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How do infants get their very first gut bacteria?

Well, the former is exclusively the answer. Humans (or other mammals, or any species in general) cannot give birth to new species (of bacteria, here); they have to be acquired from the environment at ...
another 'Homo sapien''s user avatar
4 votes
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Doesn't pasteurization kill gut bacteria such as Akkermansia muciniphila?

This is interesting since Akkermansia muciniphila is a strict anaerobic and does not produces spores (which was my first thought on it). However, digging up the original publication (see reference 1) ...
Chris's user avatar
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3 votes

What's the meaning of the label MRE and a number like 162 or 600 in the names of bacteria?

MRE is an acronym for the Microbiological Research Establishment at Porton Down, UK. It was applied to Escherichia coli strain MRE600 as that was where the strain was first deposited, according to ...
David's user avatar
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3 votes
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Where in the biological realm is vitamin B5 chiefly produced?

General Considerations Pantothenic acid is a precursor for the synthesis of Coenzyme A which is essential for most, if not all, living organisms. As bacteria appeared on earth before plants, and can ...
David's user avatar
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3 votes

How do infants get their very first gut bacteria?

There is also evidence that exposure of the newborn to the vaginal microbiota of the mother during delivery might be important for the establishment of its own gut, oral and skin microbiota (Dominguez-...
Sébastien Wieckowski's user avatar
3 votes
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What happens to Bacteria at a low pH?

pH affects the structure of all macromolecules that compose bacteria, and indeed all cells. Here's a shortlist of examples: Lipids Lipids are hydrolyzed by extreme pH levels. They undergo chemical ...
S Pr's user avatar
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3 votes

Is gut bacteria Succinivibrionaceae's low methanogenesis understood well enough for GM of cattle gut bacteria to be considered?

Old question, but: it's worth noting that there is substantial variation in methane emissions even among ruminants such as cattle. And indeed, even among cattle, Succinovibrionaceae are associated ...
Maximilian Press's user avatar
2 votes

Bacteria as predators

They do that because a bacterium contains all the molecules required for life, that is they are a source of amino acids, lipids, glucids and nucleic acids. This is the same reason why we eat in the ...
Gigiux's user avatar
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2 votes

Can consuming acidic drinks help kill bacteria in the stomach?

There is insufficient evidence to claim that soft drinks can kill microbes in the human gut; sugar in them could actually stimulate their growth. Natural acidity of the gastric juice with pH 1.5-3.5 ...
Jan's user avatar
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2 votes
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Understanding the names of microorganisms of the normal body flora

As mentioned in the comments to the question, binomial names for species are odd ones and don't necessarily relate to anything to do with either common location or a function of the species. However, ...
bob1's user avatar
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2 votes
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Meaning of "external demands" in a paper describing the gut-brain axis

From the context, it seems to refer to those demands outside of the human body. i.e. perceptions of the external world. Examples could include a perceived threat, diunal cycles, or stress about that ...
MikeyC's user avatar
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1 vote
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Are there any non-pathogenic gram-positive bacteria in human gut?

A recent Nature article, entitled A new genomic blueprint of the human gut microbiota, contains the following Figure: [Fig. 3 Phylogeny of reference and uncultured human gut bacterial genomes] I ...
David's user avatar
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1 vote

Immune response to IgA positive bacteria

Depending on the precise details of the experiment, I don't see a particular reason to suppose that being coated with IgA should mean that they'll elicit an IgA response. I'm assuming that the "...
iayork's user avatar
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1 vote
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Can consuming acidic drinks help kill bacteria in the stomach?

I don’t know if soft drinks can help ward off bacterial infections in the stomach, however if you’re not taking antibiotics, other acidic compounds can be helpful for that. One of these is apple cider ...
betelgeuse's user avatar
1 vote

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

You really need to understand how cellulase would effect metabolic systemic homeostasis before anyone can answer that. It's an interesting question. At first glance, one could consider that cellulase ...
Aaron43's user avatar
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1 vote

Remove all intestinal bacteria?

This has never happened (at least to my knowledge), since removing all bacteria from a human being would be extremely difficult and also dangerous. And there is a proven relationship between the human ...
Cachi's user avatar
  • 21
1 vote

Where do gut bacteria come from in different organisms

For technical information on the subject, perhaps start with "vertical transmission insect symbionts" on google, which will lead to you to a variety of info's. Studies for symbionts of lice, fruit ...
bandybabboon's user avatar
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