Two members of the Arabidopsis CLC (chloride channel) family, AtCLCe and AtCLCf, are associated with thylakoid and Golgi membranes, respectively | Zendy

Anne Marmagne | Zendy; Marion Vinauger-Douard | Zendy; Dario Monachello | Zendy; A. F. de Longevialle | Zendy; Céline Charon | Zendy; Michèle Allot | Zendy; Fabrice Rappaport | Zendy; F A Wollman | Zendy; Hélène BarbierBrygoo | Zendy; Geneviève Ephritikhine | Zendy

Open Access

Two members of the Arabidopsis CLC (chloride channel) family, AtCLCe and AtCLCf, are associated with thylakoid and Golgi membranes, respectively

Author(s) -

Anne Marmagne,

Marion Vinauger-Douard,

Dario Monachello,

A. F. de Longevialle,

Céline Charon,

Michèle Allot,

Fabrice Rappaport,

F A Wollman,

Hélène BarbierBrygoo,

Geneviève Ephritikhine

Publication year - 2007

Publication title -

journal of experimental botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.616

H-Index - 242

eISSN - 1460-2431

pISSN - 0022-0957

DOI - 10.1093/jxb/erm187

Subject(s) - thylakoid , arabidopsis , golgi apparatus , mutant , chloroplast , subcellular localization , twin arginine translocation pathway , microbiology and biotechnology , biology , arabidopsis thaliana , membrane , membrane protein , gene , biochemistry , chemistry , endoplasmic reticulum

Though numerous pieces of evidence point to major physiological roles for anion channels in plants, progress in the understanding of their biological functions is limited by the small number of genes identified so far. Seven chloride channel (CLC) members could be identified in the Arabidopsis genome, amongst which AtCLCe and AtCLCf are both more closely related to bacterial CLCs than the other plant CLCs. It is shown here that AtCLCe is targeted to the thylakoid membranes in chloroplasts and, in agreement with this subcellular localization, that the clce mutants display a phenotype related to photosynthesis activity. The AtCLCf protein is localized in Golgi membranes and functionally complements the yeast gef1 mutant disrupted in the single CLC gene encoding a Golgi-associated protein.

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