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Dive into the research topics where Zhou Liqing is active.

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Featured researches published by Zhou Liqing.


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。


渔业科学进展 | 2017

银鲳(Pampus argenteus)染色体标本制备及其核型研究

刘琨; Liu Kun; 周丽青; Zhou Liqing; 李凤辉; Li Fenghui; 陈四清; Chen Siqing; 葛建龙; Ge Jianlong; 刘长琳; Liu Changlin; 施兆鸿; Shi Zhaohong

为保护银鲳(Pampus argenteus)种质资源、为遗传育种提供理论基础,本研究在银鲳鳃组织细胞处于高活性状态下进行染色体标本制备,采用热滴定法制备银鲳染色体标本,并分析其染色体核型,初步探讨了银鲳的进化程度。实验银鲳为70–80日龄,体长为7–9 cm,设置3个重复组,每组3尾银鲳。将银鲳暂养于秋水仙素终浓度为0.005%的海水中4 h,剪取鳃组织制备染色体标本。该实验方法避免了对银鲳离水操作造成的物理伤害,确保银鲳在活力正常的前提下获得实验样本。染色体核型分析表明,银鲳二倍体染色体数为2n=48,核型为2n=2SM+10ST+36T,其染色体臂数(NF)为50。未发现与性别相关的异型染色体。其核型符合典型的高位类群鱼类的核型特征。由于研究对象为未性成熟银鲳幼鱼,无法分辨雌雄,因此,尚不能确定银鲳是否存在异形性染色体,有待性成熟之后进一步验证。


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。


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 | 2015

The belt cleaning device of shellfish net piece adherance

Wu Biao; Sun Xiujun; Yang Aiguo; Zhou Liqing


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


Marine Fisheries Research | 2007

Studies on optimal parameters of gynogentic diploids induced by heterologous sperm in the scallop, Chlamys farreri

Zhou Liqing


Journal of fishery sciences of China | 2007

Cytological observations on development of early embryos of allogynogenetic tetraploids of Chlamys farreri

Zhou Liqing

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Liu Zhihong

Chinese Academy of Fishery Sciences

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Wu Biao

Chinese Academy of Fishery Sciences

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Chen Siqing

Ocean University of China

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Chi Changfeng

Zhejiang Ocean University

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Liang Chao

Shanghai Ocean University

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Ren Jian-feng

Chinese Academy of Fishery Sciences

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Wu Changwen

Zhejiang Ocean University

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