Journal of Zhejiang University SCIENCE B

, Volume 11, Issue 2, pp 109–114 | Cite as

Molecular characterization and infectivity of Papaya leaf curl China virus infecting tomato in China

  • Hui Zhang
  • Xin-ying Ma
  • Ya-juan Qian
  • Xue-ping ZhouEmail author


Papaya leaf curl China virus (PaLCuCNV) was previously reported as a distinct begomovirus infecting papaya in southern China. Based on molecular diagnostic survey, 13 PaLCuCNV isolates were obtained from tomato plants showing leaf curl symptoms in Henan and Guangxi Provinces of China. Complete nucleotide sequences of 5 representative isolates (AJ558116, AJ558117, AJ704604, FN256260, and FN297834) were determined to be 2738–2751 nucleotides, which share 91.7%–97.9% sequence identities with PaLCuCNV isolate G2 (AJ558123). DNA-β was not found to be associated with PaLCuCNV isolates. To investigate the infectivity of PaLCuCNV, an infectious clone of PaLCuCNV-[CN:HeNZM1] was constructed and agro-inoculated into Nicotiana benthamiana, N. tabacum Samsun, N. glutinosa, Solanum lycopersicum and Petunia hybrida plants, which induced severe leaf curling and crinkling symptoms in these plants. Southern blot analysis and polymerase chain reaction (PCR) indicated a systemic infection of test plants by the agro-infectious clone.

Key words

Papaya leaf curl China virus (PaLCuCNV) Tomato Infectivity 

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Copyright information

© Zhejiang University and Springer Berlin Heidelberg 2010

Authors and Affiliations

  • Hui Zhang
    • 1
    • 2
  • Xin-ying Ma
    • 1
  • Ya-juan Qian
    • 1
  • Xue-ping Zhou
    • 1
    Email author
  1. 1.Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, Institute of BiotechnologyZhejiang UniversityHangzhouChina
  2. 2.Horticultural Research InstituteShanghai Academy of Agriculture SciencesShanghaiChina

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