

See Pathogen and Dutch elm disease

Ebola

Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses.

See Pathogen and Ebola

Echinocandin

Echinocandins are a class of antifungal drugs that inhibit the synthesis of β-glucan in the fungal cell wall via noncompetitive inhibition of the enzyme 1,3-β glucan synthase.

See Pathogen and Echinocandin

Ecological competence

Ecological competence is a term that has several different meanings that are dependent on the context it is used.

See Pathogen and Ecological competence

Emerging Pathogens Institute

The Emerging Pathogens Institute (EPI) is an interdisciplinary research institution associated with the University of Florida.

See Pathogen and Emerging Pathogens Institute

Escherichia coli

Escherichia coliWells, J. C. (2000) Longman Pronunciation Dictionary.

See Pathogen and Escherichia coli

Eukaryote

The eukaryotes constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus.

See Pathogen and Eukaryote

Evolutionary pressure

Evolutionary pressure, selective pressure or selection pressure is exerted by factors that reduce or increase reproductive success in a portion of a population, driving natural selection.

See Pathogen and Evolutionary pressure

Fatal insomnia

Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom.

See Pathogen and Fatal insomnia

Feline immunodeficiency virus

Feline immunodeficiency virus (FIV) is a Lentivirus that affects cats worldwide, with 2.5% to 4.4% of felines being infected.

See Pathogen and Feline immunodeficiency virus

Feline spongiform encephalopathy

Feline spongiform encephalopathy (FSE) is a neurodegenerative disease that affects the brains of felines.

See Pathogen and Feline spongiform encephalopathy

Fertilisation

Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, syngamy and impregnation, is the fusion of gametes to give rise to a zygote and initiate its development into a new individual organism or offspring.

See Pathogen and Fertilisation

Fluconazole

Fluconazole is an antifungal medication used for a number of fungal infections.

See Pathogen and Fluconazole

Fungus

A fungus (fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.

See Pathogen and Fungus

Genetic disorder

A genetic disorder is a health problem caused by one or more abnormalities in the genome.

See Pathogen and Genetic disorder

Genetic recombination

Genetic recombination (also known as genetic reshuffling) is the exchange of genetic material between different organisms which leads to production of offspring with combinations of traits that differ from those found in either parent.

See Pathogen and Genetic recombination

Genetic transformation

In molecular biology and genetics, transformation is the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material from its surroundings through the cell membrane(s).

See Pathogen and Genetic transformation

Genome

In the fields of molecular biology and genetics, a genome is all the genetic information of an organism.

See Pathogen and Genome

Germ theory of disease

The germ theory of disease is the currently accepted scientific theory for many diseases. Pathogen and germ theory of disease are Microbiology.

See Pathogen and Germ theory of disease

Gerstmann–Sträussler–Scheinker syndrome

Gerstmann–Sträussler–Scheinker syndrome (GSS) is an extremely rare, always fatal (due to it being caused by prions) neurodegenerative disease that affects patients from 20 to 60 years in age.

See Pathogen and Gerstmann–Sträussler–Scheinker syndrome

Giardia duodenalis

Giardia duodenalis, also known as Giardia intestinalis and Giardia lamblia, is a flagellated parasitic protozoan microorganism of the genus Giardia that colonizes the small intestine, causing a diarrheal condition known as giardiasis.

See Pathogen and Giardia duodenalis

Giardiasis

Giardiasis is a parasitic disease caused by Giardia duodenalis (also known as G. lamblia and G. intestinalis).

See Pathogen and Giardiasis

Gram-negative bacteria

Gram-negative bacteria are bacteria that unlike gram-positive bacteria do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.

See Pathogen and Gram-negative bacteria

Gram-positive bacteria

In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.

See Pathogen and Gram-positive bacteria

Haemophilus influenzae

Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, non-motile, coccobacillary, facultatively anaerobic, capnophilic pathogenic bacterium of the family Pasteurellaceae.

See Pathogen and Haemophilus influenzae

Helicobacter pylori

Helicobacter pylori, previously known as Campylobacter pylori, is a gram-negative, flagellated, helical bacterium.

See Pathogen and Helicobacter pylori

Helminthiasis

Helminthiasis, also known as worm infection, is any macroparasitic disease of humans and other animals in which a part of the body is infected with parasitic worms, known as helminths.

See Pathogen and Helminthiasis

Hepadnaviridae

Hepadnaviridae is a family of viruses.

