AUSTRALIAN GRAPEVINE VIROID - EVIDENCE FOR EXTENSIVE RECOMBINATION BETWEEN VIROIDS

被引：75

作者：

REZAIAN, MA

机构：

[1] CSIRO Division of Horticulture, Adelaide, SA 5001

来源：

NUCLEIC ACIDS RESEARCH | 1990年 / 18卷 / 07期

关键词：

D O I：

10.1093/nar/18.7.1813

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Australian grapevine viroid (AGV, 369 residues) is a novel viroid with less than 50% sequence similarity with any known viroid. Nevertheless its entire sequence can be divided into regions, each with a high sequence similarity with segments from one of citrus exocortis, potato spindle tuber, apple scar skin, and grapevine yellow speckle viroids. AGV contains the entire central conserved region of the apple scar skin viroid group and is proposed as a member of this group. AGV appears to have originated from extensive RNA recombination invoking other viroids. The vegetatively propagated grapevines which have been exposed to multiple viroid infections during their long history of cultivation may have allowed such recombination. © 1990 Oxford University Press.

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页码：1813 / 1818

页数：6

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