Reference: Meeks-Wagner D, et al. (1986) Isolation of two genes that affect mitotic chromosome transmission in S. cerevisiae. Cell 44(1):53-63

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Abstract


Two DNA sequences that reduce mitotic fidelity of chromosome transmission have been identified: MIF1 and MIF2. MIF1 is a unique sequence located on the right arm of chromosome XII that stimulates loss and recombination for both chromosomes V and VII when present in a high copy number plasmid. MIF1 is not essential for cell division but is necessary for the normal fidelity of chromosome transmission. MIF2 is a unique sequence located 15 cM distal to HIS6 on chromosome IX that induces a high frequency of chromosome VII loss and a lower frequency of chromosome V loss when present in high copy number; it has no effect on mitotic recombination. Disruption of the genomic MIF2 locus was lethal and cells lacking this function arrested division with a terminal phenotype characteristic of a block in DNA replication or nuclear division.

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Journal Article | Research Support, U.S. Gov't, Non-P.H.S. | Research Support, U.S. Gov't, P.H.S.
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Meeks-Wagner D, Wood JS, Garvik B, Hartwell LH
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