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From Vincent Racaniello
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This Week in Microbiology
by Vincent Racaniello
Today: #159 in Science, Canada on our combined chart.
Today: #48 in Science, India on our combined chart.
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Ranking history · United States
Latest daily rankings: Oct 31. New rankings will appear after the next update.
Recent history only — this show has no current ranking on the Science chart. These are recorded positions from the last 14 days, not current rankings.
Platform positions on the Science chart over the last 14 days. No Combined Rank recorded in this period. Toggle platforms to compare their positions. Lower rank numbers are better.
No Combined Rank recorded in this period. Select a platform to see its history.
View as table
| Date | Combined Rank | Apple Podcasts |
|---|---|---|
| Oct 31 | — | — |
| Oct 27 | — | #193 |
| Oct 26 | — | #200 |
Latest episodes
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Our Vanishing Ancient Gut Microbes
October 25, 2026 · 1 hr 7 minTWiM explains a bacterial antiviral defense system that uses a noncoding RNA template to build tandem-repeat DNA through a mechanism that parallels how eukaryotic telomerase extends telomeres, and genome sequencing of the Tsimane of…
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Bacteria Inside a Fungus Sabotage Plant Defenses
October 10, 2026 · 51 minTWiM explains how bacterial endosymbionts enhance fungal virulence by disrupting the protective rhizobiome, and the development of rationally engineered Salmonella typhimurium strains with enhanced safety and antitumor efficacy. Become a…
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DNA Damage as Defense Against Bee Pathogens
September 26, 2026 · 47 minTWiM wonders why archaea are not pathogenic, and reveals how a colibactin produced by a honeybee gut symbiont defends against pathogens. Become a patron of TWiM. Links for this episode: Why are archaea not pathogenic? (mBio)…
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Why Vegetables Are Good for Your Heart
September 12, 2026 · 58 minTWiM explains the finding that Bunsen burners do not decrease deposition of microbe-containing particles, and how gut microbiota generate dinitrosyl iron complexes with cardiometabolic benefits. Hosts: Vincent Racaniello and Michael…
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When Gut Bacteria Share Chromosomes
August 29, 2026 · 52 minTWiM explains how movement of DNA among gut bacteria drive large-scale genome mosaicism, and validation of a method for detection of Cyclospora cayetanensis in outbreak-linked fresh produce. Hosts: Vincent Racaniello, Michael Schmidt…
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Bacteria and Colon Cancer Recurrence
August 14, 2026 · 53 minTWiM explains the discovery of an avirulent bacterial signature associated with the development of recurrence following colorectal cancer surgery, and phage-derived proteins and conjugates that induce pilus detachment. Hosts: Vincent…
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Nitrogen Fixation Goes Eukaryotic
July 31, 2026 · 56 minTWiM explains major implications of the link between plastic pollution and antimicrobial resistance, and the discovery of a new organelle, the nitrogen-fixing nitroplast. Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson…
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Kin Killing and Metal Hunger
July 18, 2026 · 48 minTWiM explains how cannibalism shapes biofilm structure and composition in Bacillus subtilis, and the importance of manganese uptake in uropathogenic E. coli during urinary tract infection. Become a patron of TWiM. Links for this…
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Gut Microbes and ALS
July 4, 2026 · 58 minTWiM explains the connection between inflammation caused by microbial glycogen in the gut and amyotrophic lateral sclerosis, and how disruption of cysteine metabolism leads to synthetic lethality and in vivo fitness impairment in…
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Remembering Elio at Tufts
June 15, 2026 · 56 minTWiM visits Tufts University School of Medcine and are joined by John Coffin, Michael Malamy, and Verna Manni for a tribute to Elio Schaechter who was chair of Molecular Biology and Microbiology for 23 years. Hosts: Vincent…
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Nanopore to the bone
May 28, 2026 · 49 minTWiM explains how Streptococcus mitis bacteriocins drive contact-dependent lysis of S. pneumoniae facilitating transformation, and microbial dominance in diabetic foot osteomyelitis determined with nanopore sequencing. Hosts: Vincent…
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Bacteria Complete Your tRNA
May 9, 2026 · 56 minTWiM explains how an enhanced domestication method allows for growth of uncultured bacteria, and identification of the oncogene SLC35F2 as is a high-specificity transporter for the micronutrients queuine and queuosine. Hosts: Vincent…
About the show
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.