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Exit strategy: Viruses use extracellular vesicles to leave one cell and infect another

Extracellular vesicles are membrane-bound structures that are released away from cells into the environment. These vesicles carry signaling molecules, nutrient scavenging molecules, immune-modulating molecules – the list goes on and on. Every cell type examined produces vesicles, too: bacterial,... Read More

Bulgarian folk motive

Traditional Bulgarian embroidery is characterized by great regional and local diversity. Embroidery ornamentation are much of the specificity and uniqueness of Bulgarian costumes. It is typical of all areas in the country. The high artistic value of the designs is largely due to the skilful sele... Read More

After Hand Washing

This organism seems to be showing up after students wash with soap and water. Organism seen on finger tip grown on TSA 37 degree's C for 48 hrs then refrigerated temp for several weeks. Organism was a pale yellow with raised rhizoid growth in the center some of it matt and some mucoid, edges w... Read More

My first isolation in NBA plate for bacteria from strawberry fruit

this was my first time isolated bacterial plate from strawberry fruit harvested from the field of Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU),Bangladesh. My love at first sight for bacteria. Read More

BacterioFiles 239 - Familial Pheromones Fight faecalis

Just to let you know, I'm trying to finish up my dissertation and graduate in the next few months, so after episode 240, I will be putting the show on hold, at least for a few weeks (but not forever). I'll be sure to bring back some good content after I am done feeling so crunched for time thoug... Read More

Controlling the Gut Microbiome to Prevent Bloodstream Infections

In a new NIH-funded study, Dr. Kumamoto and Alice H Lichtenstein, D.Sc., director of the Cardiovascular Nutrition Laboratory at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University designed high fat diets containing coconut oil, beef tallow, soybean oil or a standard ... Read More

Unknown Organism from Environmental Swab

Unknown organism from an environmental swab, swab was done on the bottom of a students backpack. Organism was grown on TSA at 37 degree's C for 48 hours then refrigerated for several weeks. Color was a white with a mattt apperance in the middle with lobate mucoid margins. Image was taken usin... Read More

Extracellular DNA contributes to biofilm antibiotic resistance via pH modulation

Biofilms – the bane of dentists and cargo ships alike – are a form of surface-attached microbial growth that is especially hardy. The cellular community not only changes its genetic expression patterns to increase resiliency under harsh conditions such as chemical or immunological attack, but th... Read More

Tracking a deadly fungal foe in snakes' skin

It’s never a dull day for Jeffrey Lorch and his colleagues at the U.S. Geological Survey’s National Wildlife Health Center in Madison, Wisconsin who track unexplained mortality and emerging diseases in wild animals. Think of it as a cross between CSI: Animal Kingdom and a zoological CDC.

“Any... Read More

Fungus identification

Hi fungus identification Read More

Interesting Colonoy Morphology/Formation

Hand print done on a large TSA plate after using hand sanitizer, this was the only colony seen. Large cream/white matt colony covering the majority of the plate. The center of the colony was solid with speckled growth/offshoots at the edges, possible Bacillus spp. Read More

Pumpkin Spice Agar

Happy Halloween!! This is an LB plate supplemented with Congo Red (to give the plate an orange hue) and X-gal, which is cleaved by this E. coli into a dark blue color. Read More

TWiV 364: It's not SARS 2.0

Hosts: Vincent Racaniello Read More

Microbial mats in an Antarctic lake vary with oxygen and light availability

Biofilms are important in many nonmedical aspects of life – they contaminate cargo ships, food processing centers (including your kitchen), as well as occur naturally in many environmental settings. These environmental settings can be as benign as pond scum or as extreme as the hot springs of Yo... Read More

Flying Micrococcus unicorn

Unicorn drawn on TSA with Micrococcus luteus and M. lylae. The flowing pink mane is Roseomonas gilardii. #ASM #AgarArt Read More

The alien-looking contaminant 2

Description: This is an amazing image of a possible bacterial contaminant on a blood agar. Its structure is very bizarre and almost symmetrical and it has not been identified yet. A researcher at the Blizard Institute (Dr. Lisa Miyashita) had prepared her blood agar plates for future use and had... Read More

Tardigrade genome sequencing reveals unprecedented horizontal gene transfer

Tardigrades are small animals (~1.5 mm in length) renowned for their ability to survive in many extreme environments. From wikipedia "...they can withstand temperatures from just above absolute zero to well above the boiling point of water (100 °C), pressures about six times greater than those ... Read More

Vitamin D deficiency may limit immune recovery in HIV-positive adults

Athens, Ga. - A University of Georgia researcher has found that low levels of vitamin D may limit the effectiveness of HIV treatment in adults. Read More

MWV 101 - Profiling the Poglianos (TWiM 115)

Host: Vincent Racaniello

Special guests: Kit Pogliano and Joe Pogliano

Vincent take This Week in Microbiology to th... Read More

The alien-looking contaminant

Description: This is an amazing image of a possible bacterial contaminant on a blood agar. Its structure is very bizarre and almost symmetrical and it has not been identified yet. A researcher at the Blizard Institute (Dr. Lisa Miyashita) had prepared her blood agar plates for future use and had... Read More
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