Molecular and biological properties of tomato necrotic stunt virus and development of a sensitive real-time RT-PCR assay

被引:11
|
作者
Li, Rugang [1 ]
Fei, Zhangjun [2 ]
Ling, Kai-Shu [1 ]
机构
[1] USDA ARS, US Vegetable Lab, Charleston, SC 29414 USA
[2] Cornell Univ, Boyce Thompson Inst Plant Res, USDA ARS, Robert W Holley Ctr Agr & Hlth, Ithaca, NY 14853 USA
基金
美国食品与农业研究所;
关键词
SMALL RNAS; DISCOVERY; SEQUENCE;
D O I
10.1007/s00705-013-1830-4
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The newly identified tomato necrotic stunt virus (ToNStV), with a genome of 10,057 nucleotides, had 60 % nucleotide sequence and 70 % coat protein amino acid sequence identity to other potyviruses. Analysis of a second ToNStV isolate revealed two single nucleotide substitutions. ToNStV induced stunting and chlorotic to necrotic leaf symptoms on tomato plants. In host-range assays, ToNStV systemically infected many species in the family Solanaceae and locally infected some species in the families Amaranthaceae, Brassicaceae and Cucurbitaceae. A sensitive and reliable real-time RT-PCR assay was developed using simply prepared crude tissue extract.
引用
收藏
页码:353 / 358
页数:6
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