Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

doi:10.1016/S2095-3119(13)60295-6

Journal of Integrative Agriculture ›› 2013, Vol. 12 ›› Issue (6): 1026-1032.DOI: 10.1016/S2095-3119(13)60295-6

Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

ZHANG Li-hui, ZHANG Jin-lin, LIU Ying-chao, CAO Zhi-yan, HAN Jian-min, YANG Juan , DONG Jingao

Mycotoxin and Molecular Plant Pathology Lab, Agricultural University of Hebei, Baoding 071001, P.R.China

收稿日期:2012-11-15 出版日期:2013-06-01 发布日期:2013-06-09
通讯作者: Correspondence DONG Jin-gao, Tel: +86-312-7528266, Fax: +86-312-7528266, E-mail: dongjingao@126.com
作者简介:ZHANG Li-hui, E-mail: zhanglihui@hebau.edu.cn
基金资助:
This research was supported by the grants from the National High Technology Research and Development Program of China (2011AA10A206) and the National Natural Science Foundation of China (31171877).

Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

ZHANG Li-hui, ZHANG Jin-lin, LIU Ying-chao, CAO Zhi-yan, HAN Jian-min, YANG Juan , DONG Jingao

Mycotoxin and Molecular Plant Pathology Lab, Agricultural University of Hebei, Baoding 071001, P.R.China

Received:2012-11-15 Online:2013-06-01 Published:2013-06-09
Contact: Correspondence DONG Jin-gao, Tel: +86-312-7528266, Fax: +86-312-7528266, E-mail: dongjingao@126.com
About author:ZHANG Li-hui, E-mail: zhanglihui@hebau.edu.cn
Supported by:
This research was supported by the grants from the National High Technology Research and Development Program of China (2011AA10A206) and the National Natural Science Foundation of China (31171877).

摘要/Abstract

摘要： Natural herbicides, or environment-friendly bioherbicides have been attracted more and more attentions. Isolation and structural identification of natural herbicide-active compounds from plant pathogens has been proved to be an effective approach for novel lead discovery of the pesticide development. In this study, the metabolites of the mutant strain PAM1, which obtained from PA1 of Pythium aphanidermatum (Eds.) Fitzp by ultraviolet radiation were separated and identified by HPLC, NMR, and IR. The results revealed that three active compounds including 4-hydroxy-3-methoxycinnamic acid and two indole derivatives, exhibited inhibition activity on the elongation of radical and coleoptile of Digtaria sanguinalis (L.) Scop.

关键词: herbicidal principles , compounds , P. aphanidermatum

Abstract: Natural herbicides, or environment-friendly bioherbicides have been attracted more and more attentions. Isolation and structural identification of natural herbicide-active compounds from plant pathogens has been proved to be an effective approach for novel lead discovery of the pesticide development. In this study, the metabolites of the mutant strain PAM1, which obtained from PA1 of Pythium aphanidermatum (Eds.) Fitzp by ultraviolet radiation were separated and identified by HPLC, NMR, and IR. The results revealed that three active compounds including 4-hydroxy-3-methoxycinnamic acid and two indole derivatives, exhibited inhibition activity on the elongation of radical and coleoptile of Digtaria sanguinalis (L.) Scop.

Key words: herbicidal principles , compounds , P. aphanidermatum

ZHANG Li-hui, ZHANG Jin-lin, LIU Ying-chao, CAO Zhi-yan, HAN Jian-min, YANG Juan , DONG Jingao. Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum[J]. Journal of Integrative Agriculture, 2013, 12(6): 1026-1032.

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Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

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