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Complete genome sequence of Halorhabdus utahensis type strain (AX-2)

Iain Anderson et al. Stand Genomic Sci. .

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.

Keywords: Halobacteriaceae; aerobic; euryarchaeon; free-living; halophile; non-pathogenic.

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Figures

Figure 1
Figure 1
Phylogenetic tree highlighting the position of H. utahensis strain AX-2T with a selection of type strains of the family Halobacteriaceae, inferred from 1,433 aligned 16S rRNA characters [4,5] under the maximum likelihood criterion [6]. The tree was rooted with Natronomonas pharaoensis, the deepest branching member of the family Halobacteriaceae. The branches are scaled in terms of the expected number of substitutions per site. Numbers above branches are support values from 1,000 bootstrap replicates, if larger than 60%. Lineages with type strain genome sequencing projects registered in GOLD [7] are shown in blue, published genomes in bold, e.g. the GEBA organism Halomicrobium mukohataei [8].
Figure 2
Figure 2
Scanning electron micrograph of H. utahensis strain AX-2T
Figure 3
Figure 3
Graphical circular map of the genome. From outside to the center: Genes on forward strand (color by COG categories), Genes on reverse strand (color by COG categories), RNA genes (tRNAs green, rRNAs red, other RNAs black), GC content, GC skew.
See this image and copyright information in PMC

References

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