REPLICATION SLIPPAGE IN THE EVOLUTION OF POTYVIRUSES

被引:21
作者
HANCOCK, JM
CHALEEPROM, W
CHALEEPROM, W
DALE, J
GIBBS, A
机构
[1] AUSTRALIAN NATL UNIV,INST ADV STUDIES,RES SCH BIOL SCI,CANBERRA,ACT,AUSTRALIA
[2] QUEENSLAND UNIV TECHNOL,CTR MOLEC BIOTECHNOL,BRISBANE 4001,QLD,AUSTRALIA
关键词
D O I
10.1099/0022-1317-76-12-3229
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Recently published evidence for sequence repetition in polyvirus genomes prompted us to analyse the published complete genome sequences and coat protein gene sequences of viruses of this family for evidence of replication slippage. Five of nine complete genomic sequences and 17 of 32 coat protein genes had significant sequence repetitions. Most of these were in coat protein genes, although the 5' region of the turnip mosaic virus genome also showed evidence of slippage. The results suggest that replication slippage may be involved in the evolution of viruses, as well as prokaryotes and eukaryotes, and that slippage can occur in both RNA and DNA when it is being replicated.
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收藏
页码:3229 / 3232
页数:4
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