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垂穗披碱草细胞质基因变异性分析 被引量:2
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作者 刘博 路兴旺 +1 位作者 陶小燕 窦全文 《中国草地学报》 CSCD 北大核心 2020年第6期1-9,共9页
利用PCR产物单克隆测序的方法,对3个垂穗披碱草材料的叶绿体基因组非编码区序列trnL-F和线粒体基因nad 4片段进行了变异分析。结果表明:在同一个个体中可以检出1个以上的trnL-F和nad 4变异型,不同变异型在不同材料中占比不同;在3个垂穗... 利用PCR产物单克隆测序的方法,对3个垂穗披碱草材料的叶绿体基因组非编码区序列trnL-F和线粒体基因nad 4片段进行了变异分析。结果表明:在同一个个体中可以检出1个以上的trnL-F和nad 4变异型,不同变异型在不同材料中占比不同;在3个垂穗披碱草材料的38个克隆序列中共检测到7种trnL-F变异型,7种变异型中共检测到13个突变位点,共有14个突变,变异型突变以碱基转换为主(92.3%),变异型1为3个材料的共享类型,在3个材料所测克隆中占比分别为53.3%、100%和61.1%;在3个材料的62个克隆序列中共检测到17种nad 4变异型,17种变异型中检测到变异位点55个,变异型突变以碱基转换(58.2%)和碱基颠换为主(34.5%),变异型2为3个材料的共享类型,在3个材料所测克隆中占比分别为68.4%、15.0%和13.0%,另外有11个变异型为2个材料所共享类型。 展开更多
关键词 垂穗披碱草 细胞质变异 单克隆测序
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Novel insights into cell cycle regulation of cell fate determination 被引量:9
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作者 Su-wei GAO Feng LIU 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE CAS CSCD 2019年第6期467-475,共9页
The stem/progenitor cell has long been regarded as a central cell type in development,homeostasis,and regeneration,largely owing to its robust self-renewal and multilineage differentiation abilities.The balance betwee... The stem/progenitor cell has long been regarded as a central cell type in development,homeostasis,and regeneration,largely owing to its robust self-renewal and multilineage differentiation abilities.The balance between self-renewal and stem/progenitor cell differentiation requires the coordinated regulation of cell cycle progression and cell fate determination.Extensive studies have demonstrated that cell cycle states determine cell fates,because cells in different cell cycle states are characterized by distinct molecular features and functional outputs.Recent advances in high-resolution epigenome profiling,single-cell transcriptomics,and cell cycle reporter systems have provided novel insights into the cell cycle regulation of cell fate determination.Here,we review recent advances in cell cycle-dependent cell fate determination and functional heterogeneity,and the application of cell cycle manipulation for cell fate conversion.These findings will provide insight into our understanding of cell cycle regulation of cell fate determination in this field,and may facilitate its potential application in translational medicine. 展开更多
关键词 Cell cycle Cell fate HETEROGENEITY Fate conversion Stem/progenitor cell
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