Ribosomal protein gene sequences reveal a geographical differentiation between CSPWD phytoplasmas in Ghana

Pilet Fabian, Poulin Lucie, Nkansah Poku Joe, Quaicoe Robert N.. 2011. Ribosomal protein gene sequences reveal a geographical differentiation between CSPWD phytoplasmas in Ghana. Bulletin of Insectology, 64, suppl., S219-S220 Annual Meeting of the International Phytoplasmologist Working Group. 2, Neustadt, Allemagne, 12 Septembre 2011/15 Septembre 2011.

http://www.bulletinofinsectology.org/pdfarticles/vol64-2011-S219-S220pilet.pdf

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Quartile : Q3, Sujet : ENTOMOLOGY

Résumé : In Ghana, coconut lethal yellowing phytoplasma locally called Cape Saint Paul Wilt Disease (CSPWD) is the most damaging coconut disease. Two different foci of the disease can be distinguished: the first one covering the coast of the Western and Central Regions, and the second covering the coast of the Volta region. To test the hypothesis of a genetic differentiation between the CSPWD phytoplasma from the two foci, the partial ribosomal operon 16S, and two ribosomal protein genes (rplV and rpsC) of 14 strains were sequenced. The ribosomal protein gene sequences allowed the differentiation of the strains originating from the two different foci by a unique SNP, confirming a genetic differentiation.

Mots-clés Agrovoc : Cocos nucifera, phytoplasme

Mots-clés géographiques Agrovoc : Ghana

Mots-clés complémentaires : Jaunissement mortel, Cape Saint Paul Wilt Disease

Classification Agris : H20 - Maladies des plantes

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

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