Archives of Virology (2014) 159, 2193-2203

Arvind Varsani, Jesús Navas-Castillo, Enrique Moriones, Cecilia Hernández-Zepeda, Ali Idris, Judith K. Brown, F. Murilo Zerbini and Darren P. Martin (2014)
Establishment of three new genera in the family Geminiviridae: Becurtovirus, Eragrovirus and Turncurtovirus
Archives of Virology 159 (8), 2193-2203
Abstract: The family Geminiviridae includes plant-infecting circular single-stranded DNA viruses that have geminate particle morphology. Members of this family infect both monocotyledonous and dicotyledonous plants and have a nearly global distribution. With the advent of new molecular tools and low-cost sequencing, there has been a significant increase in the discovery of new geminiviruses in various cultivated and non-cultivated plants. In this communication, we highlight the establishment of three new genera (Becurtovirus, Eragrovirus and Turncurtovirus) to accommodate various recently discovered geminiviruses that are highly divergent and, in some cases, have unique genome architectures. The genus Becurtovirus has two viral species, Beet curly top Iran virus (28 isolates; leafhopper vector Circulifer haematoceps) and Spinach curly top Arizona virus (1 isolate; unknown vector), whereas the genera Eragrovirus and Turncurtovirus each have a single assigned species: Eragrostis curvula streak virus (6 isolates; unknown vector) and Turnip curly top virus (20 isolates; leafhopper vector Circulifer haematoceps), respectively. Based on analysis of all of the genome sequences available in public databases for each of the three new genera, we provide guidelines and protocols for species and strain classification within these three new genera.
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Database assignments for author(s): Darren P. Martin, F. Murilo Zerbini, Judith K. Brown, Jesús Navas-Castillo, Ali M. Idris

Research topic(s) for pests/diseases/weeds:
identification/taxonomy

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Beet curly top Iran virus
	Turnip curly top virus