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In taxonomy, Halosimplex is a genus of the Halobacteriaceae.
The Veillonellaceae are a family of the Clostridia, formerly known as Acidaminococcaceae. Bacteria in this family are grouped together mainly based on genetic studies, which place them among the Bacillota. Supporting this placement, several species are capable of forming endospores. However, they differ from most other Bacillota in having Gram-negative stains. The cell wall composition is peculiar.
The Negativicutes are a class of bacteria in the phylum Bacillota, whose members have a peculiar cell wall with a lipopolysaccharide outer membrane which stains gram-negative, unlike most other members of the Bacillota. Although several neighbouring Clostridia species also stain gram-negative, the proteins responsible for the unusual diderm structure of the Negativicutes may have actually been laterally acquired from Pseudomonadota. Additional research is required to confirm the origin of the diderm cell envelope in the Negativicutes.
The Solirubrobacterales are an order of Actinomycetota.
The Selenomonadales are an order of bacteria within the class Negativicutes; unlike most other members of Bacillota, they are Gram-negative. The phylogeny of this order was initially determined by 16S rRNA comparisons. More recently, molecular markers in the form of conserved signature indels (CSIs) have been found specific for all Selenomonadales species. On the basis of these markers, the Selenomonadales are inclusive of two distinct families, and are no longer the sole order within the Negativicutes. Several CSIs have also been found specific for both families, Sporomusaceae and Selenomonadceae. Samples of bacterial strains within this order have been isolated from the root canals of healthy human teeth.
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References
- 1 2 Gupta RS, Chen WJ, Adeolu M, Chai Y (2013). "Molecular signatures for the class Coriobacteriia and its different clades; Proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov". Int J Syst Evol Microbiol. 63 (Pt 9): 3379–3397. doi:10.1099/ijs.0.048371-0. PMID 23524353.
- 1 2 3 Euzéby JP, Parte AC. "Atopobiaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 23, 2021.
- ↑ Sayers; et al. "Atopobiaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-03-20.
- ↑ Nouioui I, Carro L, García-López M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Markus Göker M (2018). "Genome-Based Taxonomic Classification of the Phylum Actinobacteria". Front. Microbiol. 9: 2007. doi: 10.3389/fmicb.2018.02007 . PMC 6113628 . PMID 30186281.
- ↑ "The LTP" . Retrieved 20 November 2023.
- ↑ "LTP_all tree in newick format" . Retrieved 20 November 2023.
- ↑ "LTP_08_2023 Release Notes" (PDF). Retrieved 20 November 2023.
- ↑ "GTDB release 08-RS214". Genome Taxonomy Database . Retrieved 10 May 2023.
- ↑ "bac120_r214.sp_label". Genome Taxonomy Database . Retrieved 10 May 2023.
- ↑ "Taxon History". Genome Taxonomy Database . Retrieved 10 May 2023.
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