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Complete genome sequence of maize yellow striate virus, a new cytorhabdovirus infecting maize and wheat crops in Argentina

Abstract

A rhabdovirus infecting maize and wheat crops in Argentina was molecularly characterized. Through next-generation sequencing (NGS) of symptomatic leaf samples, the complete genome was obtained of two isolates of maize yellow striate virus (MYSV), a putative new rhabdovirus, differing by only 0.4% at the nucleotide level. The MYSV genome consists of 12,654 nucleotides for maize and wheat virus isolates, and shares 71% nucleotide sequence identity with the complete genome of barley yellow striate mosaic virus (BYSMV, NC028244). Ten open reading frames (ORFs) were predicted in the MYSV genome from the antigenomic strand and were compared with their BYSMV counterparts. The highest amino acid sequence identity of the MYSV and BYSMV proteins was 80% between the L proteins, and the lowest was 37% between the proteins 4. Phylogenetic analysis suggested that the MYSV isolates are new members of the genus Cytorhabdovirus, family Rhabdoviridae. Yellow striate, affecting maize and wheat crops in Argentina, is an emergent disease that presents a potential economic risk for these widely distributed crops.

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Correspondence to Fernanda Maurino.

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Funding

This work was funded by INTA Research Projects (PNPV-1135022 INTA) and Fundación ArgenINTA.

Conflict of interest

Author María Fernanda Maurino has received research grants from Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Author Analía Delina Dumón has received research grants from Fondo para la Investigación Científica y Tecnológica (FONCyT). Authors Vanina Alemandri, Gabriela Llauger, Luis A. de Haro, M. Fernanda Mattio, Mariana del Vas, Irma Graciela Laguna and María de la Paz Giménez Pecci declare that they have no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Handling Editor: Ralf Georg Dietzgen.

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Maurino, F., Dumón, A.D., Llauger, G. et al. Complete genome sequence of maize yellow striate virus, a new cytorhabdovirus infecting maize and wheat crops in Argentina. Arch Virol 163, 291–295 (2018). https://doi.org/10.1007/s00705-017-3579-7

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  • DOI: https://doi.org/10.1007/s00705-017-3579-7