Halococcus hamelinensis

Halococcus hamelinensis
Scientific classification
Domain:	Archaea
Kingdom:	Euryarchaeota
Phylum:	Euryarchaeota
Class:	Halobacteria
Order:	Halobacteriales
Family:	Halococcaceae
Genus:	Halococcus
Species:	H. hamelinensis
Binomial name
	Halococcus hamelinensis; Goh et al. 2006
Synonyms
	Halococcus hamelinii (not validly published) ;

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. 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. The uvrA, uvrB and uvrC genes are upregulated upon UVC irradiation.

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