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Virology is the scientific study of biological viruses. It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they cause, the techniques to isolate and culture them, and their use in research and therapy.
Bonnie Lynn Bassler is an American molecular biologist; the Squibb Professor in Molecular Biology and chair of the Department of Molecular Biology at Princeton University; and a Howard Hughes Medical Institute Investigator. She has researched cell-to-cell chemical communication in bacteria and discovered key insights into the mechanism by which bacteria communicate, known as quorum sensing. She has contributed to the idea that disruption of chemical signaling can be used as an antimicrobial therapy.
Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms.
Martinus Willem Beijerinck was a Dutch microbiologist and botanist who was one of the founders of virology and environmental microbiology. He is credited with the discovery of viruses, which he called "contagium vivum fluidum".
Viral evolution is a subfield of evolutionary biology and virology that is specifically concerned with the evolution of viruses. Viruses have short generation times, and many—in particular RNA viruses—have relatively high mutation rates. Although most viral mutations confer no benefit and often even prove deleterious to viruses, the rapid rate of viral mutation combined with natural selection allows viruses to quickly adapt to changes in their host environment. In addition, because viruses typically produce many copies in an infected host, mutated genes can be passed on to many offspring quickly. Although the chance of mutations and evolution can change depending on the type of virus, viruses overall have high chances for mutations.
Theodor Otto Diener was a Swiss-American plant pathologist. In 1971, he discovered that the causative agent of the potato spindle tuber disease is not a virus, but a novel agent, which consists solely of a short strand of single-stranded RNA without a protein capsid, eighty times smaller than the smallest viruses. He proposed to name it, and similar agents yet to be discovered, viroids. Viroids displaced viruses as the smallest known infectious agents.
The Microbiology Society is a learned society based in the United Kingdom with a worldwide membership based in universities, industry, hospitals, research institutes and schools. It is the largest learned microbiological society in Europe. Interests of its members include basic and applied aspects of viruses, prions, bacteria, rickettsiae, mycoplasma, fungi, algae and protozoa, and all other aspects of microbiology. Its headquarters is at 14–16 Meredith Street, London. The Society's current president is Prof. Gurdyal S. Besra. The Society is a member of the Science Council.
The Leeuwenhoek Lecture is a prize lecture of the Royal Society to recognize achievement in microbiology. The prize was originally given in 1950 and awarded annually, but from 2006 to 2018 was given triennially. From 2018 it will be awarded biennially.
Joan Elaine Argetsinger Steitz is Sterling Professor of Molecular Biophysics and Biochemistry at Yale University and Investigator at the Howard Hughes Medical Institute. She is known for her discoveries involving RNA, including ground-breaking insights into how ribosomes interact with messenger RNA by complementary base pairing and that introns are spliced by small nuclear ribonucleic proteins (snRNPs), which occur in eukaryotes. In September 2018, Steitz won the Lasker-Koshland Award for Special Achievement in Medical Science. The Lasker award is often referred to as the 'American Nobel' because 87 of the former recipients have gone on to win Nobel prizes.
Vincent R. Racaniello is a Higgins Professor in the Department of Microbiology and Immunology at Columbia University's College of Physicians and Surgeons. He is a co-author of a textbook on virology, Principles of Virology.
A virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of the original virus. Unlike most living things, viruses do not have cells that divide; new viruses assemble in the infected host cell. But unlike simpler infectious agents like prions, they contain genes, which allow them to mutate and evolve. Over 4,800 species of viruses have been described in detail out of the millions in the environment. Their origin is unclear: some may have evolved from plasmids—pieces of DNA that can move between cells—while others may have evolved from bacteria.
A viral disease occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells.
The history of virology – the scientific study of viruses and the infections they cause – began in the closing years of the 19th century. Although Edward Jenner and Louis Pasteur developed the first vaccines to protect against viral infections, they did not know that viruses existed. The first evidence of the existence of viruses came from experiments with filters that had pores small enough to retain bacteria. In 1892, Dmitri Ivanovsky used one of these filters to show that sap from a diseased tobacco plant remained infectious to healthy tobacco plants despite having been filtered. Martinus Beijerinck called the filtered, infectious substance a "virus" and this discovery is considered to be the beginning of virology.
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, more than 11,000 of the millions of virus species have been described in detail. The study of viruses is known as virology, a subspeciality of microbiology.
Microbiology is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular, or acellular. Microbiology encompasses numerous sub-disciplines including virology, bacteriology, protistology, mycology, immunology, and parasitology.
Richard T. Johnson was a physician and scientist at the Johns Hopkins University School of Medicine. Johnson was a faculty member in the Department of Neurology since its inception in 1969 and was the former head of the department. His research into the effects of viruses on the central nervous system has been published in over 300 scientific articles, and Johnson was both a journal and book editor and the author of an influential textbook, Viral Infections of the Nervous System.
In biology, a pathogen, in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ.
Wendy Sue Fox is a British virologist. She is currently head of Department of Infectious Disease and chair in Influenza Virology at Imperial College London. She leads a team of scientists studying the influenza virus and its physiology and morphology to discover novel vaccines. In particular, they are trying to understand more about influenza virus mutations, and how they can allow scientists to create new vaccines against possible flu pandemics.
Polly Roy OBE is a professor and Chair of Virology at The London School of Hygiene and Tropical Medicine. She attended a number of schools which included Columbia University Medical School, Rutgers University, University of Alabama, and University of Oxford. In 2001 she became a part of The London School of Hygiene and Tropical Medicine and, along with being the chair of Virology, is also the co-organiser of the medical microbiology course. The virus that she has dedicated most of her career to is Bluetongue disease that affects sheep and cattle. She became interested in this virus after attending a symposium and was intrigued by the fact that not much was known about the virus that was causing such a nasty and sometimes fatal disease.
The Fleming Prize Lecture was started by the Microbiology Society in 1976 and named after Alexander Fleming, one of the founders of the society. It is for early career researchers, generally within 12 of being awarded their PhD, who have an outstanding independent research record making a distinct contribution to microbiology. Nominations can be made by any member of the society. Nominees do not have to be members.
References
- ↑ "Prize Medal". Microbiology Society. Retrieved 30 April 2020.
- ↑ "PRIZE MEDAL LECTURE TO BE GIVEN BY DR CHRISTOF FELLMANN". Microbiology Society. Retrieved 30 April 2020.
- ↑ "Christoff Fellman PhD". The Gladstone Institute of Data Science and Biotechnology. Retrieved 30 April 2020.
- ↑ "Bonnie Bassler has been awarded the 2022 Microbiology Society Prize Medal". Princeton University. Retrieved 10 August 2023.