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.
Original language | English (US) |
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Pages (from-to) | 53-63 |
Number of pages | 11 |
Journal | Cell |
Volume | 44 |
Issue number | 1 |
DOIs | |
State | Published - Jan 17 1986 |
ASJC Scopus subject areas
- General Biochemistry, Genetics and Molecular Biology