''Blautia obeum'' is a species of
anaerobic
Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, active, or occurring only in the presence of oxygen." Anaerobic may also refer to:
* Anaerobic adhesive, a bonding a ...
,
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.
Gram-positive bact ...
found in the
gut.
It has been shown that ''B. obeum'' along with other relevant taxa play an important role both in the recovery process from ''
Vibrio cholerae
''Vibrio cholerae'' is a species of Gram-negative, facultative anaerobe and comma-shaped bacteria. The bacteria naturally live in brackish or saltwater where they attach themselves easily to the chitin-containing shells of crabs, shrimps, and oth ...
'' infection and microbiota maturation in children. Moreover, experiments in model mice show that ''B. obeum'' strain AI-2 reduces the pathogenicity of ''V. cholerae''. The data show that the expression of
quorum sensing
In biology, quorum sensing or quorum signalling (QS) is the ability to detect and respond to cell population density by gene regulation. As one example, QS enables bacteria to restrict the expression of specific genes to the high cell densities at ...
autoinducers by ''B. obeum'' is increased in ''V. cholera'' infections and they repress the expression of several ''V. cholera''
virulence factors
Virulence factors (preferably known as pathogenicity factors or effectors in plant science) are cellular structures, molecules and regulatory systems that enable microbial pathogens (bacteria, viruses, fungi, and protozoa) to achieve the following ...
.
References
External links
Type strain of ''Blautia obeum'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Lachnospiraceae
Gut flora bacteria
Bacteria described in 1976
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