Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
1991-12-16
pubmed:abstractText
The yeast HO gene is transcribed transiently during G1 as cells undergo START. START-specific HO activation requires two proteins, SWI4 and SWI6, which act via a motif (CACGA4) repeated up to 10 times within the URS2 region of the HO promoter. We identified a DNA-binding activity containing SWI4 and SWI6 that recognizes the CACGA4 sequences within URS2. Two forms of SWI4,6-DNA complexes called L and U can be distinguished by their electrophoretic mobility. L complexes can be detected at all stages of the cell cycle, but U complexes are only detected in cells that have undergone START. The formation of U complexes may be the trigger of HO activation. The SWI6 protein is concentrated in the nucleus throughout G1, but at some point in S or G2 significant amounts accumulate in the cytoplasm. This change in cellular location of the SWI6 protein might contribute to the turnoff of HO transcription after cells have undergone START.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0890-9369
pubmed:author
pubmed:issnType
Print
pubmed:volume
5
pubmed:geneSymbol
HO
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2000-13
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed-meshheading:1936990-Base Sequence, pubmed-meshheading:1936990-Cell Cycle, pubmed-meshheading:1936990-DNA, Fungal, pubmed-meshheading:1936990-DNA-Binding Proteins, pubmed-meshheading:1936990-Deoxyribonucleases, Type II Site-Specific, pubmed-meshheading:1936990-Fungal Proteins, pubmed-meshheading:1936990-Gene Expression Regulation, Fungal, pubmed-meshheading:1936990-Genes, Fungal, pubmed-meshheading:1936990-Kinetics, pubmed-meshheading:1936990-Molecular Sequence Data, pubmed-meshheading:1936990-Precipitin Tests, pubmed-meshheading:1936990-Promoter Regions, Genetic, pubmed-meshheading:1936990-Protein Kinases, pubmed-meshheading:1936990-Repetitive Sequences, Nucleic Acid, pubmed-meshheading:1936990-Saccharomyces cerevisiae, pubmed-meshheading:1936990-Saccharomyces cerevisiae Proteins, pubmed-meshheading:1936990-Transcription Factors, pubmed-meshheading:1936990-Transcriptional Activation
pubmed:year
1991
pubmed:articleTitle
Changes in a SWI4,6-DNA-binding complex occur at the time of HO gene activation in yeast.
pubmed:affiliation
Research Institute of Molecular Pathology, Vienna, Austria.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't