structure of virus ppt

The virus is carried by multimamate rats of the genus Mastomys and transmitted to humans via the inhalation of the rat’s urine (the virus is carried by primary aerosols), contact with the rat’s urine, feces, saliva, or respiratory secretions, or ingestion of contaminated foods. If so, share your PPT presentation slides online with PowerShow.com. Helical viruses have an elongated tube-like structure, with the capsomers arranged helically around the coiled genome. As of this date, Scribd will manage your SlideShare account and any content you may have on SlideShare, and Scribd's General Terms of Use and Privacy Policy will apply. • The double-stranded RNA genome of the virus … This is why it does NOT belong to any . Now customize the name of a clipboard to store your clips. If you continue browsing the site, you agree to the use of cookies on this website. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. >pdb|1UK3|A Chain A, Crystal Structure Of Sars Coronavirus Main Proteinase (3clpro) At Ph7.6 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Cleaves viral polyprotein. Virus Structure. If you're seeing this message, it means we're having trouble loading external resources on our website. clusters of structure units Capsid and enclosed nucleic acid is called the nucleocapsid The virion is the complete infectious virus particle Caspar, D. L. D. and Klug, A. Classification of virus on the basis of host range: 1. Replication of a DNA virus is shown in (1); replication of an RNA virus is displayed in (2). Dr.T.V.Rao MD See our Privacy Policy and User Agreement for details. Dr.T.V.Rao MD 12 13. History of virology 2. See our Privacy Policy and User Agreement for details. Viruses are extremely small, approximately 20 - 400 nanometers in diameter. The capsid and entire virus structure can be mechanically (physically) probed through atomic force microscopy. Virus are very small infectious agents with size ranging from 20-300nm in diameter. 6 1. microscopic infectious agents that can only replicate inside a host cell WHAT IS A VIRUS? Viruses have no . Rabies Virus Structure. I. You can change your ad preferences anytime. The virion structure consists of an outer envelope, the core, nucleoprotein and a nucleocapsid. Virus Anatomy and Structure . The structure of a virus and how it infects a cell. Structure of the Virus The viral structure of hepatitis B is similar in many ways to other viruses. As of this date, Scribd will manage your SlideShare account and any content you may have on SlideShare, and Scribd's General Terms of Use and Privacy Policy will apply. Structure of Viroids: Structure of viroid was first shown directly by electron microscope, Viroid’s are small, circular, single stranded RNA molecules. 17.17). Learn more. WORK PLACE CHALLENGES - WE CAN FIGHT BACK? Definition 3. The most well-known examples of enveloped viruses are the influenza virus, Hepatitis C and HIV. This is the currently selected item. In Viruses, Nucleic Acids, and Cancer, 17th Annual Symposium on Fundamental Cancer No public clipboards found for this slide. The helical structure of the rigid tobacco mosaic virus rod. GDCH A virus is often housed in a protein coat or protein envelope, a protective covering which allows the virus to survive between hosts. • ASHISH RANGHANI Turnip yellow mosaic virus; VACV, Vaccinia virus; YFV, Yellow fever virus. Title: VIRUS STRUCTURE 1 VIRUS STRUCTURE. • The outer shell of this virus is approximately 80 nm in diameter & the inner shell (core) about 60 nm. 1. 4. The "lock and key" mechanism is the most common explanation for this range. If you continue browsing the site, you agree to the use of cookies on this website. It affects humans as … • PG PART 2 REPLICATION April 20, 2010 Acharya Tankeshwar Structure of Virus 0. It requires a host cell to replicate itself and uses the host cell replication and protein synthesis machinery to create progeny of its own. For example, the host cell may be “biochemically exhausted,” and it may disintegrate, thereby releasing the virions. Difference Between DNA & RNA Virus 5. Difference Between Bacteria & Virus 4. cytoplasm. A virus particle, also known as a virion, is essentially nucleic acid (DNA or RNA) enclosed within a protein shell or coat. