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dc.contributor.authorPuzey, Joshua Robert
dc.contributor.authorGerbode, S. J.
dc.contributor.authorHodges, S. A.
dc.contributor.authorKramer, Elena M.
dc.contributor.authorMahadevan, Lakshminarayanan
dc.date.accessioned2014-03-07T16:46:00Z
dc.date.issued2012
dc.identifierQuick submit: 2014-02-22T21:18:21-05:00
dc.identifier.citationPuzey, Joshua R., Sharon J. Gerbode, Scott A. Hodges, Elena M. Kramer, and L. Mahadevan. 2012. Evolution of Spur-Length Diversity in Aquilegia Petals Is Achieved Solely Through Cell-Shape Anisotropy. Proceedings of the Royal Society B 279: 1640–1645.en_US
dc.identifier.issn0962-8452en_US
dc.identifier.issn1471-2954en_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:11870383
dc.description.abstractThe role of petal spurs and specialized pollinator interactions has been studied since Darwin. Aquilegia petal spurs exhibit striking size and shape diversity, correlated with specialized pollinators ranging from bees to hawkmoths in a textbook example of adaptive radiation. Despite the evolutionary significance of spur length, remarkably little is known about Aquilegia spur morphogenesis and its evolution. Using experimental measurements, both at tissue and cellular levels, combined with numerical modelling, we have investigated the relative roles of cell divisions and cell shape in determining the morphology of the Aquilegia petal spur. Contrary to decades-old hypotheses implicating a discrete meristematic zone as the driver of spur growth, we find that Aquilegia petal spurs develop via anisotropic cell expansion. Furthermore, changes in cell anisotropy account for 99 per cent of the spur-length variation in the genus, suggesting that the true evolutionary innovation underlying the rapid radiation of Aquilegia was the mechanism of tuning cell shape.en_US
dc.description.sponsorshipEngineering and Applied Sciencesen_US
dc.description.sponsorshipOrganismic and Evolutionary Biologyen_US
dc.language.isoen_USen_US
dc.publisherThe Royal Societyen_US
dc.relation.isversionofdoi:10.1098/rspb.2011.1873en_US
dash.licenseOAP
dc.subjectpetal shapeen_US
dc.subjectcell shapeen_US
dc.subjectevolutionen_US
dc.subjectpollination syndromeen_US
dc.subjectmorphogenesisen_US
dc.subjectnectar spuren_US
dc.titleEvolution of Spur-Length Diversity in Aquilegia Petals Is Achieved Solely Through Cell-Shape Anisotropyen_US
dc.typeJournal Articleen_US
dc.date.updated2014-02-23T02:20:01Z
dc.description.versionAccepted Manuscripten_US
dc.rights.holderJoshua R. Puzey, Sharon J. Gerbode, Scott A. Hodges, Elena M. Kramer, and L. Mahadevan
dc.relation.journalProceedings of the Royal Society Ben_US
dash.depositing.authorKramer, Elena M.
dc.date.available2014-03-07T16:46:00Z
dc.identifier.doi10.1098/rspb.2011.1873*
dash.contributor.affiliatedPuzey, Joshua
dash.contributor.affiliatedKramer, Elena
dash.contributor.affiliatedMahadevan, Lakshminarayanan


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