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00.057.0.81.005. Aquilegia necrotic ringspot virus

Cite this publication as: ICTVdB Management (2006). 00.057.0.81.005. Aquilegia necrotic ringspot 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: Italy.

Host of Isolate and Habitat Details
Source of isolate: Aquilegia sp.

Natural host and symptoms
Aquilegia sp. — necrotic ringspots in leaves, and flower deformation.

Reference to Isolation Report
Marani and Pisi (1976).

Classification

This is a description of a plant virus at the species level with data on all virus properties from morphology to genome, replication, antigenicity and biological properties.

ICTVdB Virus Code: 00.057.0.81.005. Virus accession number: 57081005. Obsolete virus code: 57.0.1.T.005; superceded accession number: 5701t005.

Name, Synonyms and Lineage

Synonym(s): Aquilegia virus. ICTV approved acronym: AqNRSV. Acronym(s): AqV. 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 700-800 nm. Axial canal is indistinct. Basic helix is obscure.

Physicochemical and Physical Properties

The thermal inactivation point (TIP) is at 60°C. The longevity in vitro (LIV) is 8 days. Although the titer is dependent on the host, the decimal exponent (DEX) of the dilution end point is usually around 6.

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.

Experimental Hosts and Symptoms

Under experimental conditions susceptibility to infection by virus is found in few families. Susceptible host species are found in the Family Chenopodiaceae, Leguminosae-Papilionoideae, Ranunculaceae, Solanaceae. The following species were susceptible to experimental virus infection: Aquilegia, Chenopodium amaranticolor, Chenopodium quinoa, Petunia x hybrida, Phaseolus vulgaris.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Amaranthaceae, Cucurbitaceae, Labiatae, or Leguminosae-Papilionoideae, Solanaceae. Species inoculated with virus that do not show signs of susceptibility: Cucumis sativus, Gomphrena globosa, Nicotiana tabacum, Ocimum basilicum, Vigna unguiculata.

Diagnostic Hosts

Diagnostic host species and symptoms:

Chenopodium amaranticolor, C. quinoa — necrotic local lesions; systemic chlorosis and/or necrotic spotting.

Petunia x hybrida, Phaseolus vulgaris — symptomless systemic infection.

Diagnostic host: insusceptible host species Cucumis sativus, Gomphrena globosa, Nicotiana tabacum, Ocimum basilicum, Vigna unguiculata.

Maintenance and Propagation Hosts

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

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Chenopodium amaranticolor (L), C. quinoa (L).

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 spreads in Eurasia. The virus occurs in Italy.

References

Marani, F. and Pisi, A (1976). Phytopathol. Medit. 15: 137.

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 29 by A.A. Brunt, 1991.

Taxonomic Proposals and Changes

The proposal to change the name has been approved at the meeting of the Executive Committee in San Diego, 1998.



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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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