The scientific study of fungi.

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Genetic Decline of Mycelium [closed]

A book I have by Paul Stamets says that after about ten petri dish transfers, genetic decline starts to slow the growth of mycelium. However, there is a four-square mile mycelium colony in Oregon. How ...
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123 views

What is the name of this about 5cm high, grey, Beanie shaped fungus?

I found those below some stone stairs in Germany. The grass gives you an impression of the size (I guess the grass is about 5-7cm tall)
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92 views

What is this white stuff inside apples?

I live at Vancouver, BC, Canada and very often find this kind of white stuff in the apples I buy I used to live in Europe (Switzerland) and never saw that before. It very much look like a fungus. ...
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What proteins are required to synthesize gyromitrin?

This is something I was interested in, from reading about false morels that produce gyromitrin which is hydrolyzed to form monomethylhydrazine. I was wondering about the biological process that ...
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209 views

Is this a plant or a fungus?

It was soft and covered in flies. My guess is fungi. Location: South Florida.
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58 views

What Chemical Trigger Causes Ectomycorrhiza To Change From Asexual To Sexual?

I want to know the trigger behind the change of asexual to sexual ectomycorrhiza when symbiosis with a tree root is formed. As ectomycorrhiza attaches itself to a root, it forms a relationship wherein ...
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38 views

Is this bacteria or fungi?

I've been growing bacteria on an agar plate and after putting the dishes in the incubator, this is what I saw. I'm new to bacteria identification, and is this just contamination by fungi or is this ...
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153 views

Strange Cordeyceps-looking Mushroom in Australia

In the past few weeks, after the rain started up I noticed these mushrooms around my local area. I'd never seen them previously out of the 20 years I've lived here (a town in Queensland, Australia). ...
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50 views

What type of mushroom/fungus is this?

I had someone gift me some old firewood along with some other wood I had purchased from them. I was told the wood in question is popple. However, it was in pretty bad shape and much of it had a ...
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Toxicity of Zinc to fungi

Good day, I would like to know what are the mechanisms and overall effects of Zinc on fungi. I know that C.Albicans is susceptible to Zinc deprivation and Zinc-infused paint is also used to repel ...
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Will yeast nutrient work for growing mycelium? [closed]

Does yeast nutrient (Fermax brand, intended for brewing beer) have all the necessary nutrients for mycelium to grow? I have a bag lying around and I wanted to know if mycelium (specifically agaricus, ...
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26 views

Alternative to Sterilizing Under Pressure

I want to grow mycelium in agar, and all the resources I have found say to sterilize the agar under 15 psi, but I do not have the necessary equipment to sterilize the agar under pressure. Is there an ...
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148 views

Why is Pilobolus phototropic?

Pilobolus is a fungal genus whose fruiting bodies consist of a stalk ending in a spore mass that is launched via turgor pressure to disperse the spores. The fruiting bodies grow towards light, which ...
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39 views

What happens to the mold spores we inhale?

What happens to the mold spores we inhale? I'm guessing when we exhale, many of them are expelled back out to the environment. But given that disease can be caused by mold exposure, I'm also ...
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115 views

Where does fungus store excess food?

Can anyone pin point, as to where and how, the excess food is stored in fungus (mushroom to be specific). Like plants store as starch granules, so where does mushroom store?
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Which should I use the genes of the mitochondrial DNA? [closed]

What should I use for phylogenetic analysis of the genes of the fungus? Which should I use the genes of the mitochondrial DNA?
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584 views

Is there an antagonistic association between Penicillium and Aspergillus?

Some Aspergillus species appear to like walnuts. My question concerns the association of Penicillium and Aspergillus. No sooner does Aspergillus colonize a walnut (or some other challenging carbon ...
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33 views

Where I can download the genome sequence of various species of Fusarium?

I'm looking for genome sequence of various species of Fusarium (a kind of fungus!) on net, but I found no suitable information. Could you please help me out for this purpose? Thanks in advance
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128 views

Can dermatophytes (toenail fungus) survive without oxygen?

I read that fungi in general can switch to alcohol fermentation in the absence of oxygen (https://en.wikipedia.org/wiki/Anaerobic_organism). How about dermatophytes ? ...
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How do I test if microbes have survived after dehydration?

I have a solution containing various bacteria and fungi. My aim is to place solution on filter paper, and wait until it dries. I then wish to test if the organisms have survived, either on the dried ...
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What is the difference between “dikaryotic” and “heterokaryotic” states in the sexual lifecyles of fungi?

Many fungi undergo a reproductive phase in which more than one genetically distinct nuclei (from 2 separate mating types) is present within the same cytoplasm. In the Ascomycota and Basidiomycota, ...
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white and brown mushrooms. same species but…?

On Cooking SE and Wikipedia we wonder if someone can claify: Are white vs brown immature fruiting bodies of Agaricus bisporus different stages of development like many kinds of fruit change color as ...
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138 views

What are those huge plants / fungi on trees called?

I've seen them in Scotland in August 2015: The plants / fungi were quite high (over 2m) on the tree. They are almost circular if you view them from the top, I guess (except for the part where they ...
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86 views

Ways to fight black mold

Is it possible to introduce a microorganism to a colony of black mold that will kill off the black mold entirely and permanently? Is there a common microorganism that likes to eat them and is harmless ...
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Requirements for soil sample transportation over long distance

I need to collected soil sample from agricultural area far away from my lab. It would required about a week for the sample to arrive to lab. I need the soil sample for genomic DNA isolation ...
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Which anti-fungal compounds effective against Grosmannia clavigera?

