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E. coli colonies on Eosin Methylene Blue agar plate

Isolates colonies of E. coli with distinct green metallic sheen on EMB agar plate. Culture isolated from drinking water sample Read More

Unknown funji and bacterias

Exposed for 3 minutes outdoors in the gymnasium of the Inter American University of Puerto Rico. Medium used for fungi PDA. Culture medium used for bacteria TSA. Incubated at 37 degrees for 48 hours. Read More

Clathrin coated vesicles

TEM picture of HEK 293 cells with clatherin coated vesicles

Read More

Partial Acid-Fast stain of Cryptosporidium species

Cryptosporidium (Crypto) is a parasite that causes diarrheal disease. Crypto can live in the intestine of humans and animals and is passed in the stool of an infected person or animal. This parasite is very resistant to chlorine-based disinfectants and is protected by an outer shell that allows ... Read More

Powdery Mildew

Fruiting body (Chasmothecium) of Phyllactinia sp., Erysiphales. Chasmothecium is a specific type of fruiting body amongst Ascomycota (others are Apothecium and Perithecium) with no natural opening. Appendages of Chasmothecium are currently used as distinguishing feature amongst Erysiphales gener... Read More

Serratia marcescens

This study done at department of Clinical Microbiology, TU Teaching Hospital , Kathamandu, Nepal.

Media: Muller Hinton Agar
Incubation condition: at 37'c for 24hrs,
then reincubate at RT for 24hrs for further pigment production.
Isolate: Serratia marc... Read More

Emericella nidulans

The spherical spores produced by the fungus Emericella nidulans are coated in a thin layer of the protein hydrophobin. Hydrophobin ensures that water rolls off the spores. Other fungi, such as mushrooms, also have a layer of hydrophobin on their caps. BASF researchers have succeeded in transferr... Read More

Unknown White Fungal contaminant on 7.5% NaCl BHI #2

Unknown Fungal contaminant on 7.5% NaCl BHI after several month at refrigerated temperatures. White hyphae was seen spreading into the agar with no spore formation. Read More

Interesting morphology on finger tip

Close up of an unwashed finger, print done by a student. The student later informed me that part of his job in the morning was feeding chickens on the farm. Read More

Rhizopus microsporus

Rhizopus microsporus columella.
Species of the mucoralean genus Rhizopus are very relevant to society, in several respects. They are known as spoilage organisms,contaminating a variety of foodstuffs and agricultural
products during storage and transport. Because of off-odors, unwanted discolor... Read More

E. coli on EMB Agar

E. coli growth on EMB Agar. EMB Agar slightly inhibits gram-positive bacteria due to the combination of dyes and is a selective and differential medium for coliforms. Bacteria that ferments lactose will exhibit a green metallic sheen. This image represents E. coli as a quality control microorga... Read More

Budding Yeast

I had a pink fungal contaminant on one of my plates.
When I looked at it under the microscope, I found some budding yeast. Read More

Reducing antibiotic requests from patients with viral infections

For anyone interested in Antibiotic Awareness Week, a big part of the story is that patients (or their parents) demand antibacterials even for viral infections. And doctors often comply, just to get rid of them (the patients, that is). This high-resolution PDF can be printed out for waiting ro... Read More


This is simlpe phenotypic test which can be done in simple laboratory where molecular technology is not easily avaialble.phenotypic detection of MBL by 0.1mM EDTA.metallo-β-lactamase(MBL )is ambler's class B beta lactamase,which is inhibited by EDTA.this research work was done in our research l... Read More

Unknown Fungal contaminant on 7.5% NaCl BHI

Unknown fungal contaminant, presumably airborne, found on BHI containing 7.5% NaCl after several months at refrigerated temperatures. Concentric rings were seen with brown spore formation seen in the middle ring of the colony with hyphae at the edges and center of the colony. Colony covered the ... Read More

Suspected filariform Strongyloides stercoralis

Larva of Strongyloides was seen after performing wet mount method for the detection of stool samples from the community based study. Read More

the 'clover' made our day

Aspergillus fumigatus isolated from nail samples,growing on SDA agar.The green pigmentation and white coloured parameter forms a 'clover' shape and it makes our day more joyful and fun Read More

Terbinafina with Fluconazole. The combination that inhibiting growth of Candida spp

Any ideas or explication why this combination of antimycotics drugs are inhibiting zone of growth of Candida spp. Econazole make the same round. Sabouraud with chloramphenicol agar was used . Read More

Microbe Medley

Have you ever wondered what kinds of microbes live on the surface of your lips? Only a small fraction of our friendly microflora can be cultured, but this colorful assortment was collected when an LB agar plate was kissed and then allowed to incubate on the benchtop for several days. The colonie... Read More

Mannitol Salt Agar (MSA)

Mannitol Salt Agar (MSA)
•Important Ingredients: Phenol red, mannitol (sugar), 7.5% NaCl
•Differential: between pathogenic S. aureus and S. epidermidis
•Selective: NaCl inhibits non-halophilic organisms. Organism that can grow are halophilic.
•Mannitol Fermentors: fermentation of acid cau... Read More
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