Table 1.

S. cerevisiae strains and plasmids used

Designation	Description	Reference
Strains
L1489	MAT a ade1-14 his7-1 leu2-3,112lys2-L864 trp1-Δ1 ura3-52	Chernoff et al., 1994
L1494	MAT a ade1-14 his7-1 leu2-3,112 lys2-L864 trp1-1 ura3-52 ΔrDNA, pRDN-wt,	Chernoff et al., 1994
NOY 505	MATα ade2-1 ura3-1 leu2-3,112 trp1-1 his3-11 can1-100	Nogi et al., 1991
NOY 558	MATα ade2-1 ura3-1 leu2-3,112 trp1-1 his3-11 can1-100 rrn7: :LEU2 pNOY 103	Keys et al., 1994
D306-5d	MATα ade 2-1 trp1-1 leu2-3,112 ura3-52 met15-1 rpa 190-2	Wittekind et al., 1988
Plasmids
pRDN-wt	2μ plasmid carrying 35S rDNA, 5S rDNA, TRP1, LEU2-d	Chernoff et al., 1994
pNOY 103	2μ plasmid carrying GAL7-35S rDNA, ADE3, URA3	Keys et al., 1994
pZUT3	centromeric plasmid carrying GAR1-GFP, URA3	This work
pZUT4	centromeric plasmid carrying GAR1-GFP, TRP1	This work