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A Bacterial Bioluminescent Valentine's Day

In this short post, I celebrate Valentine's Day with words of light---using bioluminescent bacteria! Read More

Gram stain showing gram positive Candida albicans

Mr. Sunil Pandey Medical Microbiology Student of Nobel College, pokhara University, Currently Doing his thesis in Kathmandu Model Hospital, In Bagbazzar Kathmandu Nepal, Identified a gram positive Candida albicans yeast and pseudo hyphae in gram stain preparation under 100x microscopy in a femal... Read More

Streptococcus pneumoniae mucoid strain

Streptococcus pneumoniae cells are Gram-positive, lancet-shaped cocci. Usually, they are seen as pairs of cocci, but they may also occur singly and in short chains. In this photo a mucoid strain on blood agar showing alpha hemolysis (green zone surrounding colonies). Note the zone of inhibition ... 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

Unknown from Handprint #1

Organism seen on handprint, presumably Bacillus sp. Organism grew out from the center with rhizoid growth, lobate edges, tan coloration, glossy throughout the colony, Read More

Live/Dead Stain Microscopy

Tannery tanning fluid sample stained with Live/Dead BacLight under UV light. Either 40x or 100x oil immersion. Green bacteria indicate living cells, while Orange bacteria indicate dead cells. Some of the green cells were moving around even after staining! Read More

New drugs for bad bugs

Washington University in St Louis chemist Timothy Wencewicz says we’ll stay ahead of antibiotic resistance only if we find drugs with new scaffolds, or core chemical structures. One promising candidate, an antibiotic made by a bacterium than infects plants, caught his attention because it contai... Read More

Saccharomyces cervisiae

Scanning electron micrograph of yeast, 2013 ATCC Photo Contest Winner, Thomas Deerinck, NCMIR/UCSD Read More

Taking out the defender

The in vivo interaction between a Pseudomonas aeruginosa biofilm, on a silicone implant, and the responding polymorphonuclear leukocytes.
Image: SEM imaging depicts the interaction at day 1 post insertion of the implant in the peritoneal cavity of a mouse. The leukocytes (yellow) are damaged wi... Read More

Bacterial colonies lend whole new meaning to "smartphone culture"

A relatively straightforward classroom experiment produces fascinating images by students at the University of Surrey when they imprinted their smartphone onto a bacterial growth medium. Read More

Macroconidia of Alternaria alternata

I have taken this microphotograph of macroconidia of Alternaria alternata.

Sheikh Imtiyaz
Department of microbiology
SKIMS Soura Srinagar India Read More

Inducible clindamycin resistant (D-test positive) Staphylococcus aureus.

This isolate was also Methicillin resistant. It was my first D-test positive S. aureus isolate during my work on Inducible clindamycin resistance among staphylococci at Universal College of Medical Sciences and Teaching Hospital, Bhairahawa, Nepal. 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

"Microbe-Powered Jobs: How Microbiologists Can Help Build the Bioeconomy" Infographic

The American Academy of Microbiology has just released a new report, "Microbe-Powered Jobs: How Microbiologists Can Help Build the Bioeconomy," and along with it, an infographic, that summarizes the main points of the report. The full report can be found here: http://bit.ly/1lk346I, and a link t... Read More

Freshman Biology Creative Projects!

I have found that students become involved, energized, and enthusiastic when I give them opportunities to explore topics in my classes using their own creative approaches and interests. So this semester, in my Biology 111 course at the University of Puget Sound, I found that students explored f... Read More

Merry MRSA!

A little MRSA snowflake to get you in the holiday spirit. Oxacillin/Methicillin resistant Staph aureus streaked out on Spectra agar - incubated at 35C O2 for 24hrs. Follow me on instagram @stylish_streaking for more fun cultures and other images showing the beautiful side of infectious diseases!... Read More

Staphylococcus aureus isolate (Methicillin sensitive) on blood agar plate

An isolate of Staphylococcus aureus (Methicillin sensitive) on blood agar plate. Submitted for approval to be posted as "Picture of the day".
Author: Dr Luqman Satti. Consultant Medical Microbiologist. Combined Military Hospital. Quetta. Pakistan Read More

Macrophage Infected with Francisella tularensis Bacteria

Scanning electron micrograph of a murine macrophage infected with Francisella tularensis strain LVS. Macrophages were dry-fractured by touching the cell surface with cellophane tape after critical point drying to reveal intracellular bacteria. Bacteria (colorized in blue) are located either in t... Read More

Microbe vs. Mineral - A Life and Death Struggle in the Desert

Although the bursts of rainbow colors in this photograph are mesmerizing, microbes fight for their lives in the background. Chemist Michael P. Zach of the University of Wisconsin-Stevens Point, snapped this image of a salt sample he collected in a hot, arid valley near Death Valley National Park... Read More

Aquaspirillum serpens

A simple stain done on a stock culture of Aquaspirillum serpens to look at cell shape. This culture was grown in TSB at room temperature, ~21 degrees C, for several months. Aquaspirillum is a slow grower normally found in pond water. A characteristic spiral rod can be seen in the center of ... Read More
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