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Fungal mating-type pheromone This family corresponds to mating-type pheromone proteins. The homobasidiomycetes, or mushroom fungi, have arguably the most complex mating system of all known organizms. Many species possess a mating system known as bifactorial incompatibility, where two unlinked loci control the mating -type of an individual incompatibility loci (the A and B mating-type loci). Each A mating-type sublocus encodes a pair of divergently transcribed homeodomain transcription factors while the genes responsible for B mating-type activity encode lipopeptide pheromones and G-protein -coupled pheromone receptors. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",