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Transcriptomic data sets examining several stress responses in Zymomonas mobilis strains
Isabel Askenasy1,2, Kevin S Myers1,3, Patricia J Kiley1,2
1DOE Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Microbiology Resource Announcements
|February 25, 2026
Summary
This study used RNA-sequencing to analyze gene expression in Zymomonas mobilis ZM4 under various stress conditions and in mutant strains. The data reveals how Zymomonas mobilis responds to oxidative stress and iron limitation.
Area of Science:
- Microbiology
- Genomics
- Biochemistry
Background:
- Zymomonas mobilis is a bacterium with significant industrial applications.
- Understanding its gene expression under stress is crucial for optimizing its use.
Purpose of the Study:
- To investigate the transcriptomic response of Zymomonas mobilis ZM4 to oxidative stress (paraquat, hydrogen peroxide) and iron limitation.
- To analyze the impact of specific transcription factor mutations (ZMO_0442, ZMO_1411) on gene expression.
Main Methods:
- RNA-sequencing (RNA-seq) was employed to compare gene expression profiles.
- Experiments were conducted under aerobic and anaerobic conditions with various chemical treatments.
Main Results:
- Differential gene expression patterns were observed under different stress conditions.
- Mutations in transcription factors ZMO_0442 and ZMO_1411 significantly altered the transcriptomic landscape.
Conclusions:
- The study provides valuable RNA-seq data for Zymomonas mobilis under stress.
- This data can inform future metabolic engineering efforts for improved Zymomonas mobilis strains.
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