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
第一作者: Xu, Qiao-qing
作者: Xu, Qiao-qing;Xie, Jun;Zhao, Chaoyang;Xu, Qiao-qing;Guo, Long-gen
作者机构:
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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