Bacteria

Sequencing the microbiome, the genome of the microbes that we carry

Human beings are bipedal ecosystems that carry a number of microbes that exceed that of their own cells. Identifying and counting these microorganisms "is like exploring a new unknown planet," say scientists from the Human Microbiome Project consortium, which after five years of work has released the genome sequences of microbes that live in the human body in fourteen articles.

How many bacteria are there in an office?

People in developed countries spend 90% of their time indoors. It has been calculated that there are 1,000,000 bacteria per cubic meter in the air we breathe in an office building. Q But what about chairs, desk tables, telephones, mice, and computer keyboards? How many different microbes are we exposed to on a daily basis through these surfaces?

Vitamin B12 is a molecule

Vitamin B12, one of the ingredients of a healthy diet, turns into a gymnast when it enters the body, according to research conducted by scientists from the University of Michigan Health System and the Massachusetts Institute of Technology.

They detect bacteria in orange juices

About 40% of the natural orange juice consumed in Spain is prepared in bars and restaurants, but according to a study by researchers from the University of Valencia (UV), the improper handling of oranges and the lack of cleanliness of the devices used During the process they favor bacterial contamination of the product.

Children born by cesarean section suffer more allergies

A study from the University of Copenhagen (Denmark) reveals that the fewer the number of bacteria that live in our intestines during childhood, the greater the risk of allergies as we become adults. This implies that babies who are born by natural birth and who are therefore exposed to bacteria from the maternal rectum, have a lower risk of asthma and allergies than those born by cesarean section.

Along the roads there are more superbugs

Antibiotic-resistant E. Coli bacteria are much more abundant in roadside populations than in rural villages far from roads, indicating that roads play an important role in the spread or containment of roads. Antibiotic-resistant bacteria, known as superbugs, according to a new study.

Holograms to identify bacteria

A team of researchers from the University of California (USA) has developed a microscope capable of detecting tiny bacterial outbreaks using holograms, a three-dimensional laser photography technique, according to the journal 'Biomedical Optical Express'.

Why does bleach kill bacteria?

Sodium bleach or hypochlorite, developed over 200 years ago, is now found in homes around the world and is one of the most widely used disinfectants. But how does it kill bacteria?

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