Comparative proteomic and physiological analyses reveal tribenuron-methyl phytotoxicity and nontarget-site resistance mechanisms in Brassica napus
文献类型： 外文期刊
作者： Hu, Maolong 1 ; Zhang, Hongkun 2 ; Kong, Lingna 2 ; Ma, Juanjuan 1 ; Wang, Ting 1 ; Lu, Xinyu 1 ; Guo, Yue 1 ; Zhang, Jiefu 1 ; Guan, Rongzhan 2 ; Chu, Pu 2 ;
作者机构： 1.Minist Agr & Rural Affairs, Inst Ind Crops, Jiangsu Acad Agr Sci, Key Lab Cotton & Rapeseed, Nanjing, Peoples R China
2.Nanjing Agr Univ, Coll Agr, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, Natl Key Lab Crop Genet & Germplasm Enhancement &, Nanjing, Peoples R China
3.Jiangsu Univ, Inst Life Sci, Zhenjiang, Peoples R China
4.Jiangsu Acad Agr Sci, Prov Key Lab Agrobiol, Nanjing, Peoples R China
5.Nanjing Agr Univ, Coll Agr, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, Natl Key Lab Crop Genet & Germplasm Enhancement &, Nanjing 210095, Peoples R China
关键词： acetolactate synthase; herbicide resistance; iTRAQ; rapeseed
期刊名称：PLANT CELL AND ENVIRONMENT （ 影响因子：7.3； 五年影响因子：8.1 ）
ISSN： 0140-7791
年卷期： 2023 年 46 卷 7 期
页码：
收录情况： SCI
摘要： The application of herbicides is the most effective strategy for weed control and the development of herbicide-resistant crops will facilitate the weed management. The acetolactate synthase-inhibiting herbicide, tribenuron-methyl (TBM), is broadly used for weed control. However, its application in rapeseed field is restricted since rapeseed is sensitive to TBM. Herein, an integrated study of cytological, physiological and proteomic analysis of the TBM-resistant rapeseed mutant M342 and its wild-type (WT) plants was conducted. After TBM spraying, M342 showed improved tolerance to TBM, and proteins implicated in non-target-site resistance (NTSR) to herbicides had a significantly higher level in M342 as compared with the WT. Differentially accumulated proteins (DAPs) between these two genotypes were enriched in glutathione metabolism and oxidoreduction coenzyme metabolic process, which protected the mutant from oxidative stress triggered by TBM. Important DAPs related to stress or defence response were up-accumulated in M342 regardless of the TBM treatment, which might serve as the constitutive part of NTSR to TBM. These results provide new clues for further exploration of the NTSR mechanism in plants and establish a theoretical basis for the development of herbicide-resistant crops.
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