Yeast Two-hybrid Assays

Yeast two-hybrid assays are a powerful tool in the field of molecular biology and biochemistry. These assays are used to study protein-protein interactions and identify interacting proteins within a biological system. The yeast two-hybrid system relies on the interaction between two separate proteins, the bait protein and the prey protein. The bait protein is fused to the DNA-binding domain of the yeast transcription factor (TF). The prey protein is fused to the activation domain of the same transcription factor (TF). When the bait and prey proteins interact, the transcription factor is reconstituted, which activates the transcription of a reporter gene. Yeast two-hybrid assays are commonly used to identify protein-protein interactions in biological systems, such as in the study of signal transduction pathways and gene regulation. One key advantage of the yeast two-hybrid assay is that it can be performed in vivo, allowing for the identification of protein-protein interactions under physiological conditions. Additionally, yeast two-hybrid assays can be performed in a high-throughput manner, making them ideal for large-scale analyses of protein-protein interactions. These assays can also be adapted for use in other organisms, including mammalian cells. In summary, yeast two-hybrid assays are a valuable tool in the field of molecular biology and biochemistry. They enable the identification of protein-protein interactions in biological systems and can be performed in vivo and in a high-throughput manner.

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