Title: | The a mating type locus of U. maydis specifies cell signaling components |
Author(s): | Bolker M; Urban M; Kahmann R; |
Address: | "Institut fur Genbiologische Forschung Berlin GmbH, Federal Republic of Germany" |
DOI: | 10.1016/0092-8674(92)90182-c |
ISSN/ISBN: | 0092-8674 (Print) 0092-8674 (Linking) |
Abstract: | "The a mating type locus of the phytopathogenic fungus U. maydis controls fusion of haploid cells and filamentous growth of the dikaryotic mycelium. The a locus exists in two alleles, termed a1 and a2, which are defined by nonhomologous DNA regions comprising 4.5 kb for a1 and 8 kb for a2, flanked by identical sequences. Based on functional assays, mutants, and sequencing, we demonstrate that the mating type in each allele is determined by a set of two genes. One encodes a precursor for a lipopeptide mating factor, and the other specifies the receptor for the pheromone secreted by cells of opposite mating type. Thus, U. maydis employs a novel strategy to determine its mating type by providing the primary determinants of cell-cell recognition directly from the mating type locus" |
Keywords: | "Alleles Amino Acid Sequence Base Sequence Cloning, Molecular Genes, Fungal/*genetics *Genes, Mating Type, Fungal Molecular Sequence Data Pheromones/genetics Receptors, Cell Surface/genetics Sequence Alignment Signal Transduction/*genetics Ustilago/*geneti;" |
Notes: | "MedlineBolker, M Urban, M Kahmann, R eng Research Support, Non-U.S. Gov't 1992/02/07 Cell. 1992 Feb 7; 68(3):441-50. doi: 10.1016/0092-8674(92)90182-c" |