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Molecular characterization and transcriptional response to TiO2-GO nanomaterial exposure of two molt-related genes in the juvenile prawn, Macrobrachium rosenbergii

文献类型： 外文期刊

作者： Guo, Ziqi 1 ; Xu, Likun 1 ; Wang, Wei 1 ; Chen, Wei 1 ; Ma, Chunyan 1 ; Zhang, Fengying 1 ; Ma, Lingbo 1 ; Liu, Zhiqiang 1 ; Ma, Keyi 1 ;

作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab East China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, 300 Jungong Rd,Yangpu Area, Shanghai 200090, Peoples R China

2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Pudong New Area, Shanghai 201306, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.6； 五年影响因子：4.9 ）

ISSN： 2045-2322

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： In recent years, with the widespread use of TiO2-GO nanocomposite in industry, especially in the remediation of water environments, its toxic effects on aquatic organisms have received increasing attention. As molting is extremely important for crustaceans in their growth, in this study, we cloned the full-length cDNA sequences of two key genes related to molting, nuclear hormone receptor E75 (E75) and nuclear hormone receptor HR3 (HR3), in Macrobrachium rosenbergii, examined the gene expression profile, and investigated their toxicological effects on crustacean molting through nanomaterial exposure. The amino acid sequences for E75 and HR3 were respectively determined to encode 1138 and 363 acid residues. Sequence analysis showed that both E75 and HR3 contain a HOLI domain, with the E75 of M. rosenbergii being more closely related to the E75 of Palaemon carinicauda. These two genes were expressed at the highest levels in muscle, followed by hepatopancreas. The results showed that the expressions of E75 and HR3 in hepatopancreas and muscle tissues were significantly decreased after exposure to 0.1 mg/L of TiO2-GO composite nanoparticles (P<0.05). This study will serve as a foundation for subsequent research into the evaluation of nanomaterial toxicity on crustacean species.

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