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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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Mushroom-inhabiting fungi
    #29459617 -

In my thread, I posted an article which uses a PCR test to find out how many species of other fungi live in the fruiting bodies of truffles - and the article found 46! That's not including many of the species of bacteria, which are documented too. I think the number is probably much larger than 46, and many just weren't picked up on the PCR or perhaps even known to science! We know humans have hundreds of species living in their gut.

So my question is, is the same true of basidiomycetes? Are they too colonized from the start by a mycorrhizal community? Surprisingly I can't find much research on this in the same way as I can with truffles. I want to know more about the microbiome of a mushroom as it grows. When someone cultivates a mushroom, are they in fact cultivating mushroom plus 100 helper species?

My supposition is that cultures on agar people called 'pure culture' are in fact not - the spores of mushrooms themselves must contain endospores of hundreds of bacteria and mold species, but that some are not detected in culture since they live in community with the mushrooms, and shield themselves within the mycelium of the developing mushroom. Mushrooms, like humans, surely have a microbiome - how could they not? And if the mycorrhizae hitches on the spores, it would be theoretically impossible to actually isolate a fungi in a purely 'pure culture' without the microbiome.

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Re: Mushroom-inhabiting fungi [Re: CreonAntigone]
    #29462973 -

I don't know much specifically on the issue, but i can confidently say it's really likely you're right about there being more than 64 species in even just that single truffle sample, and that basidiomycetes contain symbionts we haven't identified.
Everything is completely teeming with life. It's almost as if you go searching for endophytes, in any new plant or fungal or insect etc. material, you're guaranteed to find new species. They identified that "third symbiont of lichen" as an endosymbiotic basidiomycete yeast whose presence/absence affects the patterns of growth of the lichen. it went overlooked for years, but they occur (I think polyphyletically?) across so many different lichen. There's so, so much unknown and undescribed in the realms of things like lichens, as well as other underappreciated, cryptic things like phytoplankton and bacteriophages. Not only is their existence not described, it's not understood; there's a niche they're all filling but few are working to precisely explain them.

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Re: Mushroom-inhabiting fungi [Re: CreonAntigone]
    #29470582 -

I think you're onto something here...

I'll start looking into this as part of my research on sclerotia and the chemicals that might be hiding. This might be a whole avenue I hadn't conceived of. It's not just about the seen and known fungi metabolising these chemicals but their sub-fungi running a whole host of processes alongside it - producing...?

I wonder how many of them are parasitic? I'm still having my mind blown.

:strokebeard: I will be observing...


--------------------
Be lucky, may light walk with you.





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Re: Mushroom-inhabiting fungi [Re: CreonAntigone]
    #29471038 -

Some might be artifacts that were overgrown and encapsulated by the truffle as it grew.

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Re: Mushroom-inhabiting fungi [Re: CreonAntigone]
    #29672313 -

CreonAntigone said:
When someone cultivates a mushroom, are they in fact cultivating mushroom plus 100 helper species?

My supposition is that cultures on agar people called 'pure culture' are in fact not - the spores of mushrooms themselves must contain endospores of hundreds of bacteria and mold species, but that some are not detected in culture since they live in community with the mushrooms, and shield themselves within the mycelium of the developing mushroom. Mushrooms, like humans, surely have a microbiome - how could they not? And if the mycorrhizae hitches on the spores, it would be theoretically impossible to actually isolate a fungi in a purely 'pure culture' without the microbiome.


This is my thought exactly, as far as I know, we as cultivators look for the health/vigor of mycelium by looking at it and seeing if it is symmetrical and white and distinct.

A lot of what we call contam is everything that would make the mycelium (co culture) not look symmetrical and white and distinct.

So im thinking as long as the mycelium looks "good" to the cultivator and produces them fruits, why would they have a reason to care about the (unnumbered) cohabitants that help the mycelium get the job done


--------------------
"Why try for high fives,
When my pies have nine lives?"
DUBJUG : H.D. : PLASTIC-MYC : TGE : JOIN CAKE WARS : MODERN FRUITING : MCWA : QDMT : ♾️ : MY FAV TEKS πŸ“–

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Re: Mushroom-inhabiting fungi [Re: langten69]
    #29675124 -

I should emphasize: reading these studies back, the amount of other fungi present in a fruit body is quite small. For fall truffles, PCR reads were 99.74-99.99% truffle. So we're talking about a less than .3% amount, although that amount could still be really consequential as it decays.


Edited by CreonAntigone (09/22/26 07:53 PM)

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