The expression of an abscisic acid-responsive glycine-rich protein coincides with the level of seed dormancy in Fagus sylvatica

被引：47

作者：

Nicolás, C ^{[1
]}

Rodríguez, D

Poulsen, F

Eriksen, EN

Nicolás, G

机构：

[1] Univ Salamanca, Fac Biol, Dept Biol Vegetal Fisiol Vegetal, E-37007 Salamanca, Spain

[2] Royal Vet & Agr Univ, Dept Agr Sci, Sect Hort, DK-1958 Frederiksberg C, Denmark

来源：

PLANT AND CELL PHYSIOLOGY | 1997年 / 38卷 / 12期

关键词：

abscisic acid; beechnut (Fagus sylvatica L.); gibberellic acid; Glycine-Rich protein; LEA proteins; seed dormancy;

D O I：

10.1093/oxfordjournals.pcp.a029122

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

By differential screening of a cDNA library constructed from poly (A(+)) RNA of ABA-treated seeds of Fagus sylvatica L., we have isolated an ABA-responsive clone that is present in dormant seeds and under conditions that maintain dormancy, but it tends to disappear under conditions breaking seed dormancy. A search of the sequence data bases showed that the clone codes for a Glycine-Rich Protein and has sequence similarity to RNA-binding proteins, The clone, which exibits the characteristics of lea-genes, is up-regulated by ABA and down-regulated by GA(3). Paclobutrazol abolishes the effect of GA(3), which is restored upon addition of GA(3). The possible relationship of this Glycine-Rich Protein to seed dormancy in F. sylvatica is discussed.

引用

页码：1303 / 1310

页数：8

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