Article
Inoculum size effect in dimorphic fungi: extracellular control of yeast-mycelium dimorphism in Ceratocystis ulmi.
Applied and environmental microbiology - 1 Mar 2004
Hornby Jacob M, Jacobitz-Kizzier Sarah M, McNeel Donna J, Jensen Ellen C, Treves David S, Nickerson Kenneth W
Abstract excerpt
We studied the inoculum size effect in Ceratocystis ulmi, the dimorphic fungus that causes Dutch elm disease. In a defined glucose-proline-salts medium, cells develop as budding yeasts when inoculated at > or = 10(6) spores per ml and as mycelia when inoculated at <10(6) spores per ml. The inoculum size effect was not influenced by inoculum spore type, age of the spores, temperature, pH, oxygen availability,...
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