- Exogenous inositol and genes responsible for inositol transport are required for mating and sporulation in Shizosaccharomyces pombe. Niederberger, C., Gräub, R., Schweingruber, A.M., Fankhauser, H., Rusu, M., Poitelea, M., Edenharter, L., Schweingruber, M.E. Curr. Genet. (1998)