资源信息
| 主题 | XDB大尺度区域生物多样性 |
| 项目类型 | 中国科学院战略性先导科技专项（B类） |
| 项目名称 | 中国西南地区生物多样性的演化历史与格局 |
| (子)课题名称 | 中国西南山地物种形成机制研究 |
| 标题 | 珙桐的基因组数据 |
| 作者 | 杨勇志，陈阳等 |
| 关键词 | 珙桐基因组，孑遗物种保护 |
| 摘要 | 珙桐是一种活化石植物，也是一种濒临灭绝的物种，目前仅分布于中国西南部和中部的山区。在这项研究中，科研人员对中国已知分布范围内的77个珙桐个体进行了全基因组重测序，其中包括67个新测序的个体。研究目标是分析这种孑遗“活化石”植物内部的隐形分化和杂交的情况。除了之前确定的两个主要谱系外，还发现了一个额外的隐形谱系。作者进一步了某些基因是否在局域适应过程中表现出正选择的信号，并评估了这些谱系和种群的近亲繁殖和突变负荷的水平。通过上述分析，研究人员进一步评估进化单元，为该物种的保护和管理提供宝贵的见解。 |
| 提交者 | 刘刚 |
| 提交时间 | 2024/7/5 16:05:22 |
| 联系方式 | 2217786138@qq.com |
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地址：中国云南省昆明市蓝黑路132号 邮政编码：650201 电话：0871-65223223 本中心受中国科学院“十三五”信息化建设专项“中国科学院科学数据中心体系建设”和云南省生物医药重大科技专项“生物资源数字化开发应用（202002AA100007）”资助 致谢中国科学院计算机网络信息中心大数据技术与应用发展部 |
