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Paper-based test can quickly diagnose Ebola in remote areas (video)

BOSTON, Aug. 18, 2015 -- When a fever strikes in a developing area, the immediate concern may be: Is it the common flu or something much worse that requires quarantine? To facilitate diagnosis in remote, low-resource settings, researchers have developed a paper-based device that changes color, d... Read More

A Green Thumb for Ocean Microbes

MIT-WHOI Graduate student Kristen Hunter-Cevera describes the challenges and obstacles involved with growing marine microbes (in her case, Synechococcus) in a laboratory setting, and outlines the value of her research in understanding marine biogeochemistry. Read More

Pseudomonas aeruginosa with pyoverdine extracellular pigment

This strain of Pseudomonas aeruginosa isolated from wound make a green pigment: pyoverdine. Pyoverdine is a fluorescent siderophores for to acquire iron.
Pyoverdine biosynthesis in Pseudomonas aeruginosa and fluorescent Pseudomonads is a complex process.

Credits: dr. Francesco d'Aleo & Robe... Read More

Diarrhea in cats

Barbara Hinney and her colleagues from the Institute for Parasitology at the University of Veterinary Medicine, Vienna, screened 298 faecal samples taken from cats across Austria for single-cell intestinal parasites, so called enteric protozoa. The samples came from private households, catteries... Read More

Why are bacteria all the same size

Just when we think we know everything, a story comes along to remind us that there is something fundamental--and seemingly elementary--that we still haven't figured out. “Why are we the size we are? Why are our organs the size they are? Why are the cells in those organs a stereotypical size? Wha... Read More

Interrupting the transmission cycle: A protein required for dengue virus infection of mosquitoes

There is currently no approved specific treatment or vaccine for dengue fever, and an estimated 2 billion people are at risk for being bitten by Aedes mosquitoes and infected with the dengue virus (DENV). A study published on October 22nd in PLOS Pathogens introduces a candidate target for a tra... Read More

Sweet Valentine

Four intracellular Toxoplasma gondii parasites are shown undergoing cellular division by an internal budding process known as endodyogeny. Staining with a T. gondii surface antigen provided heart-shaped images (shot on Valentine’s Day). The definitive host of these parasites is the cat, but they... Read More

NIH-funded study establishes genomic data set on Lassa virus

An international team of researchers has developed the largest genomic data set in the world on Lassa virus (LASV). The new genomic catalog contains nearly 200 viral genomes collected from patient samples in Sierra Leone and Nigeria, as well as field samples from the major animal reservoir, or h... Read More

Chestnut leaves yield extract that disarms deadly staph bacteria

Leaves of the European chestnut tree contain ingredients with the power to disarm dangerous staph bacteria without boosting its drug resistance, scientists have found. Read More

Exophiala dermatitidis morphology

Colonies are initially black and yeast-like, becoming suede-like, olivaceous grey and mould-like with age. This photo show the morphology of colony after a week.

Credits: F. d'Aleo - B. Rogolino - A. Barbaro
Ospedale Bianchi Melacrino Morelli - Unità di Microbiologia Read More

Some vaccines support evolution of more-virulent viruses

Scientific experiments with the herpesvirus such as the one that causes Marek's disease in poultry have confirmed, for the first time, the highly controversial theory that some vaccines could allow more-virulent versions of a virus to survive, putting unvaccinated individuals at greater risk of ... Read More

Microscopic Photography of Aspergillus niger

This cutely radish photo of the colony of Aspergillus niger was taken by a digital camera. Before that Aspergillus niger was grown on SDA (Saboraud Dextrose Agar) media for the research purpose of testing antifungal activity of Scallop Powder(SP). SP ,a natural source obtained from Bivalves, can... Read More

Role of breast cell infection in flu transmission between mothers and breast-feeding ferrets

Influenza is known as an infectious respiratory disease, but a study published on October 8th in PLOS Pathogens suggests that infected cells in breast tissues could play a role in virus transmission from mothers to breast-feeding infants and vice versa using a ferret model. Read More


As a trio, three antibiotics that aren’t individually effective against a drug-resistant staph infection killed the deadly pathogen in test tubes and mice. Read More

Kirby-Bauer Testing: The Gold Standard for AST

Our sensitivity instruments rarely ever go down, but when they do our lab uses Kirby-Bauer testing to perform antimicrobial susceptibility testing in our laboratory. This testing involves placing antibiotic-infused discs on a standardized inoculum of bacteria spread in a lawn onto a Mueller Hint... Read More

Thanks ;)

Perfect for the last slide of a research presentation.
4 bacteria was used : Escherichia coli (Thank - White), Micrococcus luteus (for - yellow), Dickeya dadantii (your - white), Serratia marcescens (you, attention - red). Read More

Unknown from Handprint #1

Organism seen on handprint, presumably Bacillus sp. Organism grew out from the center with rhizoid growth, lobate edges, tan coloration, glossy throughout the colony, Read More

Family Ixodidae - Hard Tick Mouthparts

This is an Portuguese Hard Tick´s unpublished image, taken on a Parasitology class, at Faculty of Pharmacy, University of Lisbon. Here we can see the three mouthparts components: the highly mobile palps are the two outside jointed parts ; the center rod-shaped structure, the hypostome, is pro... Read More

Agar Art 2016 Contest Submit by May 6

We hope you've started plating your dishes! Here are some of the 2016 entries thus far. Show us your creative streaking! For contest entry rules visit: www.microbeworl.org/art. Submissions close May 6, 2016 11:59 P.M.EST.Entries pictured from left to right: Symbol of ASM, A Once in a Lifetime Ki... Read More

Blood agar/Hemolysis

Three organisms inoculated onto blood agar, straight line inoculation, to demonstrate hemolysis. From top to bottom:
Streptococcus pyogenes: beta, complete lysis of red blood cells, clear area around colony growth.
Streptococcus bovis: alpha, incomplete lysis of red blood cells, green area ... Read More
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