Hysteresis can grant fitness in stochastically varying environment

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dc.contributor.authorFriedman, Gary
dc.contributor.authorMcCarthy, Stephen P.
dc.contributor.authorRachinskii, Dmitrii
dc.contributor.funderRussian Foundation for Basic Research
dc.contributor.funderAlexander von Humboldt-Stiftung
dc.date.accessioned2016-02-17T11:43:39Z
dc.date.available2016-02-17T11:43:39Z
dc.date.issued2014
dc.description.abstractAlthough the existence of multiple stable phenotypes of living organisms enables random switching between phenotypes as well as non-random history dependent switching called hysteresis, only random switching has been considered in prior experimental and theoretical models of adaptation to variable environments. This work considers the possibility that hysteresis may also evolve together with random phenotype switching to maximize population growth. In addition to allowing the possibility that switching rates between different phenotypes may depend not only on a continuous environmental input variable, but also on the phenotype itself, the present work considers an opportunity cost of the switching events. This opportunity cost arises as a result of a lag phase experimentally observed after phenotype switching and stochastic behavior of the environmental input. It is shown that stochastic environmental variation results in maximal asymptotic growth rate when organisms display hysteresis for sufficiently slowly varying environmental input. At the same time, sinusoidal input does not cause evolution of memory suggesting that the connection between the lag phase, stochastic environmental variation and evolution of hysteresis is a result of a stochastic resonance type phenomenon.en
dc.description.sponsorshipRussian Foundation for Basic Research (Grant No. 10-01-93112)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleide103241
dc.identifier.citationFriedman G, McCarthy S, Rachinskii D (2014) Hysteresis Can Grant Fitness in Stochastically Varying Environment. PLoS ONE 9(7): e103241. doi:10.1371/journal.pone.0103241
dc.identifier.doi10.1371/journal.pone.0103241
dc.identifier.issn1932-6203
dc.identifier.issued7en
dc.identifier.journaltitlePLOS ONEen
dc.identifier.urihttps://hdl.handle.net/10468/2328
dc.identifier.volume9en
dc.language.isoenen
dc.publisherPublic Library of Scienceen
dc.rights© 2015 Friedman et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are crediteden
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectGalactoside-enzyme systemen
dc.subjectEscherichia colien
dc.subjectGene expressionen
dc.subjectFluctuating environmentsen
dc.subjectBacillus subtilisen
dc.subjectSwitchen
dc.subjectCellen
dc.subjectTransitionsen
dc.subjectMemoryen
dc.subjectDifferentiationen
dc.titleHysteresis can grant fitness in stochastically varying environmenten
dc.typeArticle (peer-reviewed)en
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