- Gene for the ribulose-1,5-bisphosphate carboxylase small subunit protein of the marine chromophyte Olisthodiscus luteus is similar to that of a chemoautotrophic bacterium. Boczar, B.A., Delaney, T.P., Cattolico, R.A. Proc. Natl. Acad. Sci. U.S.A. (1989)