Bacterial phyla
Phyla or divisions of the domain Bacteria / From Wikipedia, the free encyclopedia
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Bacterial phyla constitute the major lineages of the domain Bacteria. While the exact definition of a bacterial phylum is debated, a popular definition is that a bacterial phylum is a monophyletic lineage of bacteria whose 16S rRNA genes share a pairwise sequence identity of ~75% or less with those of the members of other bacterial phyla.[2]
This article is missing information about 2021 renames with "-ota" suffix due to ICNP update. See NCBI description (has link to the 42 new "validly published" names); analogous 2023 renames of Candidatus phyla in doi:10.1099/ijsem.0.005821. (December 2021) |
It has been estimated that ~1,300 bacterial phyla exist.[2] As of May 2020, 41 bacterial phyla are formally accepted by the LPSN,[3] 89 bacterial phyla are recognized on the Silva database, dozens more have been proposed,[4][5] and hundreds likely remain to be discovered.[2] As of 2017, approximately 72% of widely recognized bacterial phyla were candidate phyla[6] (i.e. have no cultured representatives).
The rank of phylum has been included in the rules of the International Code of Nomenclature of Prokaryotes, using the ending –ota for phylum names that must be based on the name of a genus as its nomenclatural type.[7][8]