Not only Fitness and nutrition: influence, such As special bacteria and our performance

Certain intestinal bacteria can increase athletic performance. The writing of American researchers to Aleksandar Kostic from the Joslin Diabetes Center in Boston (Massachusetts, USA) in the journal “Nature Medicine”, after you have analyzed stool samples from marathon runners.

It occurred to me that the bacteria of the genus Veillonella had a week after the race greatly increased. The researchers believe that these microbes Lactate, resulting in a great effort in the muscles, convert into short-chain fatty acids. This so-called Propionate, which is the efficiency increase, as the researchers write, include.

Researchers are investigating the feces of the Marathon runners

The discovery began with faecal Samples from 15 participants in the Boston marathon in 2015, which have been in a week before and a week after the event almost daily. Kostic and his Team studied the samples on the composition of the intestinal bacteria.

“One of the things that immediately attracted our attention, was the individual organism, Veillonella, which was immediately after the Marathon the runners much richer present,” is Kostic cited in a communication from the Joslin Diabetes center. As a control group of ten persons with predominantly sedentary activity were used.

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With certain intestinal bacteria test mice run to exhaustion

The researchers were able to confirm the propagation of veillonella bacteria after strenuous athletic activity in stool samples from 87 ultra-marathon runners and rowers. In addition, they reviewed the effect of Veillonella, by introducing the bacteria in the intestines of 16 mice. Subsequently, the mice ran to exhaustion in a rat race. The mice, which Veillonella were microbes administered, were on average 13 percent longer than the mice in a comparison group.

It was known that Veillonella bacteria Lactate use as a sole carbon source. Lactate caused by prolonged exercise in the muscle. In an experiment with mice, the group Kostic showed that Lactate can pass through the intestinal wall into the intestine.

So the bacteria in the body

There, they are converted from veillonella in short-chain fatty acids, including Propionate,. About the effect, the scientists write in relation to earlier research results: “It has been shown that Propionate will increase the heart rate and the maximum Rate of oxygen consumption, the blood pressure in mice affect, as well as the energy consumption in the idle state, and the burning of fat in fasted people.”

Their findings want to use, the researchers also medically: “What we imagine is a probiotic Supplement that can occupy the people, to improve their ability to more meaningful movement and protect against chronic diseases, including Diabetes,” said Kostic.