Family: Brassicaceae Weed host
Arabis mosaic virus (ArMV)
Taxonomic position
Genus: Nepovirus Family: Secoviridae
Geographical distribution
ArMV was first reported infecting Arabis hirsuta in England (Smith and Markham 1944).
Symptoms and host(s)
The virus-infected hairy rockcress plants exhibit symptoms of mosaics, mottling, chlorotic ringspots, and sometimes necrosis. The virus infects a wide range of weeds and crop plants (Pitcher et al. 1974).
Transmission
This virus is transmitted by nematode vectors (Xiphinema diversicaudatum, X. bakeri, X. coxi, and Longidorus caespiticola) in a non-persistent manner (Valdy 1972; Brown and Trudgill 1998). The virus is also transmitted by mechanical sap-inoculation, and by grafting (Murant 1983).
Virion properties and genome
The virions are isometric, non-enveloped of two types but similar in size, 25–30 nm in diameter, and exhibit icosahedral symmetry (T = 1, pseudo T= 3). The genome is bipartite, linear, positive-sense, single-stranded RNA....
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References
Brown DJF, Trudgill DL (1998) Nematode transmission of plant viruses: a 30 year perspective. Host pathogen interactions and crop protection. SCRI Annual Report, pp 121–125
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Loudes AM, Ritzenthaler C, Pinck M, Serghini MA, Pinck L (1995) The 119 kDa and 124 kDa polyproteins of Arabis mosaic nepovirus (isolate S) are encoded by two distinct RNA2 species. J Gen Virol 76:899–906
Murant AF (1983) Seed and pollen transmission of nematode-borne viruses. Seed Sci Technol 11:973
Pitcher RS, Siddiqi MR, Brown DJF (1974) Xiphinema diversicaudatum. C.I.H. Descriptions of plant-parasitic nematodes, Set 4, No. 60. 4 pp
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Valdy RB (1972) Transmission of Raspberry ringspot virus by Longidorus caespiticola, L. leptocephalus and Xiphinema diversicaudatum and of Arabis mosaic virus by L. caespiticola and X. diversicaudatum. Ann Appl Biol 71:229–234
Wetzel T, Meunier L, Jaeger U, Reustle GM, Krczal G (2001) Complete nucleotide sequences of the RNAs 2 of German isolates of grapevine fanleaf and Arabis mosaic nepoviruses. Virus Res 75(2):139–145
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Sastry, K.S., Mandal, B., Hammond, J., Scott, S.W., Briddon, R.W. (2019). Arabis hirsuta (Hairy rockcress). In: Encyclopedia of Plant Viruses and Viroids. Springer, New Delhi. https://doi.org/10.1007/978-81-322-3912-3_71
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DOI: https://doi.org/10.1007/978-81-322-3912-3_71
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