这个词是什么意思？
Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D010957 · MeSH 2026。
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