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Full-Text Articles in Life Sciences

Gq Noncanonical Roles In Translational Regulation, Brett Demarco Aug 2018

Gq Noncanonical Roles In Translational Regulation, Brett Demarco

Electronic Theses and Dissertations

This study investigates protein nucleic acid interactions, focusing on G-quadruplex (GQ) forming DNA/RNA in human disease. GQ structures are formed in DNA/RNA, when four guanine residues form planar tetrads stabilized by Hoogsteen base pairing, that stack forming a GQ structure stabilized by potassium ions. These GQ structures are targeted by the arginine glycine-glycine (RGG) RNA-binding domain. Fragile X mental retardation protein (FMRP), a translation regulator protein implicated in the fragile X syndrome, has an RGG domain and has been previously shown to interact with neuronal GQ forming messenger RNA (mRNA). We have investigated three neuronal FMRP mRNA targets that we …


Cooperative Regulation Of Translational Repression By Fmrp And The Mirna Pathway, Navneeta Kaul Aug 2018

Cooperative Regulation Of Translational Repression By Fmrp And The Mirna Pathway, Navneeta Kaul

Electronic Theses and Dissertations

Fragile X syndrome (FXS) is the most common inherited monogenic cause of intellectual disability. FXS patients exhibit social and language deficits, hyperactivity, seizures, growth abnormalities, macroorchidism, anxiety, and epilepsy. FXS is caused by the transcriptional silencing of the fragile X mental retardation gene 1 (Fmr1), resulting in the loss of the fragile X mental retardation protein (FMRP). FMRP is a selective mRNA binding protein that plays a role in translation repression. Studies suggest that FMRP utilizes the miRNA pathway to repress translation of its target mRNAs through an unknown mechanism. The aim of my thesis is to investigate …


Transcriptome Analysis Of Root Development In Wheat Triticum Aestivum Using High Throughtput Sequencing Technologies, Ghana Challa Jan 2018

Transcriptome Analysis Of Root Development In Wheat Triticum Aestivum Using High Throughtput Sequencing Technologies, Ghana Challa

Electronic Theses and Dissertations

Root provides plant water, nutrients and anchorage from soil. Most our knowledge of molecular mechanisms of root development is from the dicot model plant Arabidopsis, but very few studies have done in monocot crop systems like rice, maize, and wheat. We are studying very short root (VSR) phenotype in wheat, and lack of a sequenced reference genome in wheat prompted us to sequence and assemble the root transcriptome of the reference cultivar Chinese Spring (CS). A root transcriptome was assembled from the sequenced reads generated from root tip and the mature root tissues of CS. Approximately 169 million reads were …