The Genome of Deep-Sea Vent Chemolithoautotroph Thiomicrospiracrunogena XCL-2

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Presented here is the complete genome sequence ofThiomicrospira crunogena XCL-2, representative of ubiquitouschemolithoautotrophic sulfur-oxidizing bacteria isolated from deep-seahydrothermal vents. This gammaproteobacterium has a single chromosome(2,427,734 bp), and its genome illustrates many of the adaptations thathave enabled it to thrive at vents globally. It has 14 methyl-acceptingchemotaxis protein genes, including four that may assist in positioningit in the redoxcline. A relative abundance of CDSs encoding regulatoryproteins likely control the expression of genes encoding carboxysomes,multiple dissolved inorganic nitrogen and phosphate transporters, as wellas a phosphonate operon, which provide this species with a variety ofoptions for acquiring these substrates from the environment. T. ... continued below

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Scott, Kathleen M.; Sievert, Stefan M.; Abril, Fereniki N.; Ball,Lois A.; Barrett, Chantell J.; Blake, Rodrigo A. et al. August 23, 2006.

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Presented here is the complete genome sequence ofThiomicrospira crunogena XCL-2, representative of ubiquitouschemolithoautotrophic sulfur-oxidizing bacteria isolated from deep-seahydrothermal vents. This gammaproteobacterium has a single chromosome(2,427,734 bp), and its genome illustrates many of the adaptations thathave enabled it to thrive at vents globally. It has 14 methyl-acceptingchemotaxis protein genes, including four that may assist in positioningit in the redoxcline. A relative abundance of CDSs encoding regulatoryproteins likely control the expression of genes encoding carboxysomes,multiple dissolved inorganic nitrogen and phosphate transporters, as wellas a phosphonate operon, which provide this species with a variety ofoptions for acquiring these substrates from the environment. T. crunogenaXCL-2 is unusual among obligate sulfur oxidizing bacteria in relying onthe Sox system for the oxidation of reduced sulfur compounds. A 38 kbprophage is present, and a high level of prophage induction was observed,which may play a role in keeping competing populations of close relativesin check. The genome has characteristics consistent with an obligatelychemolithoautotrophic lifestyle, including few transporters predicted tohave organic allocrits, and Calvin-Benson-Bassham cycle CDSs scatteredthroughout the genome.

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  • Journal Name: PLOS Biology; Journal Volume: 4; Journal Issue: 12; Related Information: Journal Publication Date: November 14,2006

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  • Report No.: LBNL--60318
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1371/journal.pbio.0040383 | External Link
  • Office of Scientific & Technical Information Report Number: 901506
  • Archival Resource Key: ark:/67531/metadc887953

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  • August 23, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 29, 2016, 2:46 p.m.

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Scott, Kathleen M.; Sievert, Stefan M.; Abril, Fereniki N.; Ball,Lois A.; Barrett, Chantell J.; Blake, Rodrigo A. et al. The Genome of Deep-Sea Vent Chemolithoautotroph Thiomicrospiracrunogena XCL-2, article, August 23, 2006; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc887953/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.