Pseudomonas tolaasii

Pseudomonas tolaasii
Scientific classification
Kingdom:	Bacteria
Phylum:	Proteobacteria
Class:	Gamma Proteobacteria
Order:	Pseudomonadales
Family:	Pseudomonadaceae
Genus:	Pseudomonas
Species:	P. tolaasii
Binomial name
*Pseudomonas tolaasii* Paine 1919
Type strain
ATCC 33618 CCUG 23369 and 32782 CFBP 2068 CIP 106735 ICMP 12883 JCM 21583 LMG 2342 NCPPB 2192

Pseudomonas tolaasii is a species of Gram-negative soil bacteria that is the causal agent of bacterial blotch on cultivated mushrooms (Agaricus bisporus). It is known to produce a toxin, called tolaasin, which is responsible for the brown blotches associated with the disease. It also demonstrates hemolytic activity, causing lysis of erythrocytes. Based on 16S rRNA analysis, P. tolaasii has been placed in the P. fluorescens group.