See Pathogen and Hepadnaviridae

Hepatitis A

Hepatitis A is an infectious disease of the liver caused by Hepatovirus A (HAV); it is a type of viral hepatitis.

See Pathogen and Hepatitis A

Hepatitis B

Hepatitis B is an infectious disease caused by the Hepatitis B virus (HBV) that affects the liver; it is a type of viral hepatitis.

See Pathogen and Hepatitis B

Hepatitis C

Hepatitis C is an infectious disease caused by the hepatitis C virus (HCV) that primarily affects the liver; it is a type of viral hepatitis.

See Pathogen and Hepatitis C

Herbivore

A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet.

See Pathogen and Herbivore

Herpes

Herpes simplex, often known simply as herpes, is a viral infection caused by the herpes simplex virus.

See Pathogen and Herpes

Herpes simplex virus

Herpes simplex virus 1 and 2 (HSV-1 and HSV-2), also known by their taxonomic names Human alphaherpesvirus 1 and Human alphaherpesvirus 2, are two members of the human ''Herpesviridae'' family, a set of viruses that produce viral infections in the majority of humans.

See Pathogen and Herpes simplex virus

Herpesviridae

Herpesviridae is a large family of DNA viruses that cause infections and certain diseases in animals, including humans.

See Pathogen and Herpesviridae

HIV

The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans.

See Pathogen and HIV

HIV/AIDS

The human immunodeficiency virus (HIV) is a retrovirus that attacks the immune system.

See Pathogen and HIV/AIDS

Hospital-acquired infection

A hospital-acquired infection, also known as a nosocomial infection (from the Greek, meaning "hospital"), is an infection that is acquired in a hospital or other healthcare facility.

See Pathogen and Hospital-acquired infection

Human microbiome

The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung, saliva, oral mucosa, conjunctiva, and the biliary tract. Pathogen and human microbiome are Microbiology.

See Pathogen and Human microbiome

Human pathogen

A human pathogen is a pathogen (microbe or microorganism such as a virus, bacterium, prion, or fungus) that causes disease in humans. Pathogen and human pathogen are Microbiology.

See Pathogen and Human pathogen

Immunodeficiency

Immunodeficiency, also known as immunocompromisation, is a state in which the immune system's ability to fight infectious diseases and cancer is compromised or entirely absent.

See Pathogen and Immunodeficiency

Immunosuppression

Immunosuppression is a reduction of the activation or efficacy of the immune system.

See Pathogen and Immunosuppression

Infectivity

In epidemiology, infectivity is the ability of a pathogen to establish an infection.

See Pathogen and Infectivity

Influenza

Influenza, commonly known as "the flu" or just "flu", is an infectious disease caused by influenza viruses.

See Pathogen and Influenza

Influenza vaccine

Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses.

See Pathogen and Influenza vaccine

International Committee on Taxonomy of Viruses

The International Committee on Taxonomy of Viruses (ICTV) authorizes and organizes the taxonomic classification of and the nomenclature for viruses.

See Pathogen and International Committee on Taxonomy of Viruses

International Journal of Molecular Sciences

The International Journal of Molecular Sciences is a peer-reviewed open access scientific journal covering research in chemistry, molecular physics, and molecular biology.

See Pathogen and International Journal of Molecular Sciences

Klebsiella pneumoniae

Klebsiella pneumoniae is a Gram-negative, non-motile, encapsulated, lactose-fermenting, facultative anaerobic, rod-shaped bacterium.

See Pathogen and Klebsiella pneumoniae

Koch's postulates

Koch's postulates are four criteria designed to establish a causal relationship between a microbe and a disease.

See Pathogen and Koch's postulates

Kuru (disease)

Kuru is a rare, incurable, and fatal neurodegenerative disorder that was formerly common among the Fore people of Papua New Guinea.

See Pathogen and Kuru (disease)

Legionella pneumophila

Legionella pneumophila is an aerobic, pleomorphic, flagellated, non-spore-forming, Gram-negative bacterium of the genus Legionella.

See Pathogen and Legionella pneumophila

Leishmaniasis

Leishmaniasis is a wide array of clinical manifestations caused by protozoal parasites of the Trypanosomatida genus Leishmania.

See Pathogen and Leishmaniasis

Leprosy

Leprosy, also known as Hansen's disease (HD), is a long-term infection by the bacteria Mycobacterium leprae or Mycobacterium lepromatosis.

See Pathogen and Leprosy

Listeria monocytogenes

Listeria monocytogenes is the species of pathogenic bacteria that causes the infection listeriosis.

