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Genetic Diversity Based on Coat Protein of Papaya ringspot virus (Pathotype P) Isolates from Bangladesh

Indian Journal of Virology volume 24, pages 70–73 (2013)Cite this article

Abstract

The coat protein (CP) sequences of twelve Papaya ringspot virus (PRSV) (pathotype-P) isolates from six major papaya growing areas were determined and compared with those of published PRSV. The CP coding region varied in size from 846–852 nucleotides, encoding a protein of 282–284 amino acids. Comparative CP sequence analysis revealed that the PRSV-P isolates originating from Bangladesh were divergent up to 14 % at amino acids level. Further, the isolates from Bangladesh shared 86–95 % amino acid sequence identity with those reported from rest 21 of the Asia and 83–93 % amino acid sequence identity with isolates from the other parts of the world. A number of KE repeats were observed in the N terminus of the CP coding region of all Bangladesh isolates. Phylogenetic branching pattern revealed that the PRSV-P isolates originating from Bangladesh formed a distinct clade from those from the rest of the world. This forms the first report on the genetic diversity of PRSV-P isolates from Bangladesh.

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Acknowledgments

First author was awarded with TWAS Fellowship for Research and Advanced Training 2010. Authors are highly grateful to IARI, ICAR, BARI and TWAS for providing research opportunity.

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Affiliations

  1. Fruit Research Station, Bangladesh Agricultural Research Institute, Rajshahi, 6206, Bangladesh

    M. S. Akhter

  2. Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi, 110012, India

    Y. B. Basavaraj, B. Mandal & R. K. Jain

  3. Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh

    A. M. Akanda

Authors
  1. M. S. Akhter
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  2. Y. B. Basavaraj
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  3. A. M. Akanda
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  4. B. Mandal
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  5. R. K. Jain
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Corresponding author

Correspondence to R. K. Jain.

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Akhter, M.S., Basavaraj, Y.B., Akanda, A.M. et al. Genetic Diversity Based on Coat Protein of Papaya ringspot virus (Pathotype P) Isolates from Bangladesh. Indian J. Virol. 24, 70–73 (2013). https://doi.org/10.1007/s13337-013-0127-2

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  • DOI: https://doi.org/10.1007/s13337-013-0127-2

Keywords

  • Papaya ringspot virus
  • Pathotype-P
  • Bangladesh isolates
  • Coat protein