The pathogen Escherichia coli O157:H7 can spread, likely airborne, more than one tenth mile downwind from a cattle feedlot onto nearby produce, according to a paper published ahead of print in Applied and Environmental Microbiology. The high percentages of leafy greens contaminated with E. coli ... Read More
The paratenic hosts reveal a case of scabies in the Traveling Salesman, and discuss a role for natural antibody in protection from infection with Plasmodium.
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This episode: Modern hunter-gatherers have very different gut microbes from people from agricultural societies!
(12.9 MB, 14.1 minutes)
Vincent and Dickson discuss how malaria parasites induce odors in their rodent hosts that attract mosquitoes.
This episode: Gut microbes can be different even in genetically identical mice in similar conditions!
(7.4 MB, 8 minutes)
Vincent, Dickson, and Daniel review new insight into antigenic variation in trypanosomes, reveal the difficult solution to the last case study, and present another mystery for your solving.
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Vincent and Dickson discuss the spread of P. knowlesi in Malaysia, and how Leishmania parasites protect the sandfly gut from bacterial infection.
This episode: Soil bacteria could help prevent food poisoning from bacteria in raw tomatoes!
(9.6 MB, 10.5 minutes)
This episode: Scientists discover what seem to be ultra-small bacteria, possibly smaller than the theoretical minimum size!
(12.3 MB, 13.4 minutes)
This episode: Antibiotic-degrading probiotics protect mouse gut microbes from hostile pathogen takeover after antibiotic treatment!
(7.8 MB, 8.5 minutes)
This episode: Fungi living in grasses make toxic compounds to defend against herbivores, but some animals can overcome this defense with their saliva!
(5.4 MB, 5.9 minutes)
This episode: Learning things about people's identity and movements from microbial communities on their phones and shoes!
(5.4 MB, 5.8 minutes)