Although Avery, MacLeod, and McCarty showed in 1944 that nucleic acid was both necessary and sufficient for the transfer of bacterial genetic traits, protein was still suspected to be a critical component of viral heredity. Alfred Hershey and Martha Chase showed that this hypothesis was incorrec...
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Edmilson writes: Dear Vincent, Great TWIV 197, it is really nice to learn how science was. Fascinating to see how laborious was to do things that nowadays are only "kitology". Keep up the great podcast. Cheers, Edmilson ... Read More Hosts: Vincent Racaniello, Alan Dove, ... Read More This episode: Bacteria produce gas that can regulate the depth of underwater sensor devices! 
Video of my conversation from TWiV 197 with Professor Philip I. Marcus on his development of the single cell cloning technique in the 1950s, using HeLa cells.
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Last week I was at Cold Spring Harbor Laboratory to attend a ceremony designating the well-known laboratory on Long Island as a Milestone in Microbiology site. The purpose of this program, which is administered by the American Society for Microbiology, is to recognize institutions that have subs...
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This episode: Amoebae snag pathogenic bacteria in soil and carry them around as a portable snack!
Chimpanzees from African sanctuaries carry drug-resistant, human-associated strains of the bacteria Staphlyococcus aureus, a pathogen that the infected chimpanzees could spread to endangered wild ape populations if they were reintroduced to their natural habitat, a new study shows.
The study ... Read More
A gastrointestinal pathogen associated with fecal contamination was present in 97 of 129 water samples taken from four beaches on the Lake Erie coast of Ohio according to research published in the August issue of Applied and Environmental Microbiology (click source to download a .pdf of the jour...
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A serological test is highly accurate at finding tuberculosis infection in elephants, and can determine such infection years before culture, according to a study in the August Clinical and Vaccine Immunology (click source to download the .pdf of the journal article). The issue is critical not on...
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Prostate cancer is the leading cause of cancer morbidity and the third greatest cause of cancer death among men in developed countries. A major question in cancer research has been whether virus infection plays a role in cancers of the genitourinary tract. Now a team of Swiss investigators has n...
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Efforts to expunge micro-organisms from spacecraft assembly cleanrooms, and the spacecraft themselves, inadvertently select for the organisms that are often the most fit to survive long journeys in space. This has the risk of thwarting the goal of avoiding contaminating other celestial bodies, a...
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Hosts: Vincent Racaniello and Dickson Despommier Vincent and Dickson review how sickle cel... Read More
Robin writes:
http://www.websters-online-dictionary.org/definitions/Trematoda Trematodes are commonly referred to as flukes. This term can be traced back to the Saxon name f... Read More 
When I am asked to name the most lethal human virus, I never hesitate to name rabies virus. Infection with this virus is almost invariably fatal; just three unvaccinated individuals have been known to survive. New evidence from humans in the Peruvian Amazon suggests that the virus might be less ...
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Dallas writes: I am going through the old podcasts, when I have time. Number forty one covered ISA — a salmonid virus with a billion dollar class damages history. When someone mentioned vaccines development, a comments was made about how can you vaccinate salmon. ... Read More This episode: Using a bacterial trick to protect pathogen proteins from radiation could help produce useful vaccines! |
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