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Some Flashy Bacteria

Want to impress your lab mates? Flash them with some Kocuria rhizophila and Lactobacillus casei on blood agar. Read More


Shortly after a baby’s birth, bacteria aren’t the only invaders to colonize the gut. Viruses move in, too, according to new research. Read More

Social yeast cells prefer to work with close relatives to make our beer, bread and wine

Baker's yeast cells living together in communities help feed each other, but leave incomers from the same species to die from starvation, according to new research from the University of Cambridge. Read More

DNase Agar

DNase agar can be used to differentiate between potentially pathogenic S. aureus and other Staphlococcus by looking for the presense of the exoenzyeme DNase. After growth for 24-48 hrs 1N HCL is added to the agar plate. Addition of HCL precipitates DNA in the media causing cloudiness unless t... Read More

Streptococcus pyogenes Bacitracin Test

Growth Inhibition of Streptococcus pyogenes by Bacitracin. Streptococcus pyogenes is sensitive to bacitracin and will not grow around the antibiotic-containing disc. The other beta hemolytic streptococci are not sensitive to bacitracin. Isolated of Beatrice Rogolino M.Sc - photo Francesco d'Aleo... Read More

Methylobacterium sp Biofilms

We can see different biofilms types in liquid medium. In the same order than the picture: Methylobacterium variabile Type Strain / Methylobacterium aquaticum NO00 / Methylobacterium aquaticum NO42 / Methylobacterium aquaticum Type Strain / negative control Read More

Micrococcus luteus

Micrococcus luteus grown on TSA for 96 hrs. Read More

E-coli on TSI

E-coli on TSI Read More


A gene that lets bacteria resist polymyxins—the last line of antibiotic defense we have left—has shown up in widespread bacteria samples from pigs and patients in south China, including strains with epidemic potential. Read More

Kluyvera ascorbata from blood sample

Kluyvera is a relatively newly described genus in the family Enterobacteriaceae that infrequently causes infections in humans. The organism has been isolated from various clinical specimens but its has been regarded alternatively as saprophytic, opportunistic, or pathogenic. In our case Kluyvera... Read More

NIH-sponsored clinical trial of chikungunya vaccine opens

An experimental vaccine to protect against the mosquito-borne illness chikungunya is being tested in a Phase 2 trial sponsored by the National Institutes of Health. Results from an initial trial of the vaccine, which was developed by scientists at the NIH National Institute of Allergy and Infect... Read More

Breast cancer drug beats superbug

Researchers at University of California, San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences have found that the breast cancer drug tamoxifen gives white blood cells a boost, better enabling them to respond to, ensnare and kill bacteria in laboratory experiment... Read More

How naked is naked? Scales of the Gymnamoeba (naked amoeba) show remarkable details!

In memory of Eugéne Penard (1855-1954) we have created a website to show the variety and beauty of amoeboid organisms in light- and electron-microscopic images. Read More

M. luteus/E.coli

Streak plate isolation of Micrococcus and E. coli mixed culture. Read More

The pearly colonies

Yeast extract-mannitol agar (YMA), with the pH indicator bromothymol blue (BTB), is the medium used for rhizobia isolation and characterization.

In this pic, one Bradyrhizobium strain isolated from cowpea root nodule in Brazil showing a "white pearly colony" 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

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

Love and war between kingdoms

Candida albicans and Pseudomona aeruginosa growing on YPD. Read More

Serratia marcescens/Escherichia coli mix

Serratia marcescens/Escherichia coli mix grown on TSA for 48 hrs. Serratia marcescens grows red due to prodigiosin and Escherichia coli grows opaque white. Read More

Handprint Culture Shirt

"Everyone Needs a Little Culture" shirt @ Cabrillo College bookstore, 831-479-6209 or Niles Biological, http://www.nilesbio.com/cat499.html Read More
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