Plant Viruses
Online 
Descriptions and Lists from
the VIDE Database
Caulimoviruses
Index
Nomenclature
ICTV reference
Definitive species
Tentative species
Host range and
symptoms
Natural host range and symptoms
Symptoms
persist (11/12), or vary seasonally (2/12).
Transmission
Transmitted by a vector (8/9), or means not
involving a vector (1/9); an insect (8/8); Aphididae (8/8). Transmitted in a
non-persistent manner (1/5), or in a semi-persistent manner (4/5). Virus
lost by the vector when it moults (3/3); does not multiply in the vector (4/4);
not transmitted congenitally to the progeny of the vector (4/4); transmitted by
mechanical inoculation (8/13), or not transmitted by mechanical inoculation
(5/13); transmitted by grafting (8/8); transmitted by contact between plants
(1/5), or not transmitted by contact between plants (4/5); not transmitted by
seed (8/8); not transmitted by pollen (3/3).
Experimental host range
Several (3-9) families
susceptible (2/10), or few (<3) families susceptible (8/10).
Susceptible host species
Insusceptible host species
Families containing susceptible hosts
Families containing
insusceptible hosts
Physical and
biochemical properties
Properties of particles in sap
TIP:
75-81.5-90 °C. LIV: 1-8-32 days. DEP: log10 minus 3-4 (4/5). Infectivity of
sap not changed by treatment with di-ethyl ether (3/3). Leaf sap contains few
virions (10/11), or contains many virions (1/11).
Particle morphology
Virions isometric; not enveloped
(14/14); 35-47.52-50 nm in diameter; rounded in profile (13/15), or angular in
profile (2/15); with a conspicuous capsomere arrangement (3/10), or without a
conspicuous capsomere arrangement (7/10).
Physical properties
One sedimenting component in purified
preparations (11/12), or two sedimenting components in purified preparations
(1/12); sedimentation coefficient 200-223.9-275 S; of the other(s) 212
S. Density 1.3-1.347-1.4 g cm-3 in CsCl. Isoelectric point pH 4.
Biochemical properties
Virions contain 14.5-16.08-17 %
nucleic acid; 83-84.41-85.9 % protein; 0 % lipid.
Genome consists of DNA (13/13); double-stranded (13/13); circular
(10/10), or linear (2/10). Total genome size 6.8-7.771-8.175 kb. Genome
unipartite (9/10), or of two parts (1/10); largest (or only) genome part
6.8-7.771-8.175 kb. Base composition of ds genome 28-35.5-43 % (G + C).
Infectivity retained when deproteinised with proteases (2/3), or decreased when
deproteinised with proteases (1/3); retained when deproteinised with phenol or
detergent (4/4). Poly A region present (1/2), or absent (2/2). Genome has no
tRNA-like activity (1/1).
Features of the genome
Non-genomic nucleic acid
not found in the virions (5/5). Sub-genomic mRNA found in infected
cells (1/1).
Features of proteins
Virion protein(s) one (6/7), or
three (1/7); Mr 32000-47500-75000. Mr of 2nd largest 44000.
Mr of 3rd largest 33000.
Replication
Genome replicates in nuclei (3/3), or in
cytoplasm (2/3). Replication does not depend on a helper virus (7/7).
Cytopathology
Virions found in cytoplasm (12/13), or in
nuclei (3/13), or in the perinuclear space (1/13), or in unusual sites (1/13).
Inclusions present in infected cells (15/15); are viroplasms (10/14), or unusual
in shape (5/14); they contain virions (13/15), or they do not contain virions
(2/15).
Taxonomy and relationships
No data available.
Illustrations
Cite this publication as:
Brunt, A.A., Crabtree, K., Dallwitz, M.J., Gibbs, A.J., Watson, L. and Zurcher, E.J. (eds.)
(1996 onwards).
`Plant Viruses Online: Descriptions and Lists from the VIDE Database.
Version: 20th August 1996.' URL
http://biology.anu.edu.au/Groups/MES/vide/
Dallwitz (1980)
and
Dallwitz, Paine and Zurcher (1993)
should also be cited.
Please send comments, corrections and suggestions to:
vide-manager@biology.anu.edu.au
