细长聚球藻PCC7942的倍性分析

来源 :中国生物化学与分子生物学会第十二届会员代表大会暨2018年全国学术会议 | 被引量 : 0次 | 上传用户：jieminglin

【摘要】

：

蓝细菌是一类古老的光合原核微生物，是原核生物中基因组低、中、高拷贝共存的典型物种之一。基于DNA荧光染色，发现细长聚球藻PCC 7942胞内DNA在特定时期会形成独立的类核区，统计分析表明其基因组拷贝数(倍性)在4-6之间。流式细胞仪分析发现，在延滞期，细长聚球藻PCC 7942基因组拷贝数迅速上升，在指数生长期和平台期，拷贝数不断下降。

【作者】

：

王立娜朱涛吕雪峰

【机构】

：

中国科学院青岛生物能源与过程研究所,青岛,266000

【出处】

：

中国生物化学与分子生物学会第十二届会员代表大会暨2018年全国学术会议

【发表日期】

：

2018年10期

【关键词】

：

蓝细菌基因组拷贝数细胞分裂

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细长聚球藻PCC7942的倍性分析

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