Molecular Variability and Genetic Structure of IYMV in Burkina Faso
Imperata yellow mottle virus (IYMV, Sobemovirus) was first described in 2008 in the southwestern region of Burkina Faso (West Africa). The genetic diversity of IYMV was not documented up to day. In this study, the variability of CP of IYMV was evaluated through the molecular characterization of 38 i...
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| Veröffentlicht in: | American journal of plant sciences 2018, Vol.9 (2), p.311-324 |
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| container_title | American journal of plant sciences |
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| creator | Koala, Moustapha Sérémé, Drissa Vignols, Florence Lacombe, Eric Bantgratz, Martine Neya, Bouma James Brugidou, Christophe Barro, Nicolas Traoré, Oumar |
| description | Imperata yellow mottle virus (IYMV, Sobemovirus) was first described in 2008 in the southwestern region of Burkina Faso (West Africa). The genetic diversity of IYMV was not documented up to day. In this study, the variability of CP of IYMV was evaluated through the molecular characterization of 38 isolates collected in the western part of Burkina Faso. Comparison of sequences of these new isolates and one IYMV sequence available in GenBank revealed that the average nucleotide diversity was low. The ratio of non-synonymous over synonymous nucleotide substitutions per site was low, indicating a CP diversification under strong purifying selection. Despite of the low nucleotide diversity, phylogenetic analyses revealed segregation of IYMV isolates into six major clades. There was no correlation of phylogenetic grouping of isolates based on geographical location. This is the first study of the genetic diversity of IYMV. |
| doi_str_mv | 10.4236/ajps.2018.92025 |
| format | Article |
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| subjects | Life Sciences Phytopathology and phytopharmacy Vegetal Biology |
| title | Molecular Variability and Genetic Structure of IYMV in Burkina Faso |
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