Share Print Thursday, April 21, 2011
human digestive tract, the host ecosystem full of trillions of living bacteria, comes in three versions, in contrast, as blood, according to a new study. These so-called "enterotypes" are in populations worldwide and exist regardless of race, country of origin, diet, age and health, the author of the study report. These data are important for detection and prediction of risk of diseases ranging from intestinal cancers diabetes Crohn's disease, a painful inflammation of the intestine, they write They also show that some strains of bacteria -. different concentrations of all three intestinal type -. increase the likelihood of obesity, the discovery may help explain why some people struggle more than others to lose weight "is more effective bacteria extract energy from food, the more likely that a person has a high body mass index" or BMI, says co-author Professor Stanislav Dusko Ehrlich, National Agronomic French Research Institute. " Looking for genes mikrobioty tells us with much greater precision than looking at individual genes, if someone is obese or not, "he says. BMI measures the deviation from the optimal level of body fat. In a study published in may also help scientists to tailor the treatment of certain diseases of the intestinal profile of the patient. " three types of cancer to explain why the absorption of drugs and nutrients varies from person to person, "says Yerun RAPN, fellow VIB-Vrije Universiteit Brussel, and co-author of the study. "This knowledge can be the basis for personalized medicine for the treatment and dose determined based on the ear," he says, that some bacteria 100000000000000 -. to 1000 different species - live in our intestines, where they play a crucial role in converting food into energy and protects us from pathogens. In exchange for our digestive tract provides these single-celled guests food and roof. This symbiosis is an important element for human health, but when disrupted can lead to violations of the consequences of poor digestion to death. " Some types of bacteria strattera 10mg can become too much, while others may disappear. It can occur at any time in life, "says Ehrlich. Scientists can now seek to develop procedures designed to promote "good" bacteria, or inhibit the growth of those who harm us, to restore balance. He said: "We can even imagine one day" change "microflora of a healthy person that a patient suffering from serious diseases," he says forests, tundra and tropical jungle
three types -. called bacteroids, Prevotella and ruminococcus - named for the bacteria that dominate in the intestine in each case "Ecosystems tend to evolve towards a stable equilibrium, with some species becoming dominant while others occupy niches .. "It also seems to relate to our intestines," says RAPN, comparing the human intestinal microflora in the forest, tundra and tropical jungle. It is still unclear whether the person can move from one group to another for life, say researchers. The study showed that vitamin production also varies sharply between three types of the intestine. People in group Bacteroides better able to generate vitamin C, B2 and B5, while under Prevotella showed higher levels of B1 and folic acid. Researchers caution that the results, while robust, were based on samples of several hundred people, and that further research to determine whether additional types of bacterial ecosystems in the gut. Tags:,,,
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