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染色体外的环状DNAeccDNA 是质粒吗?eccDNA到底是什么Extrachromosomal circular D

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染色体外的环状DNA
eccDNA 是质粒吗?eccDNA到底是什么
Extrachromosomal circular DNA
包括线粒体DNA、叶绿体DNA和质粒DNA
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Extrachromosomal DNA (sometimes called extranuclear DNA or nonchromosomal DNA) is DNA located or maintained in a cell apart from the chromosomes.
In many cases,extrachromosomal DNA is contained in cytoplasmic organelles,such as mitochondria (animals),and in chloroplasts and plastids (plants).Extrachromosomal DNA can also be found in the plasmids of bacteria,or in intracellular parasites such as viruses.