{"title":"软体动物卵早期有丝分裂周期中p32和c14 -尿嘧啶的节律性结合。","authors":"R L Brahmachary, D Ghosal, P K Tapaswi","doi":"10.1515/znb-1971-0817","DOIUrl":null,"url":null,"abstract":"Incorporation of P32 and C14-uracil into RNase-sensitive, acid-insoluble fraction takes place in well defined cycles in course of the early cleavage in Limnaea embryos. This suggests a cyclic RNA synthesis. 40-50% less RNA is transcribed during the latter half of each cell division cycle. The rhythm is absent in the homogenate. The relevance of the findings has been discussed.","PeriodicalId":23706,"journal":{"name":"Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete","volume":"26 8","pages":"822-4"},"PeriodicalIF":0.0000,"publicationDate":"1971-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/znb-1971-0817","citationCount":"2","resultStr":"{\"title\":\"Rhythmic incorporation of P 32 and C 14 -uracil in early mitotic cycles of Limnaea (mollusc) eggs.\",\"authors\":\"R L Brahmachary, D Ghosal, P K Tapaswi\",\"doi\":\"10.1515/znb-1971-0817\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Incorporation of P32 and C14-uracil into RNase-sensitive, acid-insoluble fraction takes place in well defined cycles in course of the early cleavage in Limnaea embryos. This suggests a cyclic RNA synthesis. 40-50% less RNA is transcribed during the latter half of each cell division cycle. The rhythm is absent in the homogenate. The relevance of the findings has been discussed.\",\"PeriodicalId\":23706,\"journal\":{\"name\":\"Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete\",\"volume\":\"26 8\",\"pages\":\"822-4\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1515/znb-1971-0817\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1515/znb-1971-0817\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/znb-1971-0817","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Rhythmic incorporation of P 32 and C 14 -uracil in early mitotic cycles of Limnaea (mollusc) eggs.
Incorporation of P32 and C14-uracil into RNase-sensitive, acid-insoluble fraction takes place in well defined cycles in course of the early cleavage in Limnaea embryos. This suggests a cyclic RNA synthesis. 40-50% less RNA is transcribed during the latter half of each cell division cycle. The rhythm is absent in the homogenate. The relevance of the findings has been discussed.
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