Viroids Lyndsay Murrow BMS 265 Nomenclature Viroid = virus- like Adapted from Flores R et al (1998) Arch Virol 143, 623-629. 1974: Confirmation that viroids are ...
Viroids Viroids Very small, covalently closed, circular RNA molecules capable of autonomous replication and induction of disease Sizes range from 250-450 nucleotides ...
Viral History Discovery of Viruses Beijerinck ... A virus is a non-cellular particle made up of genetic material and protein that can invade living cells.
All living organisms can be infected by specific viruses ... Virus may be present w/ no symptoms. Chicken pox virus latent in blood - emerges as shingles ...
Title: Prezentace aplikace PowerPoint Author: katedra fyziologie rostlin Last modified by: fischerl Created Date: 12/1/2002 1:48:31 PM Document presentation format
Chapter 13 Viruses, Viroids, and Prions Table 13.5 Examples of Latent and Persistent Viral Infections in Humans Prions Proteinaceous infectious particle Inherited and ...
A virus is a non-cellular particle made up of genetic material and protein ... Viewing Viruses Viral Structure Characteristics Characteristics Characteristics ...
Viruses, Viroids, and Prions Are Viruses Living or Non-living? Viruses are NOT considered living. They have some properties of life but not others They can t ...
Viruses, Viroids, and Prions * * Diagram of T-4 Bacteriophage Head with 20 triangular surfaces Capsid contains DNA Head & tail fibers made of protein * Retroviruses ...
Viruses, Viroids, and Prions Chapter 10 Dr. Ackman Viruses Living or not living? Inert outside of living host Cause infection and disease Obligate intracellular ...
Viruses, Viroids, and Prions Bits and Pieces that cause disease Viruses Viruses contain DNA or RNA and a protein coat Some are enclosed by an envelope Some viruses ...
Viruses, Viroids, and Prions Are Viruses Living or Non-living? Viruses are both and neither They have some properties of life but not others For example, viruses can ...
Named according to where it was discovered and what it did. Newer viruses. Type of nucleic acid ... DNA viruses. RNA viruses. Other concerns. Viruses and cancer ...
Viroids, Prions, Viruses, and Bacteria Chapter 20 * * * * * * * * * * * * * * * * * * * * * * Bacteria The ancestors of these organisms are considered to have been ...
A cellular infectious agents. Viruses, viroids, & prions. Department of Applied Science. King Saud University/ Community College. By: Murad Sawalha ...
2. Most viruses infect only specific types of cells in one host species ... Electron Micrograph of a T-even Bacteriophage (Lytic) with a Contractile Sheath ...
Viruses, Prions and Viroids Infectious Agents of Animals and Plants Chapter 14 Structure and Classification of Animal Viruses Classification of animal viruses ...
... Time Course of Infections How the Flu Changes its Spots Prion-Associated Disease Hypothesis for Prion Action Link to Next Presentation Some viruses are ...
Molecular Biology of Prokaryotes VIRUSES AND BACTERIA Viroids Viroids are plant pathogens composed of molecules of naked circular DNA several hundred nucleotides long.
5.9 Viroids and Prions ... Prions represent the other extreme from viroids. ... The prion protein particle is infectious, and various prions are known to cause ...
KEY CONCEPT Infections can be caused in several ways. Viruses, bacteria, viroids, and prions can all cause infection. Any disease-causing agent is called a pathogen.
Viruses What are they? How do they work? Where do they come from? And What good are they? * Non-viral Infectious Agents Viroids- The smallest known particle that ...
VIRUSES Chapter 19 Viroids in Plants Fig. 19-11 Prion Normal protein Original prion New prion Aggregates of prions Misfolding of proteins to form prions Remember ...
KEY CONCEPT Infections can be caused in several ways. * Viruses, bacteria, viroids, and prions can all cause infection. Any disease-causing agent is called a pathogen.
The Flu Shot. Viroids and Prions. Viroids ... The Common Flu (influenza) ... You can pick up the flu virus from any surface or from the air. Flu Shots. HIV and AIDS ...
Plant Stresses may cause ... not considered causes of Abiotic Diseases Infectious Plant Disease Causes Fungi Prokaryotes Viruses Viroids Nematodes Protozoa ...
... cytomegalovirus Zoonosis Vector-borne Environment Bird, rodent, feline Virus particles: may or may not be infections Virions: infectious particles Viroids: ...
... viroids Phytoplasmas Nematodes Insects and mites Patterns of Abiotic Damage Damage ... e.g. ELISA . Electron microscopy. Staining for virus-induced inclusion ...
Let s see if you re as smart as an android You will have 5 minutes to answer this question Compare and contrast viroids and prions. 4 Minutes 3 Minutes 2 Minutes ...
y Arqueas 1-3 mm levaduras 5-10 mm Microorganismos acelulares VIRUS VIROIDES PRIONES Un solo tipo de cido nucleico. Envoltura proteica. Par sito intracelular obligado.
7. Viroids and Prions. 1. Viruses are very small. What are Viruses? ... Foot & Mouth Disease Virus (FMDV) 3. Size and shape of viruses. Helical. symmetry ...
WHAT THE HECK IS A VIRUS? The Form, Reproduction, and Genetics of Viruses Viral Shapes More Viral Forms Emerging Viruses Neuron Capacity Overload Virus Other Kinds of ...
Title: No Slide Title Last modified by: a a Document presentation format: On-screen Show Other titles: Times Arial Default Design PowerPoint Presentation Multiple ...
Microbial diversity Today: - History of virology - Methods of classifying viruses - Examples of interesting viruses - Special issues faced by viruses attacking plants
KEY CONCEPT Infections can be caused in several ways. Pathogen: Any living organism or nonliving particle that causes an infectious disease. Viruses, bacteria ...
Title: Biolog a. 2 Bachillerato. Tema 9: Organizaci n celular Author: I.E.S. Gustavo Adolfo B cquer Last modified by: XX Created Date: 1/3/2007 11:23:36 AM
The infectious agent is a single-stranded circular RNA molecule ... potato, avocado, chrysanthemum and other plants. PSTV potato spindle tuber viroid ...
Chapter 19~Viruses Viral structure Virus: poison (Latin); infectious particles consisting of a nucleic acid in a protein coat Viruses are not cells Capsid ...