染色体外DNAとは - わかりやすく解説 Weblio辞書

染色体外DNA

出典: フリー百科事典『ウィキペディア（Wikipedia）』 (2024/01/21 13:27 UTC 版)

染色体外DNA（せんしょくたいがいDNA、英: extrachromosomal DNA）は、染色体から離れて細胞核の内部または外部に存在するDNAを指す。各個体のゲノムの大部分のDNAは核内の染色体に存在している一方で、細胞内には複数の形態の染色体外DNAも存在する。これらの一部は重要な生物学的機能を果たしており^[1]、またがんなどの疾患に関与している場合もある^[2]^[3]^[4]。

出典

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