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BacterioFiles 218 - Parasitoids Pass Protective Prokaryotes

This episode: Parasitoid wasps spread helpful bacterial symbionts between their whitefly prey!


(10.9 MB, 11.9 minutes)


Show notes: 
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The Hand Microbiome: Your Real DNA Fingerprint

In the past 100 years we’ve learned that each one of us has unique fingerprints, and unique DNA sequences. Now through the Human Microbiome Project, we’re learning that every one of us has a unique and identifiable bacterial community not only inside of us, but also growing on our skin as well.... Read More

Archaea of Note


  • Lobus fulgidus is a sulfur-reducer that can sour oil wells.

  • Halobacteria are salt-loving microbes that give a pink tinge to salt water evaporation ponds, the Dead Sea and salted fish.

  • Pyrolobus fumarii led scientists to extend the upper te... Read More

TWiV 321: aTRIP and a pause

Paul Duprex joins the TWiV team to discuss the current moratorium on viral research to alter transmission, range and resistance, infectivity and immunity, and pathogenesis.


Hosts: Vincent Racaniel... Read More

A bug in a bug in a bug

Via Small Things Considered - Click "source" for more.

"Rattling around inside my head for some time has been the reported discovery that there are bacteria that live within other bacteria. To me, this is an honest-to-goodness gee-whiz piece of microbial lore. Made me wonder why the story had... Read More

TWiP 82 letters


Allan writes:


Dear Vincent, Dickson and Daniel,


I like your idea of a TWIP coffee mug prize (or maybe a mug discount).


In this second case study you presented, the present symptoms are pretty vague, but his history is interesting. Also since with ... Read More

El podcast del Microbio Nº 270 y 271: Maternidad viral (Viral Motherhood)




























El podcast del Microbio Nº270 and 271 are an Spanish language adaptation of Carl Zimmer's article: "Mammals made by viruses" (... Read More

The Immortal Life of Henrietta Lacks

Shortly after I wrote about my years of experience with HeLa cells, I was contacted by author Rebecca Skloot. One of her many questions was how I knew that I had produced 800 billion HeLa cells in my laboratory over 26 years. I learned that she was writing a book about Henrietta Lacks, whose tum... Read More

Classifications: What Difference Does it Make?

Does a bacterium’s cell wall, shape, way of moving, and environment really matter?

Yes! The more we know about bacteria, the more we are able to figure out how to make microbes work for us or stop dangerous ones from causing serious harm. And, for those of us who like to ponder more philosop... Read More

Smartphone adapted for use as a video microscope to detect parasites in blood in under resourced communities

This is a good news story all around. UC Berkeley engineers, Michael D'Amrosio and Matthew Bakalar (UC Berkeley Bioengineering) with medical personal from NIAID, Dr. Thomas Nutaman and his collaborators from Cameroon and France collectively took the omni-present global resource, a standard smar... Read More

TWiV 270: Homeland virology

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Hosts: Vincent Racaniello and Rich Condit Read More

A system‐level model for the microbial regulatory genome

Microbes can tailor transcriptional responses to diverse environmental challenges despite having streamlined genomes and a limited number of regulators. We present data‐driven models that capture the dynamic interplay of the environment and genome‐encoded regulatory programs of two types of prok... Read More

Microbiology Education and Social Media

At the Spring 2010 meeting of the Society for General Microbiology In Edinburgh Vincent Racaniello spoke about ‘Social Media in Microbiology Education and Research’. In his presentation he gives a comprehensive overview of how he uses these new communication tools to promote the science of virol... Read More

El Podcast del Microbio Nº 349: Fagos contra Salmonella (Phages against Salmonella)



























El podcast del Microbio Nº 349 summarize the article by Bardina et al published in Applied and environmental microbiology on the use of phages for reducing Salmonella colonization in poultry. El podcas... Read More

July 2011 Microbe Feature article

In this month's Microbe magazine, now online,Janet Jannson, a Professor and Senior Staff Scientist in the Ecology Department, Earth Sciences Division, of Lawrence Berkeley National Laboratory explains how microbial ecologists are taking a metagenomics approach to analyze complex and diverse soil... Read More

Dr. Francis Su's View on "Grace" in Teaching---A MUST Read!

Dr, Francis Su is a mathematician at Harvey Mudd College in Southern California. Last week, he was honored with the prestigious Haimo Teaching Award of the Mathematics Association of America at the Join Math Meetings in San Diego. His acceptance speech is inspiring to any educator and any stud... Read More

Use of adjuvants in H1N1 vaccine is cited as main reason for low vaccination rates for health care workers in Germany

"The emergence of the influenza A(H1N1)2009 virus provided a major challenge to health services around the world. However, vaccination rates for the public and for healthcare workers (HCWs) have remained low. We performed a study to review the reasons put forward by HCWs to refuse immunisation w... Read More

Preventing the Flu: Good Health Habits Can Help Stop Germs

Common sense information from the CDC on how you can prevent flu transmission and prevent getting sick yourself. Read More

A single amino acid change switches avian influenza H5N1 and H7N9 viruses to human receptors

Two back-to-back papers were published last week that provide a detailed analysis of what it would take for avian influenza H5N1 and H7N9 viruses to switch to human receptors. A single amino acid change in the viral hemagglutinin protein is sufficient to quantitatively change binding of the viru... Read More

TWiV 325: Wildcats go viral

Hosts: Vincent Racaniello


Guests: Rollie Clem and Lorena Passarelli


{audio... Read More

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