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Temperature dependent gene expression levels at 28°C and 37°C for Pseudomonas aeruginosa PAO1

ABSTRACT: To further understand the gene expression characteristics of Pseudomonas aeruginosa PAO1, we have applied whole genome microarray expression profiling as a discovery platform to specify the temperature dependent expression of PAO1 genome at soil and human body temperature. We selected 28°C as temperature representative of the soil niche and 37°C for human body. The results from the temperature dependent transcriptome analysis are consistent to our previous published data that the phzM, ptsP and lasI genes expression is upregulated at 37°C [11]. The comparison analysis of the M18 genome expressional profiles at 28°C and 37°C indicated a total of 596 genes expressed in a temperature dependent manner over two fold. Cells were grown to OD600=5.0-6.0 (late exponential phase) in LB medium at 28℃ and 37℃, respectively. Three independent experiments were performed at each time.

ORGANISM(S): Pseudomonas aeruginosa

SUBMITTER: daqiang wu

PROVIDER: E-GEOD-36161 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Temperature dependent gene expression levels at 28°C and 37°C for Pseudomonas aeruginosa PAO1

Project description:To further understand the gene expression characteristics of Pseudomonas aeruginosa PAO1, we have applied whole genome microarray expression profiling as a discovery platform to specify the temperature dependent expression of PAO1 genome at soil and human body temperature. We selected 28°C as temperature representative of the soil niche and 37°C for human body. The results from the temperature dependent transcriptome analysis are consistent to our previous published data that the phzM, ptsP and lasI genes expression is upregulated at 37°C [11]. The comparison analysis of the M18 genome expressional profiles at 28°C and 37°C indicated a total of 596 genes expressed in a temperature dependent manner over two fold.

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