CGSC Strain#: 6958
Strain Designation: R874     
Source of Strain: A. Campbell
Sex: F+
Chromosomal Markers: lac-3350,
λ-,
bioF12,
IN(rrnD-rrnE)1Strain Comments: - Feedback (req. 87360) that the Bio auxotrophy is demonstrable on Davis minimal, not on other minimal media. Please send us your feedback on this strain.
- IN(rrnD-rrnE)1-- Inverts the region between rrnD (73.74 min) and rrnE (90.66 min)
References: - Del Campillo-Campbell, A, G Kayajanian, A Campbell, S Adhya 1967. Biotin-requiring mutants of Escherichia coli K-12. J. Bacteriol. 94(6):2065-6.