Evidence for a genetic basis in functional trait tradeoffs with microbial growth rate but not growth yield

Morrison, Eric W.; Whitney, Shana A.; Geyer, Kevin M.; Sevigny, Joseph L.; Grandy, A. Stuart; Thomas, W. Kelley; DeAngelis, Kristen M.; Frey, Serita D.

doi:10.1016/j.soilbio.2022.108765

Evidence for a genetic basis in functional trait tradeoffs with microbial growth rate but not growth yield

Journal Article · Thu Jun 30 00:00:00 EDT 2022 · Soil Biology and Biochemistry

DOI:https://doi.org/10.1016/j.soilbio.2022.108765· OSTI ID:1977652

^[1]; Whitney, Shana A. ^[2]; Geyer, Kevin M. ^[3]; Sevigny, Joseph L. ^[4]; Grandy, A. Stuart ^[2]; Thomas, W. Kelley ^[4]; DeAngelis, Kristen M. ^[5]; Frey, Serita D. ^[2]

Univ. of New Hampshire, Durham, NH (United States); OSTI
Univ. of New Hampshire, Durham, NH (United States)
Young Harris College, Young Harris, GA (United States)
Univ. of New Hampshire, Durham, NH (United States). Hubbard Center for Genome Studies
Univ. of Massachusetts, Amherst, MA (United States)

Tradeoffs in microbial functional traits have been a focus of recently described ecological frameworks and of mathematical models of microbial community functioning. Tradeoffs in key traits such as growth rate, growth yield, resource acquisition, and stress tolerance may have either a genetic basis or a physiological basis, and the type of tradeoff can inform how traits are modeled and measured. Here we provide evidence that growth rate/decomposition and growth rate/stress tolerance tradeoffs have a primarily genetic basis in a phylogenetically diverse suite of ten leaf litter-inhabiting fungi. In contrast, growth yield tradeoffs with functional traits are more likely to have a physiological basis. Consideration of the type of tradeoff, genetic or physiological, should help to inform efforts to model microbial contributions to ecosystem processes, especially when considering different scales. Consideration of physiological tradeoffs may be important for understanding short-term variability (e.g., pulse events) and fine spatial scales, whereas genetic tradeoffs are likely to be useful for understanding regional- to continental-scale and medium- to long-term contributions of microbes to ecosystem processes.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Massachusetts, Amherst, MA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC)

Grant/Contract Number:: SC0016590

OSTI ID:: 1977652

Alternate ID(s):: OSTI ID: 1960834

Journal Information:: Soil Biology and Biochemistry, Journal Name: Soil Biology and Biochemistry Journal Issue: C Vol. 172; ISSN 0038-0717

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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59 BASIC BIOLOGICAL SCIENCES
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carbon use efficiency
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Evidence for a genetic basis in functional trait tradeoffs with microbial growth rate but not growth yield

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