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When random artsy contamination strikes!

Lurking unbeknownst in the fridge, this plate harbored a variety of organisms, slowly making their appearances. After its discovery, the plate was incubated on the bench for a week as the colonies grew larger and fuzzier. Is that a shooting star colony in the upper left? Read More

Lichen Fruiting Bodies

Lichen (Xanthoria spp) Fruiting bodies, disc like structures, seen on the shady side of tree in Santa Cruz, Ca. Read More

Beautiful bacillus II

At the start of each semester students do environmental swabs. This was a swab taken form the bottom of a shoe incubated for 48 hrs at 37 degrees C then held at room temp for 48 hrs then held at refrigerated temp's. Seen is a beige matt colony, rhizoid and raised in the center edges fuzzy (not s... Read More

A variety of Lichens II

Several species of Lichens seen on rocks in Red Rock Canyon, Las Vegas, Nevada after soaking rains. These are Crustose lichens that grow on the bare surface of the rocks are hard and etch the rocks as they grow crumbling the rock. Possible species seen (ie best guess from ID guide) are the yello... Read More

Swarming Proteus

Proteus on a CLED plate. How and why does it swarm? Read More

Blue Actinomycete Crocuses

Crocuses are among the most charming spring flowers, harbingers of good and warm weather. They appear really early, breaking through the frozen and snowy earth, bringing happiness, joy and good spirits in the first days of spring.
The crocuses and the snow on this agar plate are made of the Str... Read More

Mushrooms

A large clump of Mushrooms seen int the leaf litter after heavy rain Santa Cruz, CA. The cap was beige/tan, smooth and started to invert, gills were not attached to the stem. Read More

Yellowstone Caldera/Bacterial Mat

Bacterial mats, golden brown in color, seen at the outer edges of a geothermal vent/geyser. Cyanobacteria grow around 163 F or lower. Yellowstone National Park.
Read More

Table top mix

Swab taken from the lab table top and incubated on TSA for 48 hrs, left at room temperature for 72 hrs then held at refrigerated temperature for a month. Pictured is a colorful mix of beige mucoid bacteria, orange and yellow mucoid yeast/bacteria, and white grainy fungi (possible actinomyces?). Read More

Unknown Bacillus

Unknown organism, possible Bacillus spp, seen on a hand print after hand washing. TSA plate was grown at 37 C for 24 hours then left at refrigerated temps for 4 weeks. Organism was a light brown and mat. The center of the growth was smooth with rhizoid like growth on the edges which were mucoid ... Read More

Organism mix on a hand print

Mix of organism seen on a handprint/finger on TSA after incubation at 37 degrees for 24 hrs then held at refrigerated temperatures for 1 month. Read More

Microbe Mafia

Meet the Microbe Mafia: K. rhizophila, E. coli, and C. xerosis. They might seem like friendly bacteria but are always looking for opportunities to cause disease. Well ..... K. rhiz is really not that bad but peer pressure works in bacterial populations as well. When armed with C. violaceum th... Read More

Air sampling

An air sampling done using an SDA agar in the business office.
Fungus is everywhere! Read More

Table Top Swab II

Swab taken from the lab table top and incubated on TSA for 48 hrs, left at room temperature for 72 hrs then held at refrigerated temperature for a month. Pictured is one of the resulting bacterial/fungal growths (yeast): Circular yellow colony, mucoid, with a donut like appearance
Read More

Bacillus mycodies

Bacillus mycodies seen from an environmental swab grown on TSA at 37 degrees C for 49 hrs. Characteristic swirling rhizoid growth can be see. Read More

Typical "Poached egg" colony of Corynebacterium diphtheriae(biotype-mitis ) in tellurite blood agar.

Diphtheria an infection caused by Corynebacterium diphtheriae can be fatal at times, especially if it involves the respiratory tract. They multiply locally on mucous membrane, produce toxin causing necrosis of epithelial cells and ultimately form pseudomembranous coat. These pseudomembrane may ... Read More

SECRETS IN THE SANDSTONE OF CAPITOL REEF NATIONAL PARK

After seeing living microbial mats forming stromatolites in Yellowstone in Part One, now we go back in time to the Jurassic period - hunting for microbial fossils in the desert of Utah. It's Part Two of the National Park anniversary series, live on the ASM blog! #NPS100 Read More

Christmas Agar Art_2016

Agar art using Bacillus sp. and Serratia marcescens on Luria agar. Read More

Happy New Year 4

Dear ASM,

It will be a great pleasure for me and my group if you can post on your Facebook page attached photo of Petri dishes.
A New Years way of examination of antimicrobial activity: Inflict on a Petri dish, a microorganism in the shape of a New Years tree, and then add some antibiotics.... Read More

Shoe Swab Mix

his was a swab taken form the bottom of a shoe incubated for 48 hrs at 37 degrees C then held at room temp for 48 hrs then held at refrigerated temp's. A variety of colony morphology is seen, rhizoid, mucoid, etc. Image taken using transmitted light. Read More
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