具有酰肼部分的昆虫生长调节剂抑制水稻中三羟内酯的生物合成

IF 1.5 4区农林科学 Q2 ENTOMOLOGY

Journal of Pesticide Science Pub Date : 2022-02-20 DOI:10.1584/jpestics.D21-063

Kojiro Kawada, Yasuyuki Sasaki, T. Asami, S. Yajima, S. Ito

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引用次数: 2

摘要

Strigolactones（SL）是类胡萝卜素衍生的植物激素，参与多种生长发育过程。此外，SL是诱导根寄生植物种子发芽和丛枝菌根真菌菌丝分枝的化感物质。在本研究中，为了鉴定抑制SL生物合成的新型先导化学品，我们评估了农用化学品对SL生物合成的影响。我们发现，昆虫生长调节剂二酰肼chromafenozide降低了水稻中主要SL 4-脱氧欧班醇（4DO）的内源水平。此外，用同一类昆虫生长调节剂甲氧基苯并咪唑处理也降低了水稻根系分泌物中的4DO水平。这些结果表明，色马菲酰肼和甲氧基非诺肼是SL生物合成的新的主要抑制剂。

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Insect growth regulators with hydrazide moiety inhibit strigolactone biosynthesis in rice

Strigolactones (SLs) are carotenoid-derived plant hormones involved in several growth and developmental processes. Also, SLs are allelochemicals that induce the seed germination of root parasitic plants and the hyphal branching of arbuscular mycorrhizal fungi. In this study, to identify novel lead chemicals that inhibit SL biosynthesis, we evaluated the effect of agrochemicals on SL biosynthesis. We found that the diacylhydrazine insect growth regulator, chromafenozide, reduced the endogenous level of 4-deoxyorobanchol (4DO), a major SL in rice. Furthermore, treatment with the same class of insect growth regulator, methoxyfenozide, also resulted in the reduction of 4DO levels in rice root exudates. These results suggest that chromafenozide and methoxyfenozide are novel lead inhibitors of SL biosynthesis.

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来源期刊

Journal of Pesticide Science 农林科学-昆虫学

CiteScore

4.30

自引率

4.20%

发文量

审稿时长

18-36 weeks

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.