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Understanding the Role of Chloroplast Signalling in Plant Development and Drought Tolerance

Phua, Su Yin


3’-phosphoadenosine 5’-phosphate (PAP) was recently proposed as a new chloroplast retrograde signal that accumulates during drought stress. PAP is a by-product of secondary sulfur assimilation, generated by SULFOTRANSFERASES (SOTs) upon transferring of the sulfate group from 3’-phosphoadenosine 5’-phosphosulfate (PAPS) to sulfate acceptor molecules. PAP is efficiently degraded by the SAL1 phosphatase into inorganic phosphate and adenosine...[Show more]

CollectionsOpen Access Theses
Date published: 2015
Type: Thesis (PhD)
DOI: 10.25911/5d78d4922ebaa


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