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Volume 25
Issue 16
10.3390/ijms25169123
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

The Impact of the Major Endoribonucleases RNase E and RNase III and of the sRNA StsR on Photosynthesis Gene Expression in Rhodobacter sphaeroides Is Growth-Phase-Dependent

by
Janek Börner
*,
Julian Grützner
,
Florian Gerken
and
Gabriele Klug
*
Institute of Microbiology and Molecular Biology, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2024, 25(16), 9123; https://doi.org/10.3390/ijms25169123 (registering DOI)
Submission received: 26 July 2024 / Revised: 15 August 2024 / Accepted: 19 August 2024 / Published: 22 August 2024
(This article belongs to the Collection Feature Papers in Molecular Microbiology)
Versions Notes

Abstract

Rhodobacter sphaeroides is a facultative phototrophic bacterium that performs aerobic respiration when oxygen is available. Only when oxygen is present at low concentrations or absent are pigment–protein complexes formed, and anoxygenic photosynthesis generates ATP. The regulation of photosynthesis genes in response to oxygen and light has been investigated for decades, with a focus on the regulation of transcription. However, many studies have also revealed the importance of regulated mRNA processing. This study analyzes the phenotypes of wild type and mutant strains and compares global RNA-seq datasets to elucidate the impact of ribonucleases and the small non-coding RNA StsR on photosynthesis gene expression in Rhodobacter. Most importantly, the results demonstrate that, in particular, the role of ribonuclease E in photosynthesis gene expression is strongly dependent on growth phase.
Keywords: riboregulation; ribonucleases; RNase E; RNase III; stationary phase; bacterial photosynthesis; Rhodobacter; pigment synthesis riboregulation; ribonucleases; RNase E; RNase III; stationary phase; bacterial photosynthesis; Rhodobacter; pigment synthesis

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MDPI and ACS Style

Börner, J.; Grützner, J.; Gerken, F.; Klug, G. The Impact of the Major Endoribonucleases RNase E and RNase III and of the sRNA StsR on Photosynthesis Gene Expression in Rhodobacter sphaeroides Is Growth-Phase-Dependent. Int. J. Mol. Sci. 2024, 25, 9123. https://doi.org/10.3390/ijms25169123

AMA Style

Börner J, Grützner J, Gerken F, Klug G. The Impact of the Major Endoribonucleases RNase E and RNase III and of the sRNA StsR on Photosynthesis Gene Expression in Rhodobacter sphaeroides Is Growth-Phase-Dependent. International Journal of Molecular Sciences. 2024; 25(16):9123. https://doi.org/10.3390/ijms25169123

Chicago/Turabian Style

Börner, Janek, Julian Grützner, Florian Gerken, and Gabriele Klug. 2024. "The Impact of the Major Endoribonucleases RNase E and RNase III and of the sRNA StsR on Photosynthesis Gene Expression in Rhodobacter sphaeroides Is Growth-Phase-Dependent" International Journal of Molecular Sciences 25, no. 16: 9123. https://doi.org/10.3390/ijms25169123

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