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00.057.0.81.047. Kennedya virus Y

Cite this publication as: ICTVdB Management (2006). 00.057.0.81.047. Kennedya virus Y. 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: the South coast of N.S.W.; Australia.

Host of Isolate and Habitat Details
Source of isolate: Kennedya rubicunda.

Natural host and symptoms
Kennedya rubicunda — mild marble mosaic.

Reference to Isolation Report
Dale et al. (1975).

Classification

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

ICTVdB Virus Code: 00.057.0.81.047. Virus accession number: 57081047. Obsolete virus code: 57.0.1.T.047; superceded accession number: 5701t047.

Name, Synonyms and Lineage

ICTV approved acronym: KVY. Virus is an ICTV approved species of the genus 00.057.0.01. Potyvirus in the 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 710 nm and a width of c. 12 nm. Axial canal is indistinct. Basic helix is obscure.

Electron microscopic preparation and references: Virus preparation contains few virions.

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).

Severity and Occurrence of Disease

Host: Signs and symptoms persist.

Transmission and Vector Relationships

Virus is transmitted by mechanical inoculation; not transmitted by seeds.

Experimental Hosts and Symptoms

Susceptible host species are found in the Family Leguminosae-Papilionoideae, Solanaceae. The following species were susceptible to experimental virus infection: Glycine max, Kennedya rubicunda, Nicotiana glutinosa, Phaseolus vulgaris.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Leguminosae-Papilionoideae, Solanaceae. Species inoculated with virus that do not show signs of susceptibility: Nicotiana glutinosa, Pisum sativum.

Diagnostic Hosts

Diagnostic host species and symptoms:

Phaseolus vulgaris cv. Pinto — local lesions, tip blight.

Glycine max — systemic mosaic. Diagnostic host: insusceptible host species Pisum sativum, Nicotiana glutinosa.

Maintenance and Propagation Hosts

Most commonly used maintenance and propagation host species are Glycine max.

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Phaseolus vulgaris cv. Pinto (L).

References to host data: Dale et al. (1975).

Histopathology: Virus can be best detected in leaves. Virions are found in the cytoplasm.

Cytopathology: Inclusions are present in infected cells. Inclusion bodies in the host cell are found in the cytoplasm. Cytoplasmic inclusions are pinwheels. Inclusions do not contain mature virions.

Geographical Distribution

The virus occurs in Australia (the south eastern region).

References

Dale, J.L., Gardiner, JE and Gibbs, AJ. (1975). Aust. Pl. Path. Soc. Newsl. 4: 13.

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 429 by A.J. Gibbs, 1987.



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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

ICTVdB and DELTA related References

Comments to ICTVdB Management
Last updated on 25 April 2006 by Cornelia Büchen-Osmond
Copyright © 2002    International Committee on Taxonomy of Viruses.    All rights reserved.


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