Bean yellow mosaic virus explained

Bean yellow mosaic virus is a plant pathogenic virus in the genus Potyvirus and the virus family Potyviridae. Like other members of the Potyvirus genus, it is a monopartite strand of positive-sense, single-stranded RNA surrounded by a capsid made for a single viral encoded protein. The virus is a filamentous particle that measures about 750 nm in length. This virus is transmitted by species of aphids and by mechanical inoculation.[1]

Geographic distribution and host range

A mosaic disease, believed to be bean yellow mosaic virus, was first reported in the early 1900s infecting garden peas (Pisum sativum) in the Northeastern United States.[2] The virus is currently believed to be distributed worldwide.[3]

In addition to peas, this virus is known to infect many other legumes (family Fabaceae) including green beans (Phaseolus vulgaris),[4] peanuts (Arachis hypogaea),[5] soybeans (Glycine max),[6] Faba beans (Vicia faba), several species of clover (Trifolium hybridum, T. vesiculosum, T. incarnatum, T. pratense, T. repens, T. subterraneum), alfalfa (Medicago sativa), vetch (Vicia sativa), lupine (Lupinus luteus),[7] black locust (Robinia pseudoacacia), fenugreek (Trigonella foenum-graecum), and Crotalaria spectabilis.

It also is known to infect several non-leguminous plants including Gladiolus sp.,[8] Fressia sp., opium poppy (Papaver somniferum), Canna spp. and Eustoma russellianum.

Symptoms in these plants include mosaic, leaf malformation and leaf mottling.[9] This virus makes two kinds of viral inclusions, laminated aggregates and a nuclear inclusion.[10]

External links

Notes and References

  1. http://www.dpvweb.net/dpv/showdpv.php?dpvno=040 Plant Virus Descriptions
  2. Doolittle. SP. Jones. FR. The mosaic disease in the garden pea and other legumes. Phytopathology. 1925. 15. 12. 763–772. 0031-949X.
  3. Nakazono-Nagaoka . Eiko . Takahashi . Tsubasa . Shimizu . Takumi . Kosaka . Yoshitaka . Natsuaki . Tomohide . Omura . Toshihiro . Sasaya . Takahide . Cross-Protection Against Bean yellow mosaic virus (BYMV) and Clover yellow vein virus by Attenuated BYMV Isolate M11 . Phytopathology . 2009 . 99 . 3 . 251–257 . 10.1094/PHYTO-99-3-0251 . 19203277 .
  4. Pierce. WH. Viruses of the bean. Phytopathology. 1934. 24. 2. 87–115. 0031-949X.
  5. Bays. DC. Demski. JW. Bean yellow mosaic virus isolate that infects peanut (Arachis hypogaea). Plant Disease. 1986. 70. 7. 667–669. 10.1094/PD-70-667.
  6. Ghabrial. SA. Pickard. CM. Stuckey. RE. Said Ghabrial. Identification and distribution of virus diseases of soybean in Kentucky. Plant Disease Reporter. 1977. 61. 690–694. 0032-0811.
  7. Corbett. MK. A virus disease of lupines caused by bean yellow mosaic virus. Phytopathology. 1958. 48. 86–91.
  8. Nagel. J. Zettler. FW. Hiebert. E. Strains of bean yellow mosaic virus compared to clover yellow vein virus in relation to gladiolus production in Florida. Phytopathology. 1983. 73. 3. 449–454. 10.1094/Phyto-73-449.
  9. Web site: Bean yellow mosaic potyvirus. Cornell University: Vegetable MD Online.
  10. Web site: Bean yellow mosaic virus (BYMV) Inclusions. Florida Department of Agriculture and Consumer Services.

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