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Full-Text Articles in Pathogenic Microbiology
Quorum Sensing Activity In Ophiostoma Ulmi: Effects Of Fusel Oils And Branched Chain Amino Acids On Yeast-Mycelial Dimorphism, A. Berrocal, J. Navarrete, C. Oviedo, K. W. Nickerson
Quorum Sensing Activity In Ophiostoma Ulmi: Effects Of Fusel Oils And Branched Chain Amino Acids On Yeast-Mycelial Dimorphism, A. Berrocal, J. Navarrete, C. Oviedo, K. W. Nickerson
Kenneth Nickerson Papers
Aims: For Ophiostoma (Ceratocystis) ulmi, the ability to undergo morphological change is a crucial factor for its virulence. To gain an understanding of quorum- sensing activity in O. ulmi as it relates to yeast-mycelium dimorphism control, this study examines the effects of branched-chain amino acids as well as their fusel alcohols and fusel acids as quorum sensing molecules.
Methods and Results: In a defined medium containing glucose, proline and salts, O. ulmi grew as yeasts when the culture was inoculated with a high density of spores (2-107 CFU ml-1) and as mycelia when inoculated …