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[URE3] is not present in USA+ rtg2Δ strains
| Donor | Growth on USA | Recipient | USA+/total cytoductants |
|---|---|---|---|
| MP29 RTG2 [URE3] | + | 4184 [ure-o] | 12/12 |
| MP29 RTG2 [ure-o] | − | 4184 [ure-o] | 0/17 |
| 3-1C rtg2∷G418 | + | 4184 [ure-o] | 0/7 |
| 3-4D rtg2∷G418 | + | 4833-3B [ure-o] | 0/9 |
| 3-6A rtg2∷G418 | + | 4833-3B [ure-o] | 0/13 |
| 3-12D rtg2∷G418 | + | 4184 [ure-o] | 0/10 |
RTG2 control strains and rtg2∷G418 segregants of strain MP51 were used as cytoduction donors to ρo [ure-o] derivatives of strains 4184 and 4483-3B.
