{"title":"染色质荧光和亚硫蛋白染色反应的细胞化学机制。","authors":"M Cañete, R Armas-Portela, J C Stockert","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>After staining with thionin at low concentration (less than 10(-5) M), the masses of condensed chromatin in chicken erythrocyte nuclei show a red fluorescence under green excitation, which is abolished when they become stained by using concentrations higher than 10(-4) M. The possibility that intercalative binding of a hydrophobic component from the dye solution into DNA accounts for this fluorescence reaction in chromatin is briefly discussed.</p>","PeriodicalId":76158,"journal":{"name":"Microscopica acta","volume":"87 1","pages":"35-8"},"PeriodicalIF":0.0000,"publicationDate":"1983-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cytochemical mechanisms of chromatin fluorescence and staining reactions by thionin solutions.\",\"authors\":\"M Cañete, R Armas-Portela, J C Stockert\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>After staining with thionin at low concentration (less than 10(-5) M), the masses of condensed chromatin in chicken erythrocyte nuclei show a red fluorescence under green excitation, which is abolished when they become stained by using concentrations higher than 10(-4) M. The possibility that intercalative binding of a hydrophobic component from the dye solution into DNA accounts for this fluorescence reaction in chromatin is briefly discussed.</p>\",\"PeriodicalId\":76158,\"journal\":{\"name\":\"Microscopica acta\",\"volume\":\"87 1\",\"pages\":\"35-8\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1983-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Microscopica acta\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microscopica acta","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Cytochemical mechanisms of chromatin fluorescence and staining reactions by thionin solutions.
After staining with thionin at low concentration (less than 10(-5) M), the masses of condensed chromatin in chicken erythrocyte nuclei show a red fluorescence under green excitation, which is abolished when they become stained by using concentrations higher than 10(-4) M. The possibility that intercalative binding of a hydrophobic component from the dye solution into DNA accounts for this fluorescence reaction in chromatin is briefly discussed.
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