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Mortality, growth and metabolic responses by H-1-NMR-based metabolomics of earthworms to sodium selenite exposure in soils
Shao, Xiuqing1; He, Jiao2; Liang, Ruoyu3; Lu, Yonglong; Shi, Yajuan; Wang, Yu1; Zheng, Xiaoqi4; Zhang, Sheng4; Wang, Ting5
2019-10-15
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume181Pages:69-77
AbstractThe rapid development of selenium-enriched agriculture leads to the accumulation of selenium in the soil, which has an adverse impact on terrestrial ecosystems. In the present study, the mortality, growth inhibition rate and metabolism of earthworms were examined to investigate the toxicological effects of sodium selenite (Na2SeO3) on earthworms (Eisenia fetida) after exposuring for 14 days (d). We used H-1-NMR-based metabolomics to identify sensitive biomarkers and explored the metabolic responses of earthworms exposed to Na2SeO3. The mortality and growth inhibition rate of earthworms exposed to 70 and 90 mg/kg Na2SeO3 were significantly higher than the rate of control group. The LC50 (the median lethal concentration) of Na2SeO3 was 57.4 mg/kg in this artificial soil test of E. fetida exposed to Na2SeO3 for 14 d. However, there was no significant differences when earthworms were exposed to different concentrations of Na2SeO3. The selected metabolic markers were ATP, lactic acid, leucine, alanine, valine, glycine, glutamic acid, lysine, alpha-glucose and betaine. Na2SeO3 affected the metabolic level of earthworms, as the percentage of metabolic markers in the earthworm changes when exposed to different concentrations of Na2SeO3. The metabolic disturbances were greater with increasing concentrations of Na2SeO3. The differential metabolic markers were significantly changed when exposed to Na2SeO3 comparing to those in the control group, affecting the tricarboxylic acid cycle process and breaking the metabolic balance. This study showed that Na2SeO3 had toxic effect on the growth and development of earthworms. In addition, this study provided a biochemical insights for the development of selenium-enriched agriculture.
Department城市与区域生态国家重点实验室
KeywordSodium selenite Eisenia fetida mortality Growth inhibition rate Metabolites Metabolomic
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42438
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
2.Shanxi Univ, Coll Chem & Chem Engn, Taiyuan 030000, Shanxi, Peoples R China
3.Liupanshui City Environm Protect Bur, Liupanshui 553000, Peoples R China
4.Univ Sheffield, Western Bank, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England
5.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100059, Peoples R China
6.Shanxi Univ, Inst Loess Plateau, Taiyuan 030000, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Shao, Xiuqing,He, Jiao,Liang, Ruoyu,et al. Mortality, growth and metabolic responses by H-1-NMR-based metabolomics of earthworms to sodium selenite exposure in soils[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,181:69-77.
APA Shao, Xiuqing.,He, Jiao.,Liang, Ruoyu.,Lu, Yonglong.,Shi, Yajuan.,...&Wang, Ting.(2019).Mortality, growth and metabolic responses by H-1-NMR-based metabolomics of earthworms to sodium selenite exposure in soils.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,181,69-77.
MLA Shao, Xiuqing,et al."Mortality, growth and metabolic responses by H-1-NMR-based metabolomics of earthworms to sodium selenite exposure in soils".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 181(2019):69-77.
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