Two dicot-infecting mastreviruses (family Geminiviridae) occur in Pakistan

Nahid, N., Amin, I., Mansoor, S., Rybicki, E. P., Van Der Walt, E., & Briddon, R. W. (2008) Two dicot-infecting mastreviruses (family Geminiviridae) occur in Pakistan. Archives of Virology, 153(8), pp. 1441-1451.

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Most mastreviruses (family Geminiviridae) infect monocotyledonous hosts and are transmitted by leafhopper vectors. Only two mastrevirus species, Tobacco yellow dwarf virus from Australia and Bean yellow dwarf virus (BeYDV) from South Africa, have been identified whose members infect dicotyledonous plants. We have identified two distinct mastreviruses in chickpea stunt disease (CSD)-affected chickpea originating from Pakistan. The first is an isolate of BeYDV, previously only known to occur in South Africa. The second is a member of a new species with the BeYDV isolates as its closest relatives. A PCR-based diagnostic test was developed to differentiate these two virus species. Our results show that BeYDV plays no role in the etiology of CSD in Pakistan, while the second virus occurs widely in chickpea across Pakistan. A genomic clone of the new virus was infectious to chickpea (Cicer arietinum L.) and induced symptoms typical of CSD. We propose the use of the name Chickpea chlorotic dwarf Pakistan virus for the new species. The significance of these findings with respect to our understanding of the evolution, origin and geographic spread of dicot-infecting mastreviruses is discussed. © 2008 Springer-Verlag.

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ID Code: 54951
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 15 Export Date: 12 November 2012 Source: Scopus
DOI: 10.1007/s00705-008-0133-7
Deposited On: 20 Nov 2012 02:46
Last Modified: 29 May 2013 16:53

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