Isolation and Identification of Herbicidal Active Compounds from Brassica oleracea L. and Exploration of the Binding Sites of Brassicanate A Sulfoxide

Author:

Wang Yu1ORCID,Liu Wanyou1,Dong Baozhu1,Wang Dong1,Nian Yin2,Zhou Hongyou1

Affiliation:

1. College of Horticulture and Plant Protection, Inner Mongolia Agricultural University, Hohhot 010020, China

2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China

Abstract

Brassica oleracea L. has strong allelopathic effects on weeds. However, the allelochemicals with herbicidal activity in B. oleracea L. are still unknown. In this study, we evaluated the activity of allelochemicals isolated from Brassica oleracea L. based on the germination and growth of model plant Lactuca sativa Linn., grass weed Panicum miliaceum, and broadleaf weed Chenopodium album. Additionally, we employed molecular docking to predict the binding of brassicanate A sulfoxide to herbicide targets. The results of this study showed that eight compounds with herbicidal activity were isolated from B. oleracea L., and the predicted results indicated that brassicanate A sulfoxide was stably bound to dihydroxyacid dehydratase, hydroxymethylpyruvate dioxygenase, acetolactate synthase, PYL family proteins and transport inhibitor response 1. This research provides compound sources and a theoretical foundation for the development of natural herbicides.

Funder

China Agriculture Research System

Inner Mongolia Science and Technology Major Special Project on Oat New Variety Selection and Breeding, Green Cultivation Technology and Nutritional Function Products Research and Demonstration

Central Fund for Guiding Local Science and Technology Devel-opment, Research on Green Production of Raw Oat Grains and Processing Technology of High-Quality Compound Fine Feed

Application and Promotion of Green Planting Technology of Mixed Cereal Crops in Qingshui River

Publisher

MDPI AG

Subject

Plant Science,Ecology,Ecology, Evolution, Behavior and Systematics

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