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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク helper virus ： ウィキペディア英語版 helper virus A helper virus is a virus used when producing copies of a helper dependent viral vector which does not have the ability to replicate on its own. The helper virus is used to co-infect cells alongside the viral vector and provides the necessary enzymes for replication of the genome of the viral vector. Hepatitis B virus (HBV) is an example of a helper virus that helps Hepatitis D virus (HDV) (a replication defective, helper dependent ssRNA virus) to replicate -- as HDV requires the surface antigen of HBV (HBsAg) for the encapsidation of its own genome. The envelope proteins on the outer surface of HDV are entirely provided by HBV. ==See also== 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「helper virus」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.