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jussipussi
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Tämmöstä.

"Elite athletes really are different from you and me. Or, at least their gut microbes are.

Scientists who analyzed stool samples of 15 runners a week before and after they competed in the 2015 Boston Marathon found unusually high levels of one particular microbe compared to 10 non-athletes.

Levels of the microbe in question, Veillonella, spiked after an intense workout and bloomed even more after the marathon.

That was a lightbulb moment for the scientists because the bacterium is known for breaking down and eating lactate, a metabolite even ordinary runners equate with fatigue.  

Veillonella acts like a “metabolic sink” for lactate, the scientists suspect, converting into fuel the by-product of hard-working muscles runners blame for their aching legs in the latter part of long-distance races. The bacteria turn lactate into propionate, a short-chain fatty acid that’s a source of energy and can also be an anti-inflammatory, a Harvard-affiliated team of scientists reported Monday in Nature Medicine.

In theory that sets up a feedback loop: When the athletes are exercising, they are constantly producing lactate. They are also creating a niche in their microbiome for organisms that can use lactate as a primary energy source."

https://www.statnews.com/2019/06/24/elite-athletes-different-microbes/ .

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