CIP 65.33
Escherichia coli
CIP
Bacteria
30 °C
Aerobic
Hfr thi str-s (thr+ leu+ gal+ lac+ xyl+)
1965, M. Piéchaud, Inst. Pasteur, Paris, France: strain H Hfr
Ancestral Hfr strain, K-12 derivative used in conjugation experiments. Isolated from F+ cultures by William Hayes.
B
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