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Archives of Virology
Published in: Archives of Virology 10/2012

01-10-2012 | Annotated Sequence Record

A novel cassava-infecting begomovirus from Madagascar: cassava mosaic Madagascar virus

Authors: Mireille Harimalala, Pierre Lefeuvre, Alexandre De Bruyn, Fidèle Tiendrébéogo, Murielle Hoareau, Julie Villemot, Sahondramalala Ranomenjanahary, Alice Andrianjaka, Bernard Reynaud, Jean-Michel Lett

Published in: Archives of Virology | Issue 10/2012

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Abstract

Cassava mosaic geminiviruses (CMGs) are implicated in cassava mosaic disease (CMD), the main constraint to cassava production in Africa. Here, we report the complete nucleotide sequences of the DNA-A and DNA-B of a newly characterized CMG found infecting cassava in Madagascar, for which we propose the tentative name cassava mosaic Madagascar virus. With the exception of two recombinant regions that resembled a CMG, we determined that the non-recombinant part of the DNA-A component is distantly related to the other CMGs. Whereas the DNA-B component possesses one recombinant region originating from an unidentified virus, the rest of the genome was seen to be closely related to members of the species East African cassava mosaic Zanzibar virus (EACMZV). Phylogenetic analysis based on complete genome sequences demonstrated that DNA-A and DNA-B components are outliers related to the clade of EACMV-like viruses and that DNA-A is related to the monopartite tomato leaf curl begomoviruses described in islands in the south-west Indian Ocean.
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Metadata
Title
A novel cassava-infecting begomovirus from Madagascar: cassava mosaic Madagascar virus
Authors
Mireille Harimalala
Pierre Lefeuvre
Alexandre De Bruyn
Fidèle Tiendrébéogo
Murielle Hoareau
Julie Villemot
Sahondramalala Ranomenjanahary
Alice Andrianjaka
Bernard Reynaud
Jean-Michel Lett
Publication date
01-10-2012
Publisher
Springer Vienna
Published in
Archives of Virology / Issue 10/2012
Print ISSN: 0304-8608
Electronic ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-012-1399-3

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