Project description:Dna microarray technology was used to survey changes in gene expression in R. etli CFN42 in biofilm formation In these organisms, two main phases, biofilm and planktonic, have been identified. In this work, using microarray assays, we evaluated global gene expression in biofilm and planktonic growth phases in rich medium, in the bacterium Rhizobium etli CFN42.

2016-04-15 | GSE67656 | GEO

Characterization of the NifA-RpoN Regulon in Rhizobium etli CFN42 in symbiosis using whole genome transcript analysis

Project description:The NifA-RpoN complex is a master regulator of the nitrogen fixation genes in alpha-proteobacteria. Based on the complete Rhizobium etli genome sequence, we constructed the R. etli CFN42 oligonucleotide (70 mer) microarray, and utilized this tool to survey changes in gene expression in R. etli CFN42 wild type compared with NifA CFNX247 mutant strain in symbiosis with Phaseolus vulgaris. As expected, the genes associated with a NifA and RpoN binding sites were downregulated in the NifA mutant strain.

2010-05-15 | GSE20638 | GEO

sRNAs in Rhizobium etli differentially expressed during free-living and host-associated growth

Project description:89 small non-coding RNAs (ncRNAs) were identified in the soil-dwelling alpha-proteobacterium Rhizobium etli by comparing an extensive compilation of ncRNA predictions to intergenic expression data of a whole-genome tiling array. The differential expression levels of some of these ncRNAs during free-living growth and during interaction with the eukaryotic host plant may indicate a role in adaptation to changing environmental conditions.

2009-11-17 | GSE18580 | GEO

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