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A Na+/H+-Exchanger Gene from Penaeus monodon: Molecular Characterization and Expression Analysis under Ammonia Nitrogen Stress

文献类型： 外文期刊

作者： Li, Yundong 1 ; Jiang, Shigui 1 ; Fan, Hongdi 1 ; Yang, Qibin 1 ; Jiang, Song 1 ; Huang, Jianhua 1 ; Yang, Lishi 1 ; Zhang, Wenwen 1 ; Chen, Xu 2 ; Zhou, Falin 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China

2.Sanya Trop Fisheries Res Inst, Key Lab Efficient Utilizat & Proc Marine Fishery R, Sanya 572018, Peoples R China

3.Hainan Yazhou Bay Seed Lab, Sanya 572025, Peoples R China

4.Hainan Univ, Coll Marine Sci, Hainan Aquaculture Breeding Engn Res Ctr, Key Lab Trop Hydrobiol & Biotechnol Hainan Prov, Haikou 570228, Peoples R China

关键词： NHE; Penaeus monodon; ammonia nitrogen stress; intestine; gill; RNAi

期刊名称：JOURNAL OF MARINE SCIENCE AND ENGINEERING （ 影响因子：2.744； 五年影响因子：2.727 ）

ISSN：

年卷期： 2022 年 10 卷 12 期

页码：

收录情况： SCI

摘要： Na+/H+-exchanger (NHE) assumes a significant part in different particle transport in creatures. A clone of Penaeus monodon NHE cDNA was examined in this study (PmNHE), and its impact on high-concentration ammonia nitrogen stress was researched. The 877-amino acid (aa) protein was encoded by a full-length PmNHE cDNA that was 2788 base pairs (bp) long and had a 2643-bp open reading frame (ORF). The findings show that PmNHE was expressed in all of the P. monodon organs that were tested, including the intestine, muscle, hemolymph, heart, hepatopancreas, stomach, epidermis, gill, testis, and ovary, and the intestine and muscle were found to have the highest levels of PmNHE expression. The expression of PmNHE in the gill tissue of P. monodon was significantly up-regulated under high levels of ammonia nitrogen stress. The expression of PmNHE in the intestine of P. monodon under high-concentration ammonia nitrogen stress was significant. When exposed to high concentrations of ammonia nitrogen stress, P. monodon exhibited shorter survival times than the two control groups. Hence, it is suggested in the present study that PmNHE may have a significant impact on the environment with high levels of ammonia nitrogen.

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