Questions tagged [mycology]

The scientific study of fungi.

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25 views

Is there species of mushrooms that grow in the wild in Mediterranean environment?

I'm looking for species of mushrooms which can grow wild (or with minimal human intervention) in Mediterranean environment (which is characterized by dry summers and mild, wet winters.), specifically ...
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Doubts about what is growing in my bacteriological cultivation

Foreword: I don't belong to the field at all, I am a high school student with a passion for science so I apologise in advance if I formulate the question incorrectly or make some mistakes. Out of ...
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How to reduce the quantity of (carcinogenic) mycotoxins in oatmeal?

Like all cereals, oat is commonly (nearly systematically) contaminated by several types of mycotoxin (produced by molds) known to cause cancer{1}. Oat is one of the most infected cereals{2}. Unless ...
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Asexual reproduction by secondary mycelium in basidiomycetes

I'm studying in class 11 and the the following line was mentioned in my textbook: "Dikaryophase or secondary mycelium may multiply by different types of spores - chlamydospores aecidiospores, ...
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Species ID of this giant brain-shaped mushroom? How do its spores escape, there's no "puff" for this puffball!

After several days of rain then a few warm sunny days in northern Taiwan in August, I came across this giant mushroom growing in an open field that's only occasionally mowed. This mushroom about 18 cm ...
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1answer
61 views

In lichen, do the fungi consume the oxygen produced by algae?

Is the oxygen produced by algae in photosynthesis consumed by the fungi, specifically in marine lichens where oxygen is less abundant? I am wondering this because of a speculative evolution project.
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Sabouraud dextrose agar breaking?

I recently started growing some Geotrichum Candidum (GC) on Sabouraud dextrose agar (SDA) beds. The SDA was poured into sterilized petri dishes. After setting the plates in a cooler (20 C) for a day, ...
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1answer
71 views

Mushroom Identification: Brown gilled mushroom in Ohio lawn near rotting stump roots

Even though I ID a lot on this site, I'm rather unqualified to ID mushrooms (even with the help of sites like urbanmushrooms.com). Can anyone help me ID this mushroom species? Attributes: ...
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What is the interchange of nutrients between plants called?

I've heard about how fungi is the nutrient super highway of the plant web. What is this interchange between plants and the fungi called?
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54 views

What is the effect of an acidic solution on hydrolytic enzymes?

I'm working on a school research project and my research question is "What is the effect of increasing concentrations of Acid X on hydrolytic enzymes, measured through the loss of mass of leaf ...
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What is causing these lichen patterns on a tree in Scotland?

I recently saw these lichens growing on a tree in Scotland. What is causing the pattern of dark lines? Are these the boundaries between individual lichens? Or could it be something to do with the ...
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How do fungal hyphae dig into substrates (such as grains)?

When a fungus needs to expand its nutrient-acquiring network of hyphae, it can dig into, say, a grain of rice. How does it drill openings into the grain?
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1answer
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Safety in Liposomal Amphotericin B

From reading about Amphotericin B antifungal, I understand it is quite a toxic medicine for kidney, but I am not able to find any details as to how Liposomal version of same medication is so safe, in ...
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What can we expect when we culture a mould in a liquid?

I am currently running a short project in my school, where I am trying to look into the biodegradation of dyes from textile effluents using Fursarium sp. Most of the articles that I have read uses a ...
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The wood wide web strengthening/expanding the heartwood of damaged pines

My grandfather told me about a practice: girdling/ring-barking (not sure which was employed) of pine trees in order to make the wood stronger. Now, he didn't give too many details, so I had to do some ...
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1answer
40 views

What disease / parasite / fungi has affected the mango in the picture?

The mango is found to have some kind of fungi / worm on it's surface . This has affected a huge number of mangoes in the same tree . It can be described as white and fibrous / weblike structure near ...
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1answer
42 views

Growing Penicillium Digitatum Mold

I left a cup of tea with Lemmon on my desk and after a while green mold start growing on the water. From my understating this is Penicillium digitatum. I gave it some sugar and after one day black ...
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1answer
32 views

Can the fungal form of Malassezia morph into the fungal form of Candidia when feeling threatened? Resistance Mechanisms

Malassezia feeds on oils in the carbon chain 11-24 and Candida feeds on sugars. I recall learning that when these types of fungus feel they are under attack, they can morph. Does this mean they can ...
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Concentration/molarity of lichen acids (particularly oxalic acid) in soil/rock substrates?

I am trying to design an experiment testing the efficacy of lichen acids to solubilize and mobilize nutrients from minerals in a lunar regolith simulant. My research so far indicates that oxalic acid ...
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1answer
228 views

A word that includes plants and fungi, but not animals [closed]

Hello biologists and biology enthusiasts! I am working on a project which includes information about plants and fungi. It would be very helpful for me if there a word that means plants-and-fungi, but ...
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1answer
130 views

What is this dark brown organism growing on a door frame?

