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Microbiologist Christmas Wreath, Unknown Organisms seem on Washed Hand Print #2,

Unknown organism seem after washing hands on a hand print grown on TSA. Larger organism (possible Bacillus spp) is circular, edges not smooth, mucoid with rhizoid like growth towards the edges. Second smaller organism is yellow, mucoid, and has something erupting from the center. Read More

Happy snowless winter holidays!

Beautiful bacteria. Chromobacterium violaceum, S. aureus, and S. epidermidis Read More

Microbiology, Creativity, and Extra Credit!

I have long believed that there are many ways for students to learn. In several of my classes, I encourage students to use "creative" approaches to explore course concepts. In the Fall of 2015, here is what my micronauts in my Microbiology course at the University of Puget Sound came up with..... Read More

mSystems launches online publication!

Just in time to end 2015 with a bang, mSystems has published its first batch of articles online. The publication includes three articles: an introductory essay by Editor-In-Chief Jack Gilbert and three research articles. Today’s launch makes mSystems the most recent open-access, online-only jour... Read More

Unknown Organism on Washed Hand Print

Unknown organism, possible Bacillus spp, washed hand print done on a TSA plate. Organism was the size of a dime, muciod/ rhizoid in the center and mat/smooth at the outer edges. Read More

Aberrant form of Proteus spp. in urine

A urine specimen was collected by catheterized patient and sent to our Mycology laboratory for fungi research.
Small and translucid colony have grown on Sabouraud Agar (50mg chloramphenicol) culture after a week.
Microscopic analysis was performed and unusually shaped, swollen and large organ... Read More

Unknown Contaminant on BEA

Unknown organism, presumable yeast, seen on Bile Esculin Agar (BEA) after several months at refrigerated temperatures. Organism was mucoid.circular, and a light brown in color. The brown coloration around the colony indicates the organism can to convert the esculin into 6,7-dihydroxy-couarin p... Read More

Rat Flea

The bearer of the Plague....Rat Flea obtained from the rattus rattus (rat) habouring the Yersinia Pestis (plague bacilli) which causes the dreaded Plague or the "Black death" that single handedly wiped out a quarter of the human population thru the middle ages. Thru hard work and science we have... Read More

Bacteria battling each other to survive

"Two types of bacteria found in the soil have enabled scientists to get the dirt on how resistance to antibiotics develops along with a separate survival strategy.The study identifies an atypical antibiotic molecule and the way in which the resistance to that molecule arises, including the ident... Read More

How probiotics work today and how they may work tomorrow

Regular readers will know that infectious disease issues often land the top billing in microbial news. However, most of our microbial interactions do not negatively impact our health – in fact, some interactions even lead to health improvements. The microbes that lead to these beneficial interac... Read More

Sierra Leone Trial to Introduce a Vaccine against Ebola (STRIVE)

The College of Medicine and Allied Health Sciences (COMAHS), University of Sierra Leone, the Sierra Leone Ministry of Health and Sanitation (MoHS), and the U.S. Centers for Disease Control and Prevention (CDC) are working together on a candidate Ebola vaccine trial in Sierra Leone.

The vaccin... Read More

Enlarged view of winter hand print

Enlarged view of cold wet (winter) hand print. Read More

Enlarged view of summer hand print

Enlarged view of dry warm (summer) hand print. Read More

TWiV 368: Infected, you will be

Hosts: Vincent RacanielloAlan DoveRich Condit Read More

Sesonal Hand print

Bacterial hand print done last week with a group of 4th graders (~30 plates done). This same thing was done 4 months ago with another group of 4th graders when the weather was warm and dry. A different hand "flora" can be seen between the two seasons. Notably the Bacillus species is different... Read More

Unknow FUngal contaminant on Lipid agar

Unknown fungal contaminant seen on Lipid agar after several months at refrigerated temperatures. Image taken using transmitted light to highlight the concentric rings of the colony. COlor was a dark brownish green. Read More

TWiM #117: Finding the comammox

Hosts: Vincent RacanielloMichael Schmidt, Read More

TWiM 117 Letters

Jessica writes:
I just finished listening to Chewates and Coconuts and was so elated to hear about the open access paper comparing the Soybean Oil, Beef Tallow, and Coconut Oil effects on fungal colonization. I am a biologist by education, but I also have quite the “Crun... Read More

Microorganisms Spreading Holiday Cheer

This holiday season, as you open a bottle of your favorite wine to share with family and friends, consider making a toast to Saccharomyces cerevisiae (also known as “brewer’s yeast”) which is a species of yeast that is commonly used for making wine and beer. Yeast is absolutely essential to wine... Read More

Some Flashy Bacteria

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