Plant Viruses Online   

Descriptions and Lists from the VIDE Database

Digitaria striate mosaic monogeminivirus

Index

• Nomenclature
• Host range, transmission and symptoms
• Physical and biochemical properties
• Taxonomy and relationships
• Comments and References

Data collated by A.A. Brunt, 1995.

Nomenclature

Synonyms

Digitaria didactyla striate mosaic virus (Pinner et al., 1992).

Acronym

DiSMV

ICTV decimal code

29.0.1.0.005

Host range and symptoms

Natural host range and symptoms

• Digitaria didactyla - striate mosaic.

Transmission

Transmitted by a vector; an insect; Nesoclutha pallida; Cicadellidae. Not transmitted by Cicadulina bimaculata. Transmitted in a persistent manner. Virus not transmitted by mechanical inoculation.

Geographical distribution

Geographical distribution probably restricted. Spreads in Australia.

Experimental host range

Few (<3) families susceptible. Experimentally infected plants mostly show Striate mosaic.

Diagnostically susceptible host species and symptoms

• Dactyloctenium aegyptium, Leptochloa filiformis, Triticum aestivum - leaf streaking.

Diagnostically insusceptible host species

Bromus catharticus, Digitaria ciliaris, Lolium multiflorum, Paspalum dilatatum.

Maintenance and propagation hosts

Triticum aestivum cv. Gatcher.

Assay hosts (Local lesions or Whole plants)

Triticum aestivum cv. Gatcher (W).

Susceptible host species

• Avena sativa
• Chloris gayana
• Dactyloctenium aegyptium
• Digitaria didactyla
• Hordeum vulgare
• Leptochloa filiformis
• Lolium multiflorum
• Setaria italica
• Triticum aestivum
• Zea mays

Insusceptible host species

• Bromus catharticus
• Digitaria ciliaris
• Lolium multiflorum
• Panicum miliaceum
• Paspalum dilatatum

Families containing susceptible hosts

• Gramineae (10/14)

Families containing insusceptible hosts

• Gramineae (5/14)

Sources of host-range data

Greber (1989).

Purification method

Pinner et al. (1992).

Physical and biochemical properties

Particle morphology

Virions geminate; not enveloped; 18 nm in diameter; dimers 30 nm in length.

Biochemical properties

Genome consists of DNA; single-stranded.

Cytopathology

Virions found in cytoplasm and in nuclei.

Taxonomy and relationships

monogeminivirus: Geminiviridae

Virus(es) with serologically related virions

Chloris striate mosaic, paspalum striate mosaic, distantly and digitaria streak, wheat dwarf, maize streak, panicum streak and sugarcane streak very distantly.

Comments and References

References

• Greber, R.S. (1989). Ann. appl. Biol. 114: 471.
• Pinner, M.S., Markham, P.G., Rybicki, E.P. and Greber, R.S. (1992). Pl. Path. 41: 618.

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: 20^th August 1996.' URL http://biology.anu.edu.au/Groups/MES/vide/

Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.