Journal
JOURNAL OF THEORETICAL BIOLOGY
Volume 293, Issue -, Pages 34-40Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2011.10.003
Keywords
Physiological structure; Dormancy; Bacteria
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Funding
- National Science Foundation [DMS-0914514]
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We present models and computational studies of dormancy in batch cultures to try to understand the relationship between reculturing time and death penalty for low substrate and the relative advantage of fast versus slow reawakening on the part of the bacteria. We find that the advantage goes to the faster waker for shorter reculturing times and lower mortality under low substrate, and moves to the slower waker as reculturing times and death penalty increase. The advantage returns again to the fast waker for very high death penalties. We use an explicit, continuous structure variable to represent dormancy so as to allow for flexibility in substrate usage on the part of dormant cells, and for a more mechanistic representation of the reawakening process. (C) 2011 Elsevier Ltd. All rights reserved.
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