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      Complete Genome Sequence of a Velogenic Newcastle Disease Virus Isolated from an Apparently Healthy Village Chicken in South India

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          Abstract

          We report the complete genome sequence of a Newcastle disease virus (NDV) isolate, NDV-D1/1998, from an apparently healthy village chicken in South India. This class II, genotype II virus is 15,186 nucleotides in length with unique amino acid variations and was found to be a velogenic pathotype by standard pathogenicity tests.

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          Most cited references4

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          A summary of taxonomic changes recently approved by ICTV.

          M. Mayo (2002)
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            Improved rapid amplification of cDNA ends (RACE) for mapping both the 5' and 3' terminal sequences of paramyxovirus genomes.

            Rapid amplification of cDNA ends (RACE) is a powerful PCR-based technique for determination of RNA terminal sequences. However, most of the RACE methods reported in the literature are developed specifically for the mapping of eukaryotic transcripts with 3' poly-A tail and 5' cap structure. In this study, an improved RACE strategy was developed which allows both 5' and 3' RACE of paramyxovirus genomic RNA using the same set of common molecular biology reagents without having to rely on expensive RACE kits. Mapping of RNA genome terminal sequences is an essential part of characterizing novel paramyxoviruses since these sequences contain important signals for genome replication and transcription, and are important molecular markers for studying virus evolution. The usefulness of this strategy was demonstrated by rapid characterization of both genome ends for a novel paramyxovirus recently isolated from human kidney primary cells. The RACE strategy described in this paper is simple, cost-effective and can be used to map genome ends of any RNA viruses.
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              Location of neutralizing epitopes on the fusion protein of Newcastle disease virus strain Beaudette C.

              A panel of eight neutralizing monoclonal antibodies (MAbs) against the fusion (F) protein of Newcastle disease virus (NDV) has been shown to locate a major antigenic site on the basis of competitive binding assay and additivity index studies. Five epitopes (A1 to A5) have been located within this site on the F protein of the Beaudette C strain of NDV on the basis of cross-resistance plaque assays of MAb-resistant mutants raised against these MAbs. Epitopes A1, A4 and A5 are distinct; epitope A2 partially overlaps epitope A3. Nucleotide sequence analysis of the F genes of MAb-resistant mutants showed that each predicted single amino acid substitutions ranging from amino acid residues 157 to 171 for epitope A4 and at residues 72, 78, 79 and 343 for epitopes A1, A2, A3 and A5 respectively. These locations indicate that both the F1 and F2 fragments are involved in the formation of a single antigenic site and suggest the involvement of extensive protein folding in the active form of this F protein.
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                Author and article information

                Journal
                Genome Announc
                Genome Announc
                ga
                ga
                GA
                Genome Announcements
                American Society for Microbiology (1752 N St., N.W., Washington, DC )
                2169-8287
                19 June 2014
                May-Jun 2014
                : 2
                : 3
                : e00597-14
                Affiliations
                [a ]Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, India
                [b ]School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, College Road, Loughborough, Leicestershire, United Kingdom
                [c ]Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
                Author notes
                Address correspondence to Subbiah Elankumaran, kumarans@ 123456vt.edu .
                Article
                genomeA00597-14
                10.1128/genomeA.00597-14
                4064031
                d87a21bb-89e2-4462-bb09-d6d56b40729b
                Copyright © 2014 Uthrakumar et al.

                This is an open-access article distributed under the terms of the Creative Commons Attribution 3.0 Unported license.

                History
                : 27 May 2014
                : 6 June 2014
                Page count
                Pages: 2
                Categories
                Viruses
                Custom metadata
                May/June 2014
                free

                Genetics
                Genetics

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