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National Medical Laboratory Professionals Week is April 22-28

ASM is a supporter of National Medical Laboratory Professionals Week and is providing three simple suggestions to enhance your Lab Week experience.

Inform friends/family about tests you perform - Read More

CSI Las Vegas. Beware with Aureobasidium

Video fragment of the episode "Let the seller beware" from CSI Las Vegas (third season). The presence of the fungus Aureobasidium pullulans in a crime scene helps Grissom and his boys to resolve the case. Here we can found some of the science behind that TV episode
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HAART has potential to diminish mother-to-child HIV transmission in cost-effective manner

A new paper publish in PLoS One concludes that programs that optimize adherence to highly-active antiretroviral therapy (HAART) through direct observation in pregnancy have the potential to diminish mother-to-child HIV transmission in a highly cost-effective manner. Read More

TWiV 282: Tamiflu and tenure too

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Hosts:  Read More

Boost for Efforts to Prevent Microbial Stowaways on Interplanetary Spacecraft

Efforts to expunge micro-organisms from spacecraft assembly cleanrooms, and the spacecraft themselves, inadvertently select for the organisms that are often the most fit to survive long journeys in space. This has the risk of thwarting the goal of avoiding contaminating other celestial bodies, a... Read More

Jay Keasling -Engineering Microbes to Produce Fuels

Jay Keasling, CEO of the Joint BioEnergy Institute, delivers the opening keynote on March 24, 2010 at the 5th Annual DOE JGI User Meeting. Read More

TWiV 360: From Southeastern Michigan

Hosts: Vincent Racaniello and Kathy Spindler

Guests:  Read More

Protected by Ice, RNA Could Generate, Evolve Into Life

Abstract - A crucial transition in the origin of life was the emergence of an informational polymer capable of self-replication and its compartmentalization within protocellular structures. We show that the physicochemical properties of ice, a simple medium widespread on a temperate early Earth,... Read More

Cell Organization and Cell Motility (Part 1) by Julie Theriot

This lecture covers the biochemical basis of actin-based motility (focusing on the pathogen Listeria as a model system for this process), the biophysical mechanism of polymerization-based force generation, and an evolutionary perspective of cell shape in prokaryotes and eukaryotes. The first par... Read More

TWiV special: MERS-coronavirus in dromedary camels

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.

Host: Vincent Racaniello

Guests: Read More

TWiP 65 letters


Perry writes:

Greetings Vincent and Dick,

Hooray for finally mentioning G. pulchrum in episode 62, my most favorite parasite and one worthy of further discussion. As a diagnostic veterinary pathologist, I encounter this spirurid in approximately... Read More

E.O. Wilson: Help build the Encyclopedia of Life

As noted entomologist E.O. Wilson accepts his 2007 TED Prize, he makes a plea on behalf of his constituents, the insects and small creatures, to learn more about our biosphere. Wilson states that as we're still discovering tiny organisms indispensable to life we're steadily, methodically, and vi... Read More

Medical University of South Carolina Swine Flu Resources

MUSC has put together a nice page of Swine Flu related resources and FAQs. Read More

CDC: Swine Flu & You

Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza viruses that causes regular outbreaks in pigs. People do not normally get swine flu, but human infections can and do happen. Swine flu viruses have been reported to spread from person-to-person, but in the pa... Read More

A retrovirus makes chicken eggshells blue

When you purchase chicken eggs at the market, they usually have white or brown shells. But some breeds of chicken produce blue or green eggs. The blue color is caused by insertion of a retrovirus into the chicken genome, which activates a gene involved in the production of blue eggs. Read More

TWiV 306: This Week in Ebolavirus


The Grand Masters of the TWiV discuss Ebola virus transmission, air travel from West Africa, Ebola virus infectivity on surfaces, the Dallas Ebola virus patient, and Ebola virus in dogs.

Hosts:  Read More

Milestones in Microbiology at Cold Spring Harbor Laboratory

Last week I was at Cold Spring Harbor Laboratory to attend a ceremony designating the well-known laboratory on Long Island as a Milestone in Microbiology site. The purpose of this program, which is administered by the American Society for Microbiology, is to recognize institutions that have subs... Read More

TWiV 59

Nick writes:

I’m a bit behind in my Twiv listening, but I’d like to comment on something you said in Twiv 47. You have reminded us several times in the past that “viruses are not alive” and you embellished on this during Twiv 47 by saying that if they are not alive, they can’... Read More

Activation of a Macrophage by an Effector T Lymphocyte

Major histocompatibility (MHC) molecules enable T lymphocytes to recognize epitopes of antigens and discriminate self from nonself. Unlike B-cell receptors on B lymphocytes that are able to directly bind epitopes on antigens, the T-cell receptors (TCRs) of T lymphocytes can only recognize epitop... Read More
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