A new auxin-inhibiting substance, 4-Cl-6,7-dimethoxy-2-benzoxazolinone, from light-grown maize shoots

被引：24

作者：

Anai, T ^{[1
]}

Aizawa, H ^{[1
]}

Ohtake, N ^{[1
]}

Kosemura, S ^{[1
]}

Yamamura, S ^{[1
]}

Hasegawa, K ^{[1
]}

机构：

[1] KEIO UNIV,FAC SCI & TECHNOL,DEPT CHEM,YOKOHAMA,KANAGAWA 223,JAPAN

来源：

PHYTOCHEMISTRY | 1996年 / 42卷 / 02期

关键词：

Zea mays; Gramineae; maize shoots; auxin-inhibiting substance, 4-Cl-6,7-dimethoxy-2-benzoxazolinone;

D O I：

10.1016/0031-9422(95)00986-8

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：

Two auxin-inhibiting substances were isolated from light-grown maize shoots. One was a new compound and determined from its spectral data as 4-Cl-6,7-dimethoxy-2-benzoxazolinone (Cl-DMBOA). Another was identified from its spectral data as a known compound, 6,7-dimethoxy-2-benzoxazolinone (DMBOA). Above concentrations of 10(-5) M, Cl-DMBOA inhibited the auxin-inducing elongation in the Avena coleoptile section test. Its inhibitory activity was almost comparable to that of DMBOA and higher than that of 6-methoxy-2-benzoxazolinone (MBOA) which we previously isolated.

引用

页码：273 / 275

页数：3

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