Emergence of Metabolite Provisioning as a By-Product of Evolved Biological Functions

Author:

Gude Sebastian1,Pherribo Gordon J.1,Taga Michiko E.1

Affiliation:

1. Department of Plant and Microbial Biology, University of California, Berkeley, Berkeley, California, USA

Abstract

Microbes commonly use metabolites produced by other organisms to compete effectively with others in their environment. As a result, microbial communities are composed of networks of metabolically interdependent organisms. How these networks evolve and shape population diversity, stability, and community function is a subject of active research. But how did these metabolic interactions develop initially? In particular, how and why are metabolites such as amino acids, cofactors, and nucleobases released for the benefit of others when there apparently is no incentive to do so? Here, we discuss the hypothesis that metabolite provisioning is not itself adaptive but rather can be a natural consequence of other evolved biological functions.

Funder

HHS | National Institutes of Health

National Science Foundation

Publisher

American Society for Microbiology

Subject

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

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