Identification of Beauvericin，a Novel Mycotoxin from Fusarium oxysporum f. sp. cubense

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (11): 2092-2098.

• Fruit Trees • Previous Articles Next Articles

Identification of Beauvericin，a Novel Mycotoxin from Fusarium oxysporum f. sp. cubense

LI Chun-yu1,*，CHEN Shi2,*，ZUO Cun-wu1,*，KUANG Rui-bin1，and YI Gan-jun1,**

（1Institution of Fruit Tree Research，Guangdong Academy of Agricultural Sciences，Guangzhou 510640，China；2Fujian-Taiwan Horticulture Research Center，Fujian Academy of Agricultural Sciences，Zhangzhou，Fujian 363005，China）

Received:2011-05-23 Revised:2011-10-20 Online:2011-11-25 Published:2011-11-25
Contact: YI Gan-jun

Abstract

Abstract: The 28 isolates of Fusarium oxysporum f. sp. cubense（Foc）including Race 1 and 4 were collected from the banana Fusarium wilt diseases epidemic areas of Guangdong，Hainan，Guangxi，Fujian and Yunnan provinces. The secondary metabolites were analyzed by HPLC-ESI-MS. We found fusaric acid which the molecular weight is 179 Dalton and another compound with a molecular weight of 783 Dalton. The latter was purified and identified to be beauvericin by 1H-NMR. Experiments in vitro proved that the banana pseudostem rot caused by the beauvericin which was produced by Foc.

Key words: Fusarium wilt of banana, beauvericin, structure, toxicity

CLC Number:

S 668.1

LI Chun-yu;CHEN Shi;ZUO Cun-wu;KUANG Rui-bin;and YI Gan-jun;. Identification of Beauvericin，a Novel Mycotoxin from Fusarium oxysporum f. sp. cubense[J]. ACTA HORTICULTURAE SINICA, 2011, 38(11): 2092-2098.

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Identification of Beauvericin，a Novel Mycotoxin from Fusarium oxysporum f. sp. cubense

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