Metasolibacillus
| Metasolibacillus | |
|---|---|
| Scientific classification Edit this classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Caryophanaceae |
| Genus: | Metasolibacillus Gupta and Patel. 2020 |
| Type species | |
| Metasolibacillus meyeri (Seiler et al. 2013) Gupta & Patel 2020
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| Species | |
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Metasolibacillus is a genus of gram-positive rod-shaped bacteria in the family Caryophanaceae from the order Caryophanales.[1] The type species of this genus is Metasolibacillus meyeri.[2]
Members of Metasolibacillus are previously species belonging to Lysinibacillus and Bacillus. Instead of branching with species from their respective genus, these four species formed a monophyletic branch in various phylogenetic trees constructed based on conserved genome sequences, indicating their phylogenetic relatedness.[1] 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.[3] In 2020, a comparative genomic study emended the family, resulting in the establishment of three new genera, including Metasolibacillus.[1]
The name Metasolibacillus is derived from the Greek adjective meta, translating into "besides" and the Latin term Solibacillus, referring the genus name. Together, Metasolibacillus can be translated as a genus besides Solibacillus.[1]
Biochemical characteristics and molecular signatures
[edit | edit source]Source:[1]
Members of this genus are aerobic, motile and endospore-forming. Metasolibacillus can grow in temperatures ranging from 10 °C to 45 °C but the optimal growth temperature is in the range of 30-37 °C. Studied species are reported to be positive for catalase and Voges–Proskauer tests.
12 conserved signature indels (CSIs) were identified as exclusively present in this genus in the following proteins: DUF456 domain-containing protein, toxic anion resistance protein, undecaprenyldiphosphomuramoylpentapeptide beta-N-acetylglucosaminyltransferase, c-type cytochrome biogenesis protein CcsB, thiol-disulfide oxidoreductase ResA, hypothetical proteins, arginase, preprotein translocase subunit SecY, ATP-binding cassette domain-containing protein, and purine permease.[1] These CSIs were identified through genomic analysis and serve as a reliable molecular means for identifying and distinguishing members of this genus from other genera within the family Caryophanaceae and all other bacteria.
Classification
[edit | edit source]Metasolibacillus, as of 2021, contains one species with a validly published name.[2] This genus was identified as a monophyletic clade and phylogenetically unrelated to other species in the family Caryophanaceae in studies examining the taxonomic relationships within the family.[1]
There are three species that are non-validly published, but are considered to be members of this genus due to shared molecular markers and grouping on phylogenetic trees with the type species.
Phylogeny
[edit | edit source]The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[2] and National Center for Biotechnology Information (NCBI)[4]
| 16S rRNA based LTP_10_2024[5][6][7] | 120 marker proteins based GTDB 09-RS220[8][9][10] | ||||||||||||||||||||||||||||||
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See also
[edit | edit source]References
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