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dc.contributor.authorCajero-Sanchez, Wendy-
dc.contributor.authorAceves-Garcia, Pamela-
dc.contributor.authorFernández-Marcos, María-
dc.contributor.authorGutiérrez Armenta, Crisanto-
dc.contributor.authorRosas, Ulises-
dc.contributor.authorGarcía-Ponce, Berenice-
dc.contributor.authorÁlvarez-Buylla, Elena R.-
dc.contributor.authorSánchez, Maria de la Paz-
dc.contributor.authorGaray-Arroyo, Adriana-
dc.date.accessioned2020-06-23T12:00:03Z-
dc.date.available2020-06-23T12:00:03Z-
dc.date.issued2019-11-29-
dc.identifierdoi: 10.3390/genes10120983-
dc.identifierissn: 2073-4425-
dc.identifier.citationGENES 10 (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/215056-
dc.description.abstractArabidopsis naturally occurring populations have allowed for the identification of considerable genetic variation remodeled by adaptation to different environments and stress conditions. Water is a key resource that limits plant growth, and its availability is initially sensed by root tissues. The root’s ability to adjust its physiology and morphology under water deficit makes this organ a useful model to understand how plants respond to water stress. Here, we used hyperosmotic shock stress treatments in different Arabidopsis accessions to analyze the root cell morphological responses. We found that osmotic stress conditions reduced root growth and root apical meristem (RAM) size, promoting premature cell differentiation without affecting the stem cell niche morphology. This phenotype was accompanied by a cluster of small epidermal and cortex cells with radial expansion and root hairs at the transition to the elongation zone. We also found this radial expansion with root hairs when plants are grown under hypoosmotic conditions. Finally, root growth was less affected by osmotic stress in the Sg-2 accession followed by Ws, Cvi-0, and Col-0; however, after a strong osmotic stress, Sg-2 and Cvi-0 were the most resilience accessions. The sensitivity differences among these accessions were not explained by stress-related gene expression. This work provides new cellular insights on the Arabidopsis root phenotypic variability and plasticity to osmotic stress.-
dc.description.sponsorshipUNAM-DGAPA-PAPIIT: IN204217, IN211516, IN208517, IN205517 and IN211319. E.R.Á.-B and U.R. received funding from CONACYT: 240180 and 180380 and INFRA-268109. The C.G. laboratory is funded by RTI2018-094793-B-I00 from MCIU and institutional grants from Fundacion Ramon Areces and Banco de Santander-
dc.languageeng-
dc.publisherMultidisciplinary Digital Publishing Institute-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.subjectOsmotic stress-
dc.subjectArabidopsis accessions-
dc.subjectRoot morphology-
dc.subjectPlasticity-
dc.subjectNatural variation-
dc.titleNatural root cellular variation in responses to osmotic stress in arabidopsis thaliana accessions-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.3390/genes10120983-
dc.relation.publisherversionhttp://dx.doi.org/10.3390/genes10120983-
dc.date.updated2020-06-23T12:00:03Z-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderUniversidad Nacional Autónoma de México-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)-
dc.contributor.funderFundación Ramón Areces-
dc.contributor.funderBanco Santander-
dc.contributor.funderConsejo Nacional de Ciencia y Tecnología (México)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/100010784es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100008054es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003141es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100005739es_ES
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