{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T01:12:29Z","timestamp":1792199549733,"version":"4.4.0"},"reference-count":71,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2013,3,13]],"date-time":"2013-03-13T00:00:00Z","timestamp":1363132800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,5,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Copper and iron are essential micronutrients for most living organisms because they participate as cofactors in biological processes, including respiration, photosynthesis, and oxidative stress protection. In many eukaryotic organisms, including yeast (Saccharomyces cerevisiae) and mammals, copper and iron homeostases are highly interconnected; yet, such interdependence is not well established in higher plants. Here, we propose that COPT2, a high-affinity copper transport protein, functions under copper and iron deficiencies in Arabidopsis (Arabidopsis thaliana). COPT2 is a plasma membrane protein that functions in copper acquisition and distribution. Characterization of the COPT2 expression pattern indicates a synergic response to copper and iron limitation in roots. We characterized a knockout of COPT2, copt2-1, that leads to increased resistance to simultaneous copper and iron deficiencies, measured as reduced leaf chlorosis and improved maintenance of the photosynthetic apparatus. We propose that COPT2 could play a dual role under iron deficiency. First, COPT2 participates in the attenuation of copper deficiency responses driven by iron limitation, possibly to minimize further iron consumption. Second, global expression analyses of copt2-1 versus wild-type Arabidopsis plants indicate that low-phosphate responses increase in the mutant. These results open up new biotechnological approaches to fight iron deficiency in crops.<\/jats:p>","DOI":"10.1104\/pp.112.212407","type":"journal-article","created":{"date-parts":[[2013,3,14]],"date-time":"2013-03-14T03:11:49Z","timestamp":1363230709000},"page":"180-194","source":"Crossref","is-referenced-by-count":128,"title":["Arabidopsis Copper Transport Protein COPT2 Participates in the Cross Talk between Iron Deficiency Responses and Low-Phosphate Signaling\n\u00a0\n\u00a0"],"prefix":"10.1093","volume":"162","author":[{"given":"Ana","family":"Perea-Garc\u00eda","sequence":"first","affiliation":[{"name":"Departament de Bioqu\u00edmica i Biologia Molecular, Universitat de Val\u00e8ncia, ES\u201346100 Burjassot, Valencia, Spain (A.P.-G., A.G.-M., N.A.-C., S.P., L.P.); and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antoni","family":"Garcia-Molina","sequence":"additional","affiliation":[{"name":"Departament de Bioqu\u00edmica i Biologia Molecular, Universitat de Val\u00e8ncia, ES\u201346100 Burjassot, Valencia, Spain (A.P.-G., A.G.-M., N.A.-C., S.P., L.P.); and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nuria","family":"Andr\u00e9s-Col\u00e1s","sequence":"additional","affiliation":[{"name":"Departament de Bioqu\u00edmica i Biologia Molecular, Universitat de Val\u00e8ncia, ES\u201346100 Burjassot, Valencia, Spain (A.P.-G., A.G.-M., N.A.-C., S.P., L.P.); and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco","family":"Vera-Sirera","sequence":"additional","affiliation":[{"name":"Instituto de Biolog\u00eda Molecular y Celular de Plantas, Consejo Superior de Investigaciones Cient\u00edficas-Universidad Polit\u00e9cnica de Valencia, ES\u201346022 Valencia, Spain (F.V.-S., M.A.P.-A.)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel A.","family":"P\u00e9rez-Amador","sequence":"additional","affiliation":[{"name":"Instituto de Biolog\u00eda Molecular y Celular de Plantas, Consejo Superior de Investigaciones Cient\u00edficas-Universidad Polit\u00e9cnica de Valencia, ES\u201346022 Valencia, Spain (F.V.-S., M.A.P.-A.)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergi","family":"Puig","sequence":"additional","affiliation":[{"name":"Departament de Bioqu\u00edmica i Biologia Molecular, Universitat de Val\u00e8ncia, ES\u201346100 Burjassot, Valencia, Spain (A.P.-G., A.G.-M., N.A.-C., S.P., L.P.); and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lola","family":"Pe\u00f1arrubia","sequence":"additional","affiliation":[{"name":"Departament de Bioqu\u00edmica i Biologia Molecular, Universitat de Val\u00e8ncia, ES\u201346100 Burjassot, Valencia, Spain (A.P.-G., A.G.-M., N.A.-C., S.P., L.P.); 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