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Abiotrophia

Genus of bacteria From Wikipedia, the free encyclopedia

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Abiotrophia is a genus of lactic acid bacteria, a family in the phylum Bacillota (Bacteria).

Quick Facts Scientific classification, Type species ...
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Species

The genus contains 4 species of coccus shaped species,[2] 2 are former members of the genus Streptococcus, which were transferred in 1995 to the newly coined genus Abiotrophia:[1]

  • A. adiacens ( (Bouvet et al. 1989) Kawamura et al. 1995; Latin feminine gender adjective adiacens, adjacent, indicating that this organism can grow as satellite colonies adjacent to other bacterial growth.)
  • A. defectiva ( (Bouvet et al. 1989) Kawamura et al. 1995, comb. nov. (Type species of the genus).; Latin feminine gender adjective defectiva, deficient.)[3]

Other 2 are latter additions:

In 2000, Collins and Lawsons further differentiated A. adiacens, A. balaenopterae and A. elegans from A. defectiva by placing them into the new genus Granulicatella.[7]

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Etymology

The name Abiotrophia derives from: Greek prefix ἄ (a)-, negative (un-); Greek noun βιος (bios), life; Greek noun τροφιά (trophia), nutrition; Neo-Latin feminine gender noun Abiotrophia, life-nutrition-deficiency.[2]

Genome Sequence

For the Human Microbiome Project (HMP), the genome of Abiotrophia defectiva ATCC 49176 has been sequenced (assembly) as it is a resident of human oral cavity and urogenital and intestinal tracts and is a cause of infective endocarditis, showing it to have 3291 protein encoded in a 3.4774 Mbp genome with a GC content of 37.0% [8]

Disease

Formerly classified as nutritionally variant streptococci, A. elegans had been identified as a cause of 1 to 2% of blood culture negative bacterial infective endocarditis.[9]

References

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