The days when antibiotics worked reliably and scientists could assume they worked directly—like popping a balloon—are fading. As resistance mounts, understanding how antibiotics really work could be the key to sustaining their efficacy. Read More
Marine bioluminescent Photobacterium kishitanii
The genus Photobacterium was first coined by Martin Beijerinck, in 1889, and originally referred to all bacteria capable of light production. Species belonging to Photobacterium are gram negative, rod shaped, chemoorganotrophic, facultative aerob... Read More
Young sibling polyps of staghorn coral (Acropora millepora) three days after settlement. In a National Science Foundation-supported study, researchers found that the ability to fluoresce may influence whether or not the coral settle on the reef of their origin or disperse, and go elsewhere.
M... Read More
Phytoplankton may be microscopic, but that doesn’t mean we can’t see them. Just look up: These little critters are brightening up cloudy days around the world. Read More
Philadelphia artist Kate Kaman (www.katekaman.com) has designed a dynamic larger-than-life sculptural depiction of the most plentiful and ancient microscopic life forms -- bacteria. Suspended throughout an area measuring approximately 130 feet long, 27 feet wide and 41 feet tall, “The Unseen Wor... Read More
Prions are fascinating, enigmatic, and might teach us not only about rare prion diseases like Creutzfeld-Jakob disease, mad cow disease, or scrapie, but also about other more common neurodgenerative diseases. Two studies published on July 2nd in PLOS Pathogens report progress with novel tools an... Read More
Infected guinea pig eye Shigella - Sereny test Read More
Scientists are one step closer to understanding how a normally harmless fungus changes to become a deadly infectious agent. Read More
Slime production by Staphylococcus epidermidis on Congo Red agar; demonstrated by black colored colonies. Slime production is one of the most important virulence factors produced by Coagulase negative Staphylococci.
The colonies of slime non-producing strains remain pink to red.
Mmmmm, kinda looks like couscous right?
Well, though it might resemble a tasty side dish that's beloved in the Maghreb, it's actually a gnarly bacteria that causes URI's (upper respiratory infections) in both humans & animals.
Humans can prevent it by refraining from drinking unpasteurized mil... Read More
Taking pics of my dog. Recently diagnosed with Strongyloides but no better after treatment.any suggestions? Read More
Pseudomonas aeruginosa isolated from sputum into department of Microbiology - Riuniti Hospital Reggio Calabria .
This strain of Pseudomonas secretes brown/black extracellular pigment: pyomelanin.
Photo from D'Aleo Francesco archive. Read More
BLOOMINGTON, Ind. -- Health experts have warned for years that the overuse of antibiotics is creating "superbugs" able to resist drugs treating infection. Read More
Electron micrograph of type 4 Streptococcus pneumoniae adherent to pharyngeal epithelial cell Read More
Germaphobes, maybe you're on to something.
Sickness-causing bacteria and viruses can lurk on surfaces long after they're expelled in an infected person's sneeze or snot. Some can even stay on a surface for months, given the right conditions. While the ability of these microorganisms to actual... Read More
In this third installment of my "Mu-Tube" video series about microbiology and microbiology education, I discuss how I was initially labeled a "microbial supremacist" as a joke, and then embraced the title with enthusiasm. I also show many examples of the microbiology-related art I use to encour... Read More
To better understand the importance of gut bacteria in human health, researchers measured the time it takes food to move through the gastrointestinal tract, called gut motility, in mice—in a way that mimics the dietary effects of world travel. Read More
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