When yeast "a" and "alpha" cells encounter mating pheromones of the opposite cell type they induce genes necessary for mating, arrest the cell cycle in G1, alter cell surface and nuclear determinants, and also undergo dramatic morphological elongation into pear shapes, affectionately termed "schmooing". These alterations prepare the yeast cells for mating and fusion to form stable diploids. The a/alpha diploids are not responsive to mating pheromone of either type, but can be induced to undergo meiosis via nutrient deprivation. The use of yeast mating pheromones has pioneered the study of the cell cycle, cellular morphology, transcriptional induction, as well as signal transduction pathways. Zymo Research provides the alpha-factor peptide mating pheromone as a ready to use liquid that has been optimized for both activity and stability and retain biological function through multiple freeze-thaw cycles. Aqueous Solution: Convenient ready-to-use solution of yeast alpha-factor mating pheromone for mating induction and G1 cell cycle arrest.Robust and Efficient: Liquid solution has been optimized for both activity and stability and retains biological function through multiple freeze-thaw cycles.Easy: Widely-used simple method for studying the cell cycle, cellular morphology, transcriptional induction, and signal transduction pathways.Molecular Weight: 1684Storage Temperature: -20CStorage Conditions: FreezerAmino Acid Sequence: TRP-HIS-TRP-LEU-GLN-LEU-LYS-PRO-GLY-GLN-PRO-MET-TYRConcentration: 10 mM in 0.1 M sodium acetate pH 5.2, (i.e., 4 mg/240 μl). Molecular Weight: 1684.0 Da Product Storage: Store at -20°C. Alpha-factor is stable during multiple freeze-thaw cycles. Purity: > 98% by HPLCUsage: Recommended working concentration: ~5 μM (bar1Δ) to 100 μM (BAR1).Shipping Weight: 0.1301 lbsShipping Dimensions: 1.80 x 0.50 x 0.50Research or further manufacturing use only, not for food or drug use.
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