期刊
JOURNAL OF PROTEOMICS
卷 139, 期 -, 页码 67-76出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jprot.2016.03.012
关键词
Algae; iTRAQ; Cypermethrin; Photosynthesis; Carbohydrate metabolism; Stress responsive
Cypermethrin (CYP) is one of the most widely used pesticides in large scale for agricultural and domestic purpose and the residue often seriously affects aquatic system. Environmental pollutant-induced protein changes in organisms could be detected by proteomics, leading to discovery of potential biomarkers and understanding of mode of action. While proteomics investigations of CYP stress in some animal models have been well studied, few reports about the effects of exposure to CYP on algae proteome were published. To determine CYP effect in algae, the impact of various dosages (0.001 mu g/L, 0.01 mu g/L and 1 mu g/L) of CYP on green algae Chlorella vulgaris for 24 h and 96 h was investigated by using iTRAQ quantitative proteomics technique. A total of 162 and 198 proteins were significantly altered after CYP exposure for 24 h and 96 h, respectively. Overview of iTRAQ results indicated that the influence of CYP on algae protein might be dosage-dependent. Functional analysis of differentially expressed proteins showed that CYP could induce protein alterations related to photosynthesis, stress responses and carbohydrate metabolism. This study provides a comprehensive view of complex mode of action of algae under CYP stress and highlights several potential biomarkers for further investigation of pesticide exposed plant and algae. (C) 2016 Elsevier B.V. All rights reserved.
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