Origin of floral asymmetry in Antirrhinum

被引：651

作者：

Luo, D ^{[1
]}

Carpenter, R ^{[1
]}

Vincent, C ^{[1
]}

Copsey, L ^{[1
]}

Coen, E ^{[1
]}

机构：

[1] JOHN INNES CTR PLANT SCI RES,DEPT GENET,NORWICH NR4 7UH,NORFOLK,ENGLAND

来源：

NATURE | 1996年 / 383卷 / 6603期

关键词：

D O I：

10.1038/383794a0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Dorsoventral asymmetry in flowers is thought to have evolved many times from a radially symmetrical ancestral condition. The first gene controlling floral asymmetry, cycloidea in Antirrhinum, has been isolated. The cycloidea gene is expressed at a very early stage in dorsal regions of floral meristems, where it affects growth rate and primordium initiation. Expression continues through to later stages in dorsal primordia to affect the asymmetry, size and cell types of petals and stamens.

引用

页码：794 / 799

页数：6

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