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Harmless bacteria may be helpful against meningococcal outbreaks

Nasal drops of harmless bacteria can inhibit a related bug that sometimes causes meningococcal disease, according to new findings published online in Clinical Infectious Diseases. The study--conducted among college students, a group at higher risk for this often serious illness--suggests a new a... Read More

Serratia flowers

Serratia marcescens can form brilliant red colonies on LB agar due to the synthesis of the secondary metabolite prodigiosin. In the Microbiology teaching lab, we had students create pigment mutants of S. marcescens and these lovely shades of pink and white were collected for analysis. Read More

Common Parasite Could Manipulate Our Behavior

Look what the cat dragged in! The parasite Toxoplasma gondii, a common protozoan transmitted by cats, can effect mammalian brain cells in strange ways. In rodents, the parasite has been shown to inhibit fear and actually attract them to the smell of cat urine. Humans can be infected through c... Read More

BacterioFiles 208 - Discovering Dietary Dwellers

This episode: Dr. Angela Zivkovic discusses the microbes present in our food!


(21.6 MB, 23.6 minutes)


Show notes: 
Journal Paper


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Surfwear founder’s charity backs UQ researcher in superbug war

A University of Queensland researcher waging a war on antibiotic-resistant bacteria has been awarded a $360,000 fellowship from a charitable foundation established by the businessman who founded the Billabong surfwear company. Read More

Out of a pickle

For centuries - millenia even - people have learned to harness the power of microbes such as bacteria, yeasts, and other fungi for the purpose of improving the quality of foods. Some have been employed (accidentally or intentionally) to enhance flavor (i.e. cheeses, breads) while others have be... Read More

Klebsiella pneumoniae on blood agar

Klebsiella pneumoniae grown on blood agar for 48 hrs at 37 degree's C. Read More

E. coli design on MacConkey

These are two harmless lab strains of E. coli. One can ferment the sugar lactose into acidic byproducts and the other cannot. MacConkey media contains an indicator dye that turns from red to yellow when the pH is raised. The four pink streaks were drawn with a culture of the lactose fermenter (t... Read More

Here's What Would Really Happen If You Stopped Bathing

You've probably gone a few days without showering -- maybe a week. But let's say you don't bathe for days on end -- as in you use no soap, no water, no nothing.

What would happen?

Click "source" to find out. Read More

HIV can spread early, evolve in patients' brains

The AIDS virus can genetically evolve and independently replicate in patients' brains early in the illness process, researchers funded by the National Institutes of Health have discovered. An analysis of cerebral spinal fluid (CSF), a window into brain chemical activity, revealed that for a subs... Read More

A protein platform for priming

The enzymes that make copies of the DNA or RNA genomes of viruses – nucleic acid polymerases – can be placed into two broad categories depending on whether or not they require a primer, a short piece of DNA or RNA, to get going. The structure of the primer-independent RNA polymerase of hepatitis... Read More

Facebook Groups Italian Microbiology - Microbiologi Italiani

The italians microbiologists are online on Facebook with this new group where they can talk about concerns all microbiology areas. Our aim is to link whole the microbiologists and to create a network for exchange of ideas and materials. We post photos from our laboratory works, we post some pape... Read More

MALDI-TOF and the Clinical Microbiology Laboratory

In this interview, Dr. Robert Jerris, Director of Clinical Microbiology at the Children’s Healthcare of Atlanta Pediatric Hospital, discusses his experiences in implementing and using the MALDI Biotyper for clinical diagnostics use. In part one of our interview, Dr Jerris explains how this techn... Read More

TWiP 86: Worms Loa the immune response to mycobacteria

Vincent, Dickson, and Daniel discuss how filarial infection modulates the immune response to mycobacterial infection, and reveal a new case study.


Hosts: Vincent Racaniello Read More

Anglo Saxon remedy kills hospital superbug MRSA

A strange concoction of foods and wine seem to rival the efficacy of currently used antimicrobials in hard-to-treat skin infections, such as MRSA. When combined properly, cow bile salts, wine, garlic, leeks, and copper were as effective as Vancomycin in eliminating all soil bacteria introduced ... Read More

Computational model simulates bacterial behavior

University of Notre Dame applied mathematician Mark Alber and environmental biotechnologist Robert Nerenberg have developed a new computational model that effectively simulates the mechanical behavior of biofilms. Their model may lead to new strategies for studying a range of issues from blood c... Read More

TWiV 330: A swinging gate

Hosts: Vincent RacanielloDickson DespommierAlan Dove Read More

Survey of Salmonella Species in Staten Island Zoo’s Snakes

For humans, Salmonella is always bad news. The bacterial pathogen causes paratyphoid fever, gastroenteritis and typhoid. But for snakes, the bacteria aren’t always bad news. Certain species of Salmonella are a natural part of the snake microbial collective. However, the occasional species can ca... Read More

IS ‘TASTIER’ RAW MILK WORTH THE RISK?

A recent study shows that consumption of unpasteurized milk significantly increases the risk of food-borne illness, which can be severe or even fatal in some cases. The scientific consensus points to a lack of knowledge of the 'benefits' of consuming raw milk, and an abundance of peer-reviewed... Read More

Antimicrobial (Drug) Resistance

The antibiotic Colistin, which was approved in the 1950's, is now being used as a 'last resort' against multidrug-resistant Gram-negative bacterial infections, despite its nephrotoxic potential. The study, conducted by an international team of NIAID-funded researchers, found that the drug remai... Read More
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