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On The Definition of Prokaryotes

As will be argued below the present definition of a prokaryote is highly unsatisfactory. To give an example: a prokaryote is "a cell or organism lacking a nucleus and other membrane-enclose organelles, usually having its DNA in a single circular molecule" (Brock, Biology of Microorganisms, 10th ... Read More

By introducing DNA from other organisms, scientists enhance production of compounds in fungus

The enzymes and compounds produced by fungi are of great interest to the pharmaceutical, textile, paper and food industries. These organisms are capable of secreting, their nutritional needs are low and have high growth rate. A group of researchers from the National Autonomous University of Mexi... Read More

On the trail of the truffle flavour

German an French Scientists found out: Soil bacteria contribute to the taste and smell of white truffles.

Truffles, along with caviar, are among the most expensive foods in the world. Because they grow underground, people use trained dogs or pigs to find them. But the distinctive smell of tru... Read More

In vivo generation of DNA sequence diversity for cellular barcoding

na Read More

Pictures Considered #21. Southern Blot

"... These results, gained with a novel method for blotting (E. M. Southern, manuscript in preparation), have also led to the identification of the Bam Hl recognition sequence". It is rather unusual to find unpublished work referred to in the abstract of a paper, to put it mildly. But this was e... Read More

Animals steal defenses from bacteria

It's a dog eat dog world, and bacteria have been living in it for a long time. It's of no surprise that bacteria have a sophisticated arsenal to compete with each other for valuable resources in the environment. In 2010, work led by University of Washington Department of Microbiology Associate P... Read More

We'd all like to get to Mars. Let's make sure we don't get sick along the way.

While Hollywood loves to imagine humans encountering all manner of horrific monsters in the depths of space, the greatest threat to a long-term, manned space mission may not come with tentacles, or extra mouths, or an insatiable love for human flesh. It may, in fact, be the invisible microbes t... Read More

Millions of Doses of Ebola Vaccine to Be Ready by End of 2015

The World Health Organization (WHO) announced plans on October 24 to produce millions of doses of two experimental Ebola vaccines by the end of 2015.

Hundreds of thousands of doses should be available to help affected countries before the end of June, the WHO said at the conclusion of a meeti... Read More

Research shows mushroom extract, AHCC, helpful in treating HPV

A Japanese mushroom extract appears to be effective for the eradication of human papillomavirus (HPV), according to a pilot clinical trial at The University of Texas Health Science Center at Houston (UTHealth) Medical School.

The results were presented at the 11th International Conference of ... Read More

Immune cells proposed as HIV hideout don't last in primate model

Where does HIV hide? Antiretroviral drugs can usually control the virus, but can’t completely eliminate it. So any strategy to eradicate HIV from the body has to take into account not only the main group of immune cells the virus targets, called CD4 or helper T cells, but other infected cells as... Read More

For enterics, adaptability could be an Achilles heel

In research published in Nature Chemical Biology, scientists from RIKEN in Japan have discovered a surprisingly simple mechanism through which enterics can adjust to the very different oxygen environments inside the human gut and outside. This research, which was led by Shigeyuki Yokoyama and Wa... Read More

#microMOOC Microbes around us (in Spanish)

Microbes around us is an introductory open on line course of microbiology. Key words are: bacteria, virus, biodiversity, microbial evolution, extremophiles, microbiota, rumen, nitrogen cycle, biotechnology, industrial microbiology, biodegradation, biofuel, microbial engineering, infectious disea... Read More

Typhoid gene unravelled

People who carry a particular type of gene have natural resistance against typhoid fever according to new research published in Nature Genetics.

Lead researcher, Dr Sarah Dunstan from the Nossal Institute of Global Health at the University of Melbourne said the study is the first large-scale,... Read More

Separate forms and nodules of bacteria growth

IMAGE OF DISTINCTION Nikon SMALL WORLD 2013 PHOTOMICROGRAPHY COMPETITION

Neil James Egan, PPG Industries, Electro-coat Quality Assurance
Cleveland, Ohio, USA

Subject Matter: Separate forms and nodules of bacteria growth (20x)
Technique: Stereomicroscopy

Click "source" to view image. Read More

Peptic ulcer, cancer bacteria therapy discovery

A common ingredient in vegetable oils may help reduce infection with a bacterium that can cause stomach cancer and peptic ulcers, according to a study by UC San Diego scientists.

The ingredient, linolenic acid, killed the bacterium Helicobacter pylori in mice and reduced inflammation without ... Read More

Schistosomas: Tropical parasite uses swim stroke not shared by any other creature

For many bacteria and parasites looking to get a load of the fresh nutritional bounty inside your body, the skin is the first and most important gatekeeper. Schistosomas, however, and burrow right on through. These waterborne blood flukes, responsible for 200 million total worldwide cases of Sch... Read More

Gut–brain link grabs neuroscientists

Companies selling ‘probiotic’ foods have long claimed that cultivating the right gut bacteria can benefit mental well-being, but neuroscientists have generally been sceptical. Now there is hard evidence linking conditions such as autism and depression to the gut’s microbial residents, known as t... Read More

MWV Episode 88 - This Week in Virology #300 - So Happy Together

This Week in Virology, the podcast about viruses, celebrated its 300th episode on Tuesday, August 26, 2014 with a live recording at the Washington, DC headquarters of the American Society for Microbiology. This special episode features the TWiV hosts Vincent Racaniello, Dickson Despommier, Al... Read More

Genome sequenced of enterovirus D68 circulating in St. Louis

Researchers at Washington University School of Medicine in St. Louis have sequenced the genome of enterovirus D68 sampled from patients treated at St. Louis Children’s Hospital. Nationwide, the virus has spread rapidly in recent months and caused severe respiratory illness in young children, wit... Read More

Altered milk protein can deliver AIDS drug to infants

A novel method of altering a protein in milk to bind with an antiretroviral drug promises to greatly improve treatment for infants and young children suffering from HIV/AIDS, according to a researcher in Penn State's College of Agricultural Sciences.

That's critical because an estimated 3.4 m... Read More

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