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TWiV 181 Letters

Spencer writes:


I would like to propose the book:


Netter's Infectious Diseases, 1e as a lis... Read More

TWiM 2 Letters

Barbara Hyde writes:

In the discussion of copper, it should be noted that copper has long been added to marine bottom paints as an anti-fouling agent. Now however there is concern about deleterious environmental effects from its leaching out into the waters.

Barb... Read More

Antigen Switching in Malaria - A Classroom Activity

High school students and their teachers participate in a simple activity to demonstrate the interaction between the var antigens malaria parasites display and the patient's immune system. Read More

TWiV 142: Viral oinkotherapy

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Hosts: Vincent Racaniello, R... Read More

TWiP 17 Letters

Bjorn writes:

Hi Vincent and Dickson,


I want to correct a statement you made in the trypanosomes episode. Apolipoprotein L-I in human blood kills only the subspecies Trypanosoma brucei brucei, whereas the East African subspecies Trypanosoma brucei rhodesiense and the... Read More

All about oomycetes - fine reading

The Small Things Considered blog has just started a three-part series on oomycetes, also known as water molds.

The first piece (published today) describes oomycete biology, the other two will focus on a particular oomycete: the late potato blight pathogen.

Here's a clip:

"As you know, ... Read More

TWiV 188 Letters

Judi writes:


To our TWIV leaders!


If you have a mac with Apps, please go to the app store and download cell images.... I think you'll have a great time going through them.


One other thing - I listened to your show on science reform with interest but I ... Read More

A spike for piercing the cell membrane

Some viruses that infect bacteria (bacteriophages) deliver their DNA into the host cell with an amazing injection machine. The tailed bacteriophages (such as T4, illustrated) store their DNA in a capsid attached to a long tail tube that is surrounded by a sheath. At the bottom of the tube is a b... Read More

TWiP 29 Letters

Dylan writes:

Dear Professors Racaniello and Depommier,


I hope this email finds you both in good health. I am a second year medical student from Ireland studying at the University of Cambridge, UK and I have been following the TWiP series with considerable interest... Read More

The Human Lake

Science writer Carl Zimmer writes a masterful blog piece tracing the history of the study of ecosystems, from lakes to the human microbiome. Just one interesting fact: In their lifetimes, individual humans will produce about five elephants worth of microbes. Read More

TWiP 26 Letters

Jim writes:

Prof Dickson,


Does the same concern that you discussed with suppressed immunity after a transplant apply to folks who undergo chemotherapy for cancer? (re strongyloides)


Jim
Smithfield, VA


Spencer writes:


Hi V... Read More

Tiny snow-makers

The Judges' Choice for The Scientist magazine's 2011 Labby Multimedia Awards is this cute video on how microbes are essential for snow formation.













Read More

A new target for hepatitis C virus

When infection with hepatitis C virus goes from acute to chronic, severe liver disease may occur which requires organ transplantation. Nearly 200 million people are chronically infected with HCV, necessitating approaches to preventing and treating infections. No HCV vaccine is available, and cur... Read More

Are there viruses of arsenic-utilizing bacteria?

A salt-loving (halophilic) bacterium which can grow in medium containing arsenic instead of phosphorus has been selected from the microbial community of Mono Lake in California. Arsenic (As) is a chemical analog of phosphorus and is usually toxic because it can enter metabolic pathways in the pl... Read More

A mad cow in America

A dairy cow in California is the fourth known American case of mad cow disease, which is caused by prions, infectious agents composed only of protein (the story hit the press the day after my lecture on this type of illness). Unlike viruses, prions have no nucleic acid and no protective coat. Bu... Read More

Ferreting out influenza H5N1

A laboratory in the Netherlands has identified a lethal influenza H5N1 virus strain that is transmitted among ferrets. These findings are under review by the National Science Advisory Board for Biosecurity (NSABB) to ensure that they do not constitute a threat to human health. Meanwhile both the... Read More

TWiV 180 Letters

Rohit writes:


Hi Dr Racaniello,


I am a long time listener of TWIV and really enjoy the informal scientific discussions. I listen to TWIV while working in the lab and am trying to catch up on TWIM and TWIP episodes too.


I have been dill... Read More

TWiV 152: Viromes in the effluence of society

Unable to embed Rapid1Pixelout audio player. Please double check that:  1)You have the latest version of Adobe Flash Player.  2)This web page does not have any fatal Javascript errors.  3)The audio-player.js file of Rapid1Pixelout has been included.

Hosts: Vincent Racaniello, Al... Read More

TWiV 87 Letters

James writes:


Dear TWIV,


I've really enjoyed hearing about the paths you and your guests took to enter the fields of virology and parasitology.


I was wondering if Dr. Dove could talk for a few minutes about how and why he decided to transition into sci... Read More

TWiV 140 Letters

from @Lafrenchfille on Twitter:


French listen to your very cool podcast. So I can confirm, "Mimi" is french !


Peter writes:


Regarding the podcasting advice from the fellow in Israel.


Explain st... Read More

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