Abstract
Chilli veinal mottle virus (ChiVMV) is an important plant pathogen with a wide host range. The genetic structure of ChiVMV was investigated by analyzing the coat protein (CP) genes of 87 ChiVMV isolates from seven Asian regions. Pairwise F ST values between ChiVMV populations ranged from 0.108 to 0.681, indicating a significant spatial structure for this pathogen. In phylogeny-trait association analysis, the viral isolates from the same region tended to group together, showing a distinct geographic feature. These results suggest that geographic driven adaptation may be an important determinant of the genetic diversity of ChiVMV.
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Acknowledgments
This work was supported by Public Science and Technology Research Funds Projects of General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China (no. 201410076), Fujian Natural Science Funds for Distinguished Young Scholar (no. 2014J06008) and the Natural Science Foundation of Fujian Province (no. 2015J01148), P. R. China. We thank Drs. Huasong Zou, Zhenguo Du, Zhijian, Li and James L. Starr for comments and suggestions that improved the manuscript.
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F. Gao and J. Jin contributed equally to the work.
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Fig. S1 The frequency of threonine (Thr), serine (Ser), aspartate (Asp), glutamate (Glu), isoleucine (Ile) and asparagine (Asn) at aa position 29 of ChiVMV CP of different geographic origin. The six different amino acid residues are indicted by distinct colors (PDF 547 kb)
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Gao, F., Jin, J., Zou, W. et al. Geographically driven adaptation of chilli veinal mottle virus revealed by genetic diversity analysis of the coat protein gene. Arch Virol 161, 1329–1333 (2016). https://doi.org/10.1007/s00705-016-2761-7
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DOI: https://doi.org/10.1007/s00705-016-2761-7