Antifungal activity of Biscogniauxia sp culture filtrates against the rice pathogen Magnaporthe oryzae

被引：4

作者：

Quyet Thi Nguyen ^{[1
]}

Ueda, Kana ^{[1
]}

Tamura, Tomoko ^{[1
]}

Kihara, Junichi ^{[1
]}

Ueno, Makoto ^{[1
]}

机构：

[1] Shimane Univ, Fac Life & Environm Sci, Plant Pathol Lab, Matsue, Shimane 6908504, Japan

来源：

JOURNAL OF GENERAL PLANT PATHOLOGY | 2017年 / 83卷 / 02期

关键词：

Antifungal compound; Magnaporthe oryzae; Culture filtrate; Biscogniauxia sp; PLANT;

D O I：

10.1007/s10327-017-0697-8

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

An ethyl acetate extract of a culture filtrate (ECF) from an unidentified fungal isolate O821 was evaluated for antifungal activity against the rice pathogen Magnaporthe oryzae. The O821-ECF significantly inhibited spore germination, appressorium formation, and mycelial growth of M. oryzae, and its antifungal activity was heat-stable. It also significantly suppressed the number and size of blast lesions. In an analysis of the ITS sequence of this isolate, it shared similarities with species of the fungus Biscogniauxia. These results suggest that isolate O821 of the genus Biscogniauxia produces a heat-stable antifungal compound(s) in its culture filtrate.

引用

页码：109 / 112

页数：4

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