{"title":"植物的表观遗传转变与DNA或组蛋白修饰的变化无关","authors":"Taisuke Nishimura , Jerzy Paszkowski","doi":"10.1016/j.bbaexp.2007.03.002","DOIUrl":null,"url":null,"abstract":"<div><p>Covalent modifications of DNA and histones correlate with chromatin compaction and with its transcriptional activity and contribute to mitotic and meiotic heritability of epigenetic traits. However, there are intriguing examples of the transition of epigenetic states in plants that appear to be uncoupled from the conventional mechanisms of chromatin-mediated regulation of transcription. Further study of the molecular mechanism and biological significance of such atypical epigenetic regulation may uncover novel aspects of epigenetic gene regulation and better define its role in plant development and environmental adaptation.</p></div>","PeriodicalId":100161,"journal":{"name":"Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression","volume":"1769 5","pages":"Pages 393-398"},"PeriodicalIF":0.0000,"publicationDate":"2007-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.bbaexp.2007.03.002","citationCount":"3","resultStr":"{\"title\":\"Epigenetic transitions in plants not associated with changes in DNA or histone modification\",\"authors\":\"Taisuke Nishimura , Jerzy Paszkowski\",\"doi\":\"10.1016/j.bbaexp.2007.03.002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Covalent modifications of DNA and histones correlate with chromatin compaction and with its transcriptional activity and contribute to mitotic and meiotic heritability of epigenetic traits. However, there are intriguing examples of the transition of epigenetic states in plants that appear to be uncoupled from the conventional mechanisms of chromatin-mediated regulation of transcription. Further study of the molecular mechanism and biological significance of such atypical epigenetic regulation may uncover novel aspects of epigenetic gene regulation and better define its role in plant development and environmental adaptation.</p></div>\",\"PeriodicalId\":100161,\"journal\":{\"name\":\"Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression\",\"volume\":\"1769 5\",\"pages\":\"Pages 393-398\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.bbaexp.2007.03.002\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0167478107000528\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167478107000528","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Epigenetic transitions in plants not associated with changes in DNA or histone modification
Covalent modifications of DNA and histones correlate with chromatin compaction and with its transcriptional activity and contribute to mitotic and meiotic heritability of epigenetic traits. However, there are intriguing examples of the transition of epigenetic states in plants that appear to be uncoupled from the conventional mechanisms of chromatin-mediated regulation of transcription. Further study of the molecular mechanism and biological significance of such atypical epigenetic regulation may uncover novel aspects of epigenetic gene regulation and better define its role in plant development and environmental adaptation.
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