Calcium dependent sucrose uptake links sugar signaling to anthocyanin biosynthesis in Arabidopsis

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dc.contributor.authorShin, Dong Hoko
dc.contributor.authorChoi, Myoung-Gooko
dc.contributor.authorLee, Hyun Kyoungko
dc.contributor.authorCho, Misukko
dc.contributor.authorChoi, Sang-Bongko
dc.contributor.authorChoi, Giltsuko
dc.contributor.authorPark, Youn-Ilko
dc.date.accessioned2013-08-08T05:46:49Z-
dc.date.available2013-08-08T05:46:49Z-
dc.date.created2013-03-08-
dc.date.created2013-03-08-
dc.date.issued2013-01-
dc.identifier.citationBIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.430, no.2, pp.634 - 639-
dc.identifier.issn0006-291X-
dc.identifier.urihttp://hdl.handle.net/10203/174625-
dc.description.abstractSugars enhance light signaling-induced anthocyanin accumulation in Arabidopsis seedlings via differential regulation of several positive and negative transcription factors. Ca2+ plays a role as a second messenger in sugar signaling in grape and wheat. However, whether anthocyanin pigmentation is modulated by changes in intracellular Ca2+ level in Arabidopsis is not known. Here, we used a pharmaceutical approach that Ca2+ antagonists strongly interfered with sucrose uptake and anthocyanin accumulation by down-regulating the expression of sucrose transporter 1 (SUC1) and transcriptional regulatory factors, such as PAP1. Time course analysis of the effect of Ca2+ antagonists showed the early inhibition of sucrose-induced sugar uptake leading to decreased anthocyanin accumulation, indicating that Ca2+ signals play a role in sugar uptake rather than in anthocyanin biosynthesis. An early increase in cytosolic Ca2+ level in Arabidopsis roots in response to sucrose feeding was significantly inhibited by Ca2+ antagonists. Taken together, these results indicate that sucrose-induced sugar uptake in Arabidopsis is modulated by changes in endogenous Ca2+ levels, which in turn regulate anthocyanin accumulation. (C) 2012 Elsevier Inc. All rights reserved.-
dc.languageEnglish-
dc.publisherACADEMIC PRESS INC ELSEVIER SCIENCE-
dc.subjectINDUCED INCREASE-
dc.subjectPROTEIN-KINASES-
dc.subjectCYTOSOLIC CA2+-
dc.subjectHIGHER-PLANTS-
dc.subjectEXPRESSION-
dc.subjectCELLS-
dc.subjectTRANSPORTER-
dc.subjectINDUCTION-
dc.subjectTHALIANA-
dc.subjectTISSUES-
dc.titleCalcium dependent sucrose uptake links sugar signaling to anthocyanin biosynthesis in Arabidopsis-
dc.typeArticle-
dc.identifier.wosid000314257800032-
dc.identifier.scopusid2-s2.0-84872335115-
dc.type.rimsART-
dc.citation.volume430-
dc.citation.issue2-
dc.citation.beginningpage634-
dc.citation.endingpage639-
dc.citation.publicationnameBIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS-
dc.identifier.doi10.1016/j.bbrc.2012.11.100-
dc.contributor.localauthorChoi, Giltsu-
dc.contributor.nonIdAuthorShin, Dong Ho-
dc.contributor.nonIdAuthorChoi, Myoung-Goo-
dc.contributor.nonIdAuthorLee, Hyun Kyoung-
dc.contributor.nonIdAuthorCho, Misuk-
dc.contributor.nonIdAuthorChoi, Sang-Bong-
dc.contributor.nonIdAuthorPark, Youn-Il-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAnthocyanin-
dc.subject.keywordAuthorCalcium-
dc.subject.keywordAuthorSugar-
dc.subject.keywordAuthorSucrose transporter 1-
dc.subject.keywordPlusINDUCED INCREASE-
dc.subject.keywordPlusPROTEIN-KINASES-
dc.subject.keywordPlusCYTOSOLIC CA2+-
dc.subject.keywordPlusHIGHER-PLANTS-
dc.subject.keywordPlusEXPRESSION-
dc.subject.keywordPlusCELLS-
dc.subject.keywordPlusTRANSPORTER-
dc.subject.keywordPlusINDUCTION-
dc.subject.keywordPlusTHALIANA-
dc.subject.keywordPlusTISSUES-
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