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Questions tagged [gut-bacteria]

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Bacteria involved in rumen fermentation

Could somebody please point out to me the main species of bacteria and fungi involved in Rumen Fermentation, (digestion of cellulose), in herbivores?
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How does drinking too much alcohol affect the gut bacteria?

How does drinking too much alcohol for many days affect the gut bacteria?
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Why do some people have symptoms of salmonella and others not?

So I was reading from the Mayo Clinic website and they say that typically people with Salmonella have no symptoms, but why? Why do some people have symptoms and others not? Salmonella does after all ...
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Are there any non-pathogenic gram-positive bacteria in human gut?

I wish to know if there are any non-pathogenic (not even opportunistic pathogen) gram-positive bacteria in the human gut? Is there any reference that shows there exists a non-pathogenic gram-positive ...
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Immune response to IgA positive bacteria

If certain bacteria can be coated with IgA in vitro, does that mean they are likely to elicit an IgA immune response? Edit I'm working on a project that involves IgA-Seq analysis. Bacteria are coated ...
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Can consuming acidic drinks help kill bacteria in the stomach?

All around us we hear and read articles which suggest that soft drinks or carbonated beverages are acidic and damage our body but we still consume them (or atleast a significant proportion of us do). ...
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What happens to Bacteria at a low pH?

I am conducting an experiment on how different pH levels effect the growth of E.coli. After researching, it is predicted that the most acidic pH level (pH 2) will be most effective at killing (or at ...
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Is gut bacteria Succinivibrionaceae's low methanogenesis understood well enough for GM of cattle gut bacteria to be considered?

After watching the Periodic Table of Videos episode linked in this question I watched the episode Wallabies and Methane where Sir Poliakoff says (a bit after 02:00):...
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Bacteria as predators

Why do some bacteria kill each other? And how do they do that? It's really a mind-blowing thing if you think about it. Please give me a simple answer.
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Can the human gut work with other type of gut bacteria?

I was wondering if the human body would be capable of functioning with, say, cellulolytic bacteria in their gut (instead of or in addition of their current bacteria), like that of ruminants and if ...
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Bacteria utilize short chain fatty acid as energy source

I'm doing research about the short chain fatty acid producing bacteria. I studied 7 short chain fatty acid (acetic propionic butyric isobutyric valeric isovaleric and captionic). and I found that the ...
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Can gut flora affect what we can eat and what we cannot?

Back many years ago, I've read a mushroom guidebook, which I don't have anymore. I was unable to find the name of a particular mushroom. The book comprises listing of edible and poisonous mushroom ...
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Neurological response to food cravings caused by bacteria

Our microbiome (Kurzgesagt video) is thought to send our brain information to chose certain foods to eat over others and it's our increase in a certain type of bacteria that will form a stronger ...
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Where do gut bacteria come from in different organisms

We know that some of the bacteria in our gut come from the food we eat and our environment. I want to know if there is evidence of bacteria being transferred from the mother to her fetus or from the ...
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How do infants get their very first gut bacteria?

First of all, I'm a complete layman in Biology. Recently I read "The evidence for evolution" by Richard Dawkins. Pondering about this matter, I wondered about the origin of human gut bacteria (could ...
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668 views

Would modifying the human microbiome to digest cellulose be worth it? [closed]

I've read that cellulose has a lot of calories that go unused. I was wondering how practical it would be to incorporate a bacteria capable of suggesting cellulose into the human gut. I would say that ...
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Remove all intestinal bacteria?

I've heard that this has happened to a few people before in extenuating circumstances, but don't know where to search for more information on this. Is there a name for this? What are some major ...
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Role of non-inflammation in H.Pylori positive people

Quoted from Saudi J Gastroenterol. 2009 Jul; 15(3): 201–207 publication : Approximately 50% (over 3 billion) of the world populations are known to be infected with Helicobacter pylori, mainly in ...
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What does it take to start producing(cultivating) probiotics?

Is there a DIY way? Is it possible to make a bacteria strain from scratch based on an existing one ? (for example lactobacillus reuteri).
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Thermophilic yoghurt bacteria survivability in the gut

Would they mostly not simply perish since they need much higher than body temperatures to thrive? Are mesophilic ones (such as kefir) much better at that and thus have better probiotic functions?