See Pathogen and Listeria monocytogenes

Lupus

Lupus, technically known as systemic lupus erythematosus (SLE), is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body.

See Pathogen and Lupus

Lysogenic cycle

Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction (the lytic cycle being the other).

See Pathogen and Lysogenic cycle

Lytic cycle

The lytic cycle is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages), the other being the lysogenic cycle.

See Pathogen and Lytic cycle

Magnaporthe grisea

Magnaporthe grisea, also known as rice blast fungus, rice rotten neck, rice seedling blight, blast of rice, oval leaf spot of graminea, pitting disease, ryegrass blast, Johnson spot, neck blast, wheat blast and, is a plant-pathogenic fungus and model organism that causes a serious disease affecting rice.

See Pathogen and Magnaporthe grisea

Malaria

Malaria is a mosquito-borne infectious disease that affects vertebrates.

See Pathogen and Malaria

Management of HIV/AIDS

The management of HIV/AIDS normally includes the use of multiple antiretroviral drugs as a strategy to control HIV infection.

See Pathogen and Management of HIV/AIDS

Measles

Measles is a highly contagious, vaccine-preventable infectious disease caused by measles virus.

See Pathogen and Measles

Meiosis

Meiosis ((since it is a reductional division) is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells. It involves two rounds of division that ultimately result in four cells, each with only one copy of each chromosome (haploid).

See Pathogen and Meiosis

Meningitis

Meningitis is acute or chronic inflammation of the protective membranes covering the brain and spinal cord, collectively called the meninges.

See Pathogen and Meningitis

Messenger RNA

In molecular biology, messenger ribonucleic acid (mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of synthesizing a protein.

See Pathogen and Messenger RNA

Methicillin-resistant Staphylococcus aureus

Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus.

See Pathogen and Methicillin-resistant Staphylococcus aureus

Microbial toxin

Microbial toxins are toxins produced by micro-organisms, including bacteria, fungi, protozoa, dinoflagellates, and viruses. Pathogen and Microbial toxin are Microbiology.

See Pathogen and Microbial toxin

Microbiology

Microbiology is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).

See Pathogen and Microbiology

Microorganism

A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India. The scientific study of microorganisms began with their observation under the microscope in the 1670s by Anton van Leeuwenhoek.

See Pathogen and Microorganism

MMR vaccine

The MMR vaccine is a vaccine against measles, mumps, and rubella (German measles), abbreviated as MMR.

See Pathogen and MMR vaccine

Monilinia fructicola

Monilinia fructicola is a species of fungus in the order Helotiales.

See Pathogen and Monilinia fructicola

Mosquito

Mosquitoes, the Culicidae, are a family of small flies consisting of 3,600 species.

See Pathogen and Mosquito

Mumps

Mumps is a highly contagious viral disease caused by the mumps virus.

See Pathogen and Mumps

Mycobacterium tuberculosis

Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis.

See Pathogen and Mycobacterium tuberculosis

Naegleriasis

Naegleriasis, also known as primary amoebic meningoencephalitis (PAM), is an almost invariably fatal infection of the brain by the free-living unicellular eukaryote Naegleria fowleri.

See Pathogen and Naegleriasis

Nature (journal)

Nature is a British weekly scientific journal founded and based in London, England.

See Pathogen and Nature (journal)

Neisseria gonorrhoeae

Neisseria gonorrhoeae, also known as gonococcus (singular) or gonococci (plural), is a species of Gram-negative diplococci bacteria isolated by Albert Neisser in 1879.

See Pathogen and Neisseria gonorrhoeae

Nematode

The nematodes (or; Νηματώδη; Nematoda), roundworms or eelworms constitute the phylum Nematoda.

See Pathogen and Nematode

Nuclease

In biochemistry, a nuclease (also archaically known as nucleodepolymerase or polynucleotidase) is an enzyme capable of cleaving the phosphodiester bonds between nucleotides of nucleic acids.

See Pathogen and Nuclease

Nucleic acid

Nucleic acids are large biomolecules that are crucial in all cells and viruses.

See Pathogen and Nucleic acid

Opportunistic infection

An opportunistic infection is an infection caused by pathogens (bacteria, fungi, parasites or viruses) that take advantage of an opportunity not normally available.

See Pathogen and Opportunistic infection

Opsonin

Opsonins are extracellular proteins that, when bound to substances or cells, induce phagocytes to phagocytose the substances or cells with the opsonins bound.

See Pathogen and Opsonin

Optimal virulence

Optimal virulence is a concept relating to the ecology of hosts and parasites.

