TY - JOUR T1 - Early steps in carotenoid biosynthesis: sequences and transcriptional analysis of the crtI and crtB genes of Rhodobacter sphaeroides and overexpression and reactivation of crtI in Escherichia coli and R. sphaeroides. JO - J Bacteriol PY - 1994/07/01 AU - Lang HP AU - Cogdell RJ AU - Gardiner AT AU - Hunter CN ED - DO - DOI: 10.1128/jb.176.13.3859-3869.1994 VL - 176 IS - 13 SP - 3859 EP - 3869 Y2 - 2024/10/23 ER -