Pseudomonas syringae pv. maculicola in Australia: pathogenic, phenotypic and genetic diversity

Belinda Peters, Gavin Ash, Eric J Cother, Deb L Hailsones, Dorothy H Noble, Nigel Urwin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Pseudomonas syringae pv. maculicola causes bacterial leaf spot on cruciferous plants in Australia. This is the first record confirming the identity of seven isolates currently stored as P. syringae pv. maculicola in the herbarium of the Department of Agriculture, Orange, Australia (Herb. DAR). The isolates were identified using pathogenicity testing on cauliflower and fatty acid methyl ester analysis. They clustered together using repetitive sequence-based polymerase chain reaction (rep-PCR) and PCR-restriction fragment-length polymorphism (RFLP) of the 16S'23S internal transcribed spacer region (ITS) using seven restriction enzymes. Identification was confirmed by comparison of these isolates with known overseas isolates of P. syringae pv. maculicola, but there was significant variation in their pathogenicity and genetic structure.
Original languageEnglish
Pages (from-to)73-79
Number of pages7
JournalPlant Pathology
Volume53
Issue number1
DOIs
Publication statusPublished - 2004

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