Effects of sand substrate removal on the intestinal antioxidant and metabolism in Marsupenaeus japonicus
文献类型： 外文期刊
作者： Zhao, Kuangcheng 1 ; Jia, Shaoting 2 ; Wang, Junxia 4 ; Bian, Xueqiong 2 ; Chen, Shibo 2 ; Li, Jitao 2 ; Liu, Ping 2 ; Li, Jian 2 ; Cai, Yuefeng 1 ; Ren, Xianyun 2 ;
作者机构： 1.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Bioresources & Environm, Jiangsu Key Lab Marine Biotechnol, Lianyungang, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China
3.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China
4.Rizhao Ocean & Fishery Res Inst, Marine Sci Res Ctr, Rizhao 276800, Shandong, Peoples R China
5.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
6.Qingdao Excellent Ocean Grp, Qingdao 266400, Shandong, Peoples R China
7.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, 106 Nanjing Rd, Qingdao 266003, Peoples R China
关键词： Marsupenaeus japonicus; Substrate; Intestinal histology; Antioxidant status; Metabolome
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.1； 五年影响因子：4.2 ）
ISSN： 1050-4648
年卷期： 2024 年 152 卷
页码：
收录情况： SCI
摘要： M. japonicus is an important specie for factory farming, and factory farming requires an environment with sand at the bottom of the pond. However, the physiological responses as well as survival in the process of factory farming without laying sand are currently unknown. In the present study, we explored the effect of sand substrate removal on the intestinal histomorphology, antioxidant enzyme activity, and metabolic profile of M. japonicus. Our results indicate a gradual increase in the mortality rate of kuruma shrimp in ponds lacking sand substrate. The intestinal mucosa exhibited necrosis and the presence of vacuoles, with their number gradually increasing over time. The intestinal villi showed significant erosion, accompanied by a decrease in intestinal superoxide dismutase (SOD) activity and catalase (CAT) activity, and consistent with an upregulation in the expression of apoptosis-related genes such as caspase-3, indicating an adaptive response to the adverse environmental conditions. Additionally, the metabolomic analysis revealed that most significantly differential metabolites were linked to amino acid and lipid metabolism. These findings enhance our understanding of the sand substrate removal on the intestinal health of kuruma shrimp, which provides a basis for the factory farming.
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