CGSC Strain#: 6978
Strain Designation: RE507      Source of Strain: R.C. Essenberg
Sex: F- Chromosomal Markers: λ^-, e14-, Δ(recA-srl)306, srlR301::Tn10, relA1, spoT1, thiE1
Strain Comments:

• e14--- : Loss of the e14 element makes the strain McrA^-.
• Δ(recA-srl)306-- removes all, or nearly all, of the recA gene and extends into srlR, but does not remove the Tn10 insertion in srlR
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• thiE1 was formerly called thi-1
• = tetracycline resistant

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