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Root hydrotropism is controlled via a cortex-specific growth mechanism

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Root hydrotropism is controlled via a cortex-specific growth mechanism

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dc.contributor.author Dietrich, Daniela es_ES
dc.contributor.author Pang, Lei es_ES
dc.contributor.author Kobayashi, Akie es_ES
dc.contributor.author Fozard, John A. es_ES
dc.contributor.author Boudolf, Veronique es_ES
dc.contributor.author Bhosale, Rahul es_ES
dc.contributor.author Nguyen, Tuan es_ES
dc.contributor.author Hiratsuka, Sotaro es_ES
dc.contributor.author Fujii, Nobuharu es_ES
dc.contributor.author Miyazawa, Yutaka es_ES
dc.contributor.author Bae, Tae-Woong es_ES
dc.contributor.author Wells, Darren M. es_ES
dc.contributor.author Owen, Markus R. es_ES
dc.contributor.author Band, Leah R. es_ES
dc.contributor.author Dyson, Rosemary J. es_ES
dc.contributor.author Rodríguez Egea, Pedro Luís es_ES
dc.date.accessioned 2020-10-31T04:31:48Z
dc.date.available 2020-10-31T04:31:48Z
dc.date.issued 2017-06 es_ES
dc.identifier.uri http://hdl.handle.net/10251/153775
dc.description.abstract [EN] Plants can acclimate by using tropisms to link the direction of growth to environmental conditions. Hydrotropism allows roots to forage for water, a process known to depend on abscisic acid (ABA) but whose molecular and cellular basis remains unclear. Here we show that hydrotropism still occurs in roots after laser ablation removed the meristem and root cap. Additionally, targeted expression studies reveal that hydrotropism depends on the ABA signalling kinase SnRK2.2 and the hydrotropism-specific MIZ1, both acting specifically in elongation zone cortical cells. Conversely, hydrotropism, but not gravitropism, is inhibited by preventing differential cell-length increases in the cortex, but not in other cell types. We conclude that root tropic responses to gravity and water are driven by distinct tissue-based mechanisms. In addition, unlike its role in root gravitropism, the elongation zone performs a dual function during a hydrotropic response, both sensing a water potential gradient and subsequently undergoing differential growth. es_ES
dc.description.sponsorship The authors thank C. Howells, K. Swarup and M. Whitworth for technical assistance, J.-K. Zhu for providing snrk2.2 snrk2.3 seeds, W. Grunewald for pDONR-L1-GAL4-VP16-R2 and S. Tsukinoki for generating WER: MIZ1-GFP(HSPter) and PIN2: MIZ1-GFP(HSPter) transgenic plants and acknowledge the following funding agencies for financial support: D.D., J.F., R.A., T.N., D.W., S.T.,C.S., S.M., M.R.O., L.R.B., R.D., O.J., J.K., J.R., T.B. and M.J.B. thank the Biological and Biotechnology Science Research Council (BBSRC) for responsive mode and CISB awards to the Centre for Plant Integrative Biology; D.W., C. S., S. M., M.R.O., J.K., T.P. and M.J.B. thank the European Research Council (ERC) for FUTUREROOTS project funding; L.R.B. thanks the Leverhulme Trust for an Early Career Fellowship; V.B., R.B. and L.D.V. are supported by grants of the Research Foundation Flanders (G. 002911N). R.B. and M. J.B. thank the Royal Society for Newton and Wolfson Research Fellowship awards; R.A., T.I.B. and M. J.B. thank the FP7 Marie Curie Fellowship Scheme; R.D. thanks the Engineering and Physical Sciences Research Council, J.D. and M. J.B. thank the GII scheme; and V.B., R.B., L.D.V. and M. J.B. thank the Interuniversity Attraction Poles Programme (IUAP P7/29 "MARS"), initiated by the Belgian Science Policy Office. R.B.P. was funded by grants from the Knut and AliceWallenberg Foundation. This work was also supported by a Grant-in-Aid for Scientific Research on Innovative Areas (No. 22120004) from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan to H.T., a Grant-in-Aid for Young Scientists (B) (No. 26870057) from the Japan Society for the Promotion of Science (JSPS) to A. K., a Grant-in-Aid for Scientific Research on Innovative Areas (No. 22120002) from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan to A.N., a Grant-in-Aid for Scientific Research on Innovative Areas (No. 22120010) from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan to Y.H. and the Funding Program for Next-Generation World-Leading Researchers (GS002) to Y.M.L.P. was financially supported by a scholarship from the Japanese government. T.-W.B. was financially supported by the Funding Program for Next-Generation World-Leading Researchers (GS002) and the Grant-in-Aid for Scientific Research on Innovative Areas (No. 22120004) es_ES
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Nature Plants (Online) es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification BIOQUIMICA Y BIOLOGIA MOLECULAR es_ES
dc.title Root hydrotropism is controlled via a cortex-specific growth mechanism es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/nplants.2017.57 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FWO//G.002911N/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/BELSPO//IUAP P7%2F29/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEXT//22120004/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEXT//26870057/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEXT//22120002/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEXT//22120010/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MEXT//GS002/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Biología Molecular y Celular de Plantas - Institut Universitari Mixt de Biologia Molecular i Cel·lular de Plantes es_ES
dc.description.bibliographicCitation Dietrich, D.; Pang, L.; Kobayashi, A.; Fozard, JA.; Boudolf, V.; Bhosale, R.; Nguyen, T.... (2017). Root hydrotropism is controlled via a cortex-specific growth mechanism. Nature Plants (Online). 3(6):1-8. https://doi.org/10.1038/nplants.2017.57 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1038/nplants.2017.57 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 8 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 3 es_ES
dc.description.issue 6 es_ES
dc.identifier.eissn 2055-0278 es_ES
dc.identifier.pmid 28481327 es_ES
dc.relation.pasarela S\357349 es_ES
dc.contributor.funder Belgian Federal Science Policy Office es_ES
dc.contributor.funder Research Foundation Flanders es_ES
dc.contributor.funder Ministry of Education, Culture, Sports, Science and Technology, Japón es_ES
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