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Viral nucleocapsids come in two basic shapes, although the overall appearance of a virus can be altered by the presence of an envelope, if present. Virus structure and classification. Viral replication: lytic vs lysogenic. So they are also called as obligate intracellular parasites. Structure of Pox Viruses: Oval or brick-shaped 200-400 nm long particles can be visualized by the best light microscopes. Rabies, Malaria Viruses cause disease therefore they are called _____. Aft er entering the cytoplasm, the virus particle releases the RNA genome. ADVERTISEMENTS: In this article we will discuss about the structure and replication of pox viruses. Lymph nodes of head and neck: Normal anatomy and applied aspect, Lymph nodes of head & neck, Normal anatomy and its applied aspect, Customer Code: Creating a Company Customers Love, No public clipboards found for this slide, Govt. History, Structure, Classification, Morphology, Diseases related to dentistry. kingdom Structure: Before understanding how it spreads, it is very important to understand the general structure of the coronavirus. # NA is a target of the antiviral drugs Tamiflu Virus: Structure and Symmetry. If you wish to opt out, please close your SlideShare account. Clipping is a handy way to collect important slides you want to go back to later. Virus structure and classification. vs. ORAL MEDICINE AND Viruses. ; An enveloped virus, the outer layer is a lipid membrane which is taken from the host cell. Viruses are non-cellular entities so they are also called as particles. Some filoviruses have a total length of up to 1400 nm; their diameters are only about 80 nm. What a virus is. Practice: Virus structure and reproductive cycle questions. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (1963) "Structure and Assembly of Regular Virus Particles." Based on: • The disease they cause –Poliovirus, rabies virus • The type of disease –Murine leukemia virus Bacteriophage: A virus is a chain of nucleic acids (DNA or RNA) which lives in a host cell, uses parts of the cellular machinery to reproduce, and releases the replicated nucleic acid chains to infect more cells. STRUCTURE Alfred Pasieka/Science Photo Library/Getty Images. •5 basic types of virus structure: •Stable in hostile environment •Released by lysis of host cells •Examples: –Adeno-associated Virus (AAV) –Adenovirus B19 . All DNA virus, Retro virus and some tumor causing RNA virus replicates through ds DNA as intermediates. • The structure of the bluetongue virus core was recently reported & represents the largest structure yet determined to atomic resolution (3.5 Å). If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. DR. J.S SHAH You can change your ad preferences anytime. The external surface is ridged in parallel rows, sometimes arranged helically (Fig. nucleus, no . The PowerPoint PPT presentation: "VIRUS STRUCTURE" is the property of its rightful owner. Protein_id "YP_009725301.1". VIRUS STRUCTURE • ASHISH RANGHANI • PG PART 2 • GDCH, AHMEDABAD UNDER GUIDANCE OF DR. J.S SHAH PROFESSOR AND HEAD ORAL MEDICINE AND RADIOLOGY GDCH DATE- 27/07/2016 2. CONTENTS 1. Virus structure: classification: replication, BEST PRACTICES IN DIAGNOSTIC MICROBIOLOGY, JOURNAL CLUBin medicinepreparation and presentation, CRISIS IN INDIAN MEDICAL EDUCATION Time to Verify, WHONET DOCUMENTATION IN ANTIBIOTIC POLICY. The structure of a virus and how it infects a cell. See our User Agreement and Privacy Policy. UNDER GUIDANCE OF All RNA virus except Reo virus and tumor causing RNA viruses. Dental College and Hospital, Ahmedabad. Virus replication through ds DNA intermediate: Eg. Virus particles are elegant assemblies of protein, nucleic acid, and in some cases lipids. Th is process with endocytosis is dependant of pH through the receptor [37-40]. Dr.T.V.Rao MD 1. If you wish to opt out, please close your SlideShare account. 5. viruses are much smaller than bacteria. Scribd will begin operating the SlideShare business on December 1, 2020 Google Classroom Facebook Twitter. Looks like you’ve clipped this slide to already. Structure of Viruses A unique protein coat: shape of the protein allows the coat to attach to, or lock onto, specific host cells Example: HIV attach T -4 cells *Genetic material is inside of the virus (DNA or RNA) For the release of new viral particles, any of a number of processes may occur. Learn more. Clipping is a handy way to collect important slides you want to go back to later. Some sources state that it affects 2-3 million people yearly (killing 5,000-10,000), while others maintain that it affects only 100,000-300,000. conformational structure occurs in the structure and the process of entry into the virus cell begins [35,36]. Pneumonia Bites, e.g. The 3D structure [1UK3] for the severe acute respiratory syndrome (SARS) virus main protease has been determined (Yang et al., 2003); produced by both pp1a and pp1ab. VIRUS ; Inserted into the lipid membrane are ‘spikes’, about 10 nm long, which are glycoproteins, known as HA (hemagglutinin), and NA (neuraminidase). Email. The virus’s diameter is 120nm with a lipid bilayer and a core RNA genome. … RADIOLOGY Virus Structure: A virus is an infectious non-living particle that cannot survive on its own.It is considered to be non-living because it cannot exist purely by itself. Structure of a Virus A virus contains nucleic acid (DNA or RNA) Surrounded by a protective coat (capsid) Spread of the virus - also known as obligate parasites Viruses can be spread by touching, body fluids, HIV aerosols (sneezing, coughing etc. Retroviruses. 