New strains of chickpea chlorotic dwarf virus discovered on diseased papaya and tomato plants in Burkina Faso

Alassane Ouattara, Fidèle Tiendrébéogo, Pierre Lefeuvre, Murielle Hoareau, Sohini Claverie, Edgar Valentin Traoré, Nicolas Barro, Oumar Traoré, Arvind Varsani, Jean Michel Lett

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11 Scopus citations

Abstract

This is the first description of full genome sequences of chickpea chlorotic dwarf virus (CpCDV; genus Mastrevirus; family Geminiviridae) identified in papaya and tomato plants sampled in Burkina Faso. The CpCDV full genome sequences from papaya and tomato share the highest pairwise sequence identity (84% and 93.5%) with Sudanese isolates of the CpCDV-K and CpCDV-M strains, respectively. Based on the strain demarcation threshold (>94% identity) for mastreviruses, we propose two new strains, CpCDV-Q and CpCDV-R, identified in papaya and tomato, respectively. Phylogenetic analysis confirmed that the sequences belong to a distinct clade of the highly diverse population of CpCDVs. Evidence of inter-strain recombination provided more support for the important role of recombination in CpCDV evolution. The discovery of CpCDV on papaya, a previously unsuspected host, raises many questions about the natural and potential host range of this dicot-infecting mastrevirus species that is reported to be emerging worldwide.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalArchives of Virology
DOIs
StateAccepted/In press - Feb 22 2017

ASJC Scopus subject areas

  • Virology

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    Ouattara, A., Tiendrébéogo, F., Lefeuvre, P., Hoareau, M., Claverie, S., Traoré, E. V., Barro, N., Traoré, O., Varsani, A., & Lett, J. M. (Accepted/In press). New strains of chickpea chlorotic dwarf virus discovered on diseased papaya and tomato plants in Burkina Faso. Archives of Virology, 1-4. https://doi.org/10.1007/s00705-017-3262-z