'Mammalian cells' diaporamas de présentation

2011 MECHANISMS OF CYTOPLASMIC mRNA TURNOVER IN EUKARYOTES

2011 MECHANISMS OF CYTOPLASMIC mRNA TURNOVER IN EUKARYOTES. Kim Keeling, Ph.D. kkeeling@uab.edu Room 456, Bevill Bldg 975-6585. Lecture Overview. 1. General mRNA turnover pathways - Play key role in controlling basal gene expression levels 2. Aberrant RNA turnover pathways

1.17k views • 50 slides

Chapter 15

Chapter 15. Enzyme Regulation Biochemistry by Reginald Garrett and Charles Grisham. Essential Question. What are the properties of regulatory enzymes ? How do regulatory enzymes sense the momentary needs of cells? What molecular mechanisms are used to regulate enzyme activity?.

1.18k views • 50 slides

Mammalian Cell Cytotoxicity and Genotoxicity of New Drinking Water Disinfection By-Products

Mammalian Cell Cytotoxicity and Genotoxicity of New Drinking Water Disinfection By-Products. U.S. EPA Region 5 ORD STAR Seminar Dr. Michael J. Plewa Professor of Genetics University of Illinois at Urbana-Champaign. Water is the best of all things. Pindar (438 BC), Olympian Odes.

820 views • 46 slides

PREPARD BY: Samer EL Asmer PRESENTED TO: Dr.Abdelraouf El Manamma 11-11-2008

Islamic University of Gaza. PREPARD BY: Samer EL Asmer PRESENTED TO: Dr.Abdelraouf El Manamma 11-11-2008. CH29:Viral Replication. Introduction. Viral replication differs from other organisms due to: its unique structure & genomic type(DNA or RNA).

649 views • 44 slides

Chapter 1 Gene targeting, principles,and practice in mammalian cells

Chapter 1 Gene targeting, principles,and practice in mammalian cells. 1. Introduction. An introduced gene fragment recombines with the homologous sequence in the genome(homologous recombination) -gene targeting

828 views • 42 slides

Microbial Genetics

Microbial Genetics. Basic Concepts Mutations Gene Transfer in Bacteria. Basic Concepts. Nucleic Acids Composed of chains of nucleotides Nucleic acid molecules are usually composed of 4 different nucleotides A nucleic acid molecule may contain several thousands or millions of nucleotides

938 views • 40 slides

Using Zinc Finger Nucleases to Manipulate the Mammalian Genome

Using Zinc Finger Nucleases to Manipulate the Mammalian Genome. Matthew Porteus UT Southwestern Medical Center Depts. of Pediatrics and Biochemistry Dallas, TX. Gene Targeting is a Precise Recombination Event.

728 views • 40 slides

Synaptic Transmission and Cellular Signaling: an Overview

939 views • 30 slides

VITAMINS

VITAMINS. Vijayalakshmi. INTRODUCTION. organic molecules with wide variety of capacities prominent function - cofactors for enzymatic reactions generally cannot be synthesized by mammalian cells Vitamins are usually supplied in the diet or in dietary supplements

506 views • 30 slides

Gene Regulation and Genomics

Gene Regulation and Genomics. Differentiation. As development progresses, cells becomes more specialized and restricted in the expression of their genetic content. This leads to many types of cells in a complex organism. However, differentiated cell may retain all their genetic potential.

496 views • 29 slides

Regulation of Metabolic Pathways

2.1k views • 29 slides

Chapter 12

Chapter 12. Apoptosis By Douglas R. Green. 12.1 Introduction. Programmed cell death is a developmental process that usually proceeds by apoptosis . Apoptosis is also the mode of cell death occurring in a variety of other settings. It has roles in: normal homeostasis inhibition of cancer

725 views • 27 slides

The Pat Brown DNA Microarray Chip

The Pat Brown DNA Microarray Chip. cDNA Microarray Technology . - first developed by Pat Brown and colleagues at Stanford University -developed for high-throughput measurement of expression patterns of thousands of genes -simplest realization of this technology is the. spotted DNA microarray.

686 views • 26 slides

Mechanisms of viral transmission

Mechanisms of viral transmission. Classical route Infection in trans Cell to cell transmission. Viral Transmission. Classical route: Cell free virions bind to permissive host cell with receptor-ligand interactions, followed by fusion to enter the cytoplasm and then replicative events.

450 views • 26 slides

Sex-Related Topics

Sex-Related Topics. A grab bag of subjects, vaguely related to the typical eukaryotic condition of having 2 sexes. Sex Determination. Many groups use sex chromosomes to determine sex. Mammals have the X and Y chromosomes XX = female, XY = male

799 views • 24 slides

INVADERS

INVADERS. Chapter 24: Viruses. Objectives: Summarize the discovery of viruses Describe why viruses are not considered living organisms Describe the basic structure of viruses Compare the lytic and lysogenic cycles of virus replication Summarize the origin of viruses. Virus.

405 views • 22 slides

Table of Contents

Table of Contents. Discovering Cells Looking Inside Cells Chemical Compounds in Cells The Cell in Its Environment. - Discovering Cells. Development of the Cell Theory. The cell theory states the following: All living things are composed of cells.

318 views • 21 slides

DNA Oxidation: Basics of Repair

Virtual Free Radical School. DNA Oxidation: Basics of Repair. Karl E. Herbert, Ph.D. & Pratibha Mistry, Ph.D. Faculty of Medicine & Biological Sciences, University of Leicester, Leicester, UK. feedback: keh3@le.ac.uk. Overview. DNA damage base excision repair ( BER )

463 views • 17 slides

Cell Culture Theory and Practice

Cell Culture Theory and Practice. Department of Cell Physiology and Pharmacology Tim Walton Departmental Safety Officer. Introduction. Study of cells, tissues or organs in vitro More than 24 hours Behaviour of animal cell without variations in the animal. Advantages.

430 views • 17 slides

Purification of RNA and DNA Introducing DNA into cells

Purification of RNA and DNA Introducing DNA into cells. May 2. Purification of DNA. Plasmid DNA (1-6,9,15) alkaline lysis commercial kits DNA from mammalian cells (1-18) cultured cells, tissues, blood DNA from yeast cells (12-8). Concentrating DNA. Ethanol precipitation.

235 views • 6 slides