Gene expression - PowerPoint PPT Presentation


Overview of Gene Transfer Methods in Molecular Biology

Explore various physical and chemical methods used for gene transfer, including electroporation, particle bombardment, microinjection, ultrasound, and bacterial transformation. Learn how DNA enters the nucleus and the role of retroviruses in gene transfer efficiency. Understand the process of RNA co

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Gene Therapy and Genome Editing Technology

This article provides insights into the status, regulatory considerations, and delivery methods of gene therapy and genome editing technologies. It discusses approved gene therapies in the US, human genome editing in clinical applications, and the regulatory authority of the FDA over gene therapy. T

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Understanding Gene Expression Regulation in Prokaryotes and Eukaryotes

Gene expression is a crucial process that leads to the production of functional gene products like RNA and proteins. This article explores the regulation of gene expression in both prokaryotes and eukaryotes, covering the importance of regulating gene expression, types of regulation elements, specif

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Bioinformatics

Bioinformatics involves analyzing biological sequences through sequence alignment to uncover functional, structural, and evolutionary insights. This process helps in tasks like annotation of sequences, modeling protein structures, and analyzing gene expression experiments. Basic steps include compar

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Bioinformatics for Genomics Lecture Series 2022 Overview

Delve into the Genetics and Genome Evolution (GGE) Bioinformatics for Genomics Lecture Series 2022 presented by Sven Bergmann. Explore topics like RNA-seq, differential expression analysis, clustering, gene expression data analysis, epigenetic data analysis, integrative analysis, CHIP-seq, HiC data,

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Understanding Artefacts and Biases in Gene Set Analysis

Gene set enrichment tests help identify functional gene sets enriched in hit lists compared to background sets. Various biases (technical, biological, statistical) can lead to incorrect conclusions in data analysis, emphasizing the importance of recognizing and addressing them. Technical biases like

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Exploring Genetics and Genomics in Integrative Biology

Delve into the world of genetics and genomics through the lens of integrative biology, investigating the differences between cell types, the rationale for gene expression profiling, and the analysis of differential gene expression in various diseases. Uncover the significance of gene ontology, co-ex

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Understanding Transcription Factors and Regulatory Sequences in Gene Expression

Transcription factors play a crucial role in gene expression by controlling the recruitment of RNA polymerase. Promoter regions contain sequences like CAAT box and TATA box that regulate transcription by binding proteins. Consensus sequences are conserved patterns in the genome with various biologic

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Understanding Epigenetics: DNA Methylation and Histone Modification

Epigenetics involves modifications that impact gene expression without altering DNA sequences, playing a crucial role in the transition from genotype to phenotype. This includes DNA methylation, histone modification, and microRNAs. DNA methylation, controlled by DNMT enzymes, can lead to either gene

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Lampbrush and Polytene Chromosomes: Structures and Functions

Lampbrush chromosomes, found in growing oocytes of vertebrates, display large loops of DNA during the diplotene stage, with high gene expression levels. Polytene chromosomes, giant interphase chromosomes in insects, contain multiple strands with distinct banding patterns. Chromocenter serves as the

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Human Insulin Gene Expression and Production

The process of cloning and expressing the human insulin gene has revolutionized the production of insulin for treating diabetes. By using genetically engineered bacteria, the human insulin gene is inserted, expressed, and purified to create insulin for therapeutic use. This innovation has overcome c

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Understanding Real-Time PCR and its Applications

Real-Time PCR, also known as quantitative PCR, is a specialized technique used in molecular biology for gene expression analysis, medical research, disease diagnosis, viral quantification, and more. It enables the real-time visualization and measurement of DNA sequences in a sample, playing a crucia

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Understanding Transcription and Translation of Virus Genome

The lecture covers the transcription and translation processes of virus genomes, including the Baltimore classification system, transcription control in eukaryotes, and the role of transcription factors in gene expression. It explores how different viruses replicate based on their genome type and me

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Understanding Gene Mutations in Molecular Biology

Gene mutations play a significant role in molecular biology, leading to alterations in DNA sequences that can impact offspring. These mutations can arise spontaneously or be induced by various factors, such as mutagens. Understanding gene mutations is crucial for comprehending the genetic basis of c

