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Mycobacterium smegmatis Acid Fast Stain

Acid Fast stain done on a mix of Staphylococcus aureus and Mycobacterium smegmatis. Carbol fuchsin was applied to the smear and set over a steaming water bath for 10 min to help penetrate the mycolic acid in the cell wall, then rinsed with acid alcohol which washes the carbol fuchsin out of al... Read More

Fungus on toilet seat

Culturing microbes on nutrient plate and testing for different kind of microbes on specific environment areas. This inoculated nutrient plate that was left for a period of 14 days showed the present of a few different kind of fungus species. It’s common to think that the human palm contains more... Read More

Predictably beautiful

As the bacteria grow within a biofilm, they organize themselves into reproducible patterns and shapes that can be predicted with mathematical models.
Image: Confocal microscopy of a bacterial biofilm composed of Escherichia coli expressing the fluorescent proteins mCherry and sfGFP. The image w... Read More

Rhizopus Stolonifer (Black bread mold) under magnification of 40X

black bread mold Read More

Using Wordcloud-Reponses to Discover How Students Perceive Concepts in the Classroom

In this blog, I share some "first word that comes to mind" responses of my freshman biology class to the words "germ," "bacteria," "cell," and "DNA." The way that we perceive an idea or concept definitely impacts our relationship with it. Thus, finding out what students think, coming into our ... Read More

antibacterial producing actinomycetes from sediments of the Caspian Sea

the results of this investigation revealed that the marine actinomycetes collected from the sediments of Caspian Sea
might be a potent source of novel antibiotics. Read More

Yeast go viral #agarart2015

Unlike human viruses that cause disease, yeast viruses do not cause any obvious illness in yeast. On the contrary, some viruses of yeast are beneficial and produce toxins that kill off competing yeast, allowing their host to thrive. We often think of viruses as agents of death and disease, but... Read More

Bio-luminescent microbes " Phytoplankton"

One of the most famous pictures of the Vaadhoo Island comes from a night where dots of light seemed to float to the shore. They made the cost look like it was covered in stars.
At night, it is not uncommon for Bio-luminescent microbes called Phytoplankton to be seen along the coast, though even... Read More

it this synergism?

Pseudomonas aeruginosa. Imepinem did that wird zone next to ampicilin sulbactam. Wat phenomen are that? Its that synergism? And it wil have activity in vivo? Thnx

Read More

This is how I commit to Microbial Supremacy!

It's true that I adore microbiology, and I am lucky to teach it each year to my micronauts. So it was time to commit. Here is my second "Microbial Supremacy" tattoo! The artwork is by Peggy Muddles (http://www.redbubble.com/people/thevexedmuddler/works/15659350-microbial-badass-tattoo-full-co... Read More

Christmas tree :-)

Most of the strains used belong to the Bacillus genus and the rest are just random colorful petri dish contaminants. :-)

Author: Rositsa Tashkova, Université de Nantes, France Read More

Dangerous enterohemorrhagic bacteria E. coli

Most Escherichia coli (E.coli) strains are harmless.But some, like enterohemorrhagic E. coli (EHEC), are a hazard to human health and life. Read More

Pink-pigmented Pseudomonas Aeruginosa

A pink-pigmented strain of Pseudomonas aeruginosa is shown in the picture. This was photographed in University of Colorado Hospital's clinical lab by the microbiology department. The organism is shown on Mueller-Hinton agar for Kirby-Bauer sensitivity testing.

The pigment pyorubin is responsi... 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

"E. coli Happens"

E. coli was grown on MacConkey Agar (MAC) at 37 degrees for 24 hour. MAC is a Selective and Differential media used to inhibit G+ growth and some G- bacteria as well as identify and isolate lactose fermenting G- enteric bacteria mainly Enterobacteriaceae. Strong lactose fermentation produces pi... Read More

Antagonistic effect of Imipenem towards Piperacillin/tazobactam disc in Pseudomonas aeruginosa lawn on Mueller-Hinton agar

This images was taken during the lab work of my Master thesis on Metallo beta lactamase on Pseudomonas aeruginosa and Acinetobacter spps at Shree Birendra Hospital ( Army Hospital) in Kathmandu Nepal . It clearly shows the antagonism between two discs. Read More

Introducing the Thanatomicrobiome

In a healthy adult human body, most internal organs such as the brain, spleen, liver, and heart are devoid of microorganisms because the immune system keeps them in check. After human host death, however, the immune system falters and microorganisms proliferate throughout the body beginning in ... Read More

Vibrio cholerae serotype O1 ogawa isolated on TCBS agar in Sukraraj Tropical and Infectious Hospital , Kathmandu , Nepal .

Vibrio cholerae was isolated in the capital city Kathmandu , where as it causes cholerae endemic in certain remote parts in the country every year . Vibrio cholerae O1 ogawa serotype was isolated and identified after growth in TCBS agar and subcultured on HIA plate and performed oxidase test (+... Read More

Microbiology Christmas Tree

This is a picture of the Christmas tree in the University of Colorado Hospital Microbiology Department.

The tree is adorned with homemade culture plate ornaments (one for each staff member) and topped with a stuffed Staphylococcus aureus microbe. Read More

Physarum polycephalum Different view

Physarum polycephalum, slime mold, grown in a large perti plate on moist paper towels using oatmeal as the food source. Culture was grown in the dark at room temperature. The paper towel was moistened every day with tap water. After 3 week’s the culture formed sporangia (fruiting bodies). Image ... Read More
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