| 翻訳と辞書 |
| Replicon (genetics) ： ウィキペディア英語版 |
Replicon (genetics)
A replicon is a DNA molecule or RNA molecule, or a region of DNA or RNA, that replicates from a single origin of replication.
==Prokaryotes==
For most prokaryotic chromosomes, the replicon is the entire chromosome. One notable exception found comes from archaea, where two ''Sulfolobus'' species have been shown to contain three replicons. Examples of bacterial species that have been found to possess multiple replicons include: ''Rhodobacter sphaeroides'' (2), ''Vibrio cholerae'', and ''Burkholderia multivorans'' (3). These "secondary" (or tertiary) chromosomes are often described as a molecule that is a mixture between a true chromosome and a plasmid and are sometimes called "chromids". Various ''Azospirillum'' species possess 7 replicons, ''Azospirillum lipoferum'', for instance, has 1 bacterial chromosome, 5 chromids, and 1 plasmid.
Plasmids and bacteriophages are usually replicated as single replicons, but large plasmids in Gram-negative bacteria have been shown to carry several replicons.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Replicon (genetics)」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|