New Alkylitaconic Acid Derivatives from Nodulisporium sp. A21 and Their Auxin Herbicidal Activities on Weed Seeds

Journal of Agricultural and Food Chemistry
Lingling CaoYonghao Ye

Abstract

Five alkylitaconic acid (AA) derivatives, including two novel compounds, epideoxysporothric acid (2) and sporochartine F (5), and three known compounds, deoxysporothric acid (1), deoxyisosporothric acid (3), and 1-undecen-2,3-dicarboxylic acid (4), were obtained from the fermentation culture of the endophytic fungus Nodulisporium sp. A21. The auxin herbicidal activities of compounds 1-4 against weed seeds were investigated under laboratory conditions. In general, the tested compounds displayed radicle growth promoting activity at low doses and inhibitory activity at higher doses. Compounds 1 and 2 could significantly inhibit the radicle growth of dicotyledon weeds, Eclipta prostrata and Veronica persica, at a concentration range from 50 to 200 μg mL-1, while 3 notably stimulated radicle growth at the same concentration range. The results suggested that these AA derivatives have the potential to be used as the lead scaffold for novel auxin herbicide development. In addition, the biosynthetic pathways of 1-4 were deduced based on 13C labeling experiment.

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Citations

Jul 28, 2019·FEMS Microbiology Letters·Babar KhanYonghao Ye
Sep 19, 2020·Applied Microbiology and Biotechnology·Mei SanoYuji Aso
Feb 6, 2020·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Mariana S MouraOlívia M Sampaio
Apr 2, 2021·Journal of Agricultural and Food Chemistry·You LvZhijin Fan
Oct 17, 2020·Journal of Applied Microbiology·Y AsoK Wada
Dec 9, 2020·Journal of Agricultural and Food Chemistry·Shuangshuang ZhaoYonghao Ye
Dec 4, 2019·Journal of Agricultural and Food Chemistry·Zhaofu WangFengyu Du
Sep 26, 2020·Journal of Agricultural and Food Chemistry·Shichao XuZhendong Zhao

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