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Molecular and biological characterization of a severe isolate of Tomato chlorotic dwarf viroid containing a novel terminal right (TR) domain sequence

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成果类型:
期刊论文
作者:
Singh, Rudra P.*;Dilworth, Andrea D.;Ao, Xiaoping;Singh, Mathuresh;Misra, Santosh
通讯作者:
Singh, Rudra P.
作者机构:
[Singh, Rudra P.; Dilworth, Andrea D.] Agr & Agri Food Canada, Potato Res Ctr, Fredericton, NB E3B 4Z7, Canada.
[Ao, Xiaoping] Hunan Agr Univ, Fac Hort & Landscape, Changsha 410128, Hunan, Peoples R China.
[Singh, Mathuresh] Agr Certificat Serv, Fredericton, NB E3B 8B7, Canada.
[Misra, Santosh] Univ Victoria, Dept Biochem & Microbiol, Victoria, BC V8W 3P6, Canada.
[Singh, Rudra P.] Agr & Agri Food Canada, Potato Res Ctr, 850 Lincoln Rd, Fredericton, NB E3B 4Z7, Canada.
通讯机构:
[Singh, Rudra P.] A
Agr & Agri Food Canada, Potato Res Ctr, 850 Lincoln Rd, Fredericton, NB E3B 4Z7, Canada.
语种:
英文
关键词:
Evolution of viroid;Extreme stunted plants;Sequence variants;Viroid strain;Variation of symptoms
期刊:
European Journal of Plant Pathology
ISSN:
0929-1873
年:
2010
卷:
127
期:
1
页码:
63-72
机构署名:
本校为其他机构
院系归属:
园艺园林学院
摘要:
Tomato chlorotic dwarf viroid (TCDVd) manually inoculated to transgenic (cv.'Desiree') potato plants containing antimicrobial cationic peptides failed to develop symptoms in above ground plant parts, but infected tubers were symptomatic. Plants from the infected tubers (second generation plants) emerged as either severely stunted (bushy stunt isolate, BSI) or tall and symptomless. Molecular characterization of BSI isolates showed TCDVd sequence variants 95 to 98% identical to TCDVd sequences from the database, while a viroid variant identical t...

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