Development of a transformation system for gene knock-out in the flavinogenic yeast Pichia guilliermondii - Boretsky, Yuriy R.; Pynyaha, Yuriy V.; Boretsky, Volodymyr Y.; Kutsyaba, Vasyl I.; Protchenko, Olga V.; Philpott, Caroline C.; Sibirny, Andriy A. (Journal of Microbiological Methods, 2007)