A survey of geminiviruses and associated satellite DNAs in the cotton-growing areas of northwestern India

被引：55

作者：

Zaffalon, Valerio ^{[2
,3
]}

Mukherjee, Sunil Kumar ^{[4
]}

Reddy, Vanga Siva ^{[4
]}

Thompson, Jeremy R. ^{[1
,2
]}

Tepfer, Mark ^{[2
,5
,6
]}

机构：

[1] Cornell Univ, Dept Plant Pathol & Plant Microbe Biol, Ithaca, NY 14853 USA

[2] ICGEB Biosafety Outstn, Plant Virol Grp, I-31056 Roncade, Italy

[3] Univ Padua, Dept Environm Agron & Crop Sci, I-35020 Legnaro, Padova, Italy

[4] ICGEB Campus, Plant Biol Grp, New Delhi 110067, India

[5] INRA, Inst Jean Pierre Bourgin UMR1318, F-78026 Versailles, France

[6] INRA, Pathol Vegetale UR407, F-84140 Montfavet, France

来源：

ARCHIVES OF VIROLOGY | 2012年 / 157卷 / 03期

关键词：

LEAF-CURL-DISEASE; GOSSYPIUM-HIRSUTUM L; YELLOW VEIN DISEASE; PHYLOGENETIC RELATIONSHIP; MONOPARTITE BEGOMOVIRUS; MOLECULAR DIVERSITY; GENE-EXPRESSION; VIRUS; TRANSACTIVATION; RECOMBINATION;

D O I：

10.1007/s00705-011-1201-y

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Severe symptoms of cotton leaf curl disease (CLCuD) are caused by the association of a single-stranded circular DNA satellite (betasatellite) with a helper begomovirus. In this study, we analyzed 40 leaf samples (primarily cotton with CLCuD symptoms and other plants growing close by) from four sites between New Delhi and the Pakistan/India border, using rolling-circle amplification (RCA) and PCR. In total, the complete sequences of 12 different helper viruses, eight alphasatellites, and one betasatellite from five different plant species were obtained. A recombinant helper virus molecule found in okra and a novel alphasatellite-related DNA from croton are also described. This is the first report of the presence of both DNA components (helper virus and betasatellite) associated with resistance-breaking CLCuD in India, and it highlights the need for further work to combat its damage and spread.

引用

页码：483 / 495

页数：13

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