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TWiM 97 Letters


Dennis writes:
hi Doc,


A paper just published in nature:


http://www.nature.com/nature/journal/vaop/ncurrent/pdf/nature14098.pdf


reports an effective antibiot... Read More

Cyanobacterium found in algae collection holds promise for biotech applications

Cyanobacteria could serve as a synthetic biology chassis that could be retooled for the production of biofuels, drugs or chemcials. So far, however, they have been held back by sluggish growth that makes it difficult to conduct the initial experiments needed to characterize their genetic and met... Read More

BacterioFiles 200 - Converted Clostridium Consumes Carbon monoxide

This episode: Carbon monoxide-eating bacteria get modified to produce more useful products!


(16 MB, 17.5 minutes)


Show notes: 
Journal Paper


... Read More

A Possible Treatment for Peanut Allergies

More than 15 million people in the United States live with food allergies that impact every meal they eat. For some, accidentally ingesting a snack that their body deems taboo can ignite a violent biological response. Every three minutes someone is rushed to the emergency room due to a food alle... Read More

Meet Dr. Armpit, Changing Body Odor With Bacteria

Here’s an undeniable fact: In samples collected from seven of New York’s subway platforms, scientists discovered that we're surrounded in plumes of microbes wafting off other people’s skin. Here’s another undeniable fact: Those bacteria colonize all of our glands and follicles and the entire epi... Read More

Green tea ingredient may target protein to kill oral cancer cells

A compound found in green tea may trigger a cycle that kills oral cancer cells while leaving healthy cells alone, according to Penn State food scientists. The research could lead to treatments for oral cancer, as well as other types of cancer.

Earlier studies had shown that epigallocatechin-3... Read More

Gut Bacteria Byproduct Linked to Chronic Kidney Disease for the First Time

Cleveland Clinic researchers have, for the first time, linked trimethylamine N-oxide (TMAO) – a gut metabolite formed during the digestion of egg-, red meat- or dairy-derived nutrients choline and carnitine – to chronic kidney disease.

TMAO has been linked to heart disease already, with blood... Read More

Obama tells parents to get kids vaccinated to stem measles

President Barack Obama is urging parents to get their children vaccinated in the face of a measles outbreak that has infected more than 100 people in the United States.

He said that while he understood there were families concerned about the effect of vaccinations, he said the science was "pr... Read More

Ebola Drug Trial Is Halted for Lack of Patients

A clinical trial in Liberia of a drug to treat Ebola has been halted because of a sharp decline in the number of people infected with the virus, and studies in West Africa of other potential treatments are also facing problems finding patients.

The halted trial was testing the antiviral drug ... Read More

Fun Agar Drawings: Chromobacterium violaceum, Staphylococcus aureus

Isolate: Chromobacterium violaceum, Staphylococcus aureus
Agar: Mueller Hinton Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature
Created by: Michelle Vu, Research Associate, BS Microbiology

Pictured is Chromobacterium violaceum and Staphylococcus aureus shaped in a... Read More

Chromobacterium violaceum, Staphylococcus aureus

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum, Staphylococcus aureus
Agar: Blood Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature

Pictured is Chromobacterium violaceum and Staphylococcus aureus shaped in a valentin... Read More

Lab Agar Drawings: Chromobacterium violaceum shaped into Biohazard Symbol

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum
Agar: Mueller Hinton Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature

Pictured is Chromobacterium violaceum shaped in a biohazard symbol. This drawing was done at a mic... Read More

Chromobacterium violaceum, Staphylococcus chromogenes, Staphylococcus aureus, Staphylococcus epidermidis

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum, Staphylococcus epidermidis, Staphylococcus aureus
Media: Blood Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature


Pictured is Chromobacterium violaceum, Staphylococcus... Read More

Interview of Dr. Vincent Racaniello - Journey with Virus

Dr. Vincent Racaniello is the Higgins Professor of Microbiology and Immunology at the college of Physicians and Surgions of Columbia University. Along with his academic research, he is known for expanding knowledge with great contributions through his virology blog virology.ws, and his wide podc... Read More

Exophiala dermatitidis

Beatrice Rogolino, BS, M.Sc has isolated from stool this mould into department of Microbiology - Riuniti Hospital Reggio Calabria . Photo of D'Aleo Francesco BS, M.Sc Read More

Fungal contaminant close up

Fungal contaminant, presumably airborne, seen on a TSA plate after 1 month at refrigerated temperatures. Close up image highlights exudate, water droplets due to respiration. Read More

Fungal Contaminant

Fungal contaminant, presumably airborne, seen on a TSA plate after 1 month at refrigerated temperatures. White hyphal growth and exudate, water droplets due to respiration, can be seen through the colony. Read More

Shoe Swab

Unknown organism isolated from a swab taken off the bottom of a shoe. Students were asked to swab something in the classroom. One swab was done on the bottom of a shoe and incubated on a TSA plate for 48 hrs at 37 degree’s C. The organism was difficult to scrape so a small chunk of the organis... Read More

TWiV 322: Postcards from the edge of the membrane

Hosts: Vincent RacanielloDickson DespommierAlan Dove, and  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
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