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Haloarculaceae is a family of halophilic and mostly chemoorganotrophic archaea within the order Halobacteriales. The type genus of this family is Haloarcula. Its biochemical characteristics are the same as the order Halobacteriales.

The name Haloarculaceae is derived from the Latin term Haloarcula, referring to the type genus of the family and the suffix "-ceae," an ending used to denote a family. Together, Haloarculaceae refers to a family whose nomenclatural type is the genus Haloarcula.

Current Taxonomy and Molecular Signatures

As of 2021, Haloarculaceae contains 10 validly published genera. This family can be molecularly distinguished from other Halobacteria by the presence of 19 conserved signature proteins (CSPs) and seven conserved signature indels (CSIs) present in the following proteins: acetylglutamate kinase, ribonuclease R, metallo-beta-lactamase, tRNA modifying enzyme, carbamoyl phosphate synthase large subunit and hypothetical proteins.

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).

Note: * paraphyletic Halobacteriaceae

See also

• List of Archaea genera

References

1. ^ Gupta, Radhey S.; Naushad, Sohail; Fabros, Reena; Adeolu, Mobolaji (2016-02-02). "A phylogenomic reappraisal of family-level divisions within the class Halobacteria: proposal to divide the order Halobacteriales into the families Halobacteriaceae, Haloarculaceae fam. nov., and Halococcaceae fam. nov., and the order Haloferacales into the families, Haloferacaceae and Halorubraceae fam nov". Antonie van Leeuwenhoek. 109 (4): 565–587. doi:10.1007/s10482-016-0660-2. ISSN 0003-6072. PMID 26837779. S2CID 254231068.
2. Grant, William D.; Kamekura, Masahiro; McGenity, Terry J.; Ventosa, Antonio (2015-09-14). "Halobacteria class. nov". Bergey's Manual of Systematics of Archaea and Bacteria: 1. doi:10.1002/9781118960608.cbm00026. ISBN 9781118960608.
3. Oren, Aharon (2012-02-01). "Taxonomy of the family Halobacteriaceae: a paradigm for changing concepts in prokaryote systematics". International Journal of Systematic and Evolutionary Microbiology. 62 (2): 263–271. doi:10.1099/ijs.0.038653-0. ISSN 1466-5026. PMID 22155757.
4. ^ J.P. Euzéby. "Haloarculaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2023-08-15.
5. Sayers; et al. "Haloarculaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2023-08-15.
6. "The LTP". Retrieved 10 May 2023.
7. "LTP_all tree in newick format". Retrieved 10 May 2023.
8. "LTP_06_2022 Release Notes" (PDF). Retrieved 10 May 2023.
9. "GTDB release 08-RS214". Genome Taxonomy Database. Retrieved 10 May 2023.
10. "ar53_r214.sp_label". Genome Taxonomy Database. Retrieved 10 May 2023.
11. "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2023.

• Halobacteria