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Empirical evidence for fast temperature-dependent body size evolution in rotifers

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Empirical evidence for fast temperature-dependent body size evolution in rotifers

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dc.contributor.author Walczynska, Aleksandra
dc.contributor.author Franch Gras, Lluis
dc.contributor.author Serra Galindo, Manuel
dc.date.accessioned 2017-12-07T11:52:56Z
dc.date.available 2017-12-07T11:52:56Z
dc.date.issued 2017
dc.identifier.citation Walczynska, Aleksandra Franch Gras, Lluis Serra Galindo, Manuel 2017 Empirical evidence for fast temperature-dependent body size evolution in rotifers Hydrobiologia 796 191 200
dc.identifier.uri http://hdl.handle.net/10550/63500
dc.description.abstract Organisms tend to decrease in size with increasing temperature by phenotypic plasticity (the temperature-size rule; ectotherms) and/or genetically (Bergmann's rule; all organisms). In this study, the evolutionary response of body size to temperature was examined in the cyclically parthenogenetic rotifer Brachionus plicatilis. Our aim was to investigate whether this species, already known to decrease in size with increasing temperature by phenotypic plasticity, presents a similar pattern at the genetic level. We exposed a multiclonal mixture of B. plicatilis to experimental evolution at low and high temperature and monitored body size weekly. Within a month, we observed a smaller size at higher temperature, as compared to body size at lower temperature. The pattern was consistent for the size of both mature females and eggs; rotifers kept at high temperature evolved to be on average 14% (after 2 weeks) and 3% (after 3 weeks) smaller than the ones kept at low temperature (10 and 5% in the case of eggs, respectively). We therefore found that B. plicatilis is genetically programmed to adjust its body size-toenvironmental temperature.
dc.language.iso eng
dc.relation.ispartof Hydrobiologia, 2017, vol. 796, p. 191-200
dc.subject Ecologia animal
dc.subject Rotífers
dc.title Empirical evidence for fast temperature-dependent body size evolution in rotifers
dc.type journal article es_ES
dc.date.updated 2017-12-07T11:52:56Z
dc.identifier.doi 10.1007/s10750-017-3206-3
dc.identifier.idgrec 121151
dc.rights.accessRights open access es_ES

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