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TWiP 83: Hidden costs of infection

Vincent, Dickson, and Daniel present a new case study, and discuss the effect of chronic malaria infection on wild warbler life span and telomere degradation.


Hosts: Vincent Racaniello Read More

BacterioFiles 230 - Plant Prokaryotes Promote Protein Production

This episode: Bacteria in and around plants can help fertilizer them, even in non-legume plants!


(11.1 MB, 12.15 minutes)


Show notes: 
News... Read More

"E. coli Happens"

E. coli was grown on MacConkey Agar (MAC) at 37 degrees for 24 hour. MAC is a Selective and Differential media used to inhibit G+ growth and some G- bacteria as well as identify and isolate lactose fermenting G- enteric bacteria mainly Enterobacteriaceae. Strong lactose fermentation produces pi... Read More

TWiP 96: Salivary pharmacopeia

The TWiPanosomes solve the case about the Young Woman who Went to Belize, and relate how sandfly saliva skews the immune response and increases risk of cutaneous leishmaniasis.


Hosts:  Read More

BacterioFiles 234 - Phone, Floor Phylum Forensics

This episode: Learning things about people's identity and movements from microbial communities on their phones and shoes!


(5.4 MB, 5.8 minutes)


Show notes: 
Read More

MWV96 - Antibiotic Resistant Bacteria

In 2011, the NIH Clinical Center had a cluster of infections of a pathogen that tops the CDC's list of urgent threats: antibiotic-resistant Klebsiella pneumoniae. This bacteria, which can cause bloodstream and other infections, has recently developed resistance to the class of antibiotics kno... Read More

MWV 98 - TWiM #113 Waves of Change


Vincent meets up with Romney Humphries and Duncan MacCannell at the 79th annual meeting of the Southern California branch of the American Society f... Read More

Bacteria battling each other to survive

"Two types of bacteria found in the soil have enabled scientists to get the dirt on how resistance to antibiotics develops along with a separate survival strategy.The study identifies an atypical antibiotic molecule and the way in which the resistance to that molecule arises, including the ident... Read More

TWiM #104: Feed me polyamines, biofilm

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

TWiP 93 letters

Sandra writes:


Daniel: I was fascinated by your answer to the case from TWIP 91 - the life cycle of the southeast Asian worm (I won't even try to spell it.) Re early symptom coughing & wheezing: if the ED did a chest X-ray out of concern about the lungs, would the... Read More

TWiM #100: Omnis cellula e cellula

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

BacterioFiles 231 - Creating Cancer-Killing Cultures

This episode: Engineering Salmonella strains that kill cancer cells but leave healthy ones alone!


(7.9 MB, 8.5 minutes)


Show notes: 
Read More

BacterioFiles 228 - Bacteria Beat Bat Blight

This episode: Bacteria isolated from bats' skin inhibits the growth of bat-killing fungus!


(7 MB, 7.6 minutes)


Show notes: 
News item/<... Read More

TWiM #105: Real bugs with legs

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

Serratia flowers

Serratia marcescens can form brilliant red colonies on LB agar due to the synthesis of the secondary metabolite prodigiosin. In the Microbiology teaching lab, we had students create pigment mutants of S. marcescens and these lovely shades of pink and white were collected for analysis. Read More

BacterioFiles 223 - Fecal Fusions Forecast Fatness

This episode: Sampling microbial populations in sewage from cities could reveal differences in the human populations, such as prevalence of obesity!


(9.1 MB, 9.9 minutes)


Show notes: 
Read More

BacterioFiles 208 - Discovering Dietary Dwellers

This episode: Dr. Angela Zivkovic discusses the microbes present in our food!


(21.6 MB, 23.6 minutes)


Show notes: 
Journal Paper


Read More

BacterioFiles 229 - Spore-formers Stimulate Serotonin

This episode: Bacteria in mouse guts control the production of serotonin, an important neurotransmitter!


(10.4 MB, 11.3 minutes)


Show notes: 
Ne... Read More

TWiP 95: Arsenic and Leishmania

Vincent, Dickson, and Daniel solve the case about the 33 year old Chinese male with watery diarrhea, and discuss whether arsenic in drinking water might lead to treatment failures for Leishmania infections.


Hosts:  Read More

TWiP 90: A carbuncle is a large furuncle

Vincent, Dickson, and Daniel discuss identification of an erythrocyte protein essential for invasion of Plasmodium falciparum, and introduce a new case study.


Hosts:  Read More

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