Grosmannia clavigera ("Blue Stain Fungus") is the fungus introduced by Dendroctonus ponderosae ("Mountain Pine Beetle") when they infest their host (several species of Pinus). Are there any known ...
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187 views

Can a fungus become resistant to a chemical such as Potassium Permanganate?

A friend used potassium permanganate solution to treat tinea on the hands/feet but after some initial success, the tinea seems to be making a comeback. Could the fungus develop resistance to potassium ...
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39 views

How high into the air are spores of molds commonly occurring?

I understand so far that most of the air surrounding us contains mold spores so that given the right environment and a food source they start to grow. I assume this is true for air close to the earth. ...
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219 views

What is this mushroom?

I found a singular mushroom in my back yard, It is jet black, seems to have gills and looks somewhat like a flower do to it's upturned-ness. Sorry for not having spore colors, but I didn't want to ...
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72 views

What is effectiveness of methyl-alcohol as sporicide?

Methyl-alcohol is the weakest alcohol in terms of bactericidal properties. However, I have read that it also works as sporicide. What is the effectiveness of methyl-alcohol in killing the spores of ...
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852 views

Species ID: Buckyball-like fungus

Previous research A friend of mine shared a link of some beautiful fungi: http://imgur.com/a/Dii3H. I was intrigued by the curious critter below -- it seems to have honed the power of buckyball ...
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The ring formation of ringworm

I know ringworm is caused by a fungus on the skin, nails or scalp but what causes the rash to form as a ring instead of like a normal spread out rash?
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1k views

Why do mushrooms grow in rings (sometimes called “Fairy Rings”)?

Mushrooms disperse their spore in all direction. Then why is there a formation of fairy rings? Why do they grow in one shape and not randomly?
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What is this fuzzy, black fungus that grew on my plates in the 4⁰C room? [closed]

I often find the fungus below growing on my (ostensibly) sterile plates in the 4⁰C room. Presumably it takes a few days to reach this size. The colony looks puffy and dimpled in the middle, like a ...
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How Many Generation We can Run a Mycelium of Pleurotus ostreatus/Pearl Oyster?

I am able to grow mycelium successfully on the spent coffee grounds. And mycelium is successfully fruiting once/twice on the same substrate. I am cloning by taking mycelium from the existing one ...
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38 views

Why can't there be fructification of mycelium in submerged culture?

I am very new at this. I am wondering why fed batch cultures produce a lot of mycelia but no fruit. I thought the more mycelia you had, the greater chance of it forming a fruit body. I am refering to ...
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416 views

Why are some fungi poisonous?

There are many poisonous fungi in nature. For example Amanita Phalloides. What reasons could a fungus need poison for? Some species, like venomous snakes, use poison to kill other species as prey. ...
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Molds and fungi usually found on book pages: identifying and preventing further spread

I know I can use bleach to kill most of the spores that live on my walls. I know I have to keep humidity below a certain level and temperature above another to prevent the spread of mold. I have read ...
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685 views

How does yeast dissolve in sugar?

There's this fascinating "kitchen experiment". Take a "brick" of baker's yeast (not dry yeast), and a couple teaspoons of sugar, put them together in a cup and stir together. There's no doubt both are ...
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227 views

Strange looking mushroom found in a dead tree

I'm trying to identify this mushroom my sister found at her campus' lawn. It is brown, looks somewhat like a turtle or a brain and is growing inside of a dead tree trunk. Geographically the campus is ...
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107 views

What is a good identification key for European mushrooms?

I live in the Netherlands, and I am looking for an identification key for mushrooms. Are there any keys you could share?
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280 views

What's the purpose of colorful mushrooms' caps?

What's the purpose for many mushrooms to have colorful caps? Is not it is in their interest to hide as well as possible? Or there are mushrooms that propagate by being eaten, like fruits? Why not all ...
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1answer
105 views

How do mushrooms react to being grown in a microgravity environment?

I'll use Agaricus Bisporus as an example mushroom. If cultured in potato dextrose yeast extract agar, will the resulting growth grow in a normal pattern? Will the sporocarps emerge from the surface ...
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294 views

Beetroot white skin mould

Does a mould make a beetroot poisonous or inedible ? Lemon's mould for instance, makes penicillin, but it's green there, and I'm allergic to penicillin, would the white mould produce penicillin too? ...
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1k views

Yellow/Orange Fungus on Oak Tree

What is the fungus pictured below? The photo was taken October 6, 2013 near San Antonio, TX. I have Googled it and my results suggest Laetiporus root rot (Laetiporus sulfureus). According to this ...
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1answer
85 views

What is the scientific name of such a fungus?

Several days ago, in a bush I found the fungus as attached which is about 25cm in height and does not look like an edible mushroom: Any one has an idea of its scientific name and other details?
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What is this red liquid produced by a fungal colony?

In a jar, where I had some orchid plants, a fungi start growing few days ago. I removed the plants and let the fungi to expand and grow more. After some days, red drops started to appear on the ...
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108 views

Has an artificial symbiotic relationship ever been created?

Have 2 organisms ever been introduced to create a symbiotic relationship that doesn't occur in their natural environment?
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302 views

Where would Saccharomyces cerevisiae be found in highest concentrations in environment?

I have bakers asthma specifically to 'Sc' yeast, and know to avoid bakeries, breweries, etc... I have figured out to not disturb rotting leaf piles, and fermenting bark mulch. Where else? What ...
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313 views

How does a fungus protect itself from digestion by other fungi?

If a fungus releases its digestive enzymes outside its body, how does it protect itself from digestion? How do fungi growing nearby protect themselves? I have tried searching this on google but ...