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Understanding the Cre-Lox System for Genome Manipulation in Mice

The Cre-Lox system, a powerful tool in genetic engineering, employs Cre recombinase to recombine specific DNA sequences (LoxP sites), allowing for precise genetic modifications such as deletions, inversions, and translocations. This system enables conditional gene expression, turning on or off trans

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Co-Developing Risk Assessments in Gene Drive

Gene drive technology is a cutting-edge approach aimed at combating malaria by spreading genetically modified genes in mosquito populations. This technology has the potential to protect endangered species and conserve nature. However, successful implementation requires complex collaborations, risk a

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Understanding Epigenetics: DNA Methylation and Histone Modification

Epigenetics refers to changes in gene expression without altering the DNA sequence. This involves processes like DNA methylation, histone modification, and microRNAs. DNA methylation is controlled by DNA methyltransferase enzymes and plays crucial roles in gene activation and silencing. Histone modi

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Understanding Genetic Inheritance: Traits, Expression, and Punnett Squares

Explore genetic inheritance through traits, gene expression differences between males and females, and Punnett square analysis. Discover the randomness of genetics, sex-linked, sex-limited, and sex-influenced inheritance, along with practical examples in animal breeding. Delve into genotypic and phe

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Understanding Gene Regulation and Control of Gene Expression

This comprehensive content delves into the intricate mechanisms of gene regulation and control of gene expression. It covers topics such as transcriptional regulation, bacterial genes classification, and the role of regulatory proteins. Explore how genes are regulated at transcription, translation,

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Understanding Gene Expression in Biological Sciences Course

Explore the dynamic world of gene expression with the Chunky and Chips Gene Expression Group at the University of Notre Dame. Dive into topics like transcription, translation, and cellular events influencing gene expression. Delve into real-world scenarios and gain insights into the cellular level b

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Expression Tree Construction: Building Fully Parenthesized Expression Trees

In the process of building expression trees, nodes are inserted based on operators and operands, creating a fully parenthesized expression. The construction involves parsing the expression, inserting new nodes as tokens are examined, and linking nodes accordingly. By following the steps for handling

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Understanding Epistasis: Genetic Interactions and Their Implications

Epistasis is a phenomenon where the phenotypic expression of one gene is influenced by interactions with another gene. This concept, first introduced in 1909, plays a crucial role in genetics, affecting various traits and evolutionary processes. The difference between dominance and epistasis lies in

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Understanding Transcription: The Initial Steps in Gene Expression

Gene expression involves two crucial phases - transcription and translation. Transcription, the first step, is the process where RNA is synthesized from DNA with the help of RNA polymerase. It begins with initiation, where the enzyme recognizes the promoter region and forms a complex with the DNA, m

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Understanding Transposon Insertion Orientation and Its Impact on Gene Expression

This detailed guide explores the orientation of transposon insertions relative to their inherent asymmetry, like the P-element’s 5’ and 3’ ends, and how it influences constructs for driving ectopic gene expression. Using FlyBase resources, it explains the significance of orientation in constru

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Gene Wiki Jamboree FaceBase Spring Meeting Summary

The Gene Wiki Jamboree FaceBase Spring Meeting in 2010 aimed to create collaboratively-written and community-reviewed review articles for every gene in the human genome and every concept relevant to FaceBase. It highlighted the value of such articles, providing quick summaries and compilations of re

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Raw Data of Agarose Gel for Human Gene Expression Analysis

This supplementary data includes raw data from agarose gel electrophoresis showing gene expression levels for human SOX17, FOXA2, AFP, ALB, and ACTB in various cellular samples. The gel images depict the expected sizes of amplicons for each gene in different conditions and time points of cell cultur

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Understanding Splice Sites and Splicing Elements in the Inhibitory Dopamine Receptor Gene (D2)

In this project, the focus is on identifying splice sites relevant to the inhibitory dopamine receptor gene (D2). The problem involves finding splicing elements within a specific range of known splice sites in the gene. The data provided includes the D2 gene entry in FASTA format, a database of spli

