Article
Degeneration of a homing endonuclease and its target sequence in a wild yeast strain.
Nucleic acids research - 15 Oct 2001
Gimble F S
Abstract excerpt
Mobile introns and inteins self-propagate by 'homing', a gene conversion process initiated by site-specific homing endonucleases. The VMA intein, which encodes the PI-SceI endonuclease in Saccharomyces cerevisiae, is present in several different yeast strains. Surprisingly, a wild wine yeast (DH1-1A) contains not only the intein(+) allele, but also an inteinless allele that has not undergone gene conversion. To...
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