Sequence analysis of three citrus viroids infecting a single Tunisian citrus tree (Citrus, reticulata, Clementine)

Sequence analysis of three citrus viroids infecting a single Tunisian citrus tree (Citrus, reticulata, Clementine)

We report the nucleotide sequences of three citrus viroids belonging to three different genera: Citrus exocortis viroid (CEVd), Hop stunt viroid (HSVd) and Citrus viroid-III (CVd-III) isolated from a single natural infected Citrus reticulata var. Clementine tree growing in a tree nursery in Manouba...

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Bibliographic Details
Main Authors: Amine Elleuch, Fattouma Djilani Khouaja, Imen Hamdi, Nabiha Bsais, Jean-Pierre Perreault, Mohamed Marrakchi, Hatem Fakhfakh
Format: Article
Language:English
Published: Sociedade Brasileira de Genética 2006-01-01
Series:Genetics and Molecular Biology
Subjects:
CEVd
CVd-III
citrus
HSVd
quasi-species
sequence variability
viroid
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572006000400020
Description
Summary:We report the nucleotide sequences of three citrus viroids belonging to three different genera: Citrus exocortis viroid (CEVd), Hop stunt viroid (HSVd) and Citrus viroid-III (CVd-III) isolated from a single natural infected Citrus reticulata var. Clementine tree growing in a tree nursery in Manouba (near Tunis Capital). We describe the sequence variability of these viroids from their natural host without using an alternative passage by an indicator host or an artificial inoculation. This work confirms that naturally occurring viroid infections contain a mixture of sequence variants. These are the first sequences of citrus viroids from Africa.
ISSN:1415-4757
1678-4685

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