Throughout our lives we continue
to shape our microbiome. In fact, I see them in life as the date of your
exposure, as puberty. Pharmaceuticals, diet, infections, sex hormones, even
environmentally toxic substances can act as selective pressures that contain
microbes and what they are producing and therefore how they interact with the
host. ۔ And really rein to reinforce it. And add to the complexity, if we focus
on one point in time, not all microbiomes are equal. In this case, the study of
gut microbiome in developing and developing adults. Here in red and green, we
surpass the microbiome of the Malawian and American populations. We have the
American population in blue. And basically every single place is what kind of
bacteria are present in the gut microbiome of these people and how do we work
with the data that we say that the microbiome profile of our cocourt How
similar it is to all other microbiome profiles. And we calculate a distance.
How similar it is, how close it is to how many microbes they have and how many
of them there are, how many of them there are. And that's just the concept of
calculating that distance. So if we have two spots in this study representing two
gut microbiomes of individuals who are planning together, it means that the two
gut microbiomes are similar to each other. But from what you can clearly see in
it, is this American gut microbiome very different from the population of
Meridianand and Malawi? And although Malawianand's marine population is on two
different continents, in these less developed countries their gut microbiome is
more like each other than the gut microbiome of the American population. To
bolster what we have submitted to our microbiome in the United States, it is
only looking at the types of bacteria that have been found to have acrostatic
populations. We have drastically reduced the diversity of the American
population and the number of different types of bacteria compared to less
developed countries. And what's really amazing about this research is that
we're getting clues as to why this is happening. When the shotgun metagenomics
with the study found all the genes and pathways and these microbiomes, what was
really the difference between these populations, which was really amazing, is
that the adults of Amerindian and Malvian are really richer for alpha amylase.
Were Therefore, it is an enzyme that breaks down complex plant polysaccharides.
Therefore, the food included in the population of Malawi and Marinden is
basically a plant polysaccharide, which is a plant based food. In the American
population, we see simple sugars enriching the microbial metabolic pathways to
advance.
Found in processed foods, as we all know. So at least one feature, one
thing we know about them is that they're running the sects in the gut
microbiome that we use to find these populist sects in nutrition. And it was
also recently strengthened by Pete Turnbull, a faculty member here. It was a
study of 10 really amazing diets. And what Peter did was take those people and
see how a plant-based animal-based diet can actually affect a healthy gut
microbiome. And here we are showing the amount of fiber in the diet of these
people before starting the study, then they got four days of plant based diet,
the other participants got four days of animal based diet and as you would
expect plants Dietary or plant-based fiber content Polysaccharide content is
very high in an animal-based diet that is very low. In addition, plant-based
foods have a higher fat content than animal-based diets, and the protein
content of these two diets is also dramatically different, and they may be able
to detect that these important nutrients Plant-based food is really transmitted
with the identification of other animals. Food based What was really amazing
was that when Peter calculated the distance again, how similar they were to the
microbiomes of these individuals after they started their plant-based diet
before they started their plant-based diet, really much There was no way to
change. Plant-based foods do not really affect the gut microbiome.
In contrast,
diet-based diet introductions really add to that distance. And what it tells us
is that the microbiome is very different from the microbiome that was not there
before the introduction of plant-based foods. But it's not just about the
synthesis of the microbiome that matters. The study also found that you change
the molecular output of thyrobiome by changing your diet. And we can see here that
in plant-based diets, in animal-based diuretics, tokyo-short chain fatty acid
acetate and butyrate have been significantly reduced. And it makes sense
because they are the fiber products of microbial fermenting plants. And what's
really important is that short-chain fatty acids are very important Sources of
energy are the cells that connect the intestines, they are anti-inflammatory
and they have anti-inflammatory properties. And we think they have these
activities because we have mutated with microbes that have traditionally
incorporated our plant-based food into the smaller molecules that extinguish
inflammation and improve the health of the system. Promote And with that, I'm
sure you won't be surprised to learn that increasing levels of disease are related
to the microbiome. And for example, things like skin disease are disturbed in
dermatological conditions like psoriasis. But what is really interesting is
that we are now saying that conditions like obesity are also linked to gut
microbiome mutation.
But the most amazing thing is that we are looking for
conditions that are very difficult to treat and that we are not really
connected to the disruption of the hit microbiome like depression and an autism
spectrum disorder. To suggest that the gut microbiome may actually affect
distant organs. And here are a couple of important seminal studies that have
shown this. They have shown that disturbances associated with microbiome are
also associated with vasculitis spectrum disorder and heart disease. But the
important thing is that these studies have shown that these are microbial
metabolites, microbial products that are responsible for these disorders and
most of this work has been done in mice with follow-up work in humans. So it
suggests that Thugt is not like Vegas, what happens in Gutdos doesn't live in
the gut. It actually enters the circulation of these tiny molecules, and
perhaps some of them are things that can cause the germs themselves to actually
migrate to tour sites throughout the body and alter the physiology of the
organs there. Helps to improve the health of remote organs.
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