What is a virus? (Lecture 1) - YouTube
WEBSep 26, 2011 · Virology - Biology W3310Vincent Racaniello, Ph.D. | Higgins ProfessorDepartment of Microbiology & ImmunologyColumbia University, New York
Virology Lectures 2021 #1: What is a Virus? - YouTube
WEBJan 12, 2021 · For the first lecture of my 2021 Columbia University virology course, we define viruses, discuss their discovery and fundamental properties, including whether or not they are alive, and...
Virology Course 2021 | Virology Blog
WEBThis Columbia University virology course is offered each year in the spring semester. Textbook. The recommended textbook is Principles of Virology. Vol I: Molecular Biology, Vol. II: Pathogenesis and Control (S.J. Flint et al., Fifth Edition, ASM Press 2020). Other course resources.
Virology Lectures 2023 #1: What is a virus? - YouTube
WEBIf you want to understand life on Earth; if you want to know about human health and disease, you need to know about viruses. The first lecture of my 2023 Col...
8: Introduction to Viruses - Biology LibreTexts
WEBVirus Structure. 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. Helical viruses have an elongated tube-like structure, with the capsomers arranged helically around the coiled genome.
WEBViroids are the smallest known autonomously replicating molecules. They consist of single-stranded, circular RNA, 240-375 residues in length and are plant pathogens. Prions. Prions are not viruses but are often discussed within this microbiologic category.
17.1: Viruses - Biology LibreTexts
WEBSep 23, 2021 · Virions, single virus particles, are very small, about 20–250 nanometers (1 nanometer = 1/1,000,000 mm). These individual virus particles are the infectious form of a virus outside the host cell.
Introduction to Viruses – General Microbiology
WEBViruses are typically described as obligate intracellular parasites, acellular infectious agents that require the presence of a host cell in order to multiply.
10.1: General Characteristics of Viruses - Biology LibreTexts
WEBAug 31, 2023 · Viruses are infectious agents with both living and nonliving characteristics. They can infect animals, plants, and even other microorganisms. Viruses that infect only bacteria are called bacteriophages and those that infect only fungi are termed mycophages .
Module 1: Virology, Coronaviruses, and COVID-19 - Johns Hopkins
WEBUpon completing this module, you will be able to: Understand the definition of a virus and virology. Explore how viruses make people sick. Discuss different types of viruses, including coronaviruses. Describe characteristics of the COVID-19 virus.