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巴豆属植物叶绿体基因组结构变异特征及其系统发育意义研究
比较基因组学揭示惊人发现:六个巴豆属物种的九个个体中普遍存在光合作用相关基因psaI的不完全重复现象。更引人注目的是,研究者根据LSC/SSC/IR区连接位点的差异,创新性提出三种cpDNA结构变异类型。系统发育分析虽证实巴豆属的单系性,但C. kongensis与近缘种的演化关系仍存谜团。
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