show episodes
 
This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.
 
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show series
 
A TWiV trio reveals the 100 million year old history of bornavirus infections hidden as EVEs in vertebrate genomes, and identification of novel bat coronaviruses that provide evolutionary insight into the origins of SARS-CoV-2. Hosts: Vincent Racaniello, Alan Dove, and Amy Rosenfeld Subscribe (free): iTunes, Google Podcasts, RSS, email Become a pat…
 
In COVID-19 clinical update #67, Daniel Griffin reviews antibodies to the virus early in the US, serology testing of blood donations, MIS-C in children under 21, myocarditis in competitive athletes, ER visits for suspected suicide attempts, delta variant in Scotland, Novavax vaccine phase 3 results, vaccine coverage in pregnant women, early monoclo…
 
On this episode of TWiV, Novavax COVID-19 vaccine demonstrates 90% overall efficacy, preventing an antigenically disruptive change during growth of influenza virus vaccine in chicken eggs, and MIS-C is driven by loss of the gut mucosal barrier. Hosts: Vincent Racaniello, Kathy Spindler, and Brianne Barker Click arrow to play Download TWiV 769 (68 M…
 
On this episode of Immune, we answer listener questions about CAR-Macs, complement and COVID-19, sleep and the immune system, caving and the immune system, germinal centers, COVID-19 vaccines and much more. Hosts: Vincent Racaniello, Stephanie Langel, Cynthia Leifer, and Brianne Barker Subscribe (free): iTunes, Google Podcasts. RSS, email Become a …
 
TWiV describes how human behavior, not increased transmissibility, led to increased spread of a SARS-CoV-2 variant throughout Europe in summer 2020, and nanobodies from camelid mice and llamas that efficiently neutralize variants of concern. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, and Brianne Barker Subscribe (free): iTunes, Googl…
 
In COVID-19 clinical update #66, Daniel Griffin covers treatment guidelines from IDSA, hospitalization of adolescents, estimating epidemiological dynamics from viral load distributions, incidence of infection according to baseline antibody status, assessment of reinfection in Italy, need for vaccination in previously infected individuals, assessmen…
 
David joins TWiV to relate how his near-death experience with Castleman’s disease motivated him to found the Center for Cytokine Storm Treatment & Laboratory and the CORONA project to identify and track all treatments reported for COVID-19 in an open-source data repository. Hosts: Vincent Racaniello, Kathy Spindler, and Brianne Barker Guest: David …
 
TWiV reviews the new nomenclature for SARS-CoV-2 variants, effectiveness of Pfizer/BioNTech vaccine against variants, modified Moderna vaccine against variants, impact of COVID-19 interventions on influenza in China and the US, and binding of RaTG13 spike protein to ACE2 of multiple species. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove,…
 
In COVID-19 clinical update #65, Daniel Griffin summarizes effects of non-pharmaceutical interventions, updated summer camp guidance from CDC, serology testing not recommended by FDA, antigen tests during a music event, inhibition of vaccine immunogenicity by methotrexate, phase 3 trial results for colchicine, and small airway disease as a post-acu…
 
TWiM continues its food arc with an examination of the effect of peroxyacetic acid spray on the microbiome and sensory properties of beef, and explores asymmetry of the cell division machinery during sporulation. Links for this episode: Effect of peroxyacetic acid on beef (Appl Envir Micro) Peracetic acid sterilization (CDC) Different cuts of beef …
 
TWiV explains how cap-snatching, the priming of viral mRNA synthesis with fragments of host mRNAs, can lead to the synthesis of novel viral proteins. Hosts: Vincent Racaniello, Rich Condit, and Kathy Spindler Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Cap-snatching makes new ORFs (Cell) Cap…
 
Christina returns to the TWiP trifecta to solve the case of the Beachgoer with Red Lines on Her foot, and an experimental malaria vaccine based on the junctional region of the circumsporozoite protein displayed on a virus-like particle. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Guest: Christina Naula Download TWiP #195 (46 M…
 
Robert Garry joins TWiV to explain how the molecular biology of SARS-CoV-2 shows that it came from Nature and not a lab, including the receptor binding domain, the furin cleavage site, and the two lineages circulating in Wuhan wildlife markets. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, Rich Condit, and Brianne Barker Guest: Robert G…
 
Nels and Vincent explain a new method for calculating the most recent common ancestor of SARS-CoV-2, which concludes that the ancestral virus was circulating in October/November 2019, before its first detection in China. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for…
 
In COVID-19 clinical update #64, Daniel Griffin covers new guidance from NY on day camps, mitigation and infection rates in schools, testing to sustain in person instruction, Moderna mRNA vaccine highly effective in adolescents, longer storage of Pfizer vaccine, FDA EUA for sotrovimab, and persistent illness in UK children. Hosts: Daniel Griffin an…
 
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