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. 2005 Sep;171(1):23–34. doi: 10.1534/genetics.105.043489

TABLE 6.

Ure2p of S. cerevisiae and S. uvarum adopt a prion isoform in S. paradoxus

Ortholog [URE3] frequency
URE2Sc 5 × 10−6
URE2Sp 0
URE2Su 1 × 10−6
URE2Kl 0

The Sp(Δure2) strain was transformed with plasmids expressing Ure2p orthologs. The [URE3] phenotype was tested as described in Figure 6. The [URE3] state of 200 [Ade+] clones was monitored.