Evolutionary relationships in the ilarviruses: nucleotide sequence of prunus necrotic ringspot virus RNA 3

Archives of Virology
J Sanchez-Navarro, V Pallás

Abstract

The complete nucleotide sequence of an isolate of prunus necrotic ringspot virus (PNRSV) RNA 3 has been determined. Elucidation of the amino acid sequence of the proteins encoded by the two large open reading frames (ORFs) allowed us to carry out comparative and phylogenetic studies on the movement (MP) and coat (CP) proteins in the ilarvirus group. Amino acid sequence comparison of the MP revealed a highly conserved basic sequence motif with an amphipathic alpha-helical structure preceding the conserved motif of the '30K superfamily' proposed by Mushegian and Koonin [26] for MP's. Within this '30K' motif a strictly conserved transmembrane domain is present in all ilarviruses sequenced so far. At the amino-terminal end, prune dwarf virus (PDV) has an extension not present in other ilarviruses but which is observed in all bromo- and cucumoviruses, suggesting a common ancestor or a recombinational event in the Bromoviridae family. Examination of the N-terminus of the CP's of all ilarviruses revealed a highly basic region, part of which resembles the Arg-rich motif that has been characterized in the RNA-binding protein family. This motif has also been found in the other members of the Bromoviridae family, suggesting its involvemen...Continue Reading

Citations

Oct 8, 2005·Journal of Molecular Evolution·Francisco M CodoñerSantiago F Elena
Feb 14, 2012·Archives of Virology·Hongguang CuiAiming Wang
Jan 16, 2014·Indian Journal of Virology : an Official Organ of Indian Virological Society·Saurabh KulshresthaAijaz Asghar Zaidi
Nov 15, 2012·Phytopathology·V PallasJ A Sanchez-Navarro
Oct 24, 2008·Phytopathology·Khalid AmariMaría Amelia Sanchez-Pina
May 30, 2006·Journal of Virology·Francisco M CodoñerSantiago F Elena
Nov 17, 2011·PloS One·Frederic AparicioJosé Ramón Murguía
Sep 12, 2001·Molecular Plant-microbe Interactions : MPMI·J A Sánchez-Navarro, J F Bol
Feb 7, 2008·Physiologia Plantarum·Khalid AmariJosé Antonio Hernández
Jun 19, 2008·The Journal of General Virology·Francisco M Codoñer, Santiago F Elena
Mar 14, 2009·The Journal of General Virology·Khalid AmariMaria Amelia Sánchez-Pina

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