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Relationship between quality of pearl cultured in the triangle mussel Hyriopsis cumingii of different ages and its immune mechanism

文献类型: 外文期刊

作者: Xu, Qiao-qing 1 ; Guo, Long-gen 3 ; Xie, Jun 1 ; Zhao, Chaoyang 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Key Lab Genet Breeding & Aquaculture Biol Freshwa, Minist Agr, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China

2.Yangtze Univ, Engn Res Ctr Wetland Agr Middle Reaches Yangtze R, Minist Educ, Jinzhou 434025, Hubei Province, Peoples R China

3.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China

关键词: Hyriopsis cumingii;Hemocyte;Phagocytosis;Antibacterial activity;Lysozyme activity

期刊名称:AQUACULTURE ( 影响因子:4.242; 五年影响因子:4.723 )

ISSN: 0044-8486

年卷期: 2011 年 315 卷 3-4 期

页码:

收录情况: SCI

摘要: Hyriopsis cumingii is endemic to China and is the most productive freshwater pearl mussel. The age-related changes in the density, phagocytic activity of hemocytes, and the antibacterial and lysozyme activities of plasma were studied respectively in the triangle mussel H. cumingii. The density of hemocytes increased with an increase in the age (mean density, 2.09x10(6) cells/mL). The hemocyte-mediated phagocytic activity in 4- and 5-year-old mussels was significantly higher than that in 2-year-old mussels. The plasma of 2-5-year-old triangle mussels has been found to possess significant antibacterial activity against Micrococcus lysodeikticus, Staphylococcus aureus, Escherichia coli, and Aeromonas hydrophila. Further, the antibacterial activity in 3-4-year-old mussels was much stronger than that in 2- or 5-year-old mussels. A significant enhancement in the plasma lysozyme activity in mussels was noted along with an increase in mussel age. In conclusion, the quality of the cultured pearl was related to the immunological activities of hemocytes or plasma in triangle mussels. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.

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