Combined effects of seawater acidification and high temperature on hemocyte parameters in the thick shell mussel Mytilus coruscus
文献类型： 外文期刊
作者： Wu, Fangli 1 ; Lu, Weiqun 1 ; Shang, Yueyong 1 ; Kong, Hui 1 ; Li, Lisha 1 ; Sui, Yanming 1 ; Hu, Menghong 1 ; Wang, Youj 1 ;
作者机构： 1.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
2.Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Dept Integrat Ecophysiol, D-27570 Bremerhaven, Germany
3.Chinese Acad Fisheries Sci, East China Sea Fisheries Res Inst, Key Lab East China Sea & Ocean Fishery Resources, Minist Agr China, Shanghai, Peoples R China
关键词： Acidification; Temperature; Mytilus coruscus; Flow cytometry; Immune response; Hemocyte
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：4.581； 五年影响因子：4.851 ）
ISSN： 1050-4648
年卷期： 2016 年 56 卷
页码：
收录情况： SCI
摘要： In this work, flow cytometry was used to examine the immune responses of hemocytes in the thick shell mussel Mytilus coruscus exposed to six combinations of pH (73, 7.7, and 8.1) and temperature (25 degrees C and 30 degrees C) for 14 days. Temperature showed significant effects on all immune parameters throughout the experiment. Generally, the total hemocyte count (THC), phagocytosis (Pha), esterase (Est), and lysosomal content (Lyso) significantly decreased at high temperature. By contrast, the hemocyte mortality (Hm) and reactive oxygen species (ROS) levels increased at high temperature. Moreover, pH significantly influenced all the immune parameters, but its effects are not as strong as those of temperature; only Hm, Est, and THC were negatively affected by pH throughout the experiment. After 7 days, low pH resulted in decreased Lyso and increased Hm and ROS levels. Significant interactions between temperature and pH in most measured parameters from 7 days suggested that long-term combined stress, i.e., low pH and high temperature, would cause more severe effects on mussel health than an individual stressor in the field. (C) 2016 Elsevier Ltd. All rights reserved.
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