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PMID: 24253949 Published · ppublish English Journal Article

Changes in levels of transcripts in endosperms of castor beans treated with exogenous gibberellic acid.

Planta ·Vol. 162 ·No. 1 ·1984-09-00 ·Pages 68-76

Martin C, Beeching JR, Northcote DH

Abstract

A complementary-DNA library to mRNA from castor-bean endosperm has been prepared. Three clones have been examined in detail. One of these is complementary to isocitrate-lyase mRNA. The other two clones code for proteins with M r , 42000 and 38000. All three clones have been used to measure levels of transcripts during seed germination. The three transcripts all increased during germination and the rate of their appearance is stimulated by exogenous GA3. The data strongly support the view that the action of GA3 in these seeds is to stimulate non-specifically the rate of transcription and, in turn, protein synthesis. Possible mechanisms for the action of the growth regulator are discussed.

Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Martin C
Department of Biochemistry, University of Cambridge, Tennis Court Road, CB2 1QW, Cambridge, UK.
Beeching J R
Northcote D H
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Article Info
Journal
Planta
Abbr.
Planta
ISSN
0032-0935
DOI
10.1007/BF00397423
Published
1984-09-00
Pages
68-76
Language
English
Region
Germany
NLM ID
1250576
External Links
PubMed source DOI: 10.1007/BF00397423 View journal details
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