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Thesis work on mycology for the degree of PG in Medical Microbiology.

My name is Sangeeta Khadka and i am from Nepal. I am a PG level student at St. Xavier's College. Recently, i have been doing my thesis work on mycology in Nobel Hospital and Research Centre for the degree of PG in Medical Microbiology.

This is a picture of different Candida species isolated ... Read More

Francis Crick Portrait in Living Light!

This is as portrait of the late Francis Crick created by my wife Dr. Jennifer Quinn using "paint" of luminous bacteria. Photobacterium leignothi was grown in LB amended to 20g/l NaCl for a few hours until visible luminescence was detected visually. The liquid culture was painted onto amended L... Read More

Neisseria sicca on blood agar

Neisseria sicca grown on blood agar at 37 degrees C for 5 days. A Gram (-) diplococcus organism that is part of the normal mucosal membranes and does not normally cause disease. Read More

Study reveals how herpes virus tricks the immune system

With over half the U.S. population infected, most people are familiar with the pesky cold sore outbreaks caused by the herpes virus. The virus outsmarts the immune system by interfering with the process that normally allows immune cells to recognize and destroy foreign invaders. How exactly the ... 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

Serratia marcescens

The image of Red Lord Ganesha on this MacConkey agar plate is made of Serratia marcescens. It is just an expression that microorganisms are ubiquitous and miraculous in nature just as our gods.
Serratia marcescens produces a blood red pigment called prodigiosin (latin word prodigiosus meaning ... Read More

3-D protein map offers new malaria vaccine hope

A three-dimensional 'map' of a critical protein that malaria parasites use to invade human red blood cells could lead to a vaccine countering the most widespread species of the parasite. Read More

How Forest Loss Is Leading To a Rise in Human Disease

In Borneo, an island shared by Indonesia and Malaysia, some of the world’s oldest tropical forests are being cut down and replaced with oil palm plantations at a breakneck pace. Wiping forests high in biodiversity off the land for monoculture plantations causes numerous environmental problems, f... Read More

Unknown floor isolate

Partial isolate of an unknown organism on trypticase soy agar exhibiting spreading and an irregular-rhizoid form with lobate margins. The pigment is opaque white-beige with a mucoid surface over most of the colony. A dry, dull, matte surface appears toward the outer edges of the colony. The s... Read More

Under the weather? A blood test can tell if antibiotics are needed

DURHAM, N.C. -- Researchers at Duke Health are fine-tuning a test that can determine whether a respiratory illness is caused by infection from a virus or bacteria so that antibiotics can be more precisely prescribed. Read More

Getting a Knit Bacteriophage From a Former Student!

A former student dropped by my lab this morning, and brought me a gift: a knit bacteriophage! Many times, as educators, we hear what we haven't done well, or could do better. Sometimes, like today, we get a priceless "thank you" from a former student. Read More

The Institut Pasteur in French Guiana publishes the first complete genome sequence of the Zika virus

Having confirmed the first cases of infection in Suriname then in French Guiana, the Institut Pasteur in French Guiana has sequenced the complete genome of the Zika virus, which is responsible for an unprecedented epidemic currently sweeping through the tropical regions of the Americas. Publishe... Read More

Unknown isolate from table swab

Students swabbed the lab bench at the end of class. The TSA plate was grown for 48 hrs at 37 degrees C then let set for 2 days at room temperature. The close up of one of the colonies was matte/white through out, a smooth center with rhizoid growth then a feathery/powdery growth on the outer... Read More


Viruses have proven to be wily foes. Attempts to fend off viruses that cause the common cold or flu have failed, and new viral outbreaks such as dengue, Ebola, or Zika continue to elude drugs.

Given these challenges, scientists are tackling the problem from a different angle. The want to boos... Read More



Unknown Fungal Contaminant/TSA #2

Two unknown airborne fungal isolated contaminant found on TSA. TSA plate was incubated for 2 months at 4 degrees C once fungal growth was seen. Concentric rings of color (pink/peach, green and white) can be seen throughout the colonies. Read More

Kisses for your Valentine

Serratia marcencens and Corynebacterium xerosis on TSA make for a great valentine for any microbiologist! Read More

Acid-fast bacilli

Acid-fast bacilli in auramine rhodamine stain. Read More

Your viruses could reveal your travel history, and more

The genomes of two distinct strains of the virus that causes the common lip cold sore, herpes simplex virus type 1 (HSV-1), have been identified within an individual person -- an achievement that could be useful to forensic scientists for tracing a person's history. The research also opens the d... Read More

A world in microscope

This is a photo of Bacillus subtilis sporulation on Phase contrast microscope. I take the photo by Canon camera! I love the photo this is a first time I have a good image on Phase contrast microscope.
I think, we should dilute the sample before carrying out the template.
Use the lame side, put... Read More
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