A mutant screen that has had a significant impact in the field of biology

The basis of your poster will be a mutant screen that has had a significant impact in the field of biology. You have  been assigned a particular mutant screen to showcase in your poster and as a starting point you have been provided with a review paper that discusses the mutant screen. You are encouraged to use this review as a launch pad to investigate the literature further.

The key areas to be address in your poster are:
***Define the biological process being investigated and what was known about this process prior to the mutant screen (include up to 2 figures).

The poster template is included, and you only need to do the first part