Papaya mosaic virus

Papaya mosaic virus
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Kitrinoviricota
Class: Alsuviricetes
Order: Tymovirales
Family: Alphaflexiviridae
Genus: Potexvirus
Species:
Papaya mosaic virus
Synonyms
  • Papaya mosaic potexvirus
  • Babaco yellow mosaic virus
  • Boussingaultia mosaic virus
  • Papaw mild mosaic virus

Papaya mosaic virus (PapMV) is a plant pathogenic virus in the genus Potexvirus and the family Alphaflexiviridae. PapMV is a filamentous, flexuous rod, 530 nm in length.[1]

The virus is a monopartite strand of positive-sense, single-stranded RNA surrounded by a capsid made for a single viral encoded protein. The genome has been completely sequenced[2] and is 6656 nucleotides long. It is transmitted by mechanical inoculation. No insect vector is involved and it is not transmitted in seeds.

Mature virions form banded inclusions[3] that can be seen in leaf strips of infected plants[4][5] when stained with either the Orange-Green protein stain or the Azure A nucleic acid stain.[6][7]

  1. ^ Antoniw, John. "Show DPV Figure". www.dpvweb.net.
  2. ^ "Papaya mosaic virus genomic RNA, complete genome - Nucleotide - NCBI". www.ncbi.nlm.nih.gov.
  3. ^ "Inclusions of PapMV stained in Azure A".
  4. ^ Zettler, F.W., Edwardson, J.R. and Purcifull, D.E. 1968. Phytopathology 58: 332
  5. ^ Purcifull, D.E., Edwardson, J.R. and Christie, R.G. (1966). Virology 29: 276.
  6. ^ Christie, R.G. and Edwardson, J.R. (1977). Fla Agric. Exp. Stn Monog. No. 9, 150 pp.
  7. ^ "How to Stain for Plant Virus Inclusions". Archived from the original on 2014-10-13.

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