Article
More than half of yeast U1 snRNA is dispensable for growth.
Nucleic acids research - 11 Dec 1991
Siliciano P G, Kivens W J, Guthrie C
Abstract excerpt
Yeast U1 snRNA (568 nucleotides) is 3.5-fold larger than its mammalian counterpart (164 nucleotides) and contains apparent sequence homology only at the 5' and 3' ends. We have used deletion analysis to determine whether the yeast-specific U1 sequences play essential roles in vivo. Yeast cells carrying a deletion of more than 60% (355 nucleotides) of the single-copy U1 gene are viable, though slow-growing, while...
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