Spatio-temporal integration in plant tropisms

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MEROZ, Yasmine, Renaud BASTIEN, L. MAHADEVAN, 2019. Spatio-temporal integration in plant tropisms. In: Interface : Journal of the Royal Society. 16(154), 20190038. ISSN 1742-5689. eISSN 1742-5662. Available under: doi: 10.1098/rsif.2019.0038

@article{Meroz2019-05-31Spati-46086, title={Spatio-temporal integration in plant tropisms}, year={2019}, doi={10.1098/rsif.2019.0038}, number={154}, volume={16}, issn={1742-5689}, journal={Interface : Journal of the Royal Society}, author={Meroz, Yasmine and Bastien, Renaud and Mahadevan, L.}, note={Article Number: 20190038} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:contributor>Meroz, Yasmine</dc:contributor> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dcterms:issued>2019-05-31</dcterms:issued> <dcterms:available rdf:datatype="">2019-06-25T09:14:51Z</dcterms:available> <dc:contributor>Bastien, Renaud</dc:contributor> <dcterms:title>Spatio-temporal integration in plant tropisms</dcterms:title> <dc:contributor>Mahadevan, L.</dc:contributor> <dcterms:isPartOf rdf:resource=""/> <dc:creator>Bastien, Renaud</dc:creator> <dc:creator>Mahadevan, L.</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:date rdf:datatype="">2019-06-25T09:14:51Z</dc:date> <dcterms:abstract xml:lang="eng">Tropisms, growth-driven responses to environmental stimuli, cause plant organs to respond in space and time and reorient themselves. Classical experiments from nearly a century ago reveal that plant shoots respond to the integrated history of light and gravity stimuli rather than just responding instantaneously. We introduce a temporally non-local response function for the dynamics of shoot growth formulated as an integro-differential equation whose solution allows us to qualitatively reproduce experimental observations associated with intermittent and unsteady stimuli. Furthermore, an analytic solution for the case of a pulse stimulus expresses the response function as a function of experimentally tractable variables, which we calculate for the case of the phototropic response of Arabidopsis hypocotyls. All together, our model enables us to predict tropic responses to time-varying stimuli, manifested in temporal integration phenomena, and sets the stage for the incorporation of additional effects such as multiple stimuli, gravitational sagging, etc.</dcterms:abstract> <bibo:uri rdf:resource=""/> <dspace:isPartOfCollection rdf:resource=""/> <dc:language>eng</dc:language> <dc:creator>Meroz, Yasmine</dc:creator> </rdf:Description> </rdf:RDF>

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