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. 2011 Dec;75(4):583–609. doi: 10.1128/MMBR.00020-11

Fig. 4.

Fig. 4.

Interactions of pseudomonads with Agaricus bisporus lead to both positive and negative outcomes for the fungus, depending on the bacterial isolate and the developmental stage of the fungus. The toxin tolaasin is the primary factor responsible for brown blotch disease caused by P. tolaasii; other contributing factors are a secreted protease, lipase, and exopolysaccharide. *, mechanism unknown.