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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
 
TWiM explains how Vibrio biofilms are dispersed by polyamine signals, and the induction of inappetence by respiratory virus infection which causes alteration of the gut microbiome. Subscribe to TWiM (free) on Apple Podcasts, Spotify, Google Podcasts, Android, RSS, or by email. Become a patron of TWiM. Links for this episode Regulation of Vibrio bio…
 
TWiM reviews aspirin modulation of Fusobacterium nucleatum, a microbe that has been associated with colorectal cancer, and Elio tells us ‘What are vaccines’, a talk he recently gave to members of his community. Become a patron of TWiM. Links for this episode: Elio’s What are Vaccines? (pdf) Jenner Museum Aspirin modulation of Fusobacterium (mBio) F…
 
The TWiM team reviews how variants of P. aeruginosa survive antimicrobial treatment, and a decrease in the antimicrobial resistance of the gut microbiome in the presence of the fungus C. albicans. Become a patron of TWiM. Links for this episode: Phoenix colony variants of P. aeruginosa (AAC) Candida and the gut microbiota (mSphere) Music used on TW…
 
Elio reveals his thoughts on the big themes of modern microbiology, followed by an analysis of the gut microbiome in patients with Parkinson’s disease. Become a patron of TWiM. Links for this episode: Parkinson’s disease gut microbiome (NPJ Parkinsons) Sequencing data as compositions (Bioinformatics) Gut microbiota in mouse Parkinson’s model (Cell)…
 
To celebrate ten years, TWiM asks former hosts and guests to provide their thoughts on how microbiology has contributed to our understanding of the microbial world. Links for this episode: Neisseria LINES up: TWiM #1 Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comment…
 
In this episode, hiring and training expectations for future biomedical life sciences faculty, and the roles of bacterial symbionts in deep-sea hydrothermal vent tubeworms. Become a patron of TWiM. Links for this episode: Expectations for life sciences faculty (Life Sci Edu) Academic career readiness assessment (UCSF) Tubeworm bacterial symbionts (…
 
In this episode, how DNA of giant viruses has contributed extensively to the genome of green algae, and inhibition of E. coli virulence by a metabolic product of arachidonic acid in the intestinal epithelium. Links for this episode: Giant viral DNA shapes genomes of green algae (Nature) James Van Etten Darwin’s Radio Arachidonic acid and E. coli vi…
 
As instructors teaching the non-majors microbiology student you often hear “why do I need to know this”? Bringing relevancy into the course can sometimes be difficult due to time constraints of all kinds. McGraw Hill helps instructors bring relevancy into the classroom with Relevancy Modules that can be assigned within Connect. Learn how Dr. Doroth…
 
Scientists have produced effective vaccines against SARS-CoV-2, the virus causing the worldwide pandemic of COVID-19. The speed with which the vaccines were produced is unprecedented, and that makes some worry that they were “rushed through” and may not be safe or effective. This mini-lecture reviews vaccine biology and discusses how the current va…
 
The TWiM team reviews Salmonella colonization of three-dimensional miniature intestinal organs, and identification of a circadian clock in a non-photosynthetic prokaryote. Become a patron of TWiM. Links for this episode: Salmonella colonization of enteroids (mBio) Circadian clock in nonphotosynthetic prokaryote (Science) Image credit Music used on …
 
The TWiM team reviews the movie Jezebel, played against the background of the yellow fever epidemic of 1853 in New Orleans, and prokaryotic viperins, ancestors of the eukaryotic enzymes that synthesize antiviral molecules. Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Become a patron of TWiM. Links for this…
 
TWiM explores the use of a bacterial protein to make highly conductive microbial nanowires, and how modulin proteins seed the formation of amyloid, a key component of S. aureus biofilms. Subscribe to TWiM (free) on Apple Podcasts, Google Podcasts, Android, RSS, or by email. Become a patron of TWiM. Links for this episode Amyloid formation for S. au…
 
Mark Martin returns to TWiM for a discussion of a predatory bacterium appropriately named Vampirococcus lugosii, and Elio reveals how bacteria can be used on the International Space Station to efficiently extract rare earth elements in microgravity. Become a patron of TWiM. Links for this episode: Space Station biomining (Nat Comm) Reductive evolut…
 
Check out this awesome lecture from Kelly Cowan. The live lecture link is below, if you want to view it with visuals. Enjoy! Instructors - with everything else you are handling during this bizarre semester, brushing up on your epidemiology may not be high on your list. But students have been bombarded with a lot of information (good and bad) about …
 
In this episode of TWiM, control of Campylobacter in raw chicken by zinc oxide nanoparticles in packaging material, and Salmonella enterica genomes from a16th century epidemic in Mexico. Become a patron of TWiM. Links for this episode: Zinc oxide nanoparticles in raw meat packing (Appl Env Micro) Campylobacter, an emerging foodborne pathogen (Emerg…
 
Tune in to this episode of Grow Microbiology, where Tami Hodge (McGraw-Hill) interviews Denise Andersen (University of Washington: Senior Lecturer Emeritus) about the 10th Edition of Nester's Microbiology. Denise talks about writing a book during a pandemic and staying true to preparing today's student for tomorrow's information. Denise talks about…
 
