Blueberry mosaic associated ophiovirus

Species of virus

The Blueberry mosaic associated ophiovirus (B1MaV) is a plant virus which infects blueberry plants, causing a discoloration of the leaves of the plants in a mosaic-like pattern. The disease is found in blueberry plants in many regions of North America, as well as South America, Europe, New Zealand, and South Africa. Within these regions the virus is most often found in high blueberry-yielding areas, but can be spread to other locations. Blueberry mosaic associated ophiovirus is one of seven species in the genus Ophiovirus. It is a member of the Aspiviridae family, in the Serpentovirales order, and in the Milnevircetes class. The Ophioviridae viruses are characterized by a flexible and elongated nucleocapsid that is composed mostly of filamentous structures and is helically symmetrical. It also has a non-enveloped protein capsid that is capable of coiling around itself allowing for a super-coiled structure and the helical symmetry. The virus has the potential to be symptomatic or asymptomatic within plants causing the display of symptoms in only a few plants, but the ability to transmit the virus unknowingly in many plants. B1MaV often remains asymptomatic for long periods of time after initial infection allowing for blind transmission.

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