Chromobacterium violaceum is a gram negative bacterium known to produce a natural antibiotic violacein which has other additional properties as well.
Here I was testing the MIC for a range of antibiotics and found a amazing result wherein i could clearly see "persisters" which will at a later s... Read More
We took a few swabs around school - a few cultures have grown up that I am unable to identify. The first is this orange culture, which came from our water fountains (photo is 3 days after the sample was taken). Read More
Growth of Salmonella C1 on XLD agar showing the typical production of black pigment from H2S Read More
This artwork is made from Escherechia coli in Mac Conkey Agar ( MCA ) and shows the other side of the biggest Buddhist temple in Indonesia and Southeast Asia built by the Syailendra dynasty called “Borobudur”, that included one of the wonders of the world from Indonesia.
The leading infectious cause of severe respiratory disease in infants, respiratory syncytial virus (RSV), is also a major cause of respiratory illness in the elderly. Approved vaccines do not yet exist, and despite the development of partial immunity following infection during childhood, individ... Read More
Almost every second woman suffers from a bladder infection at some point in her life. Also men are affected by cystitis, though less frequently. In eighty percent of the cases, it is caused by the intestinal bacterium E. coli. It travels along the urethra to the bladder where it triggers painful... Read More
Scientists have identified a gene that could potentially open the door for the development of new treatments of the lethal disease sepsis. Read More
Enterococcus faecalis grown on blood agar for 48 hrs at 37 degree's C. Small, pin point, circular colonies can be seen with gamma hemolysis (no hemolysis of the blood agar). Colonies were white with a glossy translucent appearance. Read More
Bohr's atomic model comes to life with Kocuria rhizophila, Serratia marcescens, and Lactobaccillus casei. Read More
This picture was taken in early October 2014 in the Washington, DC metro area. The temperature that week had been in the mid-70's during the day to the low 60's at night (Fahrenheit), and it hadn't been too humid. This had grown at the base of a tree, and was very large -- my hand is in there fo... Read More
The deer tick transmits Lyme disease and other diseases, which cause thousands of human and animal deaths annually. With about 10,000 new patients each year, occurrences of Lyme disease in Switzerland are amongst the highest in Europe, representing a substantial healthcare cost and threatening S... Read More
The picture was taken after my students at the Inter American University of Puerto Rico-San German, learned the technique of water filtration analysis of fecal coliforms in water. They filtrated a mL of groundwater from a nearby aquifer and transferred the filter to Endo agar plates. The pictur... Read More
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
At the University of Cologne, biophysicists in the lab of Professor Berenike Maier were now able to show how differential mechanical forces can lead to cell sorting in biofilms, thereby determining their architecture. In their publication in the journal eLife, the team headed by the biophysicist... Read More
india ink preparation for cryptococcus neoformans.
this organisism is isolated from suspected of cryptococcosis from HIV infected patient, 45yrs/M.this work is performed at , deparment of Mycology at TU, Teaching Hospital, Ktm, nepal.
Phenotypic test done for conformation of this organisms... Read More
This Bifidobacterium breve was isolated from infant feces and have been evaluated for probiotic and functional attributes. Morphology of bifidobacteria isolates were observed to be typical `Y- shaped' with bilobed ends when visualized under Scanning Electron Microscopy as shown in image. Read More
Fungal contaminant seen on Starch agar after 1 month at refrigerated temperatures. Colonies were blackish green and circular. Elevated tufts could be seen in the middle of each colony with small water droplets in the rhizoid growth. Read More
Unknown organism seen on a hand print after washing with soap and water grown on a TSA plate for 24 hrs, room temperature for a day and several days at refrigerated temp. Organism was a mat pale yellow with raised rhizoid growth in the center and smooth edges. Read More
The portrait of Louis Pasteur was drawn with Chromobacterium violaceum on Muller Hinton agar. Chromobacterium violaceum is a gram negative bacillus which is motile and a facultative anaerobe. These species are common inhabitants of the environment but occasionally can cause infections in animals... Read More