See Pathogen and Optimal virulence

Organ dysfunction

Organ dysfunction is a condition where an organ does not perform its expected function.

See Pathogen and Organ dysfunction

Organism

An organism is defined in a medical dictionary as any living thing that functions as an individual.

See Pathogen and Organism

Orthomyxoviridae

Orthomyxoviridae (from Greek ὀρθός, orthós 'straight' + μύξα, mýxa 'mucus') is a family of negative-sense RNA viruses.

See Pathogen and Orthomyxoviridae

Oxford University Press

Oxford University Press (OUP) is the publishing house of the University of Oxford.

See Pathogen and Oxford University Press

Papaya ringspot virus

Papaya ringspot virus (PRSV) is a pathogenic plant virus in the genus Potyvirus and the virus family Potyviridae which primarily infects the papaya tree.

See Pathogen and Papaya ringspot virus

Parasitic worm

Parasitic worms, also known as helminths, are large macroparasites; adults can generally be seen with the naked eye.

See Pathogen and Parasitic worm

Parasitism

Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life.

See Pathogen and Parasitism

Parasitology

Parasitology is the study of parasites, their hosts, and the relationship between them. Pathogen and Parasitology are Microbiology.

See Pathogen and Parasitology

Parvoviridae

Parvoviruses are a family of animal viruses that constitute the family Parvoviridae.

See Pathogen and Parvoviridae

Parvovirus B19

Human parvovirus B19, generally referred to as B19 virus (B19V), parvovirus B19 or sometimes erythrovirus B19, is a known human virus in the family Parvoviridae, genus Erythroparvovirus; it measures only 23–26 nm in diameter.

See Pathogen and Parvovirus B19

Pathogen transmission

In medicine, public health, and biology, transmission is the passing of a pathogen causing communicable disease from an infected host individual or group to a particular individual or group, regardless of whether the other individual was previously infected.

See Pathogen and Pathogen transmission

Pathogenic bacteria

Pathogenic bacteria are bacteria that can cause disease.

See Pathogen and Pathogenic bacteria

Phagocytosis

Phagocytosis is the process by which a cell uses its plasma membrane to engulf a large particle (≥ 0.5 μm), giving rise to an internal compartment called the phagosome.

See Pathogen and Phagocytosis

PHI-base

The Pathogen-Host Interactions database (PHI-base) is a biological database that contains manually curated information on genes experimentally proven to affect the outcome of pathogen-host interactions.

See Pathogen and PHI-base

Picornavirus

Picornaviruses are a group of related nonenveloped RNA viruses which infect vertebrates including fish, mammals, and birds.

See Pathogen and Picornavirus

Plant pathology

Plant pathology or phytopathology is the scientific study of plant diseases caused by pathogens (infectious organisms) and environmental conditions (physiological factors).

See Pathogen and Plant pathology

Plasmodium falciparum

Plasmodium falciparum is a unicellular protozoan parasite of humans, and the deadliest species of Plasmodium that causes malaria in humans.

See Pathogen and Plasmodium falciparum

Pneumococcal vaccine

Pneumococcal vaccines are vaccines against the bacterium Streptococcus pneumoniae.

See Pathogen and Pneumococcal vaccine

Potato spindle tuber viroid

The potato spindle tuber viroid (PSTVd) was the first viroid to be identified.

See Pathogen and Potato spindle tuber viroid

Poxviridae

Poxviridae is a family of double-stranded DNA viruses.

See Pathogen and Poxviridae

Prion

A prion is a misfolded protein that can induce misfolding of normal variants of the same protein and trigger cellular death.

See Pathogen and Prion

Prokaryote

A prokaryote (less commonly spelled procaryote) is a single-cell organism whose cell lacks a nucleus and other membrane-bound organelles.

See Pathogen and Prokaryote

Prototheca

Prototheca is a genus of algae in the family Chlorellaceae.

See Pathogen and Prototheca

Prototheca wickerhamii

Prototheca wickerhamii is a ubiquitous green alga that does not have chlorophyll.

See Pathogen and Prototheca wickerhamii

Protothecosis

Protothecosis, otherwise known as Algaemia, is a disease found in dogs, cats, cattle, and humans caused by a type of green alga known as Prototheca that lacks chlorophyll and enters the human or animal bloodstream.

See Pathogen and Protothecosis

Protozoa

Protozoa (protozoan or protozoon; alternative plural: protozoans) are a polyphyletic group of single-celled eukaryotes, either free-living or parasitic, that feed on organic matter such as other microorganisms or organic debris.

