CGSC Strain#: 4953
Strain Designation: H514     
Source of Strain: H. Hoffmann-Berling
Sex: F-
Chromosomal Markers: thyA26,
thyA46,
endA2,
uvrA103,
arg-48,
φXsStrain Comments: - This K-12 x C hybrid is devoid of K-12 host modifying and restricting properties.
- thyA26-- Strains with this marker must have their medium supplemented with thymine (25ug/ml). This is true even for rich medium such as LB. Otherwise thymine starvation can lead to thymineless death.
- thyA46-- Strains with this marker must have their medium supplemented with thymine (25ug/ml). This is true even for rich medium such as LB. Otherwise thymine starvation can lead to thymineless death.
- φXs-- : φX sensitivity is derived from E. coli C
- = good miniprep dsDNA quality
References: - Vosberg, HP, H Hoffmann-Berling 1971. DNA synthesis in nucleotide-permeable Escherichia coli cells. I. Preparation and properties of ether-treated cells. J. Mol. Biol. 58(3):739-53.