EXCISION OF THE EN/SPM TRANSPOSABLE ELEMENT OF ZEA-MAYS REQUIRES 2 ELEMENT-ENCODED PROTEINS

被引:88
作者
FREY, M
REINECKE, J
GRANT, S
SAEDLER, H
GIERL, A
机构
关键词
model of transposition; mutator function; transgenic tobacco;
D O I
10.1002/j.1460-2075.1990.tb07625.x
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
An excision assay system for En/Spm was developed in transgenic tobacco. The characteristics of excision and integration are similar to the natural system of Zea mays. In this transgenic model system two En/Spm encoded trans-acting functions, TNPA and TNPD, are required for excision. A biochemical model for transposition is proposed that might also be applicable to other transposable elements.
引用
收藏
页码:4037 / 4044
页数:8
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