Lecture 3 - Transcriptomics (PDF)
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Uploaded by BelovedSulfur
2024
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Summary
This lecture covers various methods for studying gene expression, including real-time PCR, microarrays, and next-generation sequencing. It introduces the principles and applications of each technique, emphasizing how to quantify gene expression levels.
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Lecture 3 SEPTEMBER 10, 2024 Transcriptomics Real-Time PCR (qPCR) Microarray Next generation sequencing PCR Amplification of DNA Can be used for detection, cloning and sequencing of specified regions Uses one or more primers https://www.genome.gov/genetics-glo...
Lecture 3 SEPTEMBER 10, 2024 Transcriptomics Real-Time PCR (qPCR) Microarray Next generation sequencing PCR Amplification of DNA Can be used for detection, cloning and sequencing of specified regions Uses one or more primers https://www.genome.gov/genetics-glossary/Polymerase-Chain-Reaction Quantitative PCR 1. Reverse Transcription 2. Amplify 3. Capture fluorescence 4. Repeat Steps 2 and 3 for 29 more rounds 5. Determine Double Delta-CT 1. Gene of Interest Experimental (TE) 2. Gene of Interest Control (TC) 3. House Keeping Gene Experimental (HE) 4. House Keeping Gene Control (HC) qPCR Delta-CT TE-HE (ΔCTE) TC-HC (ΔCTC) Double Delta-CT ΔCTE – ΔCTEC= ΔΔCT Calculate Fold Change 2-ΔΔCT Microarrays https://www.google.com/url?sa=i&url=https%3A%2F%2Fold-ib.bioninja.com.au%2Foptions%2Funtitled%2Fb4-medicine%2Fdna-microarrays.html&psig= AOvVaw0nspQ4_Gkosoy0Vh5CxYaE&ust=1726064964795000&source=images&cd=vfe&opi=89978449&ved=0CBQQjRxqFwoTCOjfopvLuIgDFQAAAAAdAAAAABAE Next Generation Sequencing Total RNA Poly-A Capture Specific Probes Why do transcriptomic experiments? General gene discovery Compare experimental treatments Drug treatments Knockout/Knockin studies Toxicology Developmental Stages In Class Work Split up into groups Each group design an experiment to test changes in gene expression State assumptions going into the experiment List expected results List potential pitfalls