mating type
Evolution of Mating Systems in Basidiomycetes and the Genetic Architecture Underlying Mating-Type Determination in the Yeast Leucosporidium scottii
... In Sporidiobolales (red yeasts) and Microbotryales (anther- smuts) only two pheromone receptor alleles exist (STE3. A1 and STE3.A2), and the presence of each allele is always correlated with the mating behavior ...
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Mating-Type Genes and MAT Switching in Saccharomyces cerevisiae
... Mating-type gene switching in fission yeast, S. pombe (Klar 1993; Thon and Klar 1993) also has an expressed mating-type locus, mat1 locus, which can carry either non- homologous P or M alleles. ...
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An Evolutionary Perspective on Yeast Mating-Type Switching
... switching mating types, albeit at a frequency 1,000,000-fold lower than in wild-type strains (Herskowitz 1988); so an ancestral mechanism that relied only on spontaneous breakage and homologous recombina- ...
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MATING TYPE DETERMINATION IN VARIETY 8, TETRAHYMENA PYRIFORMIS
... Excluding the rare appearance of unexpected offspring of mating type I1 and selfers, the breeding results presented support strongly the hypothesis that mating type is ordinarily d[r] ...
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THE GENETIC CONTROL OF MATING TYPE DIFFERENTIATION IN PARAMECIUM
... I n the crosses described in Table 3, therefore, the mating type XIII, stock 38, parent produced cytoplasmic progeny which resemble those derived from type XIV parents of two[r] ...
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Basidiomycete Mating Type Genes and Pheromone Signaling
... of mating type genes in fungal genomes reveals an amazing conservation of genes regulating the sexual reproduction throughout the fungal ...two mating type loci, A, coding for homeodomain ...
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Mutations in rik1, clr2, clr3 and clr4 genes asymmetrically derepress the silent mating-type loci in fission yeast.
... A gray iodine staining phenotype of clr mutants: Cells of hgo strains frequently switch their mating-type by transposition of P and M genes from the silent mating-typ[r] ...
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Mating type switching in the tetrapolar basidiomycete Agrocybe aegerita.
... For each mating type factor, the genetic analyses have revealed that: (1) parental and switched mating types segregate meiotically as Mendelian markers, (2) a total of six swi[r] ...
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Dimorphic Mating-Type Chromosomes in the Fungus Microbotryum violaceum
... (i.e., mating-type chromosomes) that are dimorphic for their size or overall DNA content have never been reported in this ...determines mating compatibil- ity is shown to occur in populations of the ...
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Genetic Structure of the Mating-Type Locus of Chlamydomonas reinhardtii
... both mating types, is depicted as a single-copy gene flanked by an untranscribed “spacer” and containing one copy of the now duplicated exon ...to mating type, loss of gene activity in one of the two ...
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Pseudohomothallism and Evolution of the Mating-Type Chromosome in Neurospora tetrasperma
... As a consequence, independent assortment will permit a given autosomal gene to change its mating- type chromosome affiliation from generation to genera- tion, but indepe[r] ...
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Three Mating Type-Like Loci in Candida glabrata
... clear whether the hybridizable MTLa1 transcript identified in Northern blots or the 5⬘-RACE product represents the trans- latable mRNA. Interestingly, MATa1, the homolog of MTLa1, has no known function in haploid a cells ...
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THE STRUCTURE OF THE A MATING TYPE LOCUS IN COPRINUS LAGOPUS
... (1) Crosses between monocaryotic stocks of Coprinus lagopus bearing markers linked with the A mating type locus yield a low frequency of nonparental A. factors in tetrads [r] ...
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Evolution of the Bipolar Mating System of the Mushroom Coprinellus disseminatus From Its Tetrapolar Ancestors Involves Loss of Mating-Type-Specific Pheromone Receptor Function
... the mating-type locus: ...a mating-type locus composed of more than a single ...defined mating-type subloci of ...the mating-type speci- ficity of an ...of ...
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MATING TYPE INHERITANCE IN SYNGEN 7 OF TETRAHYMENA PYRIFORMIS : INTRA- AND INTERALLELIC INTERACTIONS
... Mating type inheritance in syngen 7 of Tetrahymena pyriformis is epigenetic and involves macronuclear differentiation at the caryonide level. Five mating types were found in [r] ...
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REGULAR CHANGES IN MATING TYPE COMPOSITION IN SELFING CULTURES AND IN MATING TYPE POTENTIALITY IN SELFING CARYONIDES OF PARAMECIUM AURELIA
... Which pattern of change a given caryonide mani- fested was related to the cytoplasmic mating type-determining state of the parent of the caryonide in the same fashion as were the ch[r] ...
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GENETIC ANALYSIS OF MATING TYPE DIFFERENTIATION IN PARAMECIUM TETRAURELIA. II. ROLE OF THE MICRONUCLEI IN MATING-TYPE DETERMINATION
... I n order to test this possibility, two of us (BRYGOO and KELLER) repeated the SONNEBORN, DIPPELL and SCHNELLER study of mating-type inheritance in the progeny of crosses b[r] ...
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Altered mating-type identity in the fungus Podospora anserina leads to selfish nuclei, uniparental progeny, and haploid meiosis.
... 1976). The genetic data show that karyogamy between two mutant nuclei of similar mating type also leads to meio- sis and sporulation. Thus, heterozygosity of mating type is not [r] ...
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MATING TYPE MUTATIONS IN VARIETY 1 OF PARAMECIUM AURELIA, AND THEIR BEARING UPON THE PROBLEM OF MATING TYPE DETERMINATION
... Two mutant stocks of variety 1, pure for the odd mating type (I) have been analysed and shown to contain an allele of the mtl gene previously known to restrict stock P of [r] ...
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Directed replacement of mt A by mt a-1 effects a mating type switch in Neurospora crassa.
... Because the ectopic mating type genes do not function in any cell background ( a mutants, A mutants, or tolerant mutants of either mating type), we conclude that inte[r] ...
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