In this episode of TWiM, the hidden biochemical diversity in soil-dwelling Actinobacteria that could lead to a second Golden Era of antibiotic discovery, and structures of glideosome components reveals the mechanism of gliding in apicomplexan parasites. Become a patron of TWiM. Links for this episode: Cryptic or silent? (mBio) The Streptomyces chro…
 
Ninecia and Chelsey, two of the founders of Black in Microbiology, join TWiM to discuss the goals of the organization, then we reveal survival of Deinococcus bacteria for 3 years in space, an experiment that addresses the panspermia hypothesis for interplanetary transfer of life. Guests: Ninecia Scott and Chelsey Spriggs You can watch this episode …
 
TWiM presents an episode for mycophiles: how bacteria disarm mushroom pathogens, and the role of the CARD9 protein in protective immunity against pulmonary cryptococcosis. Hosts: Vincent Racaniello, Elio Schaechter, Michael Schmidt and Michele Swanson Become a patron of TWiM. Links for this episode: Black in Microbiology How bacteria disarm mushroo…
 
TWiM presents two unusual microorganisms, Erysipelothrix rhusiopathiae, heard by Elio in an episode of Doc Martin, and Roseomonas mucosa, which is being used to treat atopic dermatitis. Become a patron of TWiM. Links for this episode: Erysipelothrix rhusiopathiae Treating atopic dermatitis with R. mucosa (Sci Trans Med) Overview of sphingolipid met…
 
The TWiM team explores how delivery of an enzyme into competitor cells leads to synthesis of (p)ppApp, depletion of ATP, deregulation of metabolic pathways, and cell death, and a refinement of our typical view of bacterial lag phase as a period of nonreplication. Hosts: Vincent Racaniello, Elio Schaechter, and Michael Schmidt Become a patron of TWi…
 
The TWiM team reveals the genetic mysteries of the Dead Sea Scrolls from sequencing of DNA, and 100 million year old living bacteria recovered from marine sediments. Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson and Michael Schmidt Become a patron of TWiM. Links for this episode: Elio’s Memoirs Genetic mysteries of Dead Sea Scrolls (C…
 
The TWiMmers explore detection of SARS-CoV-2 on surfaces in an ophthalmology examination room, the ability of stressed populations of Yersinia bacteria to survive antimicrobial treatment within host tissues, and how volatile organic chemicals produced by soil microbes attract arthropods which in turn disperse bacterial spores. Subscribe to TWiM (fr…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.249938v1?rss=1Authors: Doliwa, A., Dunthorn, M. E., Rassoshanska, E., Mahe, F., Bass, D., Ritter, C. D.Abstract: Microsporidia are obligate parasites that are closely related to Fungi. While the widely-known long-branch Microsporidia infect mostly animals, the hosts of short-bra…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.250423v1?rss=1Authors: Aasmets, O., Lüll, K., Lang, J. M., Pan, C., Kuusisto, J., Fischer, K., Laakso, M., Lusis, A. J., Org, E.Abstract: The incidence of type 2 diabetes (T2D) has been increasing globally and a growing body of evidence links type 2 diabetes with altered microb…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.250449v1?rss=1Authors: Hultman, J., Johansson, P., Björkroth, J.Abstract: Microbial food spoilage is a complex phenomenon associated with the succession of the specific spoilage organisms (SSO) over the course of time. We performed a longitudinal metatranscriptomic study on a m…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.14.250670v1?rss=1Authors: Fitzgerald, J. R., Wee, B., Alves, J., Lindsay, D., Cameron, R., Pickering, A., Gorzynski, J., Corander, J., Marttinen, P., Smith, A.Abstract: Legionella pneumophila is the most common cause of the severe respiratory infection known as Legionnaires disease…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.249425v1?rss=1Authors: Simwela, N. V., Hughes, K. R. P., Rennie, M. T., Barrett, M. P., Waters, A. P.Abstract: Current malaria control efforts rely significantly on artemisinin combinational therapies which have played massive roles in alleviating the global burden of the diseas…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.12.249060v1?rss=1Authors: Lim, C. S., Sozzi, V., Revill, P., Brown, C.Abstract: Hepatitis B virus (HBV) is a major human pathogen that causes liver diseases. The main HBV RNAs are unspliced transcripts that encode the key viral proteins. Recent studies show that some of the HBV spl…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.250399v1?rss=1Authors: Rompikuntal, P. K., Foe, I. T., Deng, B., Bogyo, M., WARD, G. E.Abstract: Toxoplasma gondii is a widespread apicomplexan parasite that causes severe disease in immunocompromised individuals and the developing fetus. Like other apicomplexans, T. gondii uses…
 
Link to bioRxiv paper: http://biorxiv.org/cgi/content/short/2020.08.13.243303v1?rss=1Authors: Papa, G., Mallery, D., Albecka, A., Welch, L., Cattin-Ortola, J., Luptak, J., Paul, D., McMahon, H., Goodfellow, I. G., Carter, A. P., Munro, S. P., James, L. C.Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infects cells by binding…
 
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