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Infectivity analysis of a soybean isolate of Mungbean yellow mosaic India virus by agroinoculation

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Abstract

Yellow mosaic disease (YMD) of legumes endemic to South Asia are caused by begomoviruses transmitted by whiteflies. Based on molecular characterization, two distinct viruses – Mungbean yellow mosaic India virus (MYMIV) and Mungbean yellow mosaic virus (MYMV) – were found previously to be the etiological agents of YMD in legumes. Here, host range studies with a soybean isolate of MYMIV (MYMIV-[Sb]) were carried out by both whitefly transmission and agroinoculation. MYMIV-[Sb] was similar to a cowpea isolate of MYMIV (MYMIV-[Cp]) in its ability to infect cowpea, thus differing from blackgram (MYMIV) and mungbean (MYMIV-[Mg]) isolates, which do not infect cowpea. Genomic analysis of DNA A and DNA B components of these MYMIV isolates show characteristic differences in complete DNA B nucleotide sequence correlating with host range differences.

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Authors and Affiliations

  1. Plant Virology Unit, Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi, 110 012, India

    Katoor S. Usharani, Baliji Surendranath & Varagur G. Malathi

  2. Department of Biosciences, Jamia Millia Islamia University, New Delhi, India

    Qazi M.R. Haq

Authors
  1. Katoor S. Usharani
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  2. Baliji Surendranath
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  3. Qazi M.R. Haq
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  4. Varagur G. Malathi
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Correspondence to Varagur G. Malathi.

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Usharani, K., Surendranath, B., Haq, Q. et al. Infectivity analysis of a soybean isolate of Mungbean yellow mosaic India virus by agroinoculation. J Gen Plant Pathol 71, 230–237 (2005). https://doi.org/10.1007/s10327-005-0193-4

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  • DOI: https://doi.org/10.1007/s10327-005-0193-4

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