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TWiV 333: Naturally curious chimeras

Host: Vincent Racaniello


Guests: Ben Fensterheim, Megan Freeman, Bobak Parang, and Meredith Rogers


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Vincent... Read More

Viroids, infectious agents that encode no proteins

Genomes of non-defective viruses range in size from 2,400,000 bp of dsDNA (Pandoravirus salinus) to 1,759 bp of ssDNA (porcine circovirus). Are even smaller viral genomes possible? The subviral agents called viroids provide an answer to this question.

Viroids, the smallest known pathogens, ar... Read More

Borrelia burgdorferi / host interactome

Referenced dataset of host/pathogen interactions for Borrelia burgdorferi: linked to Kegg pathway interactome analysis Read More

ASM GM 2014 - The Potential Role of Gut Microbes in Autism

Most gut bacteria are beneficial, aiding food digestion, producing vitamins, and protecting against harmful bacteria. If left unchecked, however, harmful bacteria can excrete... Read More

asm2014: Five Things Not to Miss at ASM’s 114th General Session

You don’t want to miss asm2014. We’ve compiled a list of five things not to miss at the 114th American Society for Microbiology General Session.

Click the "source" link or copy/paste this URL into your browser: http://blog.puritanmedproducts.com/bid/383376/asm2014-Five-Things-Not-to-Miss-at-... Read More

Satellites - the viral kind

Satellites are subviral agents that differ from viroids because they depend on the presence of a helper virus for their propagation. Satellite viruses are particles that contain nucleic acid genomes encoding a structural protein that encapsidates the satellite genome. Satellite RNAs do not encod... Read More

Covering up a naked virus

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

Measles in the brain: Fusion gone awry

The entry of enveloped viruses into cells begins when the membrane that surrounds these virus particles fuse with a cell membrane. The process of virus-cell fusion must be tightly regulated, to make sure it happens in the right cells. The fusion activity of measles viruses isolated from the brai... Read More

Magical Monsoon:rAiNs and Geosmin

A Geosmin Story:
A Musty / Muddy smell - the earthy odour after a heavy spatter of rain is aesthetic to senses.
A poet sitting in such ambiance lets his thoughts to wander randomly and comes out with a sweet piece of write up.
An Artist can do wonders on his canvas flowing with the mood.
Man... Read More

Mineralization of sand particles boosts microbial water filtration

Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking, according to a paper published ahead of print in Applied and Environmental Microbiology. These findings resoundingly refute, for the first time, the... Read More

Infectious agents with no genome

If the reader does not believe that viroids and satellites are distinctive, then surely prions, infectious agents composed only of protein, must impress.

The question of whether infectious agents exist without genomes arose with the discovery and characterization of infectious agents associat... Read More

Report on Viruses Looks Beyond Disease

Recently, the American Academy of Microbiology released a new report, Viruses Throughout Life & Time: Friends, Foes, Change Agents that delves into the origin of viruses, the overlooked biological and microbial ecological role of viruses, and how these live forms have contributed to evolution. T... Read More

Should you consider attending ASM 2015 this spring?

The general program for the 2015 American Society of Microbiology meeting in New Orleans is out, and registration is now open. The sessions look incredible, and I've listed them below as I imagine they might resonate with many of the readers of this blog. The bolded sessions look particularly in... Read More

ASM GM 2014 - Bacteria in Urine Could Cause Overactive Bladder

Contrary to popular belief, urine is not sterile and the bacteria in it may be associated with overactive bladder (OAB) in some women. Presenters will discuss their research ... Read More

TWiP 87 letters

 


Jan writes:


Hello doctors,


This was indeed not easy to Google; one of my attempts even had a dr oz page as one of search results. Clearly a dead end. However with some persistence I came up with Entamoeba Histolytica.
As for clean water; I ... Read More

Immunological Reaction of Poison Ivy - Explained Through Poetry

Immunology Explained Through Poetry - What happens when one touches a poison ivy?

Enjoy!

Billy was at summer camp,
And wanted to feel like a champ,
So he searched for a flower,
That would stop Susie’s glower,
But found poison ivy instead.

While Billy was later playing,
He had no i... Read More

Where Biology and Art Work Together in the Classroom

In this blog entry, I describe how working with the artist Katie McKissick ("Beatrice the Biologist") helped improve my freshman biology course. The intersection of biology and art benefits both! Read More

Viral genomes in 700 year old caribou scat

Recovering viral genomes from ancient specimens can provide information about viral evolution, but not many old nucleic acids have been identified. A study of 700 year old caribou feces reveals that viruses can be protected for long periods of time – under the right conditions. Read More

HeLa RNA is everywhere

The first immortal human cell line ever produced, HeLa, originated from a cervical adenocarcinoma taken from Henrietta Lacks. The cell line grew so well that it was used in many laboratories and soon was found to contaminate other cell lines. Now HeLa RNA has made its way into human sequence dat... Read More

My First Radio Interview About Teaching, Research, and Microbial Supremacy...

The great folks at "The People Behind the Science" interviewed me over Skype in late July, and the interview has just been released as a podcast. I discuss my path through science, my thoughts on teaching, research at undergraduate institution, and how to motivate and inspire students to strive... Read More
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