TRANSCRIPTION FACTORS IN PLANT-GROWTH AND DEVELOPMENT

被引:60
作者
RAMACHANDRAN, S [1 ]
HIRATSUKA, K [1 ]
CHUA, NH [1 ]
机构
[1] ROCKEFELLER UNIV, PLANT MOLEC BIOL LAB, NEW YORK, NY 10021 USA
关键词
D O I
10.1016/0959-437X(94)90129-Q
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The target DNA sequences of several classes of plant transcription factors, including basic leucine zipper (bZIP) proteins and Myb-related factors, have been characterized in vivo as well as in vitro. The bZIP proteins, for example, act at ACGT elements, the flanking nucleotides determining their binding specificities. Overexpression, co-suppression, and antisense technology studies of factor genes in transgenic plants have uncovered the roles of bZIP, homeodomain, and MADS box factors in plant growth and development; for example, ectopic expression of pMADS1 alone in early Petunia development is sufficient for homeotic conversion of sepals into petaloid organs.
引用
收藏
页码:642 / 646
页数:5
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