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Summary of information on rrn9Δ N-PSW, rrn9Δ PSW, and control RRN9 (WT) strains
| Strain | Growth without Pol I | No. of rDNA repeats | Nucleolus | rDNA transcription by Pol II |
|---|---|---|---|---|
| WT | − | ∼150 | Crescent, periphery | − |
| rrn9Δ N-PSW | − | ∼80 | Not studied | + |
| rrn9Δ PSW | + | ∼400 | Round, interior | +++ |
