Ureibacillus
Scientific classification
Domain:
Bacteria
Phylum:
Bacillota
Class:
Bacilli
Order:
Caryophanales
Family:
Caryophanaceae
Genus:
Ureibacillus

Fortina et al. 2001
Species

Ureibacillus is a genus of gram-negative bacteria within the largely gram-positive Bacillota.[1] Ureibacilli are motile and form spherical endospores. The type species of the genus is Ureibacillus thermosphaericus.[1]

History

The genus Ureibacillus was split from the genus Bacillus in 2001 to encompass Bacillus thermosphaericus (now Ureibacillus thermosphaericus) as well as several newly discovered similar strains of bacteria.[1]

In 2020, multiple Lysinibacillus species were transferred into Ureibacillus based on branching patterns in various phylogenetic trees constructed based on conserved genome sequences, indicating their phylogenetic relatedness.[2] The family Caryophanaceae encompassed many branching anomalies such as this one, partially due to the reliance on 16S rRNA sequences as a method for classification, which is known to have low resolution power and give differing results depending on the algorithm used.[2]

Analysis of genome sequences from Ureibacillus species identified three conserved signature indels (CSIs) that are uniquely present in this genus in the following proteins: MFS transporter, EamA family transporter, and DNA internalization-related competence protein ComEC/Rec2.[2] These CSIs provide a reliable molecular method for distinguishing Ureibacillus species from other genera within the family Caryophanaceae and all other bacteria.

References

  1. 1 2 3 Fortina MG; Pukall R; Schumann P; Mora D; Parini C; Manachini PL; Stackebrandt E (March 2001). "Ureibacillus gen. nov., a new genus to accommodate Bacillus thermosphaericus (Andersson et al. 1995), emendation of Ureibacillus thermosphaericus and description of Ureibacillus terrenus sp. nov". International Journal of Systematic and Evolutionary Microbiology. 51 (Pt 2): 447–455. doi:10.1099/00207713-51-2-447. PMID 11321090.
  2. 1 2 3 Gupta, Radhey S.; Patel, Sudip (2020-01-14). "Robust Demarcation of the Family Caryophanaceae (Planococcaceae) and Its Different Genera Including Three Novel Genera Based on Phylogenomics and Highly Specific Molecular Signatures". Frontiers in Microbiology. 10: 2821. doi:10.3389/fmicb.2019.02821. ISSN 1664-302X. PMC 6971209. PMID 32010063.
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