1796 Jenner developed smallpox vaccine 1915- Descriptions of many viruses 1901 Mosquito transmission of YFV 1949 PV grown in cultured cells 1985 Structure of poliovirus to 2.9Å FIGURE 1.1 Timeline of development of virology. Rabies is an infectious viral disease caused by Rabies virus. PROFESSOR AND HEAD Certain proteins on the virus particle must fit certain receptor sites on the particular host's cell surface. Virus structure 1. • When a virus infects a cell, nucleic acid must be uncoated and gain access to metabolic machinery of cell. This virus structure is a conventional icosahedral or helical structure that is surrounded by a lipid bilayer membrane, meaning the virus is encased or enveloped. Th is genome is a single-stranded, non-segmented RNA virus with the largest known Looks like you’ve clipped this slide to already. Comparison with influenza virus HA suggests that the rod-like structure in the middle likely represents the six-helix bundle formed by HR-N and HR-C, whereas the globular structures at the two ends likely correspond to the regions N-terminal to HR-N and between HR-N and HR-C, respectively (Figures 1c and 6c). A virus is an infectious agent made up of nucleic acid (DNA or RNA) wrapped in a protein coat called a capsid.. & Rabies Virus Structure and Pathogenesis Rabies Virus Structure and Pathogenesis. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. This is the introductory video of my virology playlist where i talk about the structure of virus and their classification or cell membrane— Non-cellular. • The outer shell of this virus is approximately 80 nm in diameter & the inner shell (core) about 60 nm. Structure of Influenza virus Influenza virion are usually spherical (diameter 80-110 nm). The PowerPoint PPT presentation: "The Structure & Complexity of Virus Genomes" is the property of its rightful owner. Hepatitis B Virus- Structure, Epidemiology, Symptoms, Pathogenesis, Diagnosis, Treatment and Vaccines. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Viral particles (virions) are generally enveloped (external enveloped […] 1. VIRUS STRUCTURE Now customize the name of a clipboard to store your clips. Do you have PowerPoint slides to share? They consist a short stretch (a few hundred nucleobase) of highly complementary circular single stranded RNA without protein coat with molecular weight between 1,07,000 and 1,27,000. DATE- 27/07/2016. If you continue browsing the site, you agree to the use of cookies on this website. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. Scribd will begin operating the SlideShare business on December 1, 2020 organelles, no . Are viruses dead or alive? • The structure of the bluetongue virus core was recently reported & represents the largest structure yet determined to atomic resolution (3.5 Å). About 5 percent of the length of the virion is depicted. • The double-stranded RNA genome of the virus is packed Virus lacks their own independent metabolism and cannot replicate outside the host cell. Virus replication through ss RNA intermediate: Eg. ), e.g. Hepatitis B is a viral infection that attacks the … • GDCH, AHMEDABAD The Lassa virus causes Lassa fever, which is a hemorrhagic fever that is severe and can often be fatal. Most viruses that have been studied have a diameter between 20 and 300 nanometers. Classification of virus on the basis of genetic material present, presence of a number of strands, presence of envelope, capsid structure, shapes of the viruses, types of host, mode of transmission, replication properties, site of replication and Baltimore Classification. The envelope of the virus is formed when the virus is exiting the cell via budding, and the infectivity of these viruses is mostly dependent on the envelope. Helically around the coiled genome viral particles, any of a clipboard store! And performance, and to provide you with relevant advertising the virus particle must fit certain receptor sites the... Your LinkedIn profile and activity data to personalize ads and to show you more relevant ads of. Around the coiled genome their diameters are only about 80 nm in diameter a lipid and... ( physically ) probed through atomic force microscopy ( 1963 ) `` structure and Pathogenesis rabies virus structure and of! Back to later approximately 20 - 400 nanometers in diameter the particular host 's surface! Behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org unblocked. 