IDENTIFICATION OF A CLONED CYTOKININ BIOSYNTHETIC GENE

IDENTIFICATION OF A CLONED CYTOKININ BIOSYNTHETIC GENE
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DOI:
10.1073/pnas.81.15.4776
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发表时间:
1984-01-01
期刊:
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子:
--
通讯作者:
BRAND, L
BRAND, L
中科院分区:
其他
文献类型:
--
作者:
BARRY, GF;ROGERS, SG;BRAND, L

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Ti质粒的一个小区域(tmr位点)被克隆并在大肠杆菌中表达,该区域被认为与农杆菌转化的植物组织中的植物激素代谢有关。酶分析表明,tmr位点编码异戊烯基转移酶,这种酶催化细胞分裂素生物合成的第一步。
A small region of the Ti plasmid (the tmr locus), thought to be involved in phytohormone metabolism in Agrobacterium tumefaciens-transformed plant tissue, was cloned and expressed in Escherichia coli. By enzyme assay, the tmr locus was shown to encode isopentenyltransferase, an enzyme that catalyzes the 1st step in cytokinin biosynthesis.