VIRAL REPLICATION Dr AYMAN JOHARGY 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 2 3 rd Year Medicine Clinical Microbiology 2 nd Semester.

Slides:



Advertisements
Similar presentations
Antiretroviral Drug Resistance
Advertisements

Antiretroviral Drug Resistance Anna Maria Geretti UCL Medical School & Royal Free Hampstead Medical School, London.
Introduction to Virology
Viruses Dead or alive?.
Viruses.
1 st step: Attachment = Same 2 nd Step: Entry = Same.
21_03 Lytic and lysogenic cycles Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. capsid nucleic.
Viruses of Bacteria Chapter 13. General Characteristics of Viruses Non-living entities Not considered organisms Can infect organisms of every domain All.
V IRAL R EPLICATION. V IRUS Like live organisms: need to replicate and create progeny. Unlike organisms: A virus cannot survive on its own. It is only.
Virus: A biological particle composed of nucleic acid and protein Intracellular Parasites: organism that must “live” inside a host What is a Virus?
Viruses, part 2.
Dr Ayman Johargy Togaviridae and Flaviviridae 3 rd Year Medicine Clinical Microbiology 2 nd Semester.
Dr Ayman Johargy Coronaviridae 3 rd Year Medicine Clinical Microbiology 2 nd Semester.
Dr Ayman Johargy. عن أبي هريرة قال: قال رسول الله –صلى الله عليه و سلم- : " طهور إناء أحدكم إذا ولغ فيه الكلب أن يغسله سبع مرّات أولاهنّ بالتراب " عن.
Dr Ayman Johargy ADENOVIRIDAE 3 rd Year Medicine Clinical Microbiology 2 nd Semester.
Dr Ayman Johargy Reoviridae 3 rd Year Medicine Clinical Microbiology 2 nd Semester.
INTERACTION BETWEEN VIRUSES AND HOST CELLS Dr AYMAN JOHARGY 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 4 3 rd Year Medicine Clinical.
Viruses.
Assembly and exit of virions from cells LECTURE 14: Viro100: Virology 3 Credit hours NUST Centre of Virology & Immunology Waqas Nasir Chaudhry.
Life Cycles of Viruses.
REPLICATION OF THE VIRUS
How is HIV contracted? High risk activities: –1) Sex (oral, vaginal, anal) –2) Sharing needles (tattoos, piercings, drugs) Low risk activities: –3)
Viruses Non-living - does not grow, eat, release waste, or breathe. Is able to reproduce, but only when inside a host (the cell that a virus enters) 100.
Branches of Microbiology Bacteriology Virology Mycology Parasitology Immunology Recombinant DNA technology.
Plate 36 Retroviruses.
VIRUS REPLICATION PETER H. RUSSELL, BVSc, PhD, FRCPath, MRCVS Department of Pathology and Infectious Diseases, The Royal Veterinary College, Royal College.
MICROBIOLOGY Micro:small Bio:life Logy:study Microbiology is the study of living things too small to be seen. Usually, this includes single celled organisms.
What are three different types of viral capsids?.
Viruses.
 Translation Creating Protein from mRNA Protein Structure  Proteins are made of Amino Acids.  There are 20 different Amino Acids.  The sequence of.
Unit 11 – Viruses, Bacteria, and Protist
Microbiology Ch 17.1: Viruses 17.2: Monera. Virus: A non- cellular particle made up of genetic material and protein that can invade cells.
The Virus.
Viruses Virus: A noncellular particle composed of genetic material that can invade living cells. –Viruses are considered by most to be non- living since.
Bio 11 – Diversity of Living Things Notes 2 - viruses.
Viral Reproduction. Viruses If viruses are non-living, how do they replicate?? They need a host cell! Before a virus can replicate, it must attach to.
Virus: A biological particle composed of nucleic acid and protein Intracellular Parasites: organism that must “live” inside a host What is a Virus?
Viruses  What are they? and  What are they good for? (ebiomedia.com) (conference.eicar.org)
General Properties and Classification of viruses Dr AYMAN JOHARGY 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 1 3 rd Year Medicine Clinical.
Semester 1, Day 6 Viruses. Agenda  Study  Turn in Homework  Quiz on Enzymes, DNA, RNA, Proteins, & Transcription/Translation  Lecture  Reading/Work.
Viruses. Learning Objectives  Explain how viruses reproduce.  Explain what happens after a virus infects a cell.
The HIV virus. Objectives At the end of this session the participants will be able to: 1. Understand basic HIV structure 2. Describe the significance.
 Virus: A biological particle composed of nucleic acid and protein  Intracellular Parasites: organism that must “live” inside a host.
MICROBIOLOGIA GENERALE
Two Cycles and A Bit of Review Remember that viruses are not able to reproduce on their own. They rely on a ‘host cell’ for reproduction In the Lytic Cycle.
{ Viral Replication  Virus: A biological particle composed of nucleic acid and protein  Intracellular Parasites: organism that must “live” inside a.
Reproduce They have DNA or RNA They can adapt to surroundings The have organization They are not made of cells or organelles They cannot reproduce without.
Virus Replication John Goulding, Imperial College London, UK
Viruses.
Chapter Viruses.
Warm-Up (12/01) On the piece of white paper from the back, answer the following question. Name Date Period How did the Hershey-Chase experiment prove.
Viruses MARCUS MEHTA.
Plate 32 Viral Replication.
Example of viral growth cycles
Example of viral growth cycles
Viruses Virus: A biological particle composed of nucleic acid and protein pathogen: anything that causes sickness or disease.
VIRUSES Viruses – are segments of nucleic acids contained in a protein coat; they are not cells; they are smaller than prokaryotes and range in size.
Viruses.
Viruses.
Viruses.
Viruses Dead or alive?.
Virus Basics.
Viruses Viruses – are segments of nucleic acids
Chapter 15 Viruses, Viral Life Cycles, Retroviruses.
Viruses.
1 nanometer (nm) = one billionth of a meter
Viruses Dead or alive?.
Pick up a book (pg 338) and present trp operon with your team
VIRUSES Viruses – are segments of nucleic acids contained in a protein coat; they are not cells; they are smaller than prokaryotes and range in size.
The hantavirus life cycle.
Presentation transcript:

VIRAL REPLICATION Dr AYMAN JOHARGY 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 2 3 rd Year Medicine Clinical Microbiology 2 nd Semester Lecture 2

LEARNING OUTCOMES

Learning outcomes * List different steps of viral replication * Know the difference between DNA and RNA viral replication * Define and identify some common enzymes critical for viral replication At the end of this lecture you should be able to:

OUTLINES * Viral replication steps * RNA viruses replication * DNA viruses replication * Enzymes in replication * Properties of DNA viruses replication * Properties of RNA viruses replication

VIRAL LIFE CYCLE ATTACHMENT PENETRATION UNCOATING HOST FUNCTIONS ASSEMBLY Transcription Translation (MATURATION) REPLICATION RELEASE

Virus attachment to the cell

SUMMARY

* Viral replication steps * RNA viruses replication * DNA viruses replication * Enzymes in replication * Properties of DNA viruses replication * Properties of RNA viruses replication