Transcriptome Analysis of the Role of GlnD/GlnBK in Nitrogen Stress Adaptation by Sinorhizobium meliloti Rm1021
Abstract
Transcriptional changes in the nitrogen stress response (NSR) of wild type S. meliloti Rm1021, and isogenic strains missing both PII proteins, GlnB and GlnK, or carrying a ΔglnD-sm2 mutation were analyzed using whole-genome microarrays. This approach allowed us to identify a number of new genes involved in the NSR and showed that the response of these bacteria to nitrogen stress overlaps with other stress responses, including induction of the fixK2 transcriptional activator and genes that are part of the phosphate stress response. Our data also show that GlnD and GlnBK proteins may regulate many genes that are not part of the NSR. Analysis of transcriptome profiles of the Rm1021 ΔglnD-sm2 strain allowed us to identify several genes that appear to be regulated by GlnD without the participation of the PII proteins.
- Authors:
-
- Washington State University, Pullman, WA (United States)
- Publication Date:
- Research Org.:
- Washington State Univ., Pullman, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1904863
- Grant/Contract Number:
- FG03-96ER20225
- Resource Type:
- Accepted Manuscript
- Journal Name:
- PLoS ONE
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 3; Journal ID: ISSN 1932-6203
- Publisher:
- Public Library of Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; gene expression; gene regulation; phosphates; nitrogen metabolism; glutamate; microarrays; regulator genes; symbiosis
Citation Formats
Yurgel, Svetlana N., Rice, Jennifer, and Kahn, Michael L. Transcriptome Analysis of the Role of GlnD/GlnBK in Nitrogen Stress Adaptation by Sinorhizobium meliloti Rm1021. United States: N. p., 2013.
Web. doi:10.1371/journal.pone.0058028.
Yurgel, Svetlana N., Rice, Jennifer, & Kahn, Michael L. Transcriptome Analysis of the Role of GlnD/GlnBK in Nitrogen Stress Adaptation by Sinorhizobium meliloti Rm1021. United States. https://doi.org/10.1371/journal.pone.0058028
Yurgel, Svetlana N., Rice, Jennifer, and Kahn, Michael L. Wed .
"Transcriptome Analysis of the Role of GlnD/GlnBK in Nitrogen Stress Adaptation by Sinorhizobium meliloti Rm1021". United States. https://doi.org/10.1371/journal.pone.0058028. https://www.osti.gov/servlets/purl/1904863.
@article{osti_1904863,
title = {Transcriptome Analysis of the Role of GlnD/GlnBK in Nitrogen Stress Adaptation by Sinorhizobium meliloti Rm1021},
author = {Yurgel, Svetlana N. and Rice, Jennifer and Kahn, Michael L.},
abstractNote = {Transcriptional changes in the nitrogen stress response (NSR) of wild type S. meliloti Rm1021, and isogenic strains missing both PII proteins, GlnB and GlnK, or carrying a ΔglnD-sm2 mutation were analyzed using whole-genome microarrays. This approach allowed us to identify a number of new genes involved in the NSR and showed that the response of these bacteria to nitrogen stress overlaps with other stress responses, including induction of the fixK2 transcriptional activator and genes that are part of the phosphate stress response. Our data also show that GlnD and GlnBK proteins may regulate many genes that are not part of the NSR. Analysis of transcriptome profiles of the Rm1021 ΔglnD-sm2 strain allowed us to identify several genes that appear to be regulated by GlnD without the participation of the PII proteins.},
doi = {10.1371/journal.pone.0058028},
journal = {PLoS ONE},
number = 3,
volume = 8,
place = {United States},
year = {Wed Mar 13 00:00:00 EDT 2013},
month = {Wed Mar 13 00:00:00 EDT 2013}
}
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