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Diversity of Haloquadratum and other haloarchaea in three, geographically distant, Australian saltern crystallizer ponds.


ABSTRACT: Haloquadratum walsbyi is frequently a dominant member of the microbial communities in hypersaline waters. 16S rRNA gene sequences indicate that divergence within this species is very low but relatively few sites have been examined, particularly in the southern hemisphere. The diversity of Haloquadratum was examined in three coastal, but geographically distant saltern crystallizer ponds in Australia, using both culture-independent and culture-dependent methods. Two 97%-OTU, comprising Haloquadratum- and Halorubrum-related sequences, were shared by all three sites, with the former OTU representing about 40% of the sequences recovered at each site. Sequences 99.5% identical to that of Hqr. walsbyi C23(T) were present at all three sites and, overall, 98% of the Haloquadratum-related sequences displayed

SUBMITTER: Oh D 

PROVIDER: S-EPMC2832888 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Diversity of Haloquadratum and other haloarchaea in three, geographically distant, Australian saltern crystallizer ponds.

Oh Dickson D   Porter Kate K   Russ Brendan B   Burns David D   Dyall-Smith Mike M  

Extremophiles : life under extreme conditions 20091220 2


Haloquadratum walsbyi is frequently a dominant member of the microbial communities in hypersaline waters. 16S rRNA gene sequences indicate that divergence within this species is very low but relatively few sites have been examined, particularly in the southern hemisphere. The diversity of Haloquadratum was examined in three coastal, but geographically distant saltern crystallizer ponds in Australia, using both culture-independent and culture-dependent methods. Two 97%-OTU, comprising Haloquadrat  ...[more]

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