目的:构建小鼠热休克蛋白(heat shock protein 10,HSP10)基因重组腺病毒载体,为更好地研究HSP10蛋白在PCOS发病中的作用。方法:用RT-PCR的方法从小鼠卵巢组织中扩增HSP10基因全长,经T/A克隆后,亚克隆至AdEasy腺病毒穿梭质粒pAdTrack-CMV...目的:构建小鼠热休克蛋白(heat shock protein 10,HSP10)基因重组腺病毒载体,为更好地研究HSP10蛋白在PCOS发病中的作用。方法:用RT-PCR的方法从小鼠卵巢组织中扩增HSP10基因全长,经T/A克隆后,亚克隆至AdEasy腺病毒穿梭质粒pAdTrack-CMV上,构建穿梭质粒pAdTrack-HSP10。PmeI酶切pAdtrack-HSP10,然后分别将腺病毒骨架质粒pAdEasy-1和穿梭质粒pAdtrack-HSP10转化至BJ-5183感受态细菌中进行同源重组。PacI酶切线性化重组质粒AdCMV-HSP10后转染AD-293细胞进行病毒包装和扩增。通过GFP报告基因观察重组病毒的产生。用获得的重组腺病毒感染小鼠卵泡,Western blotting方法检测HSP10基因的表达。结果:从小鼠卵巢组织中扩增出309bp的cDNA,PCR和测序分析证实为小鼠HSP10基因。构建的小鼠HSP10基因的重组腺病毒载体,PacI酶切重组质粒见30000bp和4500bp的特征性条带。制备出高滴度重组腺病毒,病毒上清PCR反应同样扩出309bp的目的条带。分离并培养小鼠卵泡,感染重组的腺病毒,Western blotting检测到显著的HSP10条带。结论:本文成功构建了小鼠HSP10基因重组腺病毒载体,并且在小鼠卵泡中有效表达。展开更多
Heat shock proteins 10/60(hsp10/60)are a family of conserved ubiquitously expressed heat shock proteins which are produced by cells in response to exposure to stressful conditions.Besides the chaperone and housekeepin...Heat shock proteins 10/60(hsp10/60)are a family of conserved ubiquitously expressed heat shock proteins which are produced by cells in response to exposure to stressful conditions.Besides the chaperone and housekeeping functions,they are also known to be involved in immune response during bacterial infection.In this study,we identified and annotated 10 hsp10/60 genes through bioinformatic analysis in Japanese flounder(Paralichthys olivaceus).Among them one member of hsp10(hspe)family and nine members of hsp60(hspd)family were identified.Phylogenetic and selection pressure analysis showed that the hsp10/60 genes were evolutionarily constrained and their function was conserved.Besides,hsp10/60 genes were involved in different embryonic and larval stages and acted as the sentinel role in an unchallenged organism.In addition,we also observed the expression patterns of hsp10/60 genes after Edwardsiella tarda infection,for the first time in Japanese flounder.Eight out of 10 genes were differentially expressed after bacterial challenges,the significantly regulated expressions of flounder hsp10/60 genes after bacterial infections suggested their involvement in immune response in flounder.Our results provide valuable information for clarifying the evolutionary relationship,and early insights of the immune functions of hsp10/60 genes in Japanese flounder.展开更多
基金This work was supported by the National Key Research and Development Program of China(No.2018YFD0900601)the Natural Science Foundation of Shandong Province(No.ZR2017MC072).
文摘Heat shock proteins 10/60(hsp10/60)are a family of conserved ubiquitously expressed heat shock proteins which are produced by cells in response to exposure to stressful conditions.Besides the chaperone and housekeeping functions,they are also known to be involved in immune response during bacterial infection.In this study,we identified and annotated 10 hsp10/60 genes through bioinformatic analysis in Japanese flounder(Paralichthys olivaceus).Among them one member of hsp10(hspe)family and nine members of hsp60(hspd)family were identified.Phylogenetic and selection pressure analysis showed that the hsp10/60 genes were evolutionarily constrained and their function was conserved.Besides,hsp10/60 genes were involved in different embryonic and larval stages and acted as the sentinel role in an unchallenged organism.In addition,we also observed the expression patterns of hsp10/60 genes after Edwardsiella tarda infection,for the first time in Japanese flounder.Eight out of 10 genes were differentially expressed after bacterial challenges,the significantly regulated expressions of flounder hsp10/60 genes after bacterial infections suggested their involvement in immune response in flounder.Our results provide valuable information for clarifying the evolutionary relationship,and early insights of the immune functions of hsp10/60 genes in Japanese flounder.
