Rapid selection against truncation mutants in yeast reverse two-hybrid screens |
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Authors: | Puthalakath H Strasser A Huang D C |
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Institution: | Walter and Eliza Hall Institute, Melbourne, Australia. |
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Abstract: | The yeast reverse two-hybrid system is a powerful technique for isolating mutations in a protein that abolish its interaction with a known partner. Selection is based on abrogation of growth suppression imposed when wild-type interactions confer 5-fluoroorotic acid (5-FOA) sensitivity to yeast cells. A laborious component of this system is to eliminate those mutations that cause protein truncation. By fusing the green fluorescent protein (GFP) to the C-terminus of a protein of interest, dynein light chain (LC8), we were able to rapidly isolate mutations that did not result in protein truncation. |
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