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- Title
New strains of chickpea chlorotic dwarf virus discovered on diseased papaya and tomato plants in Burkina Faso.
- Authors
Ouattara, Alassane; Tiendrébéogo, Fidèle; Lefeuvre, Pierre; Hoareau, Murielle; Claverie, Sohini; Traoré, Edgar; Barro, Nicolas; Traoré, Oumar; Varsani, Arvind; Lett, Jean-Michel
- 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.
- Subjects
BURKINA Faso; GEMINIVIRIDAE; PAPAYA tree diseases &; pests; TOMATO diseases &; pests; MICROORGANISM phylogeny
- Publication
Archives of Virology, 2017, Vol 162, Issue 6, p1791
- ISSN
0304-8608
- Publication type
Article
- DOI
10.1007/s00705-017-3262-z