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  • 1
    Publication Date: 1989-09-29
    Description: Proteins from Drosophila nuclei that bind to regions of alternating C and T residues present in the promoters of the heat shock genes hsp70 and hsp26 and the histone genes his3 and his4 have been purified. These proteins bind to isolated linear DNA, and genomic footprinting analyses indicate that they are bound to DNA in nuclei. In supercoiled plasmids at low pH, some of these DNA sequences adopt triple-helical structures which, if they form in vivo, could significantly affect chromatin structure. The nuclear proteins described here, and not necessarily the deformed conformation of the DNA, may be responsible for maintaining a potentially inducible promoter structure before transcriptional activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gilmour, D S -- Thomas, G H -- Elgin, S C -- F32 GM107982/GM/NIGMS NIH HHS/ -- GM31532/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1989 Sep 29;245(4925):1487-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Washington University, St. Louis, MO 63130.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2781290" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cytosine/metabolism ; DNA-Binding Proteins/*metabolism ; Deoxyribonuclease I ; Drosophila/genetics/metabolism ; Molecular Sequence Data ; Nuclear Proteins/*metabolism ; *Promoter Regions, Genetic ; Thymine/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 1988-08-12
    Description: The association of Wilms' tumor with aniridia (the WAGR complex) in children with 11p13 chromosomal abnormalities has been established, but the paucity of molecular probes in 11p13 has hampered identification of the responsible genes. Two new anonymous DNA segments have been identified that map to the WAGR region of 11p13. Both DNA probes identify a cytologically undetectable deletion associated with a balanced chromosome translocation inherited by a patient with familial aniridia, but not Wilms' tumor. The same two DNA segments are also included in the distal p13-p14.1 deletion of another patient, who has aniridia, Wilms' tumor, and hypogonadism, but they are not included in the p12-p13 deletion of a third patient, who does not have aniridia but has had a Wilms' tumor. The discovery of this aniridia deletion and these two DNA segments that physically separate the Wilms' tumor and aniridia loci should facilitate identification of the genes in the WAGR locus, beginning with the aniridia gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, L M -- Stallard, R -- Thomas, G H -- Couillin, P -- Junien, C -- Nowak, N J -- Shows, T B -- CA28853/CA/NCI NIH HHS/ -- GM20454/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 12;241(4867):840-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Roswell Park Memorial Institute, Buffalo, NY 14263.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2841760" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosome Deletion ; *Chromosomes, Human, Pair 11 ; DNA/*genetics ; Humans ; Hybrid Cells/cytology ; Iris/*abnormalities ; Kidney Neoplasms/*genetics ; *Translocation, Genetic ; Wilms Tumor/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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