A Chinese isolate of barley yellow dwarf virus-PAV represents a third distinct species within the PAV serotype.
The complete nucleotide sequence of barley yellow dwarf virus (BYDV) PAV-CN genomic RNA was determined. This represents the seventh complete genome sequence of a BYDV-PAV serotype. The genome organization of PAV-CN was comparable to that of other BYDV-PAV serotypes, but the nucleotide sequence of full genome was only 76.9-80.3% similar. Sequence similarity of individual open reading frames and untranslated regions (UTR) between PAV-CN and other PAV isolates ranged from 37.9 to 98.2%. Overall, PAV-CN was most similar to BYDV-PAS, which belongs to one of two distinct species within the PAV serotype of BYDV, although the 5' UTR and ORF1 of PAV-CN was most similar to BYDV-GAV, another member of the genus Luteovirus that is not serologically related to BYDV-PAV. These data suggest that PAV-CN may have undergone a recombination event with GAV and that PAV-CN represents a third distinct species within the PAV serotype of BYDV.
Liu
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F
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, PR China.
Wang
X
X
Liu
Y
Y
Xie
J
J
Gray
S M
SM
Zhou
G
G
Gao
B
B
D020413:3' Untranslated Regions; D000595:Amino Acid Sequence; D001483:Base Sequence; D036022:Capsid Proteins / Q000235:genetics; D002681:China; D017931:DNA Primers / Q000235:genetics; D004279:DNA, Viral / Q000737:chemistry / Q000235:genetics; D001467:Hordeum / Q000821:virology*; D017793:Luteovirus / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification* / Q000472:pathogenicity; D008969:Molecular Sequence Data; D009690:Nucleic Acid Conformation; D010802:Phylogeny; D010935:Plant Diseases / Q000821:virology; D017386:Sequence Homology, Amino Acid; D012689:Sequence Homology, Nucleic Acid; D012703:Serotyping; D013045:Species Specificity
D020413:3' Untranslated Regions; D036022:Capsid Proteins; D017931:DNA Primers; D004279:DNA, Viral