نتایج جستجو برای: mating type idiomorphs

تعداد نتایج: 1361517  

2016
Yuan Sun Christine Gadoury Matthew P. Hirakawa Richard J. Bennett Doreen Harcus Anne Marcil Malcolm Whiteway

UNLABELLED It has been proposed that the ancestral fungus was mating competent and homothallic. However, many mating-competent fungi were initially classified as asexual because their mating capacity was hidden behind layers of regulation. For efficient in vitro mating, the essentially obligate diploid ascomycete pathogen Candida albicans has to change its mating type locus from heterozygous MT...

Journal: :Eukaryotic cell 2002
Klaus B Lengeler Deborah S Fox James A Fraser Andria Allen Keri Forrester Fred S Dietrich Joseph Heitman

The sexual development and virulence of the fungal pathogen Cryptococcus neoformans is controlled by a bipolar mating system determined by a single locus that exists in two alleles, alpha and a. The alpha and a mating-type alleles from two divergent varieties were cloned and sequenced. The C. neoformans mating-type locus is unique, spans >100 kb, and contains more than 20 genes. MAT-encoded pro...

2015
Hoda Bazafkan Christoph Dattenböck Stefan Böhmdorfer Doris Tisch Eva Stappler Monika Schmoll

Sexual development in the filamentous model ascomycete Trichoderma reesei (syn. Hypocrea jecorina) was described only a few years ago. In this study, we show a novel role for VELVET in fungi, which links light response, development and secondary metabolism. Vel1 is required for mating in darkness, normal growth and conidiation. In light, vel1 was dispensable for male fertility but essential for...

Journal: :Genetics 2003
Zhun Yan Jianping Xu

Previous studies demonstrated that mitochondrial DNA (mtDNA) was uniparentally transmitted in laboratory crosses of the pathogenic yeast Cryptococcus neoformans. To begin understanding the mechanisms, this study examined the potential role of the mating-type locus on mtDNA inheritance in C. neoformans. Using existing isogenic strains (JEC20 and JEC21) that differed only at the mating-type locus...

Journal: :Cell 2003
Barry L. Williams

Tsong et al. characterize the role of mating type genes in Candida albicans and identify a new regulator of mating type and several mating type target genes. Comparison with Saccharomyces cerevisiae provides an in-depth view into the evolution of a well-characterized genetic regulatory circuit.

2011
Arend F. van Peer Soon-Young Park Pyung-Gyun Shin Kab-Yeul Jang Young-Bok Yoo Young-Jin Park Byoung-Moo Lee Gi-Ho Sung Timothy Y. James Won-Sik Kong

BACKGROUND Mating-type loci of mushroom fungi contain master regulatory genes that control recognition between compatible nuclei, maintenance of compatible nuclei as heterokaryons, and fruiting body development. Regions near mating-type loci in fungi often show adapted recombination, facilitating the generation of novel mating types and reducing the production of self-compatible mating types. C...

Journal: :Annual review of genetics 1997
J W Kronstad C Staben

Mating type genes regulate sexual compatibility and sexual reproduction in fungi. This review focuses on recent molecular analyses of well-characterized mating systems from representative ascomycete (Neurospora crassa, Podospora anserina) and basidiomycete (Ustilago maydis, Coprinus cinereus, Schizophyllum commune) fungi. These mating systems include many conserved components, such as gene regu...

Journal: :Genetics 2013
Lori B Huberman Andrew W Murray

Haploid budding yeast has two mating types, defined by the alleles of the MAT locus, MATa and MATα. Two haploid cells of opposite mating types mate by signaling to each other using reciprocal pheromones and receptors, polarizing and growing toward each other, and eventually fusing to form a single diploid cell. The pheromones and receptors are necessary and sufficient to define a mating type, b...

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