A fun little read about lichens and their impressive attributes, accompanied by some beautiful photographs. (If the use of the term "kingdom Monera" gives you cause to smirk, just ignore it and keep reading.) Read More
Vincent, Dickson, and Daniel provide the solution to last week's case study, present a new one, and discuss how immune suppression by nematodes increases tuberculosis fatality in African buffalo.
Vincent and Dickson discuss the spread of P. knowlesi in Malaysia, and how Leishmania parasites protect the sandfly gut from bacterial infection.
Vincent, Dickson, and Daniel solve last week's case study, present a new one, and reveal how secreted proteins from a helminth prevent diabetes in mice.
1540s, a medical word for "excess of body fluid," from Late Latin plethora, from Greek plethore "fullness," from plethein "be full" (see pleio-). Figurative meaning "too-muchness, overfullness in any respect" i... Read More
Vincent and Dickson discuss the exchange of messenger RNAs between a parasitic plant and its hosts.
Matt updates the TWiV team on MERS-coronavirus, and joins in a discussion of whether we should further regulate research on potentially pandemic pathogens.
This episode: Defective phages in bacterial genomes can still have burdensome effects! Why do the bacteria keep them around?
(10.4 MB, 11.3 minutes)
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
This episode: Remnants of viral infection left behind in squirrels' genome may protect them from incoming viruses!
(9.3 MB, 10.1 minutes)
In a healthy adult human body, most internal organs such as the brain, spleen, liver, and heart are devoid of microorganisms because the immune system keeps them in check. After human host death, however, the immune system falters and microorganisms proliferate throughout the body beginning in ... Read More
Vincent, Alan, Rich and Kathy discuss the association of a virus with sea star melting disease, and the finding of a phycodnavirus in the oropharynx of humans with altered cognitive functions.
This episode: Ahmed Gomaa and I discuss how to keep some microbes and get rid of others using bacteria's own immune system!
(15.1 MB, 16.5 minutes)
Hosts: Vincent Racaniello
Special guest: Rob Knight
Vincent meets up with Rob Knight to talk about the technology that has... Read More
This episode: Some phages can fight back against bacterial defenses with recently discovered genes!
(8.3 MB, 9 minutes)