The PhD contracts will be for two years renewable up to a total of 4 years, the postdoctoral positions will be for one or two years and can be extended up to 5 years. Starting dates are flexible. A first round is expected to begin in September 2015, at the initiation of the project. Applications will remain open during the five year course of RotaNut or until all positions are filled. Enthusiastic and motivated scientists are encouraged to apply even if they are not available on September 1st, 2015.