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KMID : 0880220190570080688
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Journal of Microbiology
2019 Volume.57 No. 8 p.688 ~ p.693
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Expression of sexual genes in Aspergillus fumigatus homogeneous culture produced by vegetative mass mating
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Lim Joo-Yeon
Park Hee-Moon
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Abstract
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There are presently no studies on the genes for sexual development of Aspergillus fumigatus in situ using mating culture, primarily because of challenging experimental conditions that require a significantly long period of induction and produce developmentally heterogenous culture, harboring very few sexual organs. In order to overcome these challenges, we developed an efficient and convenient procedure called ‘vegetative mass mating (VeM)’ for study at a molecular level. The VeM method enabled production of a developmentally homogenous A. fumigatus culture, harboring many sexual organs in a plate within a short period of two weeks. Feasibility of the use of VeM for functional study of genes during A. fumigatus sexual development was evaluated by analyzing the transcription pattern of genes involved in pheromone signal transduction and regulation of sexual development. Here, we present for the first time, an in situ expression pattern of sexual genes during the mating process, induced by the VeM method, which will enable and promote the sexual development study of A. fumigatus at the molecular level.
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KEYWORD
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sexual development, vegetative mass mating, Aspergillus fumigatus, gene expression
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