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Full-Text Articles in Molecular Biology

The Role Of Alternative Polyadenylation Mediated By Cpsf30 In Arabidopsis Thaliana, Guijie Hao Jan 2017

The Role Of Alternative Polyadenylation Mediated By Cpsf30 In Arabidopsis Thaliana, Guijie Hao

Theses and Dissertations--Plant and Soil Sciences

Drought stress is considered one of the most devastating abiotic stress factors that limit crop productivity for modern agriculture worldwide. There is a large range of physiological and biochemical responses induced by drought stress. The responses range from physiological and biochemical to regulation at transcription and posttranscriptional levels. Post-transcription, the products encoded by eukaryotic genes must undergo a series of modifications to become a mature mRNA. Polyadenylation is an important one in terms of regulation. Polyadenylation impacts gene expression through determining the coding and regulation potential of the mRNA, especially when different mRNAs from the same gene may be polyadenylated …


Transcriptomic Analyses Of Cathatranthus Roseus Hairy Roots Overexpressing Crmyc2 And Orca3 And Roles Of Cross-Family Transcription Factor Interaction In Terpenoid Indole Alkaloid Biosynthesis, Xueyi Sui Jan 2017

Transcriptomic Analyses Of Cathatranthus Roseus Hairy Roots Overexpressing Crmyc2 And Orca3 And Roles Of Cross-Family Transcription Factor Interaction In Terpenoid Indole Alkaloid Biosynthesis, Xueyi Sui

Theses and Dissertations--Plant and Soil Sciences

Catharanthus roseus (Madagascar periwinkle), is a well-known medicinal plant that produces a vast array of terpenoid indole alkaloids (TIAs), including two anticancer compounds vinblastine and vincristine. Industrial scale production of TIAs is hampered by the difficulties of total chemical synthesis of these compounds and the fragmented knowledge on TIA pathway. Transcriptional regulation of the TIA biosynthetic pathway has not been thoroughly investigated in Catharanthus and only a few structural genes have been identified as the targets of two master regulators: the basic helix-loop-helix (bHLH) transcription factor (TF) CrMYC2 and APETALA2/ETHYLENE RESPONSE FACTOR (AP2/ERF), ORCA3. Next generation sequencing (NGS) has been …