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Escherichia coli ( ESH-ə-RIK-ee-ə KOH-ly) is a Gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms. Most E. coli strains are harmless, but some serotypes such as EPEC, and ETEC are pathogenic and can cause serious food poisoning in their hosts, and are occasionally responsible for food contamination incidents that prompt product recalls. Most strains are part of the normal microbiota of the gut and are harmless or even beneficial to humans (although these strains tend to be less studied than the pathogenic ones). For example, some strains of E. coli benefit their hosts by producing vitamin K2 or by preventing the colonization of the intestine by pathogenic bacteria. These mutually beneficial relationships between E. coli and humans are a type of mutualistic biological relationship — where both the humans and the E. coli are benefitting each other. E. coli is expelled into the environment within fecal matter. The bacterium grows massively in fresh fecal matter under aerobic conditions for three days, but its numbers decline slowly afterwards.
Pseudomonas fluorescens is a common Gram-negative, rod-shaped bacterium. It belongs to the Pseudomonas genus; 16S rRNA analysis as well as phylogenomic analysis has placed P. fluorescens in the P. fluorescens group within the genus, to which it lends its name.
Paenarthrobacter ureafaciens KI72, popularly known as nylon-eating bacteria, is a strain of Paenarthrobacter ureafaciens that can digest certain by-products of nylon 6 manufacture. It uses a set of enzymes to digest nylon, popularly known as nylonase.
Mycobacterium chlorophenolicum is a species of the phylum Actinomycetota, belonging to the genus Mycobacterium.
Orientia tsutsugamushi is a mite-borne bacterium belonging to the family Rickettsiaceae and is responsible for a disease called scrub typhus in humans. It is a natural and an obligate intracellular parasite of mites belonging to the family Trombiculidae. With a genome of only 2.0–2.7 Mb, it has the most repeated DNA sequences among bacterial genomes sequenced so far. The disease, scrub typhus, occurs when infected mite larvae accidentally bite humans. Primarily indicated by undifferentiated febrile illnesses, the infection can be complicated and often fatal.
In enzymology, a fructose 5-dehydrogenase (NADP+) (EC 1.1.1.124) is an enzyme that catalyzes the chemical reaction
In enzymology, a glucose 1-dehydrogenase (NADP+) (EC 1.1.1.119) is an enzyme that catalyzes the chemical reaction
In enzymology, a fructose 5-dehydrogenase is an enzyme that catalyzes the chemical reaction
Synaptotagmin-2 is a protein that in humans is encoded by the SYT2 gene.
Alcohol dehydrogenase (quinone) (EC 1.1.5.5, type III ADH, membrane associated quinohaemoprotein alcohol dehydrogenase) is an enzyme with systematic name alcohol:quinone oxidoreductase. This enzyme catalyses the following chemical reaction
Quinate dehydrogenase (quinone) (EC 1.1.5.8, NAD(P)+-independent quinate dehydrogenase, quinate:pyrroloquinoline-quinone 5-oxidoreductase) is an enzyme with systematic name quinate:quinol 3-oxidoreductase. This enzyme catalyses the following chemical reaction
Vpx is a virion-associated protein encoded by human immunodeficiency virus type 2 HIV-2 and most simian immunodeficiency virus (SIV) strains, but that is absent from HIV-1. It is similar in structure to the protein Vpr that is carried by SIV and HIV-2 as well as HIV-1. Vpx is one of five accessory proteins carried by lentiviruses that enhances viral replication by inhibiting host antiviral factors.
Comamonas thiooxydans is a Gram-negative, rod-shaped bacterium from the genus Comamonas and family Comamonadaceae, which was isolated from a sulfur spring. C. thiooxydans has the ability to oxidize thiosulfate.
Methanocella paludicola is a methane-producing archaeon, the type species of its genus. It was first isolated from rice paddy soil, and is mesophilic and hydrogenotrophic, with type strain SANAET.
Oscillibacter valericigenes is a species of mesophilic bacterium identified in the alimentary canal of Japanese Corbicula clams. It is Gram-negative and anaerobic, with a straight to slightly curved rod-like morphology, and is motile with petritrichous flagella. It was not observed in culture to form spores.
Gluconobacter is a genus of bacteria in the acetic acid bacteria family. They prefer sugar-rich environments, so are sometimes found as a spoilage organism in beer. They are not known to be pathogenic but can cause rot in apples and pears. They are used alone or with acetobacter for microbial degradation of ethanol
Komagataeibacter xylinus is a species of bacteria best known for its ability to produce cellulose, specifically bacterial cellulose.
Raoultella electrica is a Gram-negative, non-spore-forming, rod-shaped bacterium of the genus Raoultella. The type strain of R. electrica was isolated from anodic biofilms of a microbial fuel cell fed with glucose.
The species Rhizorhabdus wittichii, formerly Sphingomonas wittichii, is a Gram-negative, rod-shaped motile bacterium, with an optimum growth temperature at 30 °C. It forms a greyish white colony. It has been found to have a 67mol% of DNA G+C content.
References
- ↑ Tanasupawat S, Thawai C, Yukphan P, Moonmangmee D, Itoh T, Adachi O, et al. (2004). "Gluconobacter thailandicus sp. nov., an acetic acid bacterium in the alpha-Proteobacteria". J Gen Appl Microbiol. 50 (3): 159–67. doi: 10.2323/jgam.50.159 . PMID 15486825.
