Halococcus hamelinensis is a halophilic archaeon isolated from the stromatolites in Australia. These living stromatolites are exposed to extreme conditions of salinity, desiccation and UV radiation.[3] H. hamelinensis is able to survive high UVC radiation doses due to the presence of the bacteria-like nucleotide excision repair genes uvrA, uvrB and uvrC (that encode the UvrABC endonuclease) as well as the photolyase phr2 gene.[3] The uvrA, uvrB and uvrC genes are upregulated upon UVC irradiation.[3]
| Halococcus hamelinensis | |
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| Species: | H. hamelinensis
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| Halococcus hamelinensis Goh et al. 2006[1]
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References
edit- ^ "LPSN - List of Prokaryotic names with Standing in Nomenclature". Deutsche Sammlung von Mikroorganismen und Zellkulturen. Retrieved 2022-07-12.
- ^ Goh, Falicia; Young, Jaeo Jeon; Barrow, Kevin; Neilan, Brett A.; Burns, Brendan P. (2005). "Osmoadaptation of microorganisms from stromatolites". International Symposium on Extremophiles and Their Applications. pp. 203–207.
- ^ a b c Leuko S, Neilan BA, Burns BP, Walter MR, Rothschild LJ. Molecular assessment of UVC radiation-induced DNA damage repair in the stromatolitic halophilic archaeon, Halococcus hamelinensis. J Photochem Photobiol B. 2011 Feb 7;102(2):140-5. doi: 10.1016/j.jphotobiol.2010.10.002. Epub 2010 Oct 23. PMID 21074452
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