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Transcriptomics of Bacillus amyloliquefaciens SQR9 to maize root exudates

ABSTRACT: Root exudates play an important role in plant-microbe interaction. The transcriptional profilings of plant growth-promoting rhizobacteria Bacillus amyloliquefaciens SQR9 in response to maize root exudates under static condition, were investigated by an Illumina RNA-seq for understanding the regulatory roles of the root exudates.

ORGANISM(S): Bacillus amyloliquefaciens

PROVIDER: GSE54987 | GEO | 2014/11/01

SECONDARY ACCESSION(S): PRJNA238210

REPOSITORIES: GEO

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Transcriptomics of Bacillus amyloliquefaciens SQR9 to maize root exudates

Project description:Root exudates play an important role in plant-microbe interaction. The transcriptional profilings of plant growth-promoting rhizobacteria Bacillus amyloliquefaciens SQR9 in response to maize root exudates under static condition, were investigated by an Illumina RNA-seq for understanding the regulatory roles of the root exudates. 4 treatments, including 2 blank control (24 h and 48 h-post inoculation, named as 5 and 15, respectively), and 2 treatments with maize root exudates (24 h and 48 h-post inoculation, named as 7 and 17, respectively)

2014-11-01 | E-GEOD-54987 | biostudies-arrayexpress

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Project description:Bacillus amyloliquefaciens FZB42 is a well-studied Gram-positive plant growth-promoting rhizobacteria. In this work we aim to study the effect of the effect of sigD deletion on the transcriptome of FZB42. The transcritomes were compared by two-color microarray of the sigD- mutant and the wildtype of B. amyloliquefaciens FZB42 grown in 1C medium supplemented with soil extract (SE) and in 1C medium supplemented with both SE and maize root exudates (RE). This submission includes data from three independent experiments with three biological replicates. Here a biological replicate means the bacterial culture from one flask used for RNA preparation. The samples were collected by two performers. The experiments were varied in sample performer, the date of the experiment.

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Differential gene expression of endosphere and soil Bacillus mycoides isolate in response to root exudates using RNA sequencing

Project description:In general, the endosphere isolate EC18 showed more numbers of genes significantly altered in the presence of root exudates than the soil isolate SB8 . Some of the altered genes in the two strains showed overlap. Some of these genes were previously reported to be involved in microbe-plant interactions, such as organic substance metabolism, oxidation reduction, transmembrane transportation and a subset with putative or unknown function. It was also found some genes showed opposite trend among the two strains.

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Project description:In our previous work, we found that the root exudates of sgn3 myb36 promoted the colonization of CHA0 on roots. Through LC-MS, we identified a large amount of glutamine (Gln) in the root exudates of sgn3 myb36. Therefore, we aim to use RNA-seq to uncover whether the root exudates of sgn3 myb36 and Gln have the same regulatory effects on CHA0. By conducting differential analysis with the CK (CHA0 treated with wild-type root exudates), we hope to identify the specific regulatory mechanisms of sgn3 myb36 and Gln on CHA0.

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Project description:Endophytic colonization is a very complex process which is not yet completely understood. Molecules exuded by the plants may act as signals which influence the ability of the microbe to colonize the host or survive in the rhizosphere. Here we investigated whether root exudates of the host might play a role in initiating the endophyte-rice interaction. The whole genome microarray approach was used to investigate the response of the diazotrophic model endophyte, Azoarcus sp. strain BH72, to exudates of O. sativa cv. Nipponbare in order to identify differentially regulated genes. Azoarcus sp. strain BH72 was grown in the presence or absence of root exudates of Oryza sativa cv. Nipponbare for two different time points, and differences in the gene expression profile were monitored.

2012-11-30 | GSE35187 | GEO

Transcription profiling by array of Bacillus amyloliquefaciens FZB42 wildtype and sigD- mutants grown in media supplemented with soil extract

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2017-06-20 | E-MTAB-4876 | biostudies-arrayexpress

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