The enzymes that make copies of the DNA or RNA genomes of viruses – nucleic acid polymerases – can be placed into two broad categories depending on whether or not they require a primer, a short piece of DNA or RNA, to get going. The structure of the primer-independent RNA polymerase of hepatitis... Read More
ASM's Cultures magazine traveled to Colombia to speak ... Read More
This episode: Gut microbes may induce an immune response that protects against malaria!
(10.2 MB, 11.2 minutes)
Viruses can be broadly classified according to whether or not the particle is enveloped – surrounded by a membrane taken from the host cell – or naked. Some naked viruses apparently are more modest than we believed. Read More
Matt Daugherty writes:
I just listened to the latest TWiM. Thanks for covering our horizontal gene transfer paper! It was great to hear you all talk about it and give your thoughts.
With regards to the selective pressure for retention of the Dae’s in genomes o... Read More
This episode: When digesting wood, shipworms outsource their microbial symbionts from gut to gills!
(9.7 MB, 10.6 minutes)
Vincent, Dickson, and Daniel explain how trypanolytic factor forms membrane channels to lyse trypanosomes, and present a new case study.
This is fun, and although I'm sure someone will gripe about Dicksons enthusiastic response to the crayfish, it made my life easier. I think it's Paragonimus kellicoti. As for eating raw crayfish; how drunk... Read More
This episode: Microbes in the human gut seem to prevent/inhibit cholera!
(10.5 MB, 11.5 minutes)
My experience with Foldscope, the paper microscope. See the images of insects, parasites, vegetal and animal tissues and cells, yeast, bacteria and (almost) virus (the cytopathic effect), with Foldscope, the paper microscope (text in Spanish). Read More
This episode: Bacteria living in plants seem to be contributing to plants' nutrition, possibly reducing the need for fertilizer!
(17.5 MB, 19.15 minutes)
Seth Mnookin, an assistant professor of science writing and associate director of MIT's Graduate Program in Science Writing, is the author of "The Panic Virus: The True Story Behind the Vaccine-Autism Controversy", an acclaimed book that examines how inaccurate scientific reports linking vaccine... Read More