These bacteria-infecting viruses, phages for short, are the most abundant life-form on the planet, their number far exceeding that of stars in the universe. Trillions inhabit each of us.
Photograph by Department of Microbiology, Biozentrum, University of Basel/Photo Researchers, Inc., All Ima... Read More
Phenotypic detection of ESBL(exteneded spectrum beta lactamase)
phenotypic detection of ESBL by beta lacatmase inhibitor,CA=clavuleic acid..MBL is ambler's class A beta lactamase,which is inhibited by,CA=clavuleic acid .
this research work was performed in our research lab. for academic inter... Read More
The common waterborne bacterium Caulobacter crescentus reproduces asymmetrically. When a cell divides, one of its daughter cells is a free-swimming “swarmer,” powered by a hairlike flagellum. The other, “stalk” daughter cell is immobile, anchoring itself to a surface with one of nature’s stronge... Read More
Helicobacter pylori (yellow), a common bacterium that lives in the stomach lining, increases the risk of stomach cancer (brown cells) and peptic ulcers. But over time H. pylori can reduce stomach acid and acid reflux, which may help fend off esophageal cancer. The microbe also appears to help pr... Read More
A colorized electron microscope image captures delicate chains of streptococcus in a laboratory sample. Though some strep infections can be deadly, many strains are harmless—among the thousands of benign beings that make their home in our bodies.
Photograph by Martin Oeggerli, with support fr... Read More
Most mushrooms actually do not produce the visible fruiting bodies known to us as boletus, champignons, or toadstools. Many fungal species are the familiar “mold” and other unappetizing films, or are completely unknown to us. Here, you can discover some of the remarkable shapes and lifestyles of... Read More
Bacteria adjust to wide fluctuations in food supply by controlling how big they get and how often they divide. Scientists at Washington University in St. Louis have just worked out the control system E. coli use to delay division so they can bulk up when food suddently becomes abundant. What can... Read More
Activated eosinophils in the peripheral blood of a patient with idiopathic hypereosinophilic syndrome showing cytoplasmic clearing, nuclear dysplasia, and the presence of immature forms (100x magnification). Credit: NIAID Taken on June 24, 2013 @http://www.flickr.com/photos/niaid/9125007255/
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JOSEPH LEIDY – 1823-1891
Joseph Leidy (1823-1891), naturalist, comparative anatomist, paleontologist, and microscopist, was dubbed by his biographer as “the last man who knew everything.” Leidy also made substantial contributions to the field of protozoology and is considered America’s first... Read More
This swirling mass may look like some kind of LSD trip, but it's actually fractal artwork created using bacteria.
Produced by Eshel Ben-Jacob—a scientist-cum-artist at Tel Aviv University—the piece came about thanks to two strains of bacteria which grew together in interesting and weird ways.... Read More
Wouldn’t you be tempted to attend such a session if it were part of a current-day ASM meeting? The first five papers ever delivered to a meeting of the Society of American Bacteriologist (now the ASM) are so utterly relevant to our concerns that they could be delivered now. No changes to the ti... Read More
phenotypic detection of ESBL by beta lacatmase inhibitor,CA=clavuleic acid..MBL is ambler's class A beta lactamase,which is inhibited by,CA=clavuleic acid .this research work was done in our research lab., department of clinical microbiology,tribhuvan university teaching hospital in nepal.
RESU... Read More
phenotypic detection of MBL by EDTA.MBL is ambler's class B beta lactamase,which is inhibited by EDTA.this research work was done in our research lab., department of clinical microbiology,tribhuvan university teaching hospital in nepal.
RESULT: zone of inhibition of IMIPENEM with EDTA(IMP+EDT... Read More
Phenotypic test for detection of AmpC β-lactamases.
boronic acid is inhibitor of ampC β-lactamases. result: if zone of inhibition in Cefoxitin(FOX)+Boronic acid(BA) > Cefoxitin(FOX)=5MM.it indicates amp c producer. media :MHA organism: klebisella pneumoniae our resarch work on AmpC β-lactama... Read More
It was my first D-test positive coagulase negative S. aureus isolate during my work on Inducible clindamycin resistance among staphylococci” Read More
For those of us who are normal, non-scientist people, an image of a virus doesn't necessarily hold any meaning. Which floating orb is a healthy cell? And which one is the actual virus? The CGSociety recently invited artists to create renderings of the HIV virus in blood—and the winning images ar... Read More
Researchers have discovered the largest virus ever, and they've given it a terrifying name: Pandoravirus.
A typical virus is a tiny sack of genetic material that injects itself into a much larger cell and uses it to make more viruses. The Pandoravirus is enormous by comparison—large enough to... Read More
The production of Metallo-β-lactamase is one of the resistance mechanisms of Pseudomonas aeruginosa. Metallo-β- lactamases are members of Group B in the molecular classification of Ambler and are Clavulanic acid resistant enzymes which require divalent cations of zinc as co-factors for enzymat... Read More
Pseudomonas aeruginosa is one of the most notorious organisms that have brought the therapeutic dilemmas to clinicians as well as challenge to microbiologist throughout the world. It carries gene of intrinsic resistance (AmpC cephalosporinase, the OprD outer membrane porin, and the multidrug ef... Read More
This isolate was also Methicillin resistant. It was my first D-test positive S. aureus isolate during my work on Inducible clindamycin resistance among staphylococci at Universal College of Medical Sciences and Teaching Hospital, Bhairahawa, Nepal. Read More