{"title":"新型稻田除草剂 Dimesulfazet 是一种超长链脂肪酸生物合成抑制剂","authors":"Takamasa Furuhashi, Masato Otani, Mami Iwasa","doi":"10.1584/jpestics.d23-036","DOIUrl":null,"url":null,"abstract":"</p><p>Dimesulfazet can control annual and perennial sedges in rice paddies. Here we assessed its mode of action. We performed a phenotype assay of <i>Arabidopsis</i>, conducted a metabolomic analysis of <i>Echinochloa crus-galli</i>, and analyzed the endogenous concentration of very long-chain fatty acids (VLCFAs) in <i>Schoenoplectiella juncoides</i>. Dimesulfazet treatment caused curling and greening symptoms in the leaves and <i>fiddlehead</i>-like symptoms in the inflorescences of <i>Arabidopsis</i>. These symptoms were visually indistinguishable from those caused by flufenacet and benfuresate, which belong to Herbicide Resistance Action Committee (HRAC) Group 15. We performed GC-MS/MS analysis of primary metabolites and LC-MS analysis of lipids in the herbicide-treated <i>E. crus-galli</i>, followed by Orthogonal Partial Least Squares Discriminant Analysis clustering. The results showed that dimesulfazet belongs to the HRAC Group 15 cluster. The endogenous concentrations of C24:0, C26:0, and C28:0 decreased in dimesulfazet-treated plants as compared to those in the control. Overall, the mode of action of dimesulfazet involves the inhibition of VLCFA biosynthesis.</p>\n<p></p>\n<img alt=\"\" src=\"https://www.jstage.jst.go.jp/pub/jpestics/advpub/0/advpub_D23-036/figure/advpub_D23-036.png\"/>\n<span style=\"padding-left:5px;\">Fullsize Image</span>","PeriodicalId":16712,"journal":{"name":"Journal of Pesticide Science","volume":null,"pages":null},"PeriodicalIF":1.5000,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Dimesulfazet, a novel rice paddy herbicide, is an inhibitor of very long-chain fatty acid biosynthesis\",\"authors\":\"Takamasa Furuhashi, Masato Otani, Mami Iwasa\",\"doi\":\"10.1584/jpestics.d23-036\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"</p><p>Dimesulfazet can control annual and perennial sedges in rice paddies. Here we assessed its mode of action. We performed a phenotype assay of <i>Arabidopsis</i>, conducted a metabolomic analysis of <i>Echinochloa crus-galli</i>, and analyzed the endogenous concentration of very long-chain fatty acids (VLCFAs) in <i>Schoenoplectiella juncoides</i>. Dimesulfazet treatment caused curling and greening symptoms in the leaves and <i>fiddlehead</i>-like symptoms in the inflorescences of <i>Arabidopsis</i>. These symptoms were visually indistinguishable from those caused by flufenacet and benfuresate, which belong to Herbicide Resistance Action Committee (HRAC) Group 15. We performed GC-MS/MS analysis of primary metabolites and LC-MS analysis of lipids in the herbicide-treated <i>E. crus-galli</i>, followed by Orthogonal Partial Least Squares Discriminant Analysis clustering. The results showed that dimesulfazet belongs to the HRAC Group 15 cluster. The endogenous concentrations of C24:0, C26:0, and C28:0 decreased in dimesulfazet-treated plants as compared to those in the control. Overall, the mode of action of dimesulfazet involves the inhibition of VLCFA biosynthesis.</p>\\n<p></p>\\n<img alt=\\\"\\\" src=\\\"https://www.jstage.jst.go.jp/pub/jpestics/advpub/0/advpub_D23-036/figure/advpub_D23-036.png\\\"/>\\n<span style=\\\"padding-left:5px;\\\">Fullsize Image</span>\",\"PeriodicalId\":16712,\"journal\":{\"name\":\"Journal of Pesticide Science\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2024-04-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Pesticide Science\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://doi.org/10.1584/jpestics.d23-036\",\"RegionNum\":4,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENTOMOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Pesticide Science","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1584/jpestics.d23-036","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENTOMOLOGY","Score":null,"Total":0}
Dimesulfazet, a novel rice paddy herbicide, is an inhibitor of very long-chain fatty acid biosynthesis
Dimesulfazet can control annual and perennial sedges in rice paddies. Here we assessed its mode of action. We performed a phenotype assay of Arabidopsis, conducted a metabolomic analysis of Echinochloa crus-galli, and analyzed the endogenous concentration of very long-chain fatty acids (VLCFAs) in Schoenoplectiella juncoides. Dimesulfazet treatment caused curling and greening symptoms in the leaves and fiddlehead-like symptoms in the inflorescences of Arabidopsis. These symptoms were visually indistinguishable from those caused by flufenacet and benfuresate, which belong to Herbicide Resistance Action Committee (HRAC) Group 15. We performed GC-MS/MS analysis of primary metabolites and LC-MS analysis of lipids in the herbicide-treated E. crus-galli, followed by Orthogonal Partial Least Squares Discriminant Analysis clustering. The results showed that dimesulfazet belongs to the HRAC Group 15 cluster. The endogenous concentrations of C24:0, C26:0, and C28:0 decreased in dimesulfazet-treated plants as compared to those in the control. Overall, the mode of action of dimesulfazet involves the inhibition of VLCFA biosynthesis.
期刊介绍：
The Journal of Pesticide Science publishes the results of original research regarding the chemistry and biochemistry of pesticides including bio-based materials. It also covers their metabolism, toxicology, environmental fate and formulation.
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