Cytorhabdovirus
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. Lettuce necrotic yellows virus. Fig. 1 Purified virions stained with ammonium molybdate (Photograph courtesy of D. Gowanlock, University of Queensland)
Virion Morphology:
Bacilliform
Envelope:
Yes
Diameter (nm):
60–75
Length (nm):
200–350
Structural components:
Core (RNA, N, P, L), matrix, lipid envelope, G
Buoyant density (g/mL):
1.19–1.20
Buoyant density method:
Sucrose or potassium tartrate
Lipid composition:
Lipid envelope derived from cytoplasma membrane of Host cell
Additional information:
G protein protrudes through lipid envelope
C. Tidona, G. Darai (eds.), The Springer Index of Viruses, DOI 10.1007/978-0-387-95919-1, # Springer Science+Business Media, LLC 2011
1710
Cytorhabdovirus
Genome Nucleic acid:
RNA
Strandedness:
Single-stranded
Polarity:
Negative-sense
Configuration:
Linear
Segment organization:
Segment no. 1 (kb):
12.8–14.5
One segment(s):
12.8–14.5 (kb) total (calculated)
G + C content (%):
41–42
mRNA transcripts:
6–9
Open reading frames:
6–10
Additional information:
Conserved gene junctions; complementary termini
Replication Entry mechanism:
Mechanical or insect vector
Site of transcription:
Unknown
Transcriptase:
Virus-encoded RNA-dependent RNA polymerase
Site of genome replication:
Viroplasms in cytoplasm
Replicase:
Virus-encoded RNA-dependent RNA polymerase
Replication intermediate:
Antigenomic (positive-sense) strand
Site of virion assembly:
Cytoplasm
Egress mechanism:
Budding from vesicles of the endoplasmic reticulum
Additional information:
Infection process not well studied awaiting molecular cell biology analysis
History Year of event Event
References
1932
Strawberry crinkle disease described
Zeller SM, Vaughan EK (1932) Phytopathol 22:709–713
1944
Northern cereal mosaic disease described
Ito S, Fukushi T (1944) J Sapporo Soc Agric For 36:62–89
1953
American wheat striate mosaic disease described
Slykhuis JT (1953) Phytopathol 43:537
1963
Lettuce necrotic yellows disease described
Stubbs LL, Grogan RG (1963) Aust J Agric Res 14:439–459
1968
Broccoli necrotic yellows virus identified
Hills GJ, Campbell RN (1968) J Ultrastruct Res 24:134
1972
Barley yellow striate mosaic virus isolated
Conti M (1972) Phytopathol Z 73:39–45
1976
Festuca leaf streak virus identified
Lundsgaard T, Albrechtsen SE (1976) Phytopath Z 87:12–16
1987
Experimental transmission of SCV to solanaceous plants after aphid injection enabled virus purification
Sylvester ES, Richardson J, Stenger DC (1987) Plant Dis 71:972–975
1994
Genome organization of LNYV reported
Wetzel T, Dietzgen RG, Dale JL (1994) Virology 200:401–412
Cytorhabdovirus
Year of event Event
References
2000
First complete nucleotide sequence of NCMV Tanno F et al (2000) Arch Virol 145:1373–1384 reported
2004
Two phylogenetically distinct groups of SCV isolates identified
Klerks M et al (2004) Eur J Plant Pathol 110:45–52
2005
Nucleocapsid gene variability reveals two LNYV subgroups
Callaghan B, Dietzgen RG (2005) Arch Virol 150:1661–1667
2006
Genome s
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