Kluyveromyces lactis (Dombrowski) van der Walt
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Astrom SU, et al. Kluyveromyces lactis Sir2p regulates cation sensitivity and maintains a specialized chromatin structure at the cryptic alpha-locus. Genetics 156: 81-91, 2000. PubMed: 10978277
derived from a cross of strains SAY121 (ATCC MYA-1143) x SAY122 (ATCC MYA-1144)