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Microbial dormancy and boom-and-bust population dynamics under starvation stress

Abstract:

We propose a model for the growth of microbial populations in the presence of a rate-limiting nutrient which accounts for the switching of cells to a dormant phase at low densities in response to decreasing concentration of a putative biochemical signal. We then show that in conditions of nutrient starvation, self-sustained oscillations can occur, thus providing a natural explanation for such phenomena as plankton blooms. However, unlike results of previous studies, the microbial population m...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1016/j.tpb.2018.02.001

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Mathematical Institute
Role:
Author
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Grant:
SFI/09/IN.1/I2645; SFI/13/IA/1923; SFI/12/1A/1683
Publisher:
Elsevier Publisher's website
Journal:
Theoretical Population Biology Journal website
Volume:
120
Pages:
114-120
Publication date:
2018-02-12
Acceptance date:
2018-02-06
DOI:
Pubs id:
pubs:825192
URN:
uri:060e00dd-fbe9-4924-9f11-780b04608f83
UUID:
uuid:060e00dd-fbe9-4924-9f11-780b04608f83
Local pid:
pubs:825192

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