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00.057.0.01.004. Araujia mosaic virus

Cite this publication as: ICTVdB Management (2006). 00.057.0.01.004. Araujia 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: Argentina.

Host of Isolate and Habitat Details
Source of isolate: Araujia angustifolia and Morrenia odorata.

Natural host and symptoms
Araujia angustifolia, Morrenia odorata — mosaics.

Reference to Isolation Report
Charudattan et al. (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: 00.057.0.01.004. Virus accession number: 57001004. Obsolete virus code: 57.0.1.0.004; superceded accession number: 57010004.

Name, Synonyms and Lineage

ICTV approved acronym: ArjMV. 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 741 nm. Axial canal is indistinct. Basic helix is obscure.

Electron microscopic preparation and references: Virus preparation contains few virions. Reference for electron microscopic methods: Hiebert and Charudattan (1984).

Physicochemical and Physical Properties

The thermal inactivation point (TIP) is at 56-58°C. The longevity in vitro (LIV) is 2-2.5 days. Although the titer is dependent on the host, the decimal exponent (DEX) of the dilution end point is usually around 2-3.

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. Virions consist of 1 structural protein(s).

Non-Structural Proteins: Virus-coded non-structural proteins have been identified by sequence analysis (Hiebert and Charudattan (1984)) and 5 non-structural protein(s) are found.

Lipids

Lipids are not reported.

Antigenicity

The virus does not show serological relationships to bean common mosaic, bidens mottle, blackeye cowpea mosaic, dasheen mosaic, lettuce mosaic, papaya ringspot, pepper mottle, potato Y, soybean mosaic, tobacco etch, tobacco veinal mottle, tobacco etch and turnip mosaic viruses.

The 49kDa and 53kDa proteins produced by in vitro translation react with antisera to tobacco etch (TEV) nuclear proteins and the 32kDaprotein with antiserum to TEV capsid protein; the cylindrical inclusion protein of araujia mosaic is serologically related to that of dasheen mosaic virus but not TEV; and the 81kDaprotein of araujia mosaic virus reacted with antiserum to the helper component of tobacco vein mottling virus.

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 a vector. Virus is transmitted by mechanical inoculation; not transmitted by contact between hosts.

Vector Transmission:
Virus is transmitted by arthropods, by insects of the order Hemiptera, family Aphididae; Aphis nerii, Aphis spiraecola, Myzus persicae. Virus is transmitted in a non-persistent manner.

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 Asclepiadaceae. The following species were susceptible to experimental virus infection: Araujia angustifolia, Araujia hortorum, Araujia sericofera, Hoya carnosa, Hoya coronaria, Matelea floridana, Morrenia brachystephana, Morrenia odorata, Sarcostemma clausum.

Host:
Experimentally infected hosts mainly show symptoms of mosaics, malformation.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Alliaceae, Amaranthaceae, Amaryllidaceae, Araceae, Caricaceae, Chenopodiaceae, Compositae, Cruciferae, or Cucurbitaceae, Euphorbiaceae, Gramineae, Leguminosae-Papilionoideae, or Malvaceae, Rutaceae, Solanaceae, Tetragoniaceae, Umbelliferae. Species inoculated with virus that do not show signs of susceptibility: Allium cepa, Apium graveolens, Arachis hypogaea, Avena sativa, Beta vulgaris, Brassica campestris ssp. rapa, Brassica juncea, Brassica oleracea var. botrytis, Brassica oleracea var. capitata, Bromus inermis, Bromus secalinus, Caladium hortulanum, Capsicum annuum, Capsicum frutescens, Carica papaya, Chenopodium album, Chenopodium amaranticolor, Cichorium endiva, Citrullus lanatus, Citrus aurantifolia, Citrus aurantium, Citrus limon, Citrus medica, Citrus paradisi, Citrus sinensis, Coriandrum sativum, Cucumis melo, Cucumis sativus, Cucurbita maxima, Datura stramonium, Daucus carota, Echinochloa crus-galli, Elytrigia repens, Glycine max, Gomphrena globosa, Gossypium hirsutum, Helianthus annuus, Hippeastrum hybridum, Lactuca sativa, Lespedeza stipulacea, Lolium multiflorum, Lolium perenne, Lycopersicon esculentum, Melilotus albus, Narcissus pseudonarcissus, Nicotiana benthamiana, Nicotiana tabacum, Panicum miliaceum, Phaseolus lunatus, Phaseolus vulgaris, Philodendron selloum, Pisum sativum, Poncirus trifoliata, Raphanus sativus, Ricinus communis, Secale cereale, Setaria italica, Solanum melongena, Solanum tuberosum, Spinacia oleracea, Tetragonia tetragonioides, Trifolium hybridum, Triticum aestivum, Vigna radiata, Vigna unguiculata, Zea mays, Zinnia elegans.

Diagnostic Hosts

Diagnostic host species and symptoms:

Araujia angustifolia, A hortorum, A sericofera, Matelea floridana, Morrenia brachystephana, Sarcostemma clausum — systemic mosaic and malformation.

Hoya carnosa, H. coronaria — symptomless.

Diagnostic host: insusceptible host species Chenopodium amaranticolor, Cucumis sativus, Phaseolus vulgaris, Nicotiana benthamiana, Nicotiana tabacum.

Maintenance and Propagation Hosts

Most commonly used maintenance and propagation host species are Morrenia odorata, Araujia angustifolia, Araujia sericofera.

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Morrenia odorata (W).

References to host data: Charudattan et al. (1980).

Histopathology: Virus can be best detected in mesophyll and epidermis.

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 South and Central Americas. The virus occurs in Argentina.

Ecology, Epidemiology and Control

Studies reported by Charudattan et al. (1980).

Comments

Charudattan et al. (1980) suggest that the virus might be used to control Morrenia weeds in citrus orchards in Florida, U.S.A.

References

Charudattan, R., Zettler, F.W., Cordo, H.A. and Christie, R.G. (1976). Proc. Am. Phytopath. Soc. 3: 272.

Charudattan, R., Zettler, F.W., Cordo, H.A. and Christie, R.G. (1980). Phytopathology 70: 909.

Hiebert, E. and Charudattan, R. (1984). Phytopathology 74: 642.

The following generic references are cited in the most recent ICTV Report.
A description of this taxon in VIDEdB, the plant virus database developed at the Australian National University by Adrian J. Gibbs and collaborators, contains an earlier description with the number 32 by A.A. Brunt, and E. Hiebert, 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.

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Last updated on 25 April 2006 by Cornelia Büchen-Osmond
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