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Descriptions are generated automatically from the ICTVdB database including links. Some descriptions are only very basic and links may point to documents that are not yet published on the Web.

00.057.0.81.009. Bramble yellow mosaic virus

Cite this publication as: ICTVdB Management (2006). 00.057.0.81.009. Bramble yellow mosaic virus. In: ICTVdB - The Universal Virus Database, version 4. Büchen-Osmond, C. (Ed), Columbia University, New York, USA

Cite this site as: ICTVdB - The Universal Virus Database, version 4. http://www.ncbi.nlm.nih.gov/ICTVdb/ICTVdB/

Table of Contents

Isolate Description

Location: South Africa.

Host of Isolate and Habitat Details
Source of isolate: Rubus rigidus (wild trailing blackberry).

Natural host and symptoms
Rubus rigidus — yellow mosaic and line patterns in early spring; later leaves symptomless.

Reference to Isolation Report
Engelbrecht (1963).

Classification

This is a description of a plant virus at the species level.

ICTVdB Virus Code: 00.057.0.81.009. Virus accession number: 57081009. Obsolete virus code: 57.0.1.T.009; superceded accession number: 5701t009.

Name, Synonyms and Lineage

ICTV approved acronym: BrmYMV. Virus is a tentative member of the genus 00.057.0.01. Potyvirus; family 00.057. Potyviridae .

Virion Properties

Morphology

Virions consist of a capsid. Virus capsid is not enveloped. Capsid/nucleocapsid is elongated with helical symmetry. The capsid is filamentous, flexuous with a clear modal length with a length of 730 nm. Axial canal is indistinct. Basic helix is obscure.

Physicochemical and Physical Properties

The thermal inactivation point (TIP) is at 55°C. The longevity in vitro (LIV) is 8 days (at 20°C). Although the titer is dependent on the host, the decimal exponent (DEX) of the dilution end point is usually around 4.

Nucleic Acid

The genome is monopartite. Only one particle size of linear, positive-sense, single-stranded RNA is recovered.

Proteins

The viral genome encodes structural proteins and non-structural proteins.

Lipids

Lipids are not reported.

Biological Properties

Natural Host

Domain
Viral hosts belong to the Domain Eucarya.

Domain Eucarya
Kingdom Plantae.

Kingdom Plantae
Phylum Magnoliophyta (Angiosperms, Class Magnoliopsida (Dicotyledonae).

Severity and Occurrence of Disease

Host: Signs and symptoms persist.

Transmission and Vector Relationships

Virus is transmitted by mechanical inoculation; transmitted by grafting; transmitted by seeds.

Experimental Hosts and Symptoms

Under experimental conditions susceptibility to infection by virus is found in several families. Susceptible host species are found in the Family Amaranthaceae, Chenopodiaceae, Rosaceae, Solanaceae. The following species were susceptible to experimental virus infection: Chenopodium murale, Chenopodium quinoa, Gomphrena globosa, Nicotiana tabacum, Rubus rigidus.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Cucurbitaceae, Leguminosae-Papilionoideae, or Solanaceae. Species inoculated with virus that do not show signs of susceptibility: Cucumis sativus, Petunia x hybrida, Phaseolus vulgaris.

Diagnostic Hosts

Diagnostic host species and symptoms:

Chenopodium murale, C. quinoa — local lesions; systemic necrotic ringspots or chlorotic mottling.

Gomphrena globosa, Nicotiana tabacum — chlorotic or necrotic local lesions; not systemic.

Diagnostic host: insusceptible host species Cucumis sativus, Petunia x hybrida, Phaseolus vulgaris.

Maintenance and Propagation Hosts

Most commonly used maintenance and propagation host species are Chenopodium murale.

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Chenopodium murale (L/W).

Geographical Distribution

The virus is found, but with no evidence of proliferation, in South Africa.

References

Engelbrecht, D.J. (1963). S. Afr. J. Lab. clin. Med. 9: 140.

Engelbrecht, D.J. (1976). Acta Hort. 66: 79.

Engelbrecht, D.J. and van der Walt, W.J.K. (1974). Phytophylactica 6: 311.

The following generic references are cited in the most recent ICTV Report.
VIDEdB, the plant virus database developed at the Australian National University by Adrian J. Gibbs and collaborators, contains an earlier description with the number 106 by A.A. Brunt, 1991.



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DELTA - DEscription Language for TAxonomy developed by Dr Mike Dallwitz, Toni Paine and Eric Zurcher, CSIRO Entomology, Canberra, Australia. ICTVdB - The Universal Virus Database, developed for the International Committee on Taxonomy of Viruses by Dr Cornelia Büchen-Osmond is written in DELTA. The virus descriptions in ICTVdB are coded by, or using data from experts in the field of virology or members ICTV. The character list is the underlying code. All virus descriptions are based on the character list and natural language translations are automatically generated and formatted for display on the Web from the descriptions in DELTA-format. The description has been generated automatically from DELTA files. DELTA - DEscription Language for TAxonomy developed by Dr Mike Dallwitz, Toni Paine and Eric Zurcher, CSIRO Entomology, Canberra, Australia.

ICTVdB - The Universal Virus Database, developed for the International Committee on Taxonomy of Viruses (ICTV) by Dr Cornelia Büchen-Osmond, is written in DELTA. The virus descriptions in ICTVdB are coded by ICTV members and experts, or by the ICTVdB Management using data provided by the experts, the literature or the latest ICTV Report. The character list is the underlying code. All virus descriptions are based on the character list and natural language translations from the encoded descriptions are automatically generated and formatted for display on the Web.

Developer of the DELTA software: M. J. Dallwitz, T. Paine and E. Zurcher

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Last updated on 25 April 2006 by Cornelia Büchen-Osmond
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