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PMID: 16668059 Published · ppublish English Journal Article

Molecular cloning and expression of abscisic Acid-responsive genes in embryos of dormant wheat seeds.

Plant physiology ·Vol. 95 ·No. 3 ·1991-03-00 ·Pages 814-21

Morris CF, Anderberg RJ, Goldmark PJ, Walker-Simmons MK

Abstract

Hydrated dormant cereal seeds do not germinate even when environmental conditions are favorable for germination. By using cDNA cloning and differential screening, we have identified mRNAs from five gene families that are abundant in the embryos of imbibed, but developmentally arrested wheat (Triticum aestivum L.) seeds. Gene transcript levels of these mRNAs are maintained and even increase in embryos of imbibed dormant seeds for as long as the seeds remain dormant. In contrast, transcript levels decline in nondormant seeds after imbibition and disappear as germination occurs. All the identified genes are ABA responsive. Based on these data we conclude that wheat seeds in the hydrated dormant state exhibit prolonged expression of ABA-responsive genes.

Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Morris C F
U.S. Department of Agriculture/Agricultural Research Service, Wheat Genetics, Quality, Physiology and Disease Research, Washington State University, Pullman, Washington 99164-6420.
Anderberg R J
Goldmark P J
Walker-Simmons M K
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Article Info
Journal
Plant physiology
Abbr.
Plant Physiol
ISSN
0032-0889
DOI
10.1104/pp.95.3.814
Published
1991-03-00
Pages
814-21
Language
English
Region
United States
NLM ID
0401224
PMCID
PMC1077611
External Links
PubMed source DOI: 10.1104/pp.95.3.814 PMC Full Text View journal details
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