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Ongoing geographical spread of Tomato yellow leaf curl virus

Ongoing geographical spread of Tomato yellow leaf curl virus

Mabvakure, Batsirai, Martin, Darren P., Kraberger, Simona, Cloete, Leendert, van Brunschot, Sharon ORCID: 0000-0002-9634-9463, Geering, Andrew D.W., Thomas, John E., Bananej, Kaveh, Lett, Jean-Michel, Lefeuvre, Pierre, Varsani, Arvind and Harkins, Gordon W. (2016) Ongoing geographical spread of Tomato yellow leaf curl virus. Virology, 498. pp. 257-264. ISSN 0042-6822 (doi:10.1016/j.virol.2016.08.033)

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Abstract

Tomato yellow leaf curl virus (TYLCV) seriously impacts tomato production throughout tropical and sub-tropical regions of the world. It has a broad geographical distribution and continues to spread to new regions in the Indian and Pacific Oceans including Australia, New Caledonia and Mauritius. We undertook a temporally-scaled, phylogeographic analysis of all publicly available, full genome sequences of TYLCV, together with 70 new genome sequences from Australia, Iran and Mauritius. This revealed that whereas epidemics in Australia and China likely originated through multiple independent viral introductions from the East-Asian region around Japan and Korea, the New Caledonian epidemic was seeded by a variant from the Western Mediterranean region and the Mauritian epidemic by a variant from the neighbouring island of Reunion. Finally, we show that inter-continental scale movements of TYLCV to East Asia have, at least temporarily, ceased, whereas long-distance movements to the Americas and Australia are probably still ongoing.

Item Type: Article
Uncontrolled Keywords: TYLCV; Phylogeography; Geminivirus; Tomato
Subjects: S Agriculture > S Agriculture (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Faculty of Engineering & Science > Natural Resources Institute > Plant Health Research Group
Last Modified: 16 Sep 2017 00:38
Selected for GREAT 2016: None
Selected for GREAT 2017: GREAT b
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/17186

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