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Getting Started with MicrobeWorld

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Brain infection study reveals how disease spreads from gut

Diagnosis of deadly brain conditions could be helped by new research that shows how infectious proteins that cause the disease spread. Read More

Mining Marine Microbes for New Drugs

This slideshow outlines the work of WHOI scientists Tracy Mincer and Kristen Whalen in the quest to beat antibiotic resistance through bioprospecting in the ocean. Read More

Hookworm egg

Shown here is a picture of a hookworm egg found on a concentrate in an ova & parasite exam

Human hookworms include the nematode species, Ancylostoma duodenale and Necator americanus. These species have indistinguishable eggs and can only be distinguished by their larvae.

Infective larvae g... Read More

Agar Double Helix

Inspired by the current Agar Art Contest and the gorgeous red of a recently isolated Serratia, I thought I'd try out my first bacteria "sketch." Using Serratia, Citrobacter, and an E. coli on Hektoen Agar I whipped up this goey DNA double helix! Read More

Echinococcus granulosus

This is a picture of Echinococcus granulosus from an infected liver specimen recently received in our laboratory. It is pictured in a saline wet mount at 40X magnification. The picture shows an evaginated scolex from an immature worm with hooklets.

The adult worm of Echinococcus granulosus l... Read More

actinomycetes

15 days old culture of chalky actinomycetes on Starch Casein Agar. Isolated from soil of soil of ground of Central Department of Microbiology, Trubhuvan University, Nepal.
Incubation temperation: 30 degree celsius. Isolated for testing potential for antibiotic production.

Sabita Ghimire, s... Read More

Swarming Motility/ Proteus mirabilis

A sample of Proteus mirabilis was inoculated on to a TSA plate by taking a sterile swab and placing a drop in the center of the plate. The plate was then incubated at 37 degrees for 8 hrs. Swarming motility can be seen as a clear halo and finger like projections coming from and around the grow... Read More

Pseudomonas aeruginosa with black extracellular pigment

Pseudomonas aeruginosa isolated from sputum into department of Microbiology - Riuniti Hospital Reggio Calabria .
This strain of Pseudomonas secretes brown/black extracellular pigment: pyomelanin.
Photo from D'Aleo Francesco archive. Read More

Slime producing Staphylococcus epidermidis on Congo Red agar

Slime production by Staphylococcus epidermidis on Congo Red agar; demonstrated by black colored colonies. Slime production is one of the most important virulence factors produced by Coagulase negative Staphylococci.

The colonies of slime non-producing strains remain pink to red.
Read More

Agar Art Contest 2015

This picture depicts that microbes too can add colours to life. As the beginning of a New Year adds colour to life. This agar art shows how microbes like serratia marcescens, Pseudomonas aeruginosa, Staphylococcus Citrus add to happiness of new year and too add colours to life. Read More

THESE YEAST CELLS SAY ‘HI’ AND OTHERS RESPOND

Scientists have engineered yeast cells that can “talk” to one another using a versatile plant hormone called auxin.

Typically, these simple fungal cells (Saccharomyces cerevisiae) usually do their jobs—making bread rise or converting sugar into alcohol—without having to communicate or work to... Read More

Toxoplasma parasite's greedy appetite may be its downfall

Toxoplasma gondii is estimated to chronically infect nearly one-third of the world's population, causing the condition Toxoplasmosis. It is most commonly associated with handling cat feaces and is a particular threat to pregnant women and immune-compromised individuals, such as HIV/AIDS patients... Read More

Fungi at root of plant drugs that can help, or harm, sick monarch butterflies

Previously, biologists at Emory University and the University of Michigan discovered that butterflies use plant toxins as a drug to cure their offspring of parasitic infections. Now they've dug a little deeper and found that the fungi associated with the roots of milkweed plants change both the ... Read More

High rate of Texas bugs carrying Chagas disease

A deadly parasite that causes Chagas disease is widespread in a common Texas insect, according to a new study by University of Texas at El Paso (UTEP) researchers. The finding suggests that the risk of Texans contracting the disease may be higher than previously thought. Read More

Yellow Unknown Yeast

Unknown yeast isolated on TSA from a swab taken from the bottom of a shoe incubated at 25 degrees C. Yellow, mucoid, round colonies were seen after 2 weeks. This isolate grew equally well at 37 degree C with a growth time of ~ 1 week. Read More

Thanks ;)

Perfect for the last slide of a research presentation.
4 bacteria was used : Escherichia coli (Thank - White), Micrococcus luteus (for - yellow), Dickeya dadantii (your - white), Serratia marcescens (you, attention - red). Read More

What do we breathe?

Results of analysing air by Using Merck Millipore Mas 100 Eco Air Sampler. Here i used DRBC agar and i got some molds. It was 100 lt volume. there is no yeast but we can see clearly molds. Read More

In very ill, probiotics don't prevent 'superbugs' from colonizing intestinal tract

Compared with routine medical care, probiotics administered to critically ill patients in intensive care units showed no benefit in preventing the colonization of drug-resistant microbes in the intestinal tract, according to new research at Washington University School of Medicine in St. Louis. Read More

Unknown Yeast/Bacteria

Unknown Yeast or Bacteria seen on tip of finger print grown for 2 days at 37 degrees C then held at room temperature for 3 days. Organism was yellow, mucoid, raised rhizoid with large holes. Read More

Chromobacterium violaceum, Staphylococcus aureus

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum, Staphylococcus aureus
Agar: Blood Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature

Pictured is Chromobacterium violaceum and Staphylococcus aureus shaped in a valentin... Read More
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