Badenhop, F., Steiger, S., Sandmann, M. and Sandmann, G. (2003). „Expression and biochemical characterization of the 1-HO-carotenoid methylase CrtF from Rhodobacter capsulatus”. FEMS Microbiol. Lett.222: 237-242. PMID12770713.
Pinta, V., Ouchane, S., Picaud, M., Takaichi, S., Astier, C. and Reiss-Husson, F. (2003). „Characterization of unusual hydroxy- and ketocarotenoids in Rubrivivax gelatinosus: involvement of enzyme CrtF or CrtA”. Arch. Microbiol.179: 354-362. PMID12664193.
Scolnik, P.A., Walker, M.A. and Marrs, B.L. (1980). „Biosynthesis of carotenoids derived from neurosporene in Rhodopseudomonas capsulata”. J. Biol. Chem.255: 2427-2432. PMID7358679.