A few brown spots appeared on a door frame and within 1 week it has grown to this size (~15cm). I have no idea what it is. How do I remove it completely? I worry that if I just wipe it off, it will ...
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1answer
42 views

Does the fact cordyceps mostly affect insects have something to do with chitin being polysaccharide?

This is just a conjecture of mine based on those observations: Fungus seems to be very good at attacking tough chains of sugars like cellulose and starch. insects are covered by Chitin, a ...
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108 views

Are oospores (of oomycetes) endogenous or exogenous? What are chlamydospores and in which class of fungi do they belong?

I do know Chlamydospores are asexual spores but in which class of fungi are they seen often and are they exogenous Or endogenous?
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1answer
111 views

What kind of parasite is this?

I found this strange disease on the leaves of a pear tree. I don't know the tree's species but I found it in South Turkey, 150 km from the Mediterranean. What causes this disease?
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382 views

circular pattern of mold on quince

Could someone explain why mold on my quinces grows in well separated circles around a center? To make clear, what I mean I post the picture
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1answer
53 views

bunsen vs meker for best sterile field [closed]

I need one bunsen and i have a friend that sells me a bunsen-meker burner. I see that bunsen-meker burners have more flame diameter, so should have more diameter of sterile field, but i dont know XD ...
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How to approach identifying Melampsora species?

I'd like to figure out which species of Melampsora that is growing on this European aspen. What would be the right approach? Would a microscope or other tool help? Is there even more than a single ...
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1answer
64 views

What kind of mushroom is this in central Europe?

I found some mushrooms in the forest and I'd like to know what kind it is, for being able to tell how to protect the trees from it. Growing Info growing location: central Europe, forest host plant: ...
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Puffball growing on a tree: What kind of mushroom is this?

What kind of mushroom/fungus is the one shown in the photos? Description: Looks similar in size (~4-5 cm as I remember) and shape to a puffball. It is not hard to the touch, unlike typical mushrooms ...
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2answers
209 views

Why does vacuum sealing of foods prevent spoilage from anaerobic bacteria?

I have noted that many purchased food items in containers only require refrigeration after they have been opened, thus eliminating the vacuum seal. Air contains bacteria and fungus spores that enter ...
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2answers
84 views

Can someone identify these fungi?

Found them in Gujarat, India. Found growing among potted plants
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1answer
78 views

Can anyone identify these mushrooms?

Found in the Dolomites, Italy in a wooden fence:
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Function of amatoxins

There are a couple of papers and "lots" of anectodal evidence which imply that mushroom hunting does not have any adverse effects on the fungi, neither short nor long term. One of the ...
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Is it a trichoderma?

I have got some fungi on a polypore. Can it be a trichoderma?
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1answer
80 views

Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut?

Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut? For instance, how likely is it that the hazelnuts pictured below contain Aflotoxin? P.S.: these ...
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1answer
25 views

Why would Aspergillus Oryzae produce lactase when no lactose is present?

Studies [1] have shown that lactase is produced by A. oryzae when grown on wheat bran and spent beer grains. Why would A. oryzae produce lactase when these substrates have no lactose? In [1], it's ...
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What functions other than spore dispersal does a fruiting body serve in a mycelial network?

I'm not exactly sure if this is the appropriate forum to ask this, so apologies in advance. My question is both technical and general: what are the less obvious functions that the individual mushroom ...
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1answer
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What is this red mushroom with the "inverted" cap?

Picture taken on 29 March 2020, Czech Republic (Middle Europe). The cap is red, and its shape is "inverted". It is quite tough, first I thought it was a piece of plastic, but apparently it is growing ...
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1answer
75 views

Can viruses stabilize and increase the shelf life of wine and other foods?

When you make wine, you use the yeast Saccharomyces cerevisiae to ferment sugary juices. After you're done, you want to avoid them doing anything by using some chemicals etc. There are also other ...
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1answer
59 views

How to calculate the quantification of qPCR to the equivalent of the number of nuclei in fungi?

I have a question about the quantification through qPCR. The my question is: if I made the qPCR of a fungal functional gene, how is possible to obtain from the quantification number (in nanogram) the ...
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What kind of mushroom is this? Found in SF

We found this on a trail in San Francisco. Could someone please tell me what kind of mushroom this is?
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1answer
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Do mycorrhiza only form with angiosperm? [closed]

if not than with which Phylum it forms​
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What’s this fungus growing in supersaturated salt solution

As a hobby, I’ve been trying to “grow” crystals of from supersaturated solutions of aluminium potassium sulphate. I noticed that my solutions are also rather successful at growing a type of fungus. ...
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1answer
73 views

Could Physarum polycephalum consume regular toenail fungus?

I just watched this video on physarum polycephalum, aka the "blob" and noticed how it consumes white fungus. Could it do the same maybe with human toenail fungus?
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Are there fungi that are directly beneficial for humans?

It is well known that the human body benefits from a lot of different bacteria - and indeed wouldn't be able to survive without them. Are there fungi that are beneficial to humans, or even needed ...
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Fungi in my Solarium - how do I stop it?

