[Rearrangements of yeast chromosomes revealed by pulsed field gel electrophoresis]. 1991

B F Iarovoĭ, and E v Mezhevaia, and V L Stepanova, and I A Zakharov

Electrophoretic karyotypes of yeast Saccharomyces cerevisiae integrant strains containing the pYF91 plasmid integrated into the chromosomes I, III, VI, IX, XI were studied. A possibility was demonstrated of visual identification of the chimaeric chromosomes via the molecular weight increase by 13200 bp (the plasmid size) determined by pulsed field gel electrophoresis. Several gamma-rays induced rearrangements of the yeast chimaeric chromosome I causing instability in hybrids were also studied. The deletions induced in the I chromosome were analysed and their size estimated. The technique of pulsed field gel electrophoresis is recommended for determination of insertions and deletions in the chromosomes of yeast Saccharomyces cerevisiae.

UI MeSH Term Description Entries
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D002872 Chromosome Deletion Actual loss of portion of a chromosome. Monosomy, Partial,Partial Monosomy,Deletion, Chromosome,Deletions, Chromosome,Monosomies, Partial,Partial Monosomies
D004586 Electrophoresis An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current. Electrophoreses
D012441 Saccharomyces cerevisiae A species of the genus SACCHAROMYCES, family Saccharomycetaceae, order Saccharomycetales, known as "baker's" or "brewer's" yeast. The dried form is used as a dietary supplement. Baker's Yeast,Brewer's Yeast,Candida robusta,S. cerevisiae,Saccharomyces capensis,Saccharomyces italicus,Saccharomyces oviformis,Saccharomyces uvarum var. melibiosus,Yeast, Baker's,Yeast, Brewer's,Baker Yeast,S cerevisiae,Baker's Yeasts,Yeast, Baker
D015321 Gene Rearrangement The ordered rearrangement of gene regions by DNA recombination such as that which occurs normally during development. DNA Rearrangement,DNA Rearrangements,Gene Rearrangements,Rearrangement, DNA,Rearrangement, Gene,Rearrangements, DNA,Rearrangements, Gene
D015825 Chromosomes, Fungal Structures within the nucleus of fungal cells consisting of or containing DNA, which carry genetic information essential to the cell. Chromosome, Fungal,Fungal Chromosome,Fungal Chromosomes

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