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Article

Evidence for a SAL1-PAP chloroplast retrograde pathway that functions in drought and high light signaling in Arabidopsis.

The Plant cell - 1 Nov 2011

Estavillo Gonzalo M, Crisp Peter A, Pornsiriwong Wannarat, Wirtz Markus, Collinge Derek, Carrie Chris, Giraud Estelle, Whelan James, David Pascale, Javot Hélène, Brearley Charles, Hell Rüdiger, Marin Elena, Pogson Barry J

Abstract excerpt

Compartmentation of the eukaryotic cell requires a complex set of subcellular messages, including multiple retrograde signals from the chloroplast and mitochondria to the nucleus, to regulate gene expression. Here, we propose that one such signal is a phosphonucleotide (3'-phosphoadenosine 5'-phosphate [PAP]), which accumulates in Arabidopsis thaliana in response to drought and high light (HL) stress and that the...

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PMID: 22128124
DOI: 10.1105/tpc.111.091033
PMCID: PMC3246320

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