Haloarculaceae
| Haloarculaceae | |
|---|---|
Scientific classification 
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| Domain: | Archaea |
| Kingdom: | Methanobacteriati |
| Phylum: | Methanobacteriota |
| Class: | Halobacteria |
| Order: | Halobacteriales |
| Family: | Haloarculaceae Gupta et al. 2016[1] |
| Genera[1] | |
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Haloarculaceae is a family of halophilic and mostly chemoorganotrophic archaea within the order Halobacteriales.[2][3][4] The type genus of this family is Haloarcula.[1] 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.[1] 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.[2]
Specific genera
Halocatena
Halocatena is a genus in this family. One of the species, Halocatena halophila (=Actinoarchaeum halophilum), is known for displaying "hyphae and spores" structure akin to the Actinomycetales.[5] The operon responsible for such structural differentation appears to be homologous to the Streptomycetes one and can compensate for the deletion of the bacterial version.[6]
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[1] and National Center for Biotechnology Information (NCBI).[7]
| 16S rRNA based LTP_10_2024[8][9][10] | 53 marker proteins based GTDB 10-RS226[11][12][13] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Note: * polyphyletic Halobacteriaceae
See also
References
- ^ a b c d e A.C. Parte; et al. "Haloarculaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2026-02-14.
- ^ a b 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.
- ^ 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 978-1-118-96060-8.
- ^ 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.
- ^ Zhu, LR; Mao, YL; Hu, Y; Sun, YP; Hou, J; Cui, HL (May 2025). "Genome-based taxonomy of the family Haloarculaceae, proposal of Natronomonadaceae fam. nov., and description of four novel halophilic archaea from two saline lakes and a marine solar saltern". Systematic and applied microbiology. 48 (3) 126592. doi:10.1016/j.syapm.2025.126592. PMID 40036997.
- ^ Tang, Shu-Kun; Zhi, Xiao-Yang; Zhang, Yao; Makarova, Kira S.; Liu, Bing-Bing; Zheng, Guo-Song; Zhang, Zhen-Peng; Zheng, Hua-Jun; Wolf, Yuri I.; Zhao, Yu-Rong; Jiang, Song-Hao; Chen, Xi-Ming; Li, En-Yuan; Zhang, Tao; Chen, Pei-Ru; Feng, Yu-Zhou; Xiang, Ming-Xian; Lin, Zhi-Qian; Shi, Jia-Hui; Chang, Cheng; Zhang, Xue; Li, Rui; Lou, Kai; Wang, Yun; Chang, Lei; Yin, Min; Yang, Ling-Ling; Gao, Hui-Ying; Zhang, Zhong-Kai; Tao, Tian-Shen; Guan, Tong-Wei; He, Fu-Chu; Lu, Yin-Hua; Cui, Heng-Lin; Koonin, Eugene V.; Zhao, Guo-Ping; Xu, Ping (1 April 2023). "Cellular differentiation into hyphae and spores in halophilic archaea". Nature Communications. 14 (1). doi:10.1038/s41467-023-37389-w.
- ^ C.L. Schoch; et al. "Haloarculaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2025-02-28.
- ^ "The LTP". Retrieved 10 December 2024.
- ^ "LTP_all tree in newick format". Retrieved 10 December 2024.
- ^ "LTP_10_2024 Release Notes" (PDF). Retrieved 10 December 2024.
- ^ "GTDB release 10-RS226". Genome Taxonomy Database. Retrieved 1 May 2025.
- ^ "ar53_r226.sp_label". Genome Taxonomy Database. Retrieved 1 May 2025.
- ^ "Taxon History". Genome Taxonomy Database. Retrieved 1 May 2025.