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Featured researches published by Liu Zhihong.


Archive | 2018

魁蚶( Scapharca broughtonii )热休克蛋白90(HSP90)基因的克隆及转录表达分析

郑利兵; Zheng Li-Bing; 刘志鸿; Liu Zhihong; 吴彪; Wu Biao; 周丽青; Zhou Liqing; 孙秀俊; Sun Xiujun; 杨爱国; Yang Aiguo; 田吉腾; Tian Ji-Teng; 董迎辉; Dong Yinghui

热休克蛋白90(HSP90)作为一种研究的常规免疫基因,在许多物种都有过报道。本研究从构建的魁蚶转录组文库中筛选得到的HSP90基因部分序列为基础,通过RACE技术获得其cDNA全长序列(命名为SbHSP90),以期明确魁蚶HSP90基因的结构特征、组织分布及其对病原菌刺激的免疫变化规律。序列和结构分析表明,该cDNA全长2707bp,编码一个由728个氨基酸组成的多肽,该多肽含有HSP90家族共有的5个签名序列,C端高度保守的MEEVD短肽序列和ATPase结构域;预测蛋白的分子量(Mw)为83.72kDa,理论等电点(pI)为4.85;预测该蛋白无信号肽,具有4个糖基化位点。同源性及系统分析表明,SbHSP90基因与软体动物的HSP90相似性达到83%以上,其中与长牡蛎(Crassostrea gigas)和海湾扇贝(Argopecten irradians)相似度最高达86%,与甲壳动物HSP90的相似度都在81%左右,与脊椎动物HSP90-α和HSP90-β的同源性都很接近。实时荧光定量PCR(qRT-PCR)结果表明:SbHSP90 mRNA在魁蚶血细胞、斧足、鳃、外套膜、闭壳肌和肝胰腺和中均有表达,斧足中的表达量相对较高,而在肝胰腺中的表达量则相对较低;注射鳗弧菌后,相对于对照组,SbHSP90基因在所检测的每个组织中mRNA水平上的表达量都显著上调(P < 0.01),而且具有显著的时间依赖性和瞬时表达趋势。


Archive | 2017

魁蚶( Scapharca broughtonii )不同地理群体的遗传多样性及种群结构

刘寒苗; Liu Hanmiao; 吴彪; Wu Biao; 刘志鸿; Liu Zhihong; 杨爱国; Yang Aiguo; 周丽青; Zhou Liqing; 孙秀俊; Sun Xiujun

采用PCR技术扩增了中国山东胶南、长岛、蓬莱、荣成和韩国统营5个地理群体魁蚶(Scapharca broughtonii)样本的COⅠ、12S rRNA、18S rRNA和28S rRNA基因部分序列,分析了魁蚶5个地理群体的遗传多样性和系统进化关系。经测序拼接、剪接后,分别获得67条776 bp的COⅠ序列、72条443 bp的12S rRNA序列、75条909 bp的18S rRNA序列和75条894 bp的28S rRNA序列。序列分析结果显示,5个群体75个个体的COⅠ序列中共检测到466个多态位点,32种单倍型,单倍型多样性指数为0.925,核苷酸多样性指数为0.086;12S rRNA序列中共检测到292个多态位点,43种单倍型,单倍型多样性指数是0.928,而核苷酸多样性为0.0856;在18S rRNA序列中,5个群体都表现出丰富的遗传多样性,共有74种单倍型,909个多态位点,单倍型多样性指数为1.0,核苷酸多样性指数为0.717,其中胶南群体变异位点最多、多样性最丰富;通过对28S rRNA部分序列的分析发现,75个个体共检测到27个多态位点,18种单倍型,单倍型多样性指数为0.778,核苷酸多样性指数为0.289,蓬莱群体多样性最丰富。遗传距离分析结果表明,韩国群体与其他4个群体的遗传距离较大;基于COⅠ序列的系统进化树显示有多个聚群。


South China Fisheries Science | 2007

Effects of Vibrio anguillarum on immune activities of Chlamys farreri

Liu Zhihong


Journal of fishery sciences of China | 2004

Effects of Cu~(2+) on immune factors of Chlamys farreri

Liu Zhihong


Journal of fishery sciences of China | 2006

Preliminary cytological identification and immunological traits of hybrid scallop from Chlamys farreri (♀) Patinopecten yessoensis ()

Yang Aiguo; Wang Qin-ying; Liu Zhihong; Zhou Liqing


Archive | 2004

Method for breeding scallops by hybrid

Yang Aiguo; Liu Zhihong; Wang QingYin


Archive | 2014

Method for collecting high-quality patinopecten yessoensis seminal fluid

Yang Aiguo; Zhou Liqing; Yang Peimin; Liu Zhihong; Wu Biao; Sun Xiujun


Archive | 2014

Pond suspension type trepang middle cultivation device

Wu Biao; Yang Aiguo; Xia Sudong; Tan Jie; Liu Zhihong; Zhou Liqing; Sun Xiujun


Marine Sciences | 2011

Morphological variations and discriminant analysis of different geographical populations of Scapharca broughtonii Schrenck

Liang Chao; Yang Aiguo; Liu Zhihong; Zhou Liqing; Wu Biao


Journal of fishery sciences of China | 2006

Effect of pH on the immune factors of Chlamys farreri

Fan ZhenJiao; Yang Aiguo; Liu Zhihong; Dai Jixun; Ren Jian-feng

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Zhou Liqing

Chinese Academy of Fishery Sciences

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Wu Biao

Chinese Academy of Fishery Sciences

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Ren Jian-feng

Chinese Academy of Fishery Sciences

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Chi Changfeng

Zhejiang Ocean University

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Dai Jixun

Ocean University of China

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Liang Chao

Shanghai Ocean University

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Wu Changwen

Zhejiang Ocean University

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