This episode: Attacking HIV using a related virus!
Viruses may be referred to often as the smallest infectious things. But there are some smaller contenders. Some of the agents of plant disease lack even a viral coat and are merely small strings of plain, or "naked," RNA. These particles are called viroids. They are believed ... Read More
In the Nº 100 of the "El podcast del microbio" I deal with Helicobacter pylori and its relationship in the origin of some tumors En el programa Nº 100 de "El podcast del microbio" se habla de la bacteria Helicobacter pylori y su relación como posible agente causal de diversos cánceres.
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For fours years I have taught a virology course at Columbia University and have posted videos of each lecture on my website, virology.ws, and at iTunes University. Nearly 100,000 individuals have subscribed to my virology course at iTunes University. Now Columbia has signed an agreement with Cou... Read More
For or Against the "Too Clean Theory?": An Infection Control Debate
I’m not sure that any one person is completely for or against the Too Clean Theory. The intention of this article is to bridge the gap between the wide spectrum of opinions by showing how responsibility and moderation ultima... Read More
When I began listening to TWIV almost a year ago, I had just switched majors from philosophy to biology. I am now writing to you good people at TWIM at the end of my first undergraduate summer research gig, where I have had qui... Read More
The CDC just released a Guillain-Barré syndrome fact sheet and addresses how they will be closely monitoring the safety of the 2009 H1N1 vaccine in relation to this illness. In 2003 The Institute of Medicine (IOM) conducted a thorough scientific review and concluded that people who received the ... Read More
Guest blogger for Small Things Considered Peter Setlow, Professor of Molecular, Microbial and Structural Biology at the University of Connecticut in Storrs, CT, has an eye-opening post about a recent paper, Read More
To my favourite scientists,
I am a high school student from Serbia and microbiology is my passion; I plan on going to university and studying it. I wanted to tell you both how much I enjoy the TWIP podcast! I especially enjoyed the one about tapeworms.... Read More
I'm sorry, I may have missed something, but the mechanism behind an effective vaccine is still unclear to me, since infection with F. tularensis does not confer protection. How would a vaccine work?
Katy Bosio replies:
In... Read More
Psi Wavefunction, an undergraduate in the Department of Botany, University of British Columbia, and the host of the blog Skeptic Wonder: Protists, Memes and Random Musings, has authored a guest post on Small Things Considered that looks at some confusing terminology associated with phylogenies:
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Dear Vincent and Dickson,
I just returned from the annual meeting of the International Society of Travel Medicine (ISTM) where I enjoyed many fantastic lectures and caught more Cutthroat Trout fly fishing the upper Snake River during one ev... Read More
This episode: Evolving bacteria to use a synthetic base in its DNA!
Materials scientist Jeffrey Brinker and his collaborators at Sandia National Laboratory in Albuquerque, N.M., have confined individual Staphylococcus aureus cells in vessels that consist of porous silica nanostructures. These structures isolate the cells physically and chemically from other cell... Read More
Dotplots are an extremely useful way of visualizing comparisons of small and large DNA sequences (as well as protein sequences), providing insight into the degree of similarity, deletions, insertions and direct and indirect repeats. In a dotplot, each nucleotide, or small window of nucleotides, ... Read More