Abstract
Halorhabdus utahensis Wainø et al. 2000 is the type species of the genus, which is of phylogenetic interest because of its location on one of the deepest branches within the very extensive euryarchaeal family Halobacteriaceae. H. utahensis is a free-living, motile, rod shaped to pleomorphic, Gram-negative archaeon, which was originally isolated from a sediment sample collected from the southern arm of Great Salt Lake, Utah, USA. When grown on appropriate media, H. utahensis can form polyhydroxybutyrate (PHB). Here we describe the features of this organism, together with the complete genome sequence, and annotation. This is the first complete genome sequence of the a member of halobacterial genus Halorhabdus, and the 3,116,795 bp long single replicon genome with its 3027 protein-coding and 48 RNA genes is part of the Genomic Encyclopedia of Bacteria and Archaea project.
Highlights
Strain AX-2T (= DSM 12940 = JCM 11049) is the type strain of the species Halorhabdus utahensis, and represents one of only two species currently assigned to the genus Halorhabdus [1]
Classification and features Only one other 16S rRNA encoding sequence has been deposited in the INSDC databases with a similarity of greater than 97% to that of strain AX2T
That sequence belongs to the other species classified in the genus Halorhabdus, H. tiamatea, which was isolated from a sample of the brinesediment interface of the Shaban Deep in the
Summary
Screening of environmental genomic samples and surveys reported at the NCBI BLAST server indicated no closely related phylotypes (>91% sequence similarity) can be linked to the species or genus. H. utahensis strain AX-2T is rod shaped, but may form pleomorphic cells (Table 1 and Figure 2). Cells may grow anaerobically on glucose by fermentation.
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