CGSC Strain#: 5206
Strain Designation: ND20     
Source of Strain: E. Ohtsubo
Sex: F'
Episome/Plasmid: F8-12
Plasmid Markers/Mutations: Chromosomal Markers: thr-24,
galT23,
λ-,
trp-56,
recA41,
rpsL178(strR)
,
phe-4,
tyr-7Strain Comments: - galT23-- : This is the standard gal6 of Morse & Lederberg.
- strR = streptomycin resist.
References: - Ohtsubo, E, MT Hsu 1978. Electron microscope heteroduplex studies of sequence relations among plasmids of Escherichia coli: structure of F100, F152, and F8 and mapping of the Escherichia coli chromosomal region fep-supE-gal-attlambda-uvrB. J. Bacteriol. 134(3):778-94.