Development of a shiny application for comparative transcriptomics and differential gene expression analysis

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buir.advisorKarakayalı, Özlen Konu
dc.contributor.authorLeka, Ronaldo
dc.date.accessioned2022-09-23T08:13:29Z
dc.date.available2022-09-23T08:13:29Z
dc.date.copyright2022-09
dc.date.issued2022-09
dc.date.submitted2022-09-21
dc.descriptionCataloged from PDF version of article.en_US
dc.descriptionThesis (Master's): Bilkent University, Department of Molecular Biology and Genetics, İhsan Doğramacı Bilkent University, 2022.en_US
dc.descriptionIncludes bibliographical references (leaves 123-137).en_US
dc.description.abstractRNA sequencing has proven to be an effective technique for divulging information about the transcriptome in molecular biology research. Compared to microarrays and early methods of cDNA sequencing, high-throughput RNA sequencing has better resolution, low background noise, a higher range to quantify gene expression, and relatively lower cost. The development of sequencing technique has led to the development of tools for analyzing the high volume of data that is generated. Statistical methods for normalizing, filtering, performing exploratory and differential analysis, and other functional analyses based on RNA sequencing count data have made RNA sequencing one of the most popular techniques in genomics. To help facilitate the use of such statistical tools, web applications developed in R using the shiny package offer an advantageous environment where researchers can use a graphical interface to give inputs and instructions to the underlying server-side libraries that analyze and generate results in tables and plots. This thesis presents a new tool that has been developed for exploratory analysis, data normalization and filtering, differential gene expression analysis (DGEA), correlation analysis, principal component analysis, and functional analysis such as over-representation analysis and gene set enrichment analysis. When compared to other available applications, this new application offers the ability to run multiple methods for DGEA and compare results between them, leading to the output of gene sets that are discovered as DEGs in multiple tests. Here I present the features of this application in detail where I aim to improve upon the applications that are available in the literature. An example dataset from our lab was also investigated by this RNA-seq tool leading to a better understanding of Mineralocorticoid Receptor (MR) signaling in breast cancer.en_US
dc.description.provenanceSubmitted by Betül Özen (ozen@bilkent.edu.tr) on 2022-09-23T08:13:29Z No. of bitstreams: 1 B161358.pdf: 7539011 bytes, checksum: 9128173b56f93c7e692b252260602f4b (MD5)en
dc.description.provenanceMade available in DSpace on 2022-09-23T08:13:29Z (GMT). No. of bitstreams: 1 B161358.pdf: 7539011 bytes, checksum: 9128173b56f93c7e692b252260602f4b (MD5) Previous issue date: 2022-09en
dc.description.statementofresponsibilityby Ronaldo Lekaen_US
dc.embargo.release2023-03-21
dc.format.extent151 leaves : illustrations (color), charts, graphics ; 30 cm.en_US
dc.identifier.itemidB161358
dc.identifier.urihttp://hdl.handle.net/11693/110586
dc.language.isoEnglishen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRNA sequencingen_US
dc.subjectData analysisen_US
dc.subjectData visualizationen_US
dc.subjectWeb applicationen_US
dc.subjectDifferential gene expression analysisen_US
dc.subjectFunctional analysisen_US
dc.subjectBreast canceren_US
dc.subjectAldosteroneen_US
dc.subjectSpironolactoneen_US
dc.titleDevelopment of a shiny application for comparative transcriptomics and differential gene expression analysisen_US
dc.title.alternativeKarşılaştırmalı transkriptomik ve diferansiyel gen ekspresyonu için bir shiny uygulamasının geliştirilmesien_US
dc.typeThesisen_US
thesis.degree.disciplineMolecular Biology and Genetics
thesis.degree.grantorBilkent University
thesis.degree.levelMaster's
thesis.degree.nameMS (Master of Science)

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