Asymmetry in Sexual Pheromones Is Not Required for Ascomycete Mating
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چکیده
منابع مشابه
Asymmetry in Sexual Pheromones Is Not Required for Ascomycete Mating
BACKGROUND We investigated the determinants of sexual identity in the budding yeast Saccharomyces cerevisiae. The higher fungi are divided into the ascomycetes and the basidiomycetes. Most ascomycetes have two mating types: one (called α in yeasts and MAT1-1 in filamentous fungi) produces a small, unmodified, peptide pheromone, and the other (a in yeasts and MAT1-2 in filamentous fungi) produce...
متن کاملPheromones and pheromone receptors are required for proper sexual development in the homothallic ascomycete Sordaria macrospora.
The homothallic, filamentous ascomycete Sordaria macrospora is self-fertile and produces sexual fruiting bodies (perithecia) without a mating partner. Even so, S. macrospora transcriptionally expresses two pheromone-precursor genes (ppg1 and ppg2) and two pheromone-receptor genes (pre1 and pre2). The proteins encoded by these genes are similar to alpha-factor-like and a-factor-like pheromones a...
متن کاملSexual pheromones and mating responses in fungi.
Sexual development in fungi is initiated by the fusion of haploid cells that are morphologically indistinguishable. However, they can fuse only if they are of different mating types. In general, the term “mating type” defines all specific activities of a cell that are necessary to go from the haploid to the diploid stage and to continue on to meiosis. The mating type is determined by the geneti...
متن کاملFAR1 is required for oriented polarization of yeast cells in response to mating pheromones
Cell polarization involves specifying an area on the cell surface and organizing the cytoskeleton towards that landmark. The mechanisms by which external signals are translated into internal landmarks for polarization are poorly understood. The yeast Saccharomyces cerevisiae exhibits polarized growth during mating: the actin cytoskeleton of each cell polarizes towards its partner, presumably to...
متن کاملGzSNF1 is required for normal sexual and asexual development in the ascomycete Gibberella zeae.
The sucrose nonfermenting 1 (SNF1) protein kinase of yeast plays a central role in the transcription of glucose-repressible genes in response to glucose starvation. In this study, we deleted an ortholog of SNF1 from Gibberella zeae to characterize its functions by using a gene replacement strategy. The mycelial growth of deletion mutants (DeltaGzSNF1) was reduced by 21 to 74% on diverse carbon ...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2011
ISSN: 0960-9822
DOI: 10.1016/j.cub.2011.06.054