CGSC Strain#: 5916
Strain Designation: JRG780      Source of Strain: J.R. Guest
Other Designations: K1
Sex: F- Chromosomal Markers: gal-25, λ^-, trpA9761(Am), rpsL195(strR), frdA11, trpR72(Am)
Strain Comments:

• This strain was called "K1" in the reference below.
• trpA9761(Am) was formerly called trp-40
• trpA9761(Am) was formerly called trp-47
• Am = amber(UAG) mutation
• 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.