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http://krishi.icar.gov.in/jspui/handle/123456789/10255
Title: | Isolation and evolutionary analysis of Australasian topotype of bluetongue virus serotype 4 from India |
Other Titles: | Not Available |
Authors: | Reddy Y V Susmitha B Patil S S Krishnajyothi Y Putty K Ramakrishna K V Sunitha G Devi B V Kavitha K Deepthi B Krovvidi S Reddy Y N Reddy G H Singh K P Maan N S Hemadri D Maan S Mertens P P Hegde N R Rao P P |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | Ella Foundation, Hyderabad, Telangana, India. PVNR Telangana Veterinary University, Hyderabad, Telangana, India. 3 Veterinary Biological & Research Institute, Hyderabad, Telangana, India. 4 Animal Disease Diagnostic Laboratory, Eluru, Andhra Pradesh, India. 5 Sreenidhi Institute of Science and Technology, Telangana, India. 6 Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India. 7 LLR University of Veterinary and Animal Sciences, Hisar, Haryana, India. 8 National Institute of Veterinary Epidemiology & Disease Informatics, Bengaluru, Karnataka, India. 9 The Pirbright Institute, Pirbright, Woking, UK. |
Published/ Complete Date: | 2018-04-01 |
Project Code: | Not Available |
Keywords: | Australasia BTV-4 India RT-PCR bluetongue bluetongue virus isolation sequencing typing |
Publisher: | Nottingham ePrints |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Bluetongue (BT) is a Culicoides-borne disease caused by several serotypes of bluetongue virus (BTV). Similar to other insect-borne viral diseases, distribution of BT is limited to distribution of Culicoides species competent to transmit BTV. In the tropics, vector activity is almost year long, and hence, the disease is endemic, with the circulation of several serotypes of BTV, whereas in temperate areas, seasonal incursions of a limited number of serotypes of BTV from neighbouring tropical areas are observed. Although BTV is endemic in all the three major tropical regions (parts of Africa, America and Asia) of the world, the distribution of serotypes is not alike. Apart from serological diversity, geography-based diversity of BTV genome has been observed, and this is the basis for proposal of topotypes. However, evolution of these topotypes is not well understood. In this study, we report the isolation and characterization of several BTV-4 isolates from India. These isolates are distinct from BTV-4 isolates from other geographical regions. Analysis of available BTV seg-2 sequences indicated that the Australasian BTV-4 diverged from African viruses around 3,500 years ago, whereas the American viruses diverged relatively recently (1,684 CE). Unlike Australasia and America, BTV-4 strains of the Mediterranean area evolved through several independent incursions. We speculate that independent evolution of BTV in different geographical areas over long periods of time might have led to the diversity observed in the current virus population. |
Description: | Not Available |
ISSN: | 1865-1682 |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Transboundary and Emerging Diseases (Journal of Veterinary Medicine - A) |
NAAS Rating: | 10.19 |
Volume No.: | 65(2) |
Page Number: | 547-556 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | 10.1111/tbed.12738. Epub 2017 Nov 9. |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/10255 |
Appears in Collections: | AS-NIVEDI-Publication |
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