First Report of Burkholderia andropogonis Causing Leaf Spots of Bougainvillea sp. in Hong Kong and Clover in Canada

Plant Disease
X Li, S H De Boer

Abstract

Burkholderia andropogonis has a broad host range including 52 species of 15 families of unrelated monocot and dicot plants such as white clover, carnation, bougainvillea, and other ornamental plants (2). In October 2003, a severely diseased Bougainvillea sp. was found in Kowloon, Hong Kong. Diseased leaves had circular lesions with brown centers surrounded by dark, red-brown margins bordered by chlorotic halos. A bacterium consistently isolated from such lesions using peptone yeast extract agar plus glucose plates was compared with several B. andropogonis strains, including the type strain as well as a B. andropogonis-like strain previously isolated from white clover in Vancouver, BC, Canada in June 1995. Pathogenicity of the isolates was determined by infiltrating greenhouse-grown white clover and carnation leaves with bacterial suspensions of ≈106 CFU/ml. Inoculated leaves developed lesions typical of those caused by B. andropogonis. Koch's postulates were fulfilled by isolating bacteria from typical lesions on inoculated plants that were identical to inoculated strains in colony morphology and biochemical characteristics. Using transmission electron microscopy, the Canadian and Hong Kong isolates, as well as authentic strain...Continue Reading

Citations

Feb 13, 2017·Antonie van Leeuwenhoek·Lucilene Lopes-SantosSuzete Aparecida Lanza Destéfano
Apr 22, 2008·FEMS Microbiology Reviews·Stéphane CompantEssaïd Ait Barka
May 16, 2015·Genome Announcements·Lucilene Lopes-SantosSuzete Aparecida Lanza Destéfano
Jan 21, 2021·Frontiers in Molecular Biosciences·Luz América Córdoba-CastroChristian Sohlenkamp

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