Por favor, use este identificador para citar o enlazar este ítem: https://hdl.handle.net/11000/32436
Registro completo de metadatos
Campo DC Valor Lengua/Idioma
dc.contributor.authorLara, Alberto-
dc.contributor.authorRódenas, Reyes-
dc.contributor.authorAndrés, Zaida-
dc.contributor.authorMartínez, Vicente-
dc.contributor.authorQuintero, Francisco J.-
dc.contributor.authorNieves-Cordones, Manuel-
dc.contributor.authorBotella, M. Ángeles-
dc.contributor.authorRubio, Francisco-
dc.contributor.otherDepartamentos de la UMH::Biología Aplicadaes_ES
dc.date.accessioned2024-07-12T07:57:25Z-
dc.date.available2024-07-12T07:57:25Z-
dc.date.created2020-06-
dc.identifier.citationJournal of Experimental Botany, Vol. 71, No. 16 pp. 5053–5060, 2020es_ES
dc.identifier.issn1460-2431-
dc.identifier.issn0022-0957-
dc.identifier.urihttps://hdl.handle.net/11000/32436-
dc.description.abstractThe high-affinity K+ transporter HAK5 is the major contributor to root K+ uptake from dilute solutions in K+-starved Arabidopsis plants. Its functionality is tightly regulated and its activity is enhanced under K+ starvation by the transcriptional induction of the AtHAK5 gene, and by the activation of the transporter via the AtCBL1–AtCIPK23 complex. In the present study, the 26 members of the Arabidopsis CIPK protein kinase family were screened in yeast for their capacity to activate HAK5-mediated K+ uptake. Among them, AtCIPK1 was the most efficient activator of AtHAK5. In addition, AtCIPK9, previously reported to participate in K+ homeostasis, also activated the transporter. In roots, the genes encoding AtCIPK1 and AtCIPK9 were induced by K+ deprivation and atcipk1 and atcipk9 Arabidopsis KO mutants showed a reduced AtHAK5-mediated Rb+ uptake. Activation of AtHAK5 by AtCIPK1 did not occur under hyperosmotic stress conditions, where AtCIPK1 function has been shown to be required to maintain plant growth. Taken together, our data contribute to the identification of the complex regulatory networks that control the highaffinity K+ transporter AtHAK5 and root K+ uptake.es_ES
dc.formatapplication/pdfes_ES
dc.format.extent8es_ES
dc.language.isoenges_ES
dc.publisherOxford University Presses_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectArabidopsises_ES
dc.subjectAtCBLes_ES
dc.subjectAtCIPKes_ES
dc.subjectAtHAK5es_ES
dc.subjectpotassiumes_ES
dc.subjectuptakees_ES
dc.subject.otherCDU::5 - Ciencias puras y naturales::57 - Biologíaes_ES
dc.titleArabidopsis K+ transporter HAK5-mediated high-affinity root K+ uptake is regulated by protein kinases CIPK1 and CIPK9es_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://doi.org/10.1093/jxb/eraa212es_ES
Aparece en las colecciones:
Artículos Biología Aplicada


Vista previa

Ver/Abrir:
 eraa212.pdf

1,07 MB
Adobe PDF
Compartir:


Creative Commons La licencia se describe como: Atribución-NonComercial-NoDerivada 4.0 Internacional.