Sep 2, 2014

First report of 'Candidatus Liberibacter asiaticus' affecting sour orange in urban areas of Mayabeque, Cuba

BioRxiv : the Preprint Server for Biology
Jared A GrummerAdam Leaché

Abstract

Candidatus Liberibacter asiaticus (CLas) is an unculturable, Gram-negative, phloem restricted plant pathogenic bacterium associated with a very serious disease of citrus worldwide known as Citrus Huanglongbing (HLB). CLas is widely spread in the Americas. In Cuba, CLas has been associated with HLB symptoms and has seriously affected the Cuban citrus industry. In this short communication we discuss the identification of CLas-infected sour orange in urban areas of Mayabeque Province in Cuba, an area previously unexplored for the presence of HLB, and a host widely cultivated in gardens and yards along Cuba. We used for the first time the bacteria molecular barcode chaperonin-60 universal target (cpn60UT) to identify and to detect CLas in HLB-symptomatic host plants.

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