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Stars and Stripes #agarart2015

Stars and Stripes
BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve stripes are Staphylococcus aureus, a bacteri... Read More

Dragonfly #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve part of the dragonfly is Staphylococcus aureus, a bacterium fre... Read More


One semester someone unplugged the -70oC freezer used to store my bacterial cultures so I had to streak each culture out to see if it was still viable and make more stocks. Now I had 50 or so plates and was wondering what to do with all these cultures and how to turn something bad into something... Read More

Lyme disease testing: Canadians may receive false-positives from some US labs

Lyme disease is becoming increasingly common in Canada, and Canadians with Lyme disease symptoms may seek diagnoses from laboratories in the United States, although many of the results will be false-positives, according to a commentary in CMAJ (Canadian Medical Association Journal). Read More

Probiotics show no impact preventing gastrointestinal colonization with drug-resistant bugs

Probiotics show no benefit for preventing or eliminating gastrointestinal colonization with drug-resistant organisms in patients in the intensive care unit compared to standard care, according to new research published online today in Infection Control & Hospital Epidemiology, the journal of the... Read More

Butterfly #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve part of the butterfly is Staphylococcus aureus, a bacterium fre... Read More

New Data on RVX-28’s Function in Reducing CVD Risk Was Presented At ESC Congress This Year

BOC Sciences-Dr. Norman Wong, a scientific chief officer from Resverlogix Corp. made a presentation at the ESC Congress 2015 on RVX-28 inhibitor, functioning on lowering the CVD risk, in which new data were presented to further enhance the mechanism of RVX-28 on the reduction of CVD risk in adve... Read More


A Moderately selective differential media, Hektoen is being used in the isolation Gram negative enteric pathogens ,Particularly Salmonella and Shigella.Bile salts inhibits Gram positive and some non-pathogenic Gram negative organisms making the media partially selective.Lactose,sucrose and sali... Read More

Portraits of Microbiologists Using Luminous Bacteria as "Paint."

My wife Jennifer Quinn​ hits it out the park: a portrait of Kenneth Nealson​ and the late Woody Hastings "painted" with luminous bacteria, giving them props for the early days of quorum sensing---where the basic principles were first uncovered in bioluminescent microbes. This principle of "aut... Read More

Circle of Microbes

Diverse types of microbial growth with different phenotypes on MRSA Brilliance agar. Air sample was collected from experimental animal house with special air sampler and plated onto MRSA agar for Methicillin resistant Staphylococcus aureus enumeration. It was incubated at 37 degree Celsius for 2... Read More

Infection with multiple HIV-1 variants leads to poorer clinical outcomes

HIV-1 infection with multiple founder variants points to poorer clinical outcomes than infection with a single variant, according to a paper published today in the journal Nature Medicine. Read More

Oysters harbor, transmit human norovirus: Avoid raw ones

Washington DC - August 28, 2015 - Oysters not only transmit human norovirus; they also serve as a major reservoir for these pathogens, according to research published August 28 in Applied and Environmental Microbiology, a journal of the American Society for Microbiology. "More than 80 percent of... Read More

BacterioFiles 227 - Microbe Menaces Meningitis

This episode: Colonizing ourselves with friendly bacteria could drive out more risky ones, such as those that cause meningitis!

(9.8 MB, 10.6 minutes)

Show notes: 
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"Never Really Alone" with Rob Dunn

As part of my freshman writing seminar in the Fall of 2014, I was fortunate to have a number of fascinating experts in symbioses and parasitism be willing to "televisit" my students. Here is Dr. Rob Dunn of North Carolina State University, discussing his laboratory's work with Demodex face mite... Read More

Interesting morphology on finger tip

Close up of an unwashed finger, print done by a student. The student later informed me that part of his job in the morning was feeding chickens on the farm. Read More

Colorful cluster of Bacteria

Colorful cluster of bacteria seen on a palm print. Possible Bacillus, Staph, Micrococcus, Serratia and yeast. Read More

Five minutes basic lab training

This basic lab-training image was captured from the wall sticker of Clinical Microbiology Laboratory, Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark. Read More

Harvest Season

Saccharomyces cerevisiae is a species of yeast. It is the active agent responsible for our most basic foods - bread, wine, and beer since ancient civilizations. It has been long since humans have tried to understand how to make them more productive. However, it was not until the Genomic Era that... Read More

Cell to Cell

Bacteria were 'painted' on agar and sealed in epoxy. Work by Maria Penil in the Berkmen lab Read More

HIV testing among older adults is declining, despite CDC recommendation

Researchers led by the UCLA Fielding School of Public Health examined HIV testing trends among adults ages 50 through 64 both before and after 2006, when the Centers for Disease Control and Prevention (CDC) recommended that most doctors automatically screen all patients for HIV regardless of whe... Read More
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