R. Manoharlal, Lucky Duhan, R. Pasrija, Saiprasad V. S. Gandra
{"title":"GA3 mediated enhanced transcriptional rate and mRNA stability of 3-hydroxy-3-methylglutaryl coenzyme a reductase 1 (NtHMGR1) in Nicotiana tabacum L.","authors":"R. Manoharlal, Lucky Duhan, R. Pasrija, Saiprasad V. S. Gandra","doi":"10.55779/nsb14411317","DOIUrl":null,"url":null,"abstract":"Our present study evaluated the underlying molecular-mechanism(s) associated with the observed enhanced transcript levels and concomitant functional activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase 1 (NtHMGR1), a rate-limiting enzyme of cytosolic mevalonate (MVA) pathway of terpenoids biosynthesis, by gibberellin A3 (GA3) treatment in model cultivated tobacco, Nicotiana tabacum L. Based on the transcription run-on and cordycepin chase assays, our results demonstrated that tobacco seeds-priming with GA3 causes a relative and significantly enhanced transcriptional rate and mRNA stability of NtHMGR1. Taken together, our study established that GA3 mediated transcriptional and post-transcriptional regulatory control as one of the mechanisms for the observed enhanced transcript-levels and consequently enhanced functional activity of NtHMGR1.","PeriodicalId":19353,"journal":{"name":"Notulae Scientia Biologicae","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Notulae Scientia Biologicae","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.55779/nsb14411317","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Medicine","Score":null,"Total":0}
引用次数: 0
Abstract
Our present study evaluated the underlying molecular-mechanism(s) associated with the observed enhanced transcript levels and concomitant functional activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase 1 (NtHMGR1), a rate-limiting enzyme of cytosolic mevalonate (MVA) pathway of terpenoids biosynthesis, by gibberellin A3 (GA3) treatment in model cultivated tobacco, Nicotiana tabacum L. Based on the transcription run-on and cordycepin chase assays, our results demonstrated that tobacco seeds-priming with GA3 causes a relative and significantly enhanced transcriptional rate and mRNA stability of NtHMGR1. Taken together, our study established that GA3 mediated transcriptional and post-transcriptional regulatory control as one of the mechanisms for the observed enhanced transcript-levels and consequently enhanced functional activity of NtHMGR1.
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