CGSC Strain#: 5519
Strain Designation: JRG861a     
Source of Strain: J.R. Guest
Sex: F-
Chromosomal Markers: gal-25,
λ-,
trpA9761(Am)
,
fnr-1,
IN(rrnD-rrnE)1,
rpsL195(strR)
,
iclR7(Const)
,
trpR72(Am)
Strain Comments: - IN(rrnD-rrnE)1-- Inverts the region between rrnD (73.74 min) and rrnE (90.66 min)
- iclR7(Const)-- renders this strain constitutive for isocitrate lyase.
- fnr-1 was formerly called nirR1
- trpA9761(Am) was formerly called trp-40
- trpA9761(Am) was formerly called trp-47
- Am = amber(UAG) mutation
- Const = constitutive
- strR = streptomycin resist.
References: - Lambden, PR, JR Guest 1976. Mutants of Escherichia coli K12 unable to use fumarate as an anaerobic electron acceptor. J. Gen. Microbiol. 97(2):145-60.