{"title":"Chromosomal localization of single copy genes SRY and SOX3 by primed in situ labeling (PRINS).","authors":"J S Kadandale, Y Tunca, A T Tharapel","doi":"10.1089/10906590050179756","DOIUrl":null,"url":null,"abstract":"<p><p>Primed in situ labeling (PRINS) is a sensitive and specific technique that can be used for the localization of single copy genes and DNA segments that are too small to be detected by conventional FISH. With PRINS, we physically localized the SRY gene to Yp11.31p11.32 and the SOX3 gene to Xq26q27. Locus-specific oligonucleotide primers were annealed in situ and extended on chromosome preparations fixed on microscope slides, in the presence of dATP, dCTP, dGTP, dTTP, biotin-16-dUTP, Tris-HCl, KCl, MgCl2, BSA, and Taq DNA polymerase. Fluorescent signals were detected in metaphase spreads and interphase nuclei. Our method may prove valuable for use with single copy genes in general.</p>","PeriodicalId":79689,"journal":{"name":"Microbial & comparative genomics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1089/10906590050179756","citationCount":"27","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microbial & comparative genomics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1089/10906590050179756","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 27
Abstract
Primed in situ labeling (PRINS) is a sensitive and specific technique that can be used for the localization of single copy genes and DNA segments that are too small to be detected by conventional FISH. With PRINS, we physically localized the SRY gene to Yp11.31p11.32 and the SOX3 gene to Xq26q27. Locus-specific oligonucleotide primers were annealed in situ and extended on chromosome preparations fixed on microscope slides, in the presence of dATP, dCTP, dGTP, dTTP, biotin-16-dUTP, Tris-HCl, KCl, MgCl2, BSA, and Taq DNA polymerase. Fluorescent signals were detected in metaphase spreads and interphase nuclei. Our method may prove valuable for use with single copy genes in general.
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