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Porphyromonas is a Gram-negative, non-spore-forming, obligately anaerobic and non-motile genus from the family of Porphyromonadaceae. This genus has been found to be part of the salivary microbiome. The use of targeted 16S rRNA gene metagenomic sequencing has shown that the genus is well represented in healthy individuals from the Human Microbiome Project.
Cedecea is a genus of extremely rare bacteria of the family Enterobacteriaceae. The name of this genus was derived from CDC, the abbreviation for the Centers for Disease Control where the initial members of this genus were discovered. This genus resembles no other group of Enterobacteriaceae. Cedecea bacteria are Gram-negative, bacillus in shape, motile, nonencapsulated, and non-spore-forming. The strains of Cedecea appear to be similar to those of Serratia. Both Cedecea and Serratia are lipase positive and resistant to colistin and cephalothin; however, Cedecea is unable to hydrolyze gelatin or DNA.
The Negativicutes are a class of bacteria in the phylum Firmicutes, whose members have a peculiar cell wall with a lipopolysaccharide outer membrane which stains gram-negative, unlike most other members of the Firmicutes. 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 Proteobacteria. Additional research is required to confirm the origin of the diderm cell envelope in the Negativicutes.
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Roseomonas is a genus of Gram negative bacteria. The cells are coccoid rods when viewed microscopically. Certain species are known to be opportunistic infections for humans.
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Janibacter is a genus of Gram positive, nonmotile, non-sporeforming bacteria. The genus name is derived from the two-faced Roman god Janus, referring to the fact that the cells of the original strain could be rod-shaped or coccoid.
Effusibacillus consociatus is a species of Gram positive, aerobic, bacterium. The cells are rod-shaped and form spores. It was first isolated from a blood sample from a 51-year-old woman, although it was not implicated as a pathogen. The species name is derived from Latin consociatus, to indicate that the bacteria was associated with a human clinical case.
References
- ↑ "LPSN bacterio" . Retrieved 2013-07-14.
- ↑ CCUG Culture Collection, University of Göteborg
- ↑ International Journal of Systematic and Evolutionary Microbiology [ permanent dead link ]
- ↑ Coenye, T; Vancanneyt, M; Falsen, E; Swings, J; Vandamme, P (2003). "Achromobacter insolitus sp. nov. and Achromobacter spanius sp. nov., from human clinical samples". Int J Syst Evol Microbiol. 53: 1819–24. doi: 10.1099/ijs.0.02698-0 . PMID 14657110.
- ↑ "EzBioCloud". Archived from the original on 2014-09-05. Retrieved 2013-07-14.