Abstract
Maize Iranian mosaic virus (MIMV) is a negative-sense single-stranded RNA virus that is classified in the genus Nucleorhabdovirus, family Rhabdoviridae. The MIMV genome contains six open reading frames (ORFs) that encode in 3΄ to 5΄ order the nucleocapsid protein (N), phosphoprotein (P), putative movement protein (P3), matrix protein (M), glycoprotein (G) and RNA-dependent RNA polymerase (L). In this study, we determined the first complete genome sequence of MIMV using Illumina RNA-Seq and 3′/5′ RACE. MIMV genome (‘Fars’ isolate) is 12,426 nucleotides in length. Unexpectedly, the predicted N gene ORF of this isolate and of four other Iranian isolates is 143 nucleotides shorter than that of the MIMV coding-complete reference isolate ‘Shiraz 1’ (Genbank NC_011542), possibly due to a minor error in the previous sequence. Genetic variability among the N, P, P3 and G ORFs of Iranian MIMV isolates was limited, but highest in the G gene ORF. Phylogenetic analysis of complete nucleorhabdovirus genomes demonstrated a close evolutionary relationship between MIMV, maize mosaic virus and taro vein chlorosis virus.
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Acknowledgements
We thank Dr Kathleen Martin (Kansas State University) for critical reading of the manuscript. This research was jointly supported by the Queensland Department of Agriculture and Fisheries and the University of Queensland through the Queensland Alliance for Agriculture and Food Innovation. AG was supported by a scholarship from Shiraz University, Iran.
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Ghorbani, A., Izadpanah, K. & Dietzgen, R.G. Completed sequence and corrected annotation of the genome of maize Iranian mosaic virus. Arch Virol 163, 767–770 (2018). https://doi.org/10.1007/s00705-017-3646-0
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DOI: https://doi.org/10.1007/s00705-017-3646-0