TABLE 1.
Yeast strains used in this study
| Strain | Genotype | Descriptiona | Reference or source |
|---|---|---|---|
| NOY401 | MATarpa190-3 ura3 leu2 trp1 can1 | Pol I ts strain | 31 |
| NOY401/I3 | MATarpa190-3 ura3 leu2 trp1 can1 25S::I3 | Pol I ts strain with PpLSU3 integrated | This study |
| INVSc2 | MATαhis3-Δ200 ura3-167 | Invitrogen | |
| INVSc2/I3 | MATαhis3-Δ200 ura3-167 25S:I3 | PpLSU3 integrated | This study |
| INVSc2/I3ΔORF | MATαhis3-Δ200 ura3-167 25S::I3ΔORF | I3ΔORF integrated | This study |
| INVSc2/TtLSU1 | MATαhis3-Δ200 ura3-167 25S::TtLSU1 | TtLSU1 integrated | This study |
| INVSc2/I3DIPpo | MATαhis3-Δ200 ura3-167 25S::I3DIPpo | I3DIPpo integrated | This study |
| INVSc2/I3IPS1 | MATαhis3-Δ200 ura3-167 25S::I3IPS | I3IPS1 integrated | This study |
a
In the context used in this report, “integrated” means that the intron is integrated into all copies of the rDNA repeats on chromosome XII.