See Pathogen and Protozoa

Protozoan infection

Protozoan infections are parasitic diseases caused by organisms formerly classified in the kingdom Protozoa.

See Pathogen and Protozoan infection

Pseudomonas syringae

Pseudomonas syringae is a rod-shaped, Gram-negative bacterium with polar flagella.

See Pathogen and Pseudomonas syringae

Rabies

Rabies is a viral disease that causes encephalitis in humans and other mammals.

See Pathogen and Rabies

Ralstonia solanacearum

Ralstonia solanacearum is an aerobic non-spore-forming, Gram-negative, plant pathogenic bacterium.

See Pathogen and Ralstonia solanacearum

Retrovirus

A retrovirus is a type of virus that inserts a DNA copy of its RNA genome into the DNA of a host cell that it invades, thus changing the genome of that cell.

See Pathogen and Retrovirus

Rhabdoviridae

Rhabdoviridae is a family of negative-strand RNA viruses in the order Mononegavirales.

See Pathogen and Rhabdoviridae

Ribozyme

Ribozymes (ribonucleic acid enzymes) are RNA molecules that have the ability to catalyze specific biochemical reactions, including RNA splicing in gene expression, similar to the action of protein enzymes.

See Pathogen and Ribozyme

Rotavirus

Rotaviruses are the most common cause of diarrhoeal disease among infants and young children.

See Pathogen and Rotavirus

Rubella

Rubella, also known as German measles or three-day measles, is an infection caused by the rubella virus.

See Pathogen and Rubella

Salmonella

Salmonella is a genus of rod-shaped (bacillus) gram-negative bacteria of the family Enterobacteriaceae.

See Pathogen and Salmonella

Scrapie

Scrapie is a fatal, degenerative disease affecting the nervous systems of sheep and goats.

See Pathogen and Scrapie

Sedoreoviridae

Sedoreoviridae (formerly Reoviridae) is a family of double-stranded RNA viruses.

See Pathogen and Sedoreoviridae

Sickle cell disease

Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited.

See Pathogen and Sickle cell disease

Siderophore

Siderophores (Greek: "iron carrier") are small, high-affinity iron-chelating compounds that are secreted by microorganisms such as bacteria and fungi.

See Pathogen and Siderophore

Smallpox

Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus.

See Pathogen and Smallpox

Soil organic matter

Soil organic matter (SOM) is the organic matter component of soil, consisting of plant and animal detritus at various stages of decomposition, cells and tissues of soil microbes, and substances that soil microbes synthesize.

See Pathogen and Soil organic matter

Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

See Pathogen and Springer Science+Business Media

Staphylococcus aureus

Staphylococcus aureus is a gram-positive spherically shaped bacterium, a member of the Bacillota, and is a usual member of the microbiota of the body, frequently found in the upper respiratory tract and on the skin.

See Pathogen and Staphylococcus aureus

Streptococcus pneumoniae

Streptococcus pneumoniae, or pneumococcus, is a Gram-positive, spherical bacteria, alpha-hemolytic member of the genus Streptococcus.

See Pathogen and Streptococcus pneumoniae

Streptococcus pyogenes

Streptococcus pyogenes is a species of Gram-positive, aerotolerant bacteria in the genus Streptococcus.

See Pathogen and Streptococcus pyogenes

Susan Lindquist

Susan Lee Lindquist, ForMemRS (June 5, 1949 – October 27, 2016) was an American professor of biology at MIT specializing in molecular biology, particularly the protein folding problem within a family of molecules known as heat-shock proteins, and prions.

See Pathogen and Susan Lindquist

Taylor & Francis

Taylor & Francis Group is an international company originating in England that publishes books and academic journals.

See Pathogen and Taylor & Francis

Tetanus

Tetanus, also known as lockjaw, is a bacterial infection caused by Clostridium tetani and characterized by muscle spasms.

See Pathogen and Tetanus

The ISME Journal

The ISME Journal: Multidisciplinary Journal of Microbial Ecology is a peer-reviewed scientific journal that covers diverse and integrated areas of microbial ecology spanning the breadth of microbial life, including bacteria, archaea, microbial eukaryotes, and viruses.

See Pathogen and The ISME Journal

Tick

Ticks are parasitic arachnids of the order Ixodida.

See Pathogen and Tick

Tinea cruris

Tinea cruris, also known as jock itch, is a common type of contagious, superficial fungal infection of the groin and buttocks region, which occurs predominantly but not exclusively in men and in hot-humid climates.