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Program to Convert Infix Expression to Postfix Expression

This program converts an infix expression to a postfix expression. It assumes there are five operators (*, /, +, -, ^) in the infix expression and operands are single digits only. The program does not handle invalid expressions or fractions. The provided code snippet contains functions for stack ope

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Understanding Reverse Genetic Approaches in Gene Manipulation

Reverse genetic approaches involve mutating a target gene to observe its phenotypic effects, providing insights into the gene's normal function. Techniques like gene knockout, knockdown, and homologous recombination are used to manipulate genes and study genetic pathways, leading to discoveries in v

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Basics of Hypothesis Testing in Gene Expression Profiling

The lecture covers the essential aspects of hypothesis testing in gene expression profiling, emphasizing experimental design, confounding factors, normalization of samples, linear modeling, gene-level contrasts, t-tests, ANOVA, and significance assessment techniques. Practical insights are shared on

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Understanding DNA Structure and Genetic Information Encoding

Complementary nitrogenous bases in DNA, pyrimidines (thymine, cytosine) and purines (adenine, guanine), store biological information through antiparallel strands. DNA, with non-coding regions, undergoes replication and transcription to RNA for protein synthesis. Nucleic acids, DNA, and RNA are cruci

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Role of Smad7 Protein in Regulation of Collagen 1 Gene in Kidney Cells

Smad7 knockout leads to increased Collagen 1 gene levels in kidney cells, potentially contributing to renal fibrosis. Lack of Smad7 protein may result in overproduction of Collagen 1. This protein is found in the extracellular matrix and plays a crucial role in kidney fibrosis pathways, such as TGF-

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Basics of Genetics Engineering: Introduction to DNA and Gene Expression

Exploring the fundamentals of genetics engineering, this lecture covers topics such as DNA structure, gene expression, gene function, genome, mutation, recombination, and genetic modification. Understand the significance of DNA, genes, and the processes involved in gene expression. Dive into the wor

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Understanding Expression Vectors in Molecular Biology

Expression vectors are essential tools for gene expression studies, allowing for transcription and translation of specific DNA sections in host cells. These vectors contain key elements like promoters, terminators, and ribosome binding sequences for efficient protein production. Different promoters

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Understanding Expression Vectors for Efficient Gene Expression

Expression vectors are designed to facilitate gene expression by carrying essential elements such as promoters, terminators, and fusion tags. They allow precise control over gene regulation for transcription and translation in host cells, enabling efficient protein production. Different promoters li

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Cloning the Cstps-1 Gene from Citrus sinensis for Valencene Production

In this project, the Cstps-1 gene from Citrus sinensis is being cloned to produce the enzyme Citrus Valencene Synthase (CVS) responsible for generating the fragrant valencene compound. The process involves DNA isolation from a Valencia orange, gene amplification, vector transformation, and testing f

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Understanding the Role of Multiple Enhancers in Gene Regulation

Multiple enhancers play a crucial role in regulating gene expression in a cell, with approximately 3-5 enhancers associated per human gene. These enhancers are essential for tissue-specific expressions and are active within the same cell line. The use of multiple enhancers can impact gene expression

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Understanding Gene Structure and Splicing in Eukaryotic Cells

Explore the intricate world of gene structure and splicing in eukaryotic cells, covering topics such as exon-intron organization, central dogma, protein synthesis, genetic codes in translation, and protein 3D structure. Gain insights into the fundamental processes that regulate gene expression and p

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Understanding Chromosomal and Gene Mutations in Genetics

Chromosomal and gene mutations play a crucial role in genetic variations. Mutations such as insertion, deletion, and substitution can lead to significant changes in DNA sequences, affecting gene expression and cellular functions. Additionally, chromosomal mutations like deletion, amplification, inve

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Insights into Potato Gene Expression and Co-Expression Networks

Explore the construction of the potato expression atlas and co-expression network through a detailed workflow. Visualize data on gene expression, up-regulated genes, power law distribution, and co-expression clusters. Interactive exploration available on the StCoExpNet web server.

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