A molecular study of dormancy breaking and germination in seeds of Trollius ledebouri

被引：16

作者：

Bailey, PC ^{[1
]}

Lycett, GW ^{[1
]}

Roberts, JA ^{[1
]}

机构：

[1] UNIV NOTTINGHAM, FAC AGR & FOOD SCI, DEPT PHYSIOL & ENVIRONM SCI, LOUGHBOROUGH LE12 5RD, LEICS, ENGLAND

来源：

PLANT MOLECULAR BIOLOGY | 1996年 / 32卷 / 03期

关键词：

gene expression; Trollius ledebouri; germination; glucose/ribitol dehydrogenase; glutathione S-transferase; late embryogenesis abundant; seed dormancy;

D O I：

10.1007/BF00019110

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A cDNA library was generated from seeds of Trollius ledebouri cv. Golden Queen after GA(3) treatment. Five clones encoded mRNAs which were down-regulated during dormancy breaking and the initial stages of germination. Two of these showed homology to storage proteins (pPCB3 and pPCB4) and one each to the late-embryogenesis-abundant (LEA) group 2 dehydrin proteins (pPCB2), a barley glucose dehydrogenase (pPCB6) and the glutathione S-transferase (GST) superfamily (pPCB7). Transcript levels declined over 8 days in GA(3)-treated seeds. In dormant imbibed seeds transcript levels were relatively unchanged over the same period except for the PCB3 transcript, the level of which increased.

引用

页码：559 / 564

页数：6

共 37 条

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