CGSC Strain#: 5222
Strain Designation: N23-53      Source of Strain: H. Ogawa
Sex: F- Chromosomal Markers: thr-24, galT23, λ^-, trp-56, recA41, IN(rrnD-rrnE)1, rpsL178(strR), tyr-7, phe-4
Strain Comments:

• The inversion comes from strain W3110, an ancestor of N23-53.
• galT23-- : This is the standard gal₆ of Morse & Lederberg.
• IN(rrnD-rrnE)1-- Inverts the region between rrnD (73.74 min) and rrnE (90.66 min)
• strR = streptomycin resist.

References:

• Ogawa, H, K Shimada, J Tomizawa 1968. Studies on radiation-sensitive mutants of E. coli. I. Mutants defective in the repair synthesis. Mol. Gen. Genet. 101(3):227-44.