[Home] [ICTV Taxonomy - Index of Viruses] [Virus Descriptions] [Character List] [Picture Gallery]
[Tutorial] [Online Data Retrieval & Identification] [Virus Isolate Registration & Submission] [Search]
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.

00.077.0.01.019. Scrophularia mottle virus

Cite this publication as: ICTVdB Management (2006). 00.077.0.01.019. Scrophularia mottle 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: Germany.

Host of Isolate and Habitat Details
Source of isolate: Scrophularia nodosa.

Natural host and symptoms
Scrophularia nodosa — mottling and vein clearing.

Reference to Isolation Report
Hein (1959).

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: 00.077.0.01.019. Virus accession number: 77001019. Obsolete virus code: 77.0.1.0.015; superceded accession number: 77010015.

Name, Synonyms and Lineage

Synonym(s): Scrophularia-Scheckungsvirus. ICTV approved acronym: ScrMV. Virus is an ICTV approved species of the genus 00.077.0.01. Tymovirus; family 00.077. Tymoviridae.

Virion Properties

Morphology

Virions consist of a capsid. Virus capsid is not enveloped, round with icosahedral symmetry. The isometric capsid has a diameter of 26 nm. Capsids appear round. The capsomer arrangement is clearly visible.

Electron microscopic preparation and references: Virus preparation contains many virions. Reference for electron microscopic methods: Bercks (1973).

Physicochemical and Physical Properties

Virions have a buoyant density in CsCl of 1.351 and 1.449 g cm-3. There are 2 sedimenting component(s) found in purified preparations. The sedimentation coefficient is of the fastest 116 S20w; of the other(s) are 54 S20w. Isoelectric point pH is 7. The thermal inactivation point (TIP) is at 90°C. The longevity in vitro (LIV) is 30 days. Although the titer is dependent on the host, the decimal exponent (DEX) of the dilution end point is usually around 5-6. The infectivity is not changed by treatment with ether.

Nucleic Acid

The Mr of the genome constitutes 37% of the virion by weight. The genome is monopartite. Only one particle size of linear, single-stranded RNA is recovered. The complete genome is 6000 nucleotides long, is sequenced and complete sequence is about 6000 nucleotides long. The genome has a base ratio of 15.9 % guanine; 21.3 % adenine; 33.7 % cytosine; 29.3 % uracil.

Proteins

Proteins constitute about 63% of the particle weight.

The viral genome encodes structural proteins and non-structural proteins. Virions consist of 1 structural protein(s) located in the capsid.

Structural Proteins: Reference to amino acid sequence or composition Bercks (1973).

Lipids

Lipids are not reported.

Antigenicity

The virus is serologically related to ononis yellow mosaic virus is the closest related, but also Andean potato latent, belladonna mottle, dulcamara mottle, eggplant mosaic and turnip yellow mosaic viruses. A virus from Anagyris foetida in Italy is closely related (Rana et al., 1988).

Diagnostics and Reference Collections

The best tests for diagnosis are virions serologically close to ononis yellow mosaic virus but the virions of ononis yellow mosaic virus have a lesser IEP.

Biological Properties

Natural Host

Domain
Viral hosts belong to the Domain Eucarya.

Domain Eucarya
Kingdom Plantae.

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

Class Magnoliopsida (Dicotyledonae)
Subclass ROSIDAE.

General Symptoms in Plants Virus affects the photosynthetic system. Symptoms are expressed in the leaf include chlorosis and development of patterns or markings that are visible in the intercostal regions. Intercostal regions show chlorosis. Leaves with mottle. Symptoms mottling.

Severity and Occurrence of Disease

Host: Signs and symptoms persist.

Transmission and Vector Relationships

Virus is transmitted by a vector. Virus is transmitted by mechanical inoculation.

Vector Transmission:
Virus is transmitted by arthropods, by insects of the order Coleoptera; Cionus tuberculosis, C. scrophularia, C. hortulanus, C. alauda.

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 Apocynaceae, Bignoniaceae, Chenopodiaceae, Leguminosae-Papilionoideae, Scrophulariaceae, Solanaceae, Valerianaceae. The following species were susceptible to experimental virus infection: Antirrhinum majus, Catalpa bignonioides, Catharanthus roseus, Chenopodium quinoa, Datura stramonium, Pisum sativum, Scrophularia nodosa, Valerianella, Vicia faba.

Host:
Experimentally infected hosts mainly show symptoms of local lesions, systemic mottle or mosaic.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Boraginaceae, Campanulaceae, or Caryophyllaceae, Chenopodiaceae, Compositae, Convolvulaceae, or Cruciferae, Cucurbitaceae, Euphorbiaceae, Gesneriaceae (1 /1), or Labiatae, Leguminosae-Caesalpinioideae, Leguminosae-Papilionoideae, or Malvaceae, Myrtaceae, Papaveraceae, Polemoniaceae, Polygonaceae, or Ranunculaceae, Rosaceae, Solanaceae, Tropaeolaceae, Umbelliferae, or Violaceae. Species inoculated with virus that do not show signs of susceptibility: Arachis hypogaea, Bellis perennis, Beta vulgaris, Brassica campestris ssp. pekinensis, Cassia artemisioides, Cucumis sativus, Daucus carota, Delphinium hybridum, Eucalyptus cloeziana, Euphorbia marginata, Fagopyrum esculentum, Fragaria vesca, Gossypium hirsutum, Gypsophila elegans, Helianthus annuus, Ipomoea purpurea, Lactuca sativa, Leptosiphon, Lobelia erinus, Myosotis sylvatica, Papaver nudicaule, Pastinaca sativa, Petroselinum crispum, Petunia x hybrida, Podolepis robusta, Salvia splendens, Sinningia speciosa, Tropaeolum majus, Vigna radiata, Viola cornuta.

Diagnostic Hosts

Diagnostic host species and symptoms:

Antirrhinum majus — systemic green spots.

Chenopodium quinoa — chlorotic local lesions, systemic mosaic.

Datura stramonium — yellow spreading local lesions, systemic spotting and mosaic.

Vicia faba — chlorotic local lesions. Diagnostic host: insusceptible host species Arachis hypogaea, Brassica campestris ssp. pekinensis, Cucumis sativus, Petunia x hybrida.

Maintenance and Propagation Hosts

Most commonly used maintenance and propagation host species are Antirrhinum majus, Datura stramonium.

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Vicia faba (L).

References to host data: Bercks (1973, Hein (1959, Guy et al. (1984).

Histopathology: Virus can be best detected in all parts of the host plant.

Geographical Distribution

The virus occurs in Germany.

References

Bercks, R. (1973). CMI/AAB Descr. Pl. Viruses No. 113.

Bercks, R., Huth, W., Koenig, R., Lesemann, D.-E., Paul, H.L. and Querfurth, G. (1971). Phytopath. Z. 71: 341.

Guy, P.L., Dale, J.L., Adena, MA and Gibbs, AJ. (1984). Pl. Path. 33: 337.

Hein, A (1959). Phytopath. Z. 36: 290.

Rana, G.L., Castellano, MA and Koenig, R. (1988). J. Phytopath. 121: 239.

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 714 by A.J. Gibbs, 1991. A description of the virus is found in DPV, a database for plant viruses developed by the Association of Applied Biologists (AAB), with the number 113.



Limit search to: Title & Body Title Document Path
Show Reverse Sort

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.


Additional access points to virus species lists, descriptions and images on the web:

Species catalogue                     iSpecies.org - a species search engine           a species search engine

Google Analytics      Google Analytics: activity view