Coat protein gene replacement results in whitefly transmission of an insect nontransmissible geminivirus isolate

被引:89
作者
Hofer, P
Bedford, ID
Markham, PG
Jeske, H
Frischmuth, T
机构
[1] UNIV STUTTGART,LEHRSTUHL MOL BIOL & VIROL PFLANZEN,INST BIOL,D-70550 STUTTGART,GERMANY
[2] JOHN INNES CTR PLANT SCI RES,DEPT VIRUS RES,NORWICH NR4 7UH,NORFOLK,ENGLAND
基金
英国生物技术与生命科学研究理事会;
关键词
D O I
10.1006/viro.1997.8751
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Geminiviruses are transmitted by whiteflies, leafhoppers, or treehoppers. The whitefly species Bemisia tabaci (Gennadius) is the most efficient vector of Subgroup III geminiviruses. An isolate of Abutilon mosaic virus (AbMV), a bipartite geminivirus, was not detectable in the DNA extract from insects by Southern blot analysis, nor was the isolate transmissible by the B-biotype of B, tabaci, although the virus DNA was amplified (by PCR) from some insects. In contrast, Side golden mosaic virus (SiGMV-Co), a closely related geminivirus, was acquired and transmitted by B. tabaci to various host plants. The coat protein of AbMV was replaced with that of SIG MV-Co. The resulting chimeric AbMV was acquired and transmitted to various host plants by B, tabaci, indicating that the coat protein plays an essential role in the transmission process by B, tabaci. (C) 1997 Academic Press.
引用
收藏
页码:288 / 295
页数:8
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