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Study adds to evidence that viruses are alive

CHAMPAIGN, Ill. -- A new analysis supports the hypothesis that viruses are living entities that share a long evolutionary history with cells, researchers report. The study offers the first reliable method for tracing viral evolution back to a time when neither viruses nor cells existed in the fo... Read More

Marine bioluminescent Photobacterium kishitanii

Marine bioluminescent Photobacterium kishitanii
The genus Photobacterium was first coined by Martin Beijerinck, in 1889, and originally referred to all bacteria capable of light production. Species belonging to Photobacterium are gram negative, rod shaped, chemoorganotrophic, facultative aerob... Read More

Single dose Ebola vaccine is safe and effective in monkeys against outbreak strain

National Institutes of Health (NIH) scientists report that a single dose of an experimental Ebola virus (EBOV) vaccine completely protects cynomolgus macaques against the current EBOV outbreak strain, EBOV-Makona, when given at least seven days before exposure, and partially protects them if giv... Read More

Coiled filamentous cyanobacterium Anabaena sp.

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

Mycobacterium tuberculosis. young colony on a brain heart infusion. typical virulent strain

Mycobacterium buberculosis. young colony on a brain heart infusion. typical virulent strain Read More

TSRI & Janssen study makes major advance toward more effective, long-lasting flu vaccine

LA JOLLA, CA - August 24, 2015 - Scientists from The Scripps Research Institute (TSRI) and the Janssen Pharmaceutical Companies of Johnson & Johnson (Janssen) have found a way to induce antibodies to fight a wide range of influenza subtypes--work that could one day eliminate the need for repeate... 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

Great wave off Candida

Candida albicans is a yeast species that is part of the commensal microbiota of the body. Weakened or impaired immune system can lead to yeast infections mostly produced by Candida albicans, although other species like Candida parapsilosis, Candida glabrata and Candida tropicalis among others ar... Read More

Red algae Scagelia

Red algae Scagelia, showing reproductive tetraspores and golden diatoms. 2nd place winner of Olympus BioScapes photomicrography contest 2012.

Credit: Dr. Arlene Wechezak, Anacortes, Washington Read More

Toxoplasma gondii

Toxoplasma gondii - schizogony from cat gut Read More

Scripps research-designed drug candidate significantly reduces HIV reactivation rate

HIV-infected patients remain on antiretroviral therapy for life because the virus survives over the long-term in infected dormant cells. Interruption of current types of antiretroviral therapy results in a rebound of the virus and clinical progression to AIDS. Read More

Why West Nile virus is more dangerous in the elderly

West Nile virus (WNV) is particularly dangerous in older people, who account for a large number of severe cases and deaths caused by the virus. WNV infection turns serious when the virus crosses the blood-brain-barrier and wreaks havoc among nerve cells in the brain. A study published on July 23... Read More

Photomicrograph of Algae - 1856 by John William Draper

A multitalented scientist and inventor, John William Draper worked as a chemistry professor at the University of New York, where he conducted research in numerous fields, ranging from medicine and philosophy to spectrum analysis and photography. This photograph displaying the physiological chara... Read More

Cooties Catcher/Hand print

I was asked to consult on a hand print experiment done in a public school in NY showing what grows on our hands and the importance of hand washing....did not know I was going to be in it. A nice start to finish hand print "experiment" in a short 2 min video. Note: 1). I was not consulted on th... Read More

photograph of carcass of swine showing lesions of swine erysipelas (b&w)

photograph of carcass of swine showing lesions of swine erysipelas (b&w) Read More

Aspergillus restrictus

Aspergillus restrictus from generalized aspergillosis. Note radiating hyphae in granuloma Read More

Crime-scene compound may be newest tool in fight against malaria

The compound that detectives spray at crime scenes to find trace amounts of blood may be used one day to kill the malaria parasite. Read More

Avian Influenza A H5N1

Colorized transmission electron micrograph of Avian influenza A H5N1 viruses (seen in gold) grown in MDCK cells (seen in green).
Avian influenza A viruses do not usually infect humans; however, several instances of human infections and outbreaks have been reported since 1997. When such infecti... Read More

Streptococcus pneumoniae mucoid strain

Streptococcus pneumoniae cells are Gram-positive, lancet-shaped cocci. Usually, they are seen as pairs of cocci, but they may also occur singly and in short chains. In this photo a mucoid strain on blood agar showing alpha hemolysis (green zone surrounding colonies). Note the zone of inhibition ... Read More

Intestinal worms 'talk' to gut bacteria to boost immune system

EPFL researchers have discovered how intestinal worm infections cross-talk with gut bacteria to help the immune system. Read More
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