Metabonomic analysis of the haemolymph reveals the dual effects of dietary selenium supplementations on growth of silkworm Bombyx mori
文献类型： 外文期刊
作者： Zhang, R. 1 ; Peng, L. L. 1 ; Zhu, H. T. 1 ; Jiang, L. 1 ; Thakur, K. 1 ; Tang, S. M. 3 ; Hu, F. 1 ; Wei, Z. J. 1 ;
作者机构： 1.Hefei Univ Technol, Sch Food & Biol Engn, Hefei 230009, Peoples R China
2.North Minzu Univ, Sch Biol Sci & Engn, Yinchuan 750021, Ningxia, Peoples R China
3.Jiangsu Univ Sci & Technol, Sch Biotechnol, Jiangsu Key Lab Sericultural Biol & Biotechnol, Zhenjiang 212003, Jiangsu, Peoples R China
4.Chinese Acad Agr Sci, Sericultural Res Inst, Key Lab Silkworm & Mulberry Genet Improvement, Zhenjiang 212018, Jiangsu, Peoples R China
关键词： silkworm; selenium; metabonomics; liquid chromatography-mass spectrometry; metabolic pathway
期刊名称：JOURNAL OF INSECTS AS FOOD AND FEED （ 影响因子：5.1； 五年影响因子：5.1 ）
ISSN：
年卷期： 2023 年 9 卷 4 期
页码：
收录情况： SCI
摘要： Selenium (Se) is a vital micronutrient for the growth and development of organisms; however, its deficiency and toxicity pose worldwide challenges. Herein, we investigated the absorption, accumulation effect, and distribution of Se in silkworms, and tested the effect of Se feeding on the antioxidant indexes of silkworm haemolymph. Results showed that low concentrations of Se (50 mu M and 100 mu M) significantly increased the enzyme activities of catalase, glutathione peroxidase, glutathione Stransferase and superoxide dismutase in the silkworm haemolymph compared to control and 200 mu M group. In addition, metabonomic analysis could reveal the metabolic changes in silkworm haemolymph after treatment with different concentrations (50 mu M, and 200 mu M) of Se. Compared to un-treatment group, the amount of 90 metabolites in both of 50 mu M and the 200 mu M Se-treated groups displayed significant differences, with 50 up-regulated and 40 down-regulated in 50 mu M group, 36 up-regulated and 54 down-regulated in 200 mu M group, respectively. The main different metabolites were amino acids, carbohydrates, lipids, nucleotide metabolites and their derivatives. These results suggest that Se could affect the carbohydrate metabolism in silkworms. The difference in metabolites was subject to different changes under different concentrations of Se and consequently altered their metabolic functions to meet the required energy demands under the Se toxic stress conditions.
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