This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrowReprints and Permissions
Right arrow Copyright Information
Right arrow Books from ASM Press
Right arrow MicrobeWorld
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Cheng, J.
Right arrow Articles by Nordlund, S.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Cheng, J.
Right arrow Articles by Nordlund, S.

 Previous Article  |  Next Article 

Journal of Bacteriology, October 1999, p. 6530-6534, Vol. 181, No. 20
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

Expression of PII and Glutamine Synthetase Is Regulated by PII, the ntrBC Products, and Processing of the glnBA mRNA in Rhodospirillum rubrum

Jiujun Cheng,dagger Magnus Johansson,Dagger and Stefan Nordlund*

Department of Biochemistry, Arrhenius Laboratories for Natural Sciences, Stockholm University, S-106 91 Stockholm, Sweden

Received 9 March 1999/Accepted 27 July 1999

We have studied the transcription of the glnB and glnA genes in Rhodospirillum rubrum with firefly luciferase as a reporter enzyme. Under NH4+ and N2 conditions, glnBA was cotranscribed from a weak and a strong promoter. In nitrogen-fixing cultures, activity of the latter was highly enhanced by NtrC, but transcription from both promoters occurred under both conditions. There is no promoter controlling transcription of glnA alone, supporting our proposal that the glnA mRNA is produced by processing.

* Corresponding author. Mailing address: Department of Biochemistry, Arrhenius Laboratories for Natural Sciences, Stockholm University, S-106 91 Stockholm, Sweden. Phone: 46 8 162932. Fax: 46 8 157794. E-mail: stefan{at}biokemi.su.se.

dagger Present address: Department of Biochemistry, University of Wisconsin, Madison, WI 53706.

Dagger Present address: Department of Biochemistry and Molecular Biology, James Cook University, Townsville, QLD 4811, Australia.

Journal of Bacteriology, October 1999, p. 6530-6534, Vol. 181, No. 20
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

  • Zou, X., Zhu, Y., Pohlmann, E. L., Li, J., Zhang, Y., Roberts, G. P. (2008). Identification and functional characterization of NifA variants that are independent of GlnB activation in the photosynthetic bacterium Rhodospirillum rubrum. Microbiology 154: 2689-2699 [Abstract] [Full Text]  
  • Zhang, Y., Pohlmann, E. L., Roberts, G. P. (2005). GlnD Is Essential for NifA Activation, NtrB/NtrC-Regulated Gene Expression, and Posttranslational Regulation of Nitrogenase Activity in the Photosynthetic, Nitrogen-Fixing Bacterium Rhodospirillum rubrum. J. Bacteriol. 187: 1254-1265 [Abstract] [Full Text]  
  • Arcondeguy, T., Jack, R., Merrick, M. (2001). PII Signal Transduction Proteins, Pivotal Players in Microbial Nitrogen Control. Microbiol. Mol. Biol. Rev. 65: 80-105 [Abstract] [Full Text]  


Copyright © 2009 by the American Society for Microbiology.   For an alternate route to Journals.ASM.org, visit: http://intl-journals.asm.org | More Info»