With its abdomen engorged with a host blood meal, this image depicts a lateral, or side view of a female blacklegged, or deer tick, Ixodes scapularis.
The blacklegged or deer tick, Ixodes scapularis, transmits Lyme disease, a disease caused by a spiral shaped bacterial microbe, Borrelia burgdor... Read More
Microscopes have been around for some 400 years, and today they are even accessible via customized cell phones. The act of peering into a microscope of any power can open a whole world of life and beauty that exists right under (or in) our noses. And to capture that rare view for reproduction ca... Read More
Möbius strips are special loops that only have one continuous side. Now we've built the smallest Möbius strips ever - out of DNA. Here you can see the nanometer-sized DNA loops, folded like origami.
The ability to create complex structures on the tiniest of scales is one of the great challeng... Read More
clostridium perfringens stormy fermentation in milk Read More
Trichomonas vaginalis is a protozoan parasite of the urogenital tract in men and women and causes a sexually transmitted disease, trichomoniasis, in about half of infected women. Infections are associated with pelvic inflammatory disease, adverse pregnancy outcomes, infertility, an increased inc... Read More
Please help me! I am planning to identify this microorganism by API but I can not identify the shape (rod or cocci). This microorganism has positive oxidase. Its colony is red, irregular, flat.
Please teach me. Thanks so much! Nhu Thuy from Vietnam
Nikon Small World Honorable Mention 2008 photomicrography competition, Dr. Petr Znachor, Institute of Hydrobiology, Ceske Budejovice, Czech Republic
Coiled filamentous cyanobacterium Anabaena sp. (600x)
Technique: Nomarski Differential Interference Contrast Read More
The ASPEX Corporation, a leader in scanning electron microscopes and microanalysis software, is offering a free benchtop SEM scan of anything you can think to send them! Past submissions have included mold, cat hair, a penny and an assortment of other random objects. This is a unique opportunity... Read More
Each year the ASM's MicrobeLibrary Visual Collection Editorial Committee presents the Editor's Choice Award to three visual resources (one animation, one still image, and one video) published over the past year. The chosen resources exemplify the criteria for publication in the MicrobeLibrary. T... 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
It causes human mucormycosis and bovine mycotic abortion.
It is distinguished from R.arrhizus by its shorter stalk, and smaller sporangia and spores.
Var.oligosporus : has elongated columellae ; spores less obviously striated.
Var.rhizopodiformis : has ... Read More
Colonies of Blastomyces dermatitidis on blood agar plates incubated at 30 C Read More
Bromocresol fermentation tubes (escherichia coli). note acid (yellow) and gas (bubble) Read More
Perhaps Jerry Lee Lewis's rock n' roll classic will soon be topping the charts of virologists world wide! Read More
Fragments from above compost pile, covered with Aspergillus fumigatus Read More
Tiny rod-shaped bacteria called Vibrio cholerae cause cholera infections.
Credit: Tina Carvalho, University of Hawaii at Manoa
Related article: "The Quake that Brought Back Cholera" (http://publications.nigms.nih.gov/insidelifescience/cholera.html)
Posted August 10, 2... Read More
Important ingredients: 6.5% salt, dextrose, bromcresol purple
Differential/Selective: used to test for salt tolerance and can be used to identify enterococcal group D streptococci. NaCl is a selective agent and those organisms that can grow in higher salt concentrations also ferment the dextro... Read More