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Zinc Stress Alters Sugar Content in Rice Plants and the Reproduction and Trehalose Metabolism in Nilaparvata lugens

文献类型： 外文期刊

作者： Liu, Yong-Kang 1 ; Xu, Cai-Di 2 ; Zheng, Xu-Song 1 ; Chao, Lei 2 ; Zhou, Yan-Fei 2 ; Li, Guo-Yong 3 ; Wu, Yan 3 ; Bai, Xue-Lian 2 ; Zhou, Ting 2 ; Tang, Bin 2 ; Xu, Hong-Xing 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Treats Qual & S, Hangzhou 310021, Peoples R China

2.Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 310036, Peoples R China

3.Guiyang Univ, Dept Biol & Engn Environm, Guizhou Prov Key Lab Rare Anim & Econ Insect Mount, Guiyang 550005, Peoples R China

关键词： carbohydrate metabolism; fecundity; heavy metal; pest; planthopper; agriculture

期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）

ISSN：

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Excessive zinc (Zn) is toxic to plants, but the effect of zinc-stressed plants on herbivorous insects is still unclear. Hence, we assessed the effect of zinc-stressed rice plants on its feeding pest, Nilaparvata lugens. The soil-rice-N. lugens system was treated with Zn2+ solution. Sugar content in rice was measured, and the reproduction and trehalose metabolism in N. lugens were assessed. The trehalase activity in rice significantly decreased at 100 mg center dot kg(-1) Zn2+, and the trehalose content increased. The glucose and starch content increased at higher Zn2+ concentrations. The fecundity and trehalose content of N. lugens decreased after feeding on zinc-stressed rice, and the glucose content in the high Zn2+ group was significantly higher than that in the low Zn2+ group. In addition, the soluble trehalase activity of N. lugens significantly decreased under the 125 mg center dot kg(-1) treatment, while the activity of membrane-bound trehalase significantly increased under the 150 mg center dot kg(-1) treatment. Quantitative RT-PCR indicated significantly lower expressions of NlTre1-1, NlTre2, and NITps after Zn treatment. In conclusion, Zn2+ treatment significantly altered the sugar content in rice plants; it also decreased the fecundity of N. lugens, which may be mediated by alterations in trehalose metabolism.

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