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Pseudo Christmas Tree

Christmas Tree made of P. aeruginosa & M. luteus
From: Manatí, Puerto Rico (Clinical Microbiology Laboratory)
Author: Zamayra Sotomayor-Roig
Read More

Let It (Microbially) Snow...

I made this video in October of 2015, with my Biology 350 Microbiology students at the University of Puget Sound. A drop of Pseudomonas syringae expressing ice nucleation protein hits supercooled pure water, and fun results. This is the way that Snomax works to commercially generate snow, inci... Read More

Fungus in my brothers sports drink

Unopened sports drink containing a fungal contaminant Read More

TWiEVO 2: Faster than a speeding virus

On episode #2 of the new science show This Week in Evolution, Nels and Vincent talk about how a cellular enzyme contributes to the very high mutation rate of human immunodeficiency virus type 1.

You can find TWiEVO #2 at microbe.tv/twievo. Read More

TWiV 369: Camel runny noses and other JNK

Hosts: Vincent RacanielloAlan Dove, and Kathy Spindler


<... Read More

A Luxmas Tree!

This is included in my recent blog post (http://microbesrule.blogspot.com/2015/12/happy-luxmas-2015.html), but here it is by itself. Photobacterium leignothi "stars" on Petri plates hung on my tree, and a 5 second exposure makes for a nondenominational "Luxmas Tree." Happy Microbial Holidays! Read More

Happy Luxmas 2015!

In this blogpost, I celebrate the microbiological season with some microbial merriment: ice nucleation bacteria, drawing with reporter gene bacteria, and painting with bioluminescent microbes. Every day is Luxmas to me! Read More

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
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