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Directional RNA sequencing of mRNA from Sinorhizobium meliloti cells grown with limiting phosphate and with excess phosphate.

ABSTRACT: Analysis of the RNA-seq reads confirmed that transcription of many of the previously identified Pho-regulon genes of Sinorhizobium meliloti was regulated by the availability of inorganic phosphate in the media. The transcriptional start sites of many of the Pho-regulon genes as determined by RNA-seq reads were found to correspond to those determined from primer extension analysis.

ORGANISM(S): Sinorhizobium meliloti

PROVIDER: GSE43558 | GEO | 2013/06/01

SECONDARY ACCESSION(S): PRJNA186705

REPOSITORIES: GEO

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Directional RNA sequencing of mRNA from Sinorhizobium meliloti cells grown with limiting phosphate and with excess phosphate.

Project description:Analysis of the RNA-seq reads confirmed that transcription of many of the previously identified Pho-regulon genes of Sinorhizobium meliloti was regulated by the availability of inorganic phosphate in the media. The transcriptional start sites of many of the Pho-regulon genes as determined by RNA-seq reads were found to correspond to those determined from primer extension analysis. mRNA from S. meliloti RmP110 grown in MOPS + 2 mM Pi and MOPS + 20 M-BM-5M Pi M-bM-^@M-^S directional RNA-seq via Illumina sequencing

2013-06-01 | E-GEOD-43558 | biostudies-arrayexpress

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Project description:This SuperSeries is composed of the following subset Series: GSE21735: Sinorhizobium meliloti cells: untreated 1021 strain vs. 1021 treated with 2,4-dichlorophenoxyacetic acid (2,4-D) GSE21737: Sinorhizobium meliloti cells: untreated 1021 strain vs. 1021 treated with indole-3-acetic acid (IAA) GSE21740: Sinorhizobium meliloti cells: untreated 1021 strain vs. 1021 treated with indole-3-carboxylic acid (ICA) GSE21742: Sinorhizobium meliloti cells: untreated 1021 strain vs. 1021 treated with indole (IND) GSE21743: Sinorhizobium meliloti cells: untreated 1021 strain vs. 1021 treated with tryptophan (Trp) GSE21744: Sinorhizobium meliloti cells: untreated 1021 wild type strain vs. RD64 strain Refer to individual Series

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Project description:The Sinorhizobium meliloti rpoE4 regulon was determined by comparing the wildtype and rpoE4 mutant transcriptomes in the presence of 20mM sodium thiosulfate, an RpoE4 activating condition.

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Project description:The Alphaproteobacterium Sinorhizobium meliloti lives in soil and is capable of fixing molecular nitrogen in symbiosis with legume plants. In this work, the small proteome of S. meliloti strain 2011 was studied to uncover translation of both annotated and novel small open reading frame (sORF)-encoded proteins (SEPs).

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Project description:Sinorhizobium meliloti lives as a soil saprophyte, and engages in a nitrogen fixing symbiosis with plant roots. To succeed in such diverse environments, the bacteria must continually adjust gene expression. Transcriptional plasticity in eubacteria is often mediated by alternative sigma factors interacting with core RNA polymerase. The S. meliloti genome encodes 14 of these alternative sigmas, including 11 extracytoplasmic function (ECF) sigmas. We used custom Affymetrix Symbiosis Chips to characterize the global transcriptional response of S. meliloti overexpressing the ECF sigma factor, RpoE2. Our work identifies over 200 genes whose expression is dependent on RpoE2.

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