Three New Azaphilone Phytotoxins from Coculture of the Phytopathogens Nigrospora oryzae and Colletotrichum gloeosporioides and Antifungal Activities Against N. oryzae

被引：5
作者：
Wu, Ya-Mei [1 ]
Yang, Xue-Qiong [1 ]
Li, Shi-Yu [1 ]
Sun, Li-Jingfei [1 ]
Cen, Rong-Huan [1 ]
Zhao, Li-Xing [1 ]
Yang, Ya-Bin [1 ]
Ding, Zhong-Tao [1 ,2 ]
机构：
[1] Yunnan Univ, Sch Chem Sci & Technol, Key Lab Med Chem Nat Resources, Minist Educ,Funct Mol Anal & Biotransformat Key L, Kunming, Yunnan, Peoples R China
[2] Dali Univ, Coll Pharm, Dali 671003, Peoples R China
来源：
CHEMISTRY OF NATURAL COMPOUNDS | 2022年 / 58卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Dendrobium officinale; Nigrospora oryzae; Colletotrichum gloeosporioides; coculture; phytotoxin; host-phytopathogen interaction; antipathogen activity;
D O I：
10.1007/s10600-022-03814-7
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Three new azaphilone phytotoxins, named nigcollins F-H, were isolated from the coculture of the phytopathogens Nigrospora oryzae and Colletotrichum gloeosporioides. Phytotoxins and other metabolites also indicated antifungal activity against phytopathogens, endophytes, and entomopathogen. Interestingly, the production of phytotoxins by N. oryzae and its phytopathogenicity can be eliminated by coculture the phytopathogen N. oryzae with the host plant Dendrobium officinale. The host D. officinale could discriminate phytopathogens and probiotics by exhibiting selective antipathogen activity.
引用
收藏
页码：848 / 852
页数：5
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