Evidence for heterologous encapsidation of potato spindle tuber viroid in particles of potato leafroll virus

被引：38
|
作者：
Querci, M [1 ]
Owens, RA [1 ]
Bartolini, I [1 ]
Lazarte, V [1 ]
Salazar, LF [1 ]
机构：
[1] USDA ARS, MOL PLANT PATHOL LAB, BELTSVILLE, MD 20705 USA
来源：
JOURNAL OF GENERAL VIROLOGY | 1997年 / 78卷
关键词：
D O I：
10.1099/0022-1317-78-6-1207
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：
The aphid Myzus persicae (Suit.) was shown to transmit potato spindle tuber viroid (PSTVd) to potato clone DTO-33 from source plants doubly infected with potato leafroll virus (PLRV) and PSTVd. Transmission was of the persistent type and did not occur when the insects were allowed to feed on singly infected plants. Only low levels of PSTVd were associated with purified PLRV virions, but its resistance to digestion with micrococcal nuclease indicates that the viroid RNA is encapsidated within the PLRV particles. Epidemiological surveys carried out at three locations in China revealed a strong correlation between PSTVd infection and the presence of PLRV, suggesting that PLRV can facilitate PSTVd spread under field conditions.
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收藏
页码：1207 / 1211
页数：5
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