Literature DB >> 11472955

Isolation and regulation of Sinorhizobium meliloti 1021 loci induced by oxygen limitation.

J R Trzebiatowski1, D M Ragatz, F J de Bruijn.   

Abstract

Eleven Sinorhizobium meliloti 1021 loci whose expression was induced under low oxygen concentrations were identified in a collection of 5,000 strains carrying Tn5-1063 (luxAB) transcriptional reporter gene fusions. The 11 Tn5-1063-tagged loci were cloned and characterized. The dependence of the expression of the tagged loci on the FixL/FixJ oxygen-sensing two-component regulatory system was examined. Three of the loci were found to be dependent upon fixL and fixJ for their expression, while one locus showed a partial dependence. The remaining seven loci showed fixL- and fixJ-independent induction of expression in response to oxygen limitation. This suggests that in S. meliloti, additional regulatory system(s) exist that respond either directly or indirectly to oxygen limitation conditions.

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Year:  2001        PMID: 11472955      PMCID: PMC93079          DOI: 10.1128/AEM.67.8.3728-3731.2001

Source DB:  PubMed          Journal:  Appl Environ Microbiol        ISSN: 0099-2240            Impact factor:   4.792


  20 in total

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  6 in total

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Authors:  Zachary R Lunak; K Dale Noel
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2.  FixJ: a major regulator of the oxygen limitation response and late symbiotic functions of Sinorhizobium meliloti.

Authors:  Christine Bobik; Eliane Meilhoc; Jacques Batut
Journal:  J Bacteriol       Date:  2006-07       Impact factor: 3.490

3.  Identification and characterization of a NaCl-responsive genetic locus involved in survival during desiccation in Sinorhizobium meliloti.

Authors:  Jan A C Vriezen; Frans J de Bruijn; Klaus Nüsslein
Journal:  Appl Environ Microbiol       Date:  2013-07-12       Impact factor: 4.792

4.  Conserved modular design of an oxygen sensory/signaling network with species-specific output.

Authors:  Sean Crosson; Patrick T McGrath; Craig Stephens; Harley H McAdams; Lucy Shapiro
Journal:  Proc Natl Acad Sci U S A       Date:  2005-05-23       Impact factor: 11.205

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6.  A quinol oxidase, encoded by cyoABCD, is utilized to adapt to lower O2 concentrations in Rhizobium etli CFN42.

Authors:  Zachary R Lunak; K Dale Noel
Journal:  Microbiology       Date:  2014-11-04       Impact factor: 2.777

  6 in total

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