Abaca bunchy top virus

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Abaca bunchy top virus (ABTV)
Virus classification
Group: Group II (ssDNA)
Order: Unassigned
Family: Nanoviridae
Genus: Babuvirus
Species: Abaca bunchy top virus

Abaca bunchy top virus (ABTV) is a pathogenic plant virus of the family Nanoviridae. ABTV has been isolated from both abacá (Musa textilis) and banana.[1] ABTV has many similarities to Banana bunchy top virus (BBTV) but is both genetically and serologically distinct in that it lacks two open reading frames found in BBTV's genome. ATBV's genome contains six circular components, each of which are 1,000-1,500 base pairs in length.[1]


The virus, first detected in 1915 at Silang, Cavite, Philippines, has since spread to various provinces in the country, and damaged more than 8,000 ha (20,000 acres) of abacá plantations in 2002 alone.


In 2009, University of the Philippines Los Baños researchers funded by the Department of Agriculture developed an abacá variety that is resistant to the ABTV.[2] The university is working further to make it resistant to mosaic and abacá bract mosaic viruses.[3]


  1. ^ a b Sharman, M.; Thomas, J. E.; Skabo, S.; Holton, T. A. (2007). "Abacá bunchy top virus, a new member of the genus Babuvirus (family Nanoviridae)". Archives of Virology 153 (1): 135–147. doi:10.1007/s00705-007-1077-z. PMID 17978886. 
  2. ^ Danny O. Calleja (2009-06-05). "Abaca researchers turn to biotechnology in efforts to save Manila hemp exports". Business Mirror (Manila: University of the Philippines Los Baños Office of the Vice-Chancellor for Research and Extension). Archived from the original on 22 March 2012. Retrieved 2011-04-08. 
  3. ^ Jo Florendo B. Lontoc (2007-05-31). "UP scientists trying to help abaca industry". Business World (Department of Agriculture Biotechnology Program). Retrieved 2011-04-08. 

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