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Molecular Characterization of Begomoviruses DNA-A and Associated Beta Satellites with New Host Ocimum sanctum in India

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Proceedings of the National Academy of Sciences, India Section B: Biological Sciences Aims and scope Submit manuscript

Abstract

Ocimum sanctum (Tulsi) is a native Indian subcontinent plant with important medicinal values. Leaves with mosaic and curling observed on O. sanctum in Rajasthan province of India were severely stunted having symptoms of typical Begomovirus infection. The authors report on a comprehensive study of sequence variations, phylogeny and recombination breakpoints for Tomato leaf curl virus, prevailing in the plant O. sanctum. To confirm Begomovirus infection, PCR and whole genome amplification via rolling circle experiments were exhibited by means of complete nucleic acid (DNA) isolated from symptomatic plants leaves. Sequence analysis established the association of betasatellite molecule along with DNA-A genome and contemplated as isolate of Tomato leaf curl virus as it showed 98% similarity with ToLCV. The present study includes phylogenetic, recombination and pathogenicity analysis of ToLCV infecting O. sanctum.

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Acknowledgements

The authors convey gratitude to Council of Scientific and Industrial Research (File No. 09/1064 (0002)/2013-EMR-1) for the financial assistance.

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Authors and Affiliations

  1. Department of Biosciences, College of Arts, Science and Humanities, Mody University of Science and Technology, Lakshmangarh, Sikar, Rajasthan, 332311, India

    Chitra Nehra, Rakesh Kumar Verma & R. K. Gaur

  2. Department of Biotechnology, Vigyan Bhawan – Block B, New Campus, Mohanlal Sukhadia University, Udaipur, Rajasthan, 313001, India

    Avinash Marwal

Authors
  1. Chitra Nehra
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  2. Avinash Marwal
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  3. Rakesh Kumar Verma
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  4. R. K. Gaur
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Correspondence to R. K. Gaur.

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The present research doesn’t involve the human or any animal based experiments.

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Significance Statement

This study includes phylogenetic, recombination and pathogenicity analysis of TLCuV infecting O. sanctum. As far as anyone is concerned, the carried out study is the foremost account of TLCuV naturally infecting a new host O. sanctum in India.

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Nehra, C., Marwal, A., Verma, R.K. et al. Molecular Characterization of Begomoviruses DNA-A and Associated Beta Satellites with New Host Ocimum sanctum in India. Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 89, 903–910 (2019). https://doi.org/10.1007/s40011-018-1006-9

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  • DOI: https://doi.org/10.1007/s40011-018-1006-9

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