See Pathogen and Tinea cruris

Tobacco mosaic virus

Tobacco mosaic virus (TMV) is a positive-sense single-stranded RNA virus species in the genus Tobamovirus that infects a wide range of plants, especially tobacco and other members of the family Solanaceae.

See Pathogen and Tobacco mosaic virus

Toxoplasma gondii

Toxoplasma gondii is a parasitic protozoan (specifically an apicomplexan) that causes toxoplasmosis.

See Pathogen and Toxoplasma gondii

Toxoplasmosis

Toxoplasmosis is a parasitic disease caused by Toxoplasma gondii, an apicomplexan.

See Pathogen and Toxoplasmosis

Transmissible mink encephalopathy

Transmissible mink encephalopathy (TME) is a rare sporadic disease that affects the central nervous system of ranch-raised adult mink.

See Pathogen and Transmissible mink encephalopathy

Transmissible spongiform encephalopathy

Transmissible spongiform encephalopathies (TSEs), also known as prion diseases, are a group of progressive, incurable, and fatal conditions that are associated with prions and affect the brain and nervous system of many animals, including humans, cattle, and sheep.

See Pathogen and Transmissible spongiform encephalopathy

Trematoda

Trematoda is a class of flatworms known as flukes or trematodes.

See Pathogen and Trematoda

Trichomoniasis

Trichomoniasis (trich) is an infectious disease caused by the parasite Trichomonas vaginalis.

See Pathogen and Trichomoniasis

Trypanosoma brucei

Trypanosoma brucei is a species of parasitic kinetoplastid belonging to the genus Trypanosoma that is present in sub-Saharan Africa.

See Pathogen and Trypanosoma brucei

Tuberculosis

Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria.

See Pathogen and Tuberculosis

Typhoid fever

Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella typhi.

See Pathogen and Typhoid fever

United States Department of Health and Human Services

The United States Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of the U.S. people and providing essential human services.

See Pathogen and United States Department of Health and Human Services

University of Texas Press

The University of Texas Press (or UT Press) is a university press that is part of the University of Texas at Austin.

See Pathogen and University of Texas Press

Vaccine

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease.

See Pathogen and Vaccine

Vaccinia

Vaccinia virus (VACV or VV) is a large, complex, enveloped virus belonging to the poxvirus family.

See Pathogen and Vaccinia

Vaginal yeast infection

Vaginal yeast infection, also known as candidal vulvovaginitis and vaginal thrush, is excessive growth of yeast in the vagina that results in irritation.

See Pathogen and Vaginal yeast infection

Variant Creutzfeldt–Jakob disease

Variant Creutzfeldt–Jakob disease (vCJD), commonly referred to as "mad cow disease" or "human mad cow disease" to distinguish it from its BSE counterpart, is a fatal type of brain disease within the transmissible spongiform encephalopathy family.

See Pathogen and Variant Creutzfeldt–Jakob disease

Vertical transmission

Vertical transmission of symbionts is the transfer of a microbial symbiont from the parent directly to the offspring.

See Pathogen and Vertical transmission

Vibrio cholerae

Vibrio cholerae is a species of Gram-negative, facultative anaerobe and comma-shaped bacteria.

See Pathogen and Vibrio cholerae

Viroid

Viroids are small single-stranded, circular RNAs that are infectious pathogens.

See Pathogen and Viroid

Virulence

Virulence is a pathogen's or microorganism's ability to cause damage to a host.

See Pathogen and Virulence

Virulence factor

Virulence factors (preferably known as pathogenicity factors or effectors in botany) are cellular structures, molecules and regulatory systems that enable microbial pathogens (bacteria, viruses, fungi, and protozoa) to achieve the following.

See Pathogen and Virulence factor

Virusoid

Virusoids are circular single-stranded RNA(s) dependent on viruses for replication and encapsidation.

See Pathogen and Virusoid

World Health Organization

The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health.

See Pathogen and World Health Organization

Yellow fever

Yellow fever is a viral disease of typically short duration.

See Pathogen and Yellow fever

See also

Hazardous materials

References

[1] https://en.wikipedia.org/wiki/Pathogen

Also known as Causative agent, Disease agent, Germ (microorganism), Incitant, Infectious agent, Infectious agents, Infectious organism, Nosogenic, Pathogen evolution, Pathogenic, Pathogenic microbe, Pathogenic microbes, Pathogenic microbial, Pathogenic organism, Pathogenicity, Pathogens.

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