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Ocean microbes display remarkable genetic diversity in each drop of seawater

The smallest, most abundant marine microbe, Prochlorococcus, is a photosynthetic bacteria species essential to the marine ecosystem. An estimated billion billion billion of the single-cell creatures live in the oceans, forming the base of the marine food chain and occupying a range of ecological... Read More

New research shows that bacteria survive longer in contact lens cleaning solution than previously thought

Each year in the UK, bacterial infections cause around 6,000 cases of a severe eye condition known as microbial keratitis - an inflammation and ulceration of the cornea that can lead to loss of vision. The use of contact lenses has been identified as a particular risk factor for microbial kerati... Read More

Yersinia pestis bacteria

Scanning electron micrograph of Yersinia pestis, which causes bubonic plague, on proventricular spines of a Xenopsylla cheopis flea. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) Read More

TWiM 70 Letters

Jim writes:


Just heard TWIM 67 -- excellent of course -- and recalled, like Elio, being in basic training in the 60's when meningitis cases occurred on the base and we had to sleep with all the barracks windows open. I think we were double-bunked but can't recall if w... Read More

Frozen bacteria repair their DNA at -15ºC

Bacteria encased in ice can be resuscitated after thousands, perhaps even millions of years. How these hardy bugs manage to survive deep freeze is something of a mystery. If nothing else, the low levels of radiation hitting Earth’s surface should cause any ice-bound bacterium’s DNA to break apa... Read More

A WORD on the constraints of influenza virus evolution

Evolution proceeds by selection of mutants that arise by error-prone duplication of nucleic acid genomes. It is believed that mutations that are selected in a gene are dependent on those that have preceded them, an effect known as epistasis. Analysis of a sequence of changes in the influenza vir... Read More

High Dose Therapy for Influenza Drug - ICAAC 2013

Critically ill patients with the pandemic H1N1 influenza who received triple the standard dose of the influenza drug oseltamivir were 7 times more likely to completely clear the virus from their system in 5 days than those who received the standard dose. This discussion addresses the healthcare... Read More

Dueling Infections: Parasitic Worms Limit the Effects of Giardia, and Vice Versa

If the idea of hookworms makes you shudder, consider this: Those pesky intestinal parasites may actually help your body ward off other infections, and perhaps even prevent autoimmune and other diseases.

Studying members of the Tsimane, an indigenous population in the lowlands of Central Boliv... Read More

How bacteria in your gut affect your mental health

Scientists searching for the underlying causes of mental illness have discovered a surprising contributor — it appears the bacteria that live in your gut may play a major role in your mental health and well-being.

CBC Radio science columnist Torah Kachur spoke to researchers such as Karen Mad... Read More

The protective milk shot – How mother’s milk protects piglets from parasite infections

Coccidiosis is a serious disease in new-born piglets. Caused by the parasite Cystoisospora suis, it exclusively infects pigs and often causes severe diarrhoea in suckling piglets. Parasitologists at the Vetmeduni Vienna have developed a new strategy for protecting the piglets: They infected sows... Read More

Cancer-Causing HPV Virus Directly Damages DNA

Human papillomavirus (HPV) can damage chromosomes and genes directly, researchers report in a new study. HPV is a virus that can cause anal, cervical, head and neck cancers, and according to experts, it produces two viral proteins (E6 and E7) that are involved in the development of those diseas... Read More

Pig-killing PEDv virus moves into Canada

Canada has discovered its first two cases of the Porcine Epidemic Diarrhea virus (PEDv), which has already killed more than 1 million pigs in the United States, government and industry officials said on Thursday.

The Ontario government is investigating a hog farm in the province's Middlesex C... Read More

How the Body’s Cells Hold on Tight

When I was nine, biology gave me my first existential crisis. If I am built out of trillions of tiny cells, I worried, what’s to keep me from crumbling into a pile like a dried-out sandcastle? Almost two decades later, as a Ph.D. student in mathematics at the University of California, Davis, I’m... Read More

Interview with Prof. Dr. Dwij Raj Bhatta

Respected Sir,

Microbiology World is a bi-monthly e-magazine, which publish articles based on Microbiology and related fields of Life Sciences. Microbiology World has been established in 2013 and has been supported by several organizations.
I, editor in chief of this magazine, would be glad... Read More

Environment influences ability of bacterium to block malaria transmission

The environment significantly influences whether or not a certain bacterium will block mosquitoes from transmitting malaria, according to researchers at Penn State.

The researchers used a species of malaria parasite that affects rodents, Plasmodium yoelii, and the mosquito, Anopheles stephens... Read More

To combat the overuse of antibacterials, stop using the absolutely terrible word, "antibiotic"

There are many reasons why bacteria evolve resistance to antibacterials, but one of the preventable reasons is the over-prescription of antibacterials to patients who don't have bacterial infections. But how to get people to stop asking for antibacterials? My suggestion is to stop using the wor... Read More

Tamoxifen drug appears to kill fungus associated with deadly brain infection

The drug tamoxifen appears to kill a fungus associated with a deadly brain infection that afflicts HIV/AIDS patients, according to a University of Rochester study published online today by mBio, the journal of the American Society for Microbiology.

Click on 'source' to read more. Read More

Hijacking bacteria's natural defences to trap and reveal pathogens

Bad bacteria could soon have no place left to hide, thanks to new materials that turn the cell’s own defences against them.

Scientists at The University of Nottingham and GSK Consumer Healthcare have developed a technique that could locate the potential source of an infection by hijacking the... Read More

Mycobacterium smegmatis using transmitted light

Isolated colony of Mycobacterium smegmatis grown on TSA for 96 hrs at 37 degrees C. Margin is lobate with an irregular-rhizoid form. Image taken using transmitted light. Read More

Diet Affects Men’s and Women’s Gut Microbes Differently

The microbes living in the guts of males and females react differently to diet, even when the diets are identical, according to a study by scientists from The University of Texas at Austin and six other institutions published this week in the journal Nature Communications. These results suggest ... Read More

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