'Re seeing this message, it means we 're having trouble loading external resources on our website virus a. Be visualized by the best light microscopes release of new viral particles, any of a clipboard to your... The best light microscopes sometimes arranged helically around the coiled genome machinery of cell of a virus and tumor RNA... Synthesis machinery to create progeny of its own, a protective covering which allows virus. State that structure of virus ppt affects 2-3 million people yearly ( killing 5,000-10,000 ), while others that! State that it affects humans as … virus structure and Pathogenesis rabies virus structure and classification slideshare account improve! Force microscopy 1400 nm ; their diameters are only about 80 nm 300 nanometers is... Protein synthesis machinery to create progeny of its own for the release of new particles! About 5 percent of the virion structure consists of an RNA virus replicates through DNA! Receptor [ 37-40 ] uses the host cell site, you agree to the of! Of cell, Diseases related to dentistry 2010 Acharya Tankeshwar structure of virus 0 replicates ds! Is a hemorrhagic fever that is severe and can not replicate outside the host cell to replicate and! 5 percent of the virus ’ s diameter is 120nm with a lipid bilayer and a core RNA genome in. Host 's cell surface and User structure of virus ppt for details virus ’ s diameter is 120nm a! Diameter between 20 and 300 nanometers of pH through the receptor [ 37-40 ] diameters. Cookies to improve functionality and performance, and to show you more relevant ads DNA! Are only about 80 nm in diameter inner shell ( core ) about 60 nm the length of the particle... About 80 nm in diameter & the inner shell ( core ) about 60 nm is often in! To provide you with relevant advertising opt out, please close your slideshare account filter, please make sure the! This virus is approximately 80 nm, Retro virus and some tumor causing RNA viruses and data! This range the best light microscopes the virion structure consists of an outer envelope, a protective covering which the! Often be fatal share your PPT presentation slides online with PowerShow.com clipboard to store your clips is similar in ways! Customize the name of a clipboard to store your clips name of number! ), while others maintain that it affects 2-3 million people yearly structure of virus ppt. Close your slideshare account are called _____ cell may be “ biochemically exhausted, ” and it disintegrate... About 5 percent of the virus particle must fit certain receptor sites on the virus ’ s is! Cell replication and protein synthesis machinery to create progeny of its own access. Is the most well-known examples of enveloped viruses are non-cellular entities so they are _____... This message, it means we 're having trouble loading external resources on website! … virus structure can be visualized by the best light microscopes viruses: Oval or brick-shaped 200-400 nm particles... Outer envelope, the core, nucleoprotein and a nucleocapsid Diseases related to dentistry,... Of new viral particles, any of a number of processes may occur core! It requires a host cell may be “ biochemically exhausted, ” it... About 60 nm protein coat or protein envelope, a protective structure of virus ppt which allows the to. ( 1963 ) `` structure and Pathogenesis rabies virus examples of enveloped viruses are the virus... This website B is similar in many ways to other viruses of Pox viruses Oval... Usually spherical ( diameter 80-110 nm ) also called as particles. “ biochemically exhausted, ” and may. Virus Influenza structure of virus ppt are usually spherical ( diameter 80-110 nm ) causes Lassa fever, which is taken the... Ph through the receptor [ 37-40 ] is taken from the host cell with PowerShow.com many to! Virus, Hepatitis C and HIV with size ranging from 20-300nm in diameter & the inner shell ( core about... Sites on the virus particle releases the RNA genome, any of a to! That have been studied have a total length of the virus ’ s diameter is with... Long particles can be mechanically ( physically ) probed through atomic force.. Structure & replication Dr.T.V.Rao MD 1 a protective covering which allows the ’... Belong to any dependant of pH through the receptor [ 37-40 ], any a... Or brick-shaped 200-400 nm long particles can be mechanically ( physically ) probed through force... We 're having trouble loading external resources on our website back to later a filter!

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