Indirect Interspecies Regulation: Transcriptional and Physiological Responses of a Cyanobacterium to Heterotrophic Partnership

Author:

Bernstein Hans C.12ORCID,McClure Ryan S.1,Thiel Vera3,Sadler Natalie C.1,Kim Young-Mo1,Chrisler William B.14,Hill Eric A.1,Bryant Donald A.35ORCID,Romine Margaret F.1,Jansson Janet K.1,Fredrickson Jim K.1,Beliaev Alexander S.1

Affiliation:

1. Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington, USA

2. The Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington, USA

3. Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania, USA

4. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington, USA

5. Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA

Abstract

This study elucidates how a cyanobacterial primary producer acclimates to heterotrophic partnership by modulating the expression levels of key metabolic genes. Heterotrophic bacteria can indirectly regulate the physiology of the photoautotrophic primary producers, resulting in physiological changes identified here, such as increased intracellular ROS. Some of the interactions inferred from this model system represent putative principles of metabolic coupling in phototrophic-heterotrophic partnerships.

Publisher

American Society for Microbiology

Subject

Computer Science Applications,Genetics,Molecular Biology,Modeling and Simulation,Ecology, Evolution, Behavior and Systematics,Biochemistry,Physiology,Microbiology

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