崔前进,陈冰,邱丽华,付旭,杨博学,韩雨哲,姜晨

• 1:大连海洋大学农业部北方海水增养殖重点实验室
• 2:中国水产科学研究院南海水产研究所广东省渔业生态环境重点实验室

摘要(Abstract)：

研究钝吻黄盖鲽(Pleuronectes yokohama)幼鱼鳃的Na~+/K~+-ATP酶(NKA)和肝脏的超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、酸性磷酸酶(ACP)、碱性磷酸酶(AKP)在低盐(6、18,分别记作S6、S18组)胁迫下的变化规律,探讨其适应盐度的规律,以及抗氧化机制和非特异免疫能力。结果显示,S6组和S18组鳃的NKA活力均呈先增后减的变化趋势,1 d时最大(P<0.05),S6组7 d时开始下降,而S18组在3 d时开始下降。肝脏的SOD和CAT活力均先升后降,其中SOD活力S6和S18组均于7 d时最大(P<0.05),14 d时S6组活力较S18组大;CAT活力S6和S18组均于7 d时最大(P<0.05),在14 d时降至初始水平。肝脏ACP活力S6、S18组均于3 d时升至最高(P<0.05),14 d时S18组降至对照组水平,而S6组则低于对照组(P<0.05);AKP活力S6和S18组均呈现先升后降的变化,在3 d达到峰值,14 d时仍高于对照组(P<0.05)。低盐胁迫影响钝吻黄盖鲽幼鱼的NKA、抗氧化酶和非特异免疫酶,S18组对盐度胁迫的适应能力更大。

关键词(KeyWords)： 钝吻黄盖鲽;盐度;Na+/K+-ATP酶;抗氧化酶;非特异免疫

Abstract:

Keywords:

基金项目(Foundation): 广东省生态环境重点实验室开放基金(LFE-2016-4)

作者(Author): 崔前进,陈冰,邱丽华,付旭,杨博学,韩雨哲,姜晨

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