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Expression analysis of Gordonia sp. KTR9 and Gordonia sp. KTR9 mutant GlnR upon exposure to high and low Nitrogen conditions

ABSTRACT: Investigation of gene expression level changes in Gordonia sp. KTR9 and Gordonia sp. KTR9 mutant GlnR upon exposure to high and low nitrogen conditions The Gordonia sp. KTR9 strain used in this study has been previously described by Thompson KT, Crocker FH, Fredrickson HL.2005. Mineralization of the cyclic nitramine explosive hexahydro-1,3,5-trinitro-1,3,5-triazine by Gordonia and Williamsia spp. Appl Environ Microbiol. 2005 Dec;71(12):8265-72.

ORGANISM(S): Gordonia sp. KTR9

PROVIDER: GSE42341 | GEO | 2013/02/06

SECONDARY ACCESSION(S): PRJNA181113

REPOSITORIES: GEO

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Expression analysis of Gordonia sp. KTR9 and Gordonia sp. KTR9 mutant GlnR upon exposure to high and low Nitrogen conditions

Project description:Investigation of gene expression level changes in Gordonia sp. KTR9 and Gordonia sp. KTR9 mutant GlnR upon exposure to high and low nitrogen conditions The Gordonia sp. KTR9 strain used in this study has been previously described by Thompson KT, Crocker FH, Fredrickson HL.2005. Mineralization of the cyclic nitramine explosive hexahydro-1,3,5-trinitro-1,3,5-triazine by Gordonia and Williamsia spp. Appl Environ Microbiol. 2005 Dec;71(12):8265-72. A 12 x 135K array study using total RNA recovered from triplicate cultures of KTR9 exposed to high nitrogen conditions, triplicate cultures of KTR9 exposed to low nitrogen conditions, triplicate cultures of KTR9 mutant GlnR exposed to high nitrogen conditions, triplicate cultures of KTR9 mutant GlnR exposed to low nitrogen conditions.

2013-02-06 | E-GEOD-42341 | biostudies-arrayexpress

Expression analysis of Gordonia sp. KTR9 upon exposure to RDX and Nitrogen limitation

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Expression analysis of Gordonia sp. KTR9 upon exposure to RDX and Nitrogen limitation

Project description:Investigation of gene expression level changes in Gordonia sp. KTR9 upon exposure to RDX and Nitrogen Limitation, compared to controls with no RDX. The Gordonia sp. KTR9 strain used in this study has been previously described by Thompson KT, Crocker FH, Fredrickson HL.2005. Mineralization of the cyclic nitramine explosive hexahydro-1,3,5-trinitro-1,3,5-triazine by Gordonia and Williamsia spp. Appl Environ Microbiol. 2005 Dec;71(12):8265-72. A 12 x 135K array study using total RNA recovered from triplicate cultures of KTR9 exposed to RDX, triplicate cultures of KTR9 exposed to RDX and high nitrogen conditions, triplicate cultures of KTR9 exposed to low nitrogen, and triplicate cultures of controls exposed to high nitrogen.

2013-02-06 | E-GEOD-42340 | biostudies-arrayexpress

Gordonia sp. KTR9

Project description:Expression analysis of Gordonia sp. KTR9 and Gordonia sp. KTR9 mutant GlnR upon exposure to high and low Nitrogen conditions

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Gordonia sp. KTR9

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Project description:To further explore potential molecular mechanisms and pathways by which the presence or absence of the pGKT2 plasmid may be affecting the overall fitness cost in the native Gordonia sp KTR9 strain, transcriptome studies were performed. Transcriptome experiments comparing KTR9 wild-type and mutant strains grown in rich media confirmed the loss of the pGKT2 plasmid and also indicated the loss of the 90 kb pGKT1 plasmid.

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Mycobacterium smegmatis - Comparison of glnR deletion strain MH1 under nitrogen surplus and starvation

Project description:In this approach, changes in total transcript of a glnR deletion strain of Mycobacterium smegmatis due to nitrogen starvation were monitored. This is a control experiment for the comparison of wild type and glnR deletion strain resulting in putative nitrogen-related genes which are not controlled by GlnR.

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Dual regulation of nitrogen metabolism by CodY and GlnR in Streptococcus mutans

Project description:CodY and GlnR are two major transcriptional regulators in nitrogen metabolism in Gram-positive bacteria. CodY regulates genes involved in the adaptive response to poor growth conditions, especially to nutrient limitation. GlnR controls nitrogen utilization according to the availability of nitrogen source. In this study we used microarray to investigate the regulatory roles that CodY and GlnR play in nitrogen metabolism in Streptococcus mutans.

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