Features of Tri101, the trichothecene 3-O-acetyltransferase gene, related to the self-defense mechanism in Fusarium graminearum

被引：37

作者：

Kimura, M

Shingu, Y

Yoneyama, K

Yamaguchi, I

机构：

[1] Inst Phys & Chem Res, Microbial Toxicol Lab, Wako, Saitama 3510198, Japan

[2] Meiji Univ, Fac Agr, Plant Pathol Lab, Tama Ku, Kawasaki, Kanagawa 214, Japan

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 1998年 / 62卷 / 05期

关键词：

Fusarium mycotoxin; trichothecene biosynthesis; resistance gene; cosmid clones; transcription regulatory gene;

D O I：

10.1271/bbb.62.1033

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：

A structural gene of Tri101, which encodes trichothecene 3-O-acetyltransferase, was isolated as a 3-kb XTroI-XbaI fragment from the trichothecene producer Fusarium graminearum strain F15. The gene contained no introns, and the coding region was 0.7-kb downstream of a putative UTP-ammonia ligase gene which obviously is not related to the biosynthesis of trichothecenes. Tri101 was expressed when T-2 toxin was added, but this induction was not dependent on the expression level of Tri6, a transcription activator gene in the trichothecene biosynthetic and regulatory gene cluster.

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页码：1033 / 1036

页数：4

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