| http://purl.uniprot.org/citations/21546457 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/21546457 | http://www.w3.org/2000/01/rdf-schema#comment | "Calcium ions (Ca(2+)) and Ca(2+)-related proteins mediate a wide array of downstream processes involved in plant responses to abiotic stresses. In Arabidopsis (Arabidopsis thaliana), disruption of the vacuolar Ca(2+)/H(+) transporters CAX1 and CAX3 causes notable alterations in the shoot ionome, including phosphate (P(i)) content. In this study, we showed that the cax1/cax3 double mutant displays an elevated P(i) level in shoots as a result of increased P(i) uptake in a miR399/PHO2-independent signaling pathway. Microarray analysis of the cax1/cax3 mutant suggests the regulatory function of CAX1 and CAX3 in suppressing the expression of a subset of shoot P(i) starvation-responsive genes, including genes encoding the PHT1;4 P(i) transporter and two SPX domain-containing proteins, SPX1 and SPX3. Moreover, although the expression of several PHT1 genes and PHT1;1/2/3 proteins is not up-regulated in the root of cax1/cax3, results from reciprocal grafting experiments indicate that the cax1/cax3 scion is responsible for high P(i) accumulation in grafted plants and that the pht1;1 rootstock is sufficient to moderately repress such P(i) accumulation. Based on these findings, we propose that CAX1 and CAX3 mediate a shoot-derived signal that modulates the activity of the root P(i) transporter system, likely in part via posttranslational regulation of PHT1;1 P(i) transporters."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.org/dc/terms/identifier | "doi:10.1104/pp.111.175257"xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Aung K."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Chang T.Y."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Chiou T.J."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Chen Y.S."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Liu T.Y."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/author | "Tseng C.Y."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/name | "Plant Physiol"xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/pages | "1176-1189"xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/title | "Vacuolar Ca2+/H+ transport activity is required for systemic phosphate homeostasis involving shoot-to-root signaling in Arabidopsis."xsd:string |
| http://purl.uniprot.org/citations/21546457 | http://purl.uniprot.org/core/volume | "156"xsd:string |
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