CGSC Strain#: 4091
Strain Designation: AB4091      Source of Strain: D. Vapnek
Sex: F- Chromosomal Markers: araBAD-1, tsx-77, thyA40, deoB15
Strain Comments:

• thyA40-- 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.

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