| pubmed-article:19542325 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C0445750 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C1028266 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C0017337 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C0038774 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C0039950 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C1418706 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C0449943 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C1158280 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C1546857 | lld:lifeskim |
| pubmed-article:19542325 | lifeskim:mentions | umls-concept:C1334043 | lld:lifeskim |
| pubmed-article:19542325 | pubmed:issue | 16 | lld:pubmed |
| pubmed-article:19542325 | pubmed:dateCreated | 2009-8-5 | lld:pubmed |
| pubmed-article:19542325 | pubmed:abstractText | Shewanella oneidensis MR-1, a facultatively anaerobic gammaproteobacterium, respires a variety of anaerobic terminal electron acceptors, including the inorganic sulfur compounds sulfite (SO3(2-)), thiosulfate (S2O3(2-)), tetrathionate (S4O6(2-)), and elemental sulfur (S(0)). The molecular mechanism of anaerobic respiration of inorganic sulfur compounds by S. oneidensis, however, is poorly understood. In the present study, we identified a three-gene cluster in the S. oneidensis genome whose translated products displayed 59 to 73% amino acid similarity to the products of phsABC, a gene cluster required for S(0) and S2O3(2-) respiration by Salmonella enterica serovar Typhimurium LT2. Homologs of phsA (annotated as psrA) were identified in the genomes of Shewanella strains that reduce S(0) and S2O3(2-) yet were missing from the genomes of Shewanella strains unable to reduce these electron acceptors. A new suicide vector was constructed and used to generate a markerless, in-frame deletion of psrA, the gene encoding the putative thiosulfate reductase. The psrA deletion mutant (PSRA1) retained expression of downstream genes psrB and psrC but was unable to respire S(0) or S2O3(2-) as the terminal electron acceptor. Based on these results, we postulate that PsrA functions as the main subunit of the S. oneidensis S2O3(2-) terminal reductase whose end products (sulfide [HS-] or SO3(2-)) participate in an intraspecies sulfur cycle that drives S(0) respiration. | lld:pubmed |
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| pubmed-article:19542325 | pubmed:language | eng | lld:pubmed |
| pubmed-article:19542325 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:19542325 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:19542325 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:19542325 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:19542325 | pubmed:issn | 1098-5336 | lld:pubmed |
| pubmed-article:19542325 | pubmed:author | pubmed-author:DiChristinaTh... | lld:pubmed |
| pubmed-article:19542325 | pubmed:author | pubmed-author:BurnsJustin... | lld:pubmed |
| pubmed-article:19542325 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:19542325 | pubmed:volume | 75 | lld:pubmed |
| pubmed-article:19542325 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:19542325 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:19542325 | pubmed:pagination | 5209-17 | lld:pubmed |
| pubmed-article:19542325 | pubmed:dateRevised | 2010-9-27 | lld:pubmed |
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| pubmed-article:19542325 | pubmed:meshHeading | pubmed-meshheading:19542325... | lld:pubmed |
| pubmed-article:19542325 | pubmed:year | 2009 | lld:pubmed |
| pubmed-article:19542325 | pubmed:articleTitle | Anaerobic respiration of elemental sulfur and thiosulfate by Shewanella oneidensis MR-1 requires psrA, a homolog of the phsA gene of Salmonella enterica serovar typhimurium LT2. | lld:pubmed |
| pubmed-article:19542325 | pubmed:affiliation | School of Biology, Georgia Institute of Technology, Atlanta, GA 30332-0230, USA. | lld:pubmed |
| pubmed-article:19542325 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:19542325 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| http://linkedlifedata.com/r... | entrezgene:pubmed | pubmed-article:19542325 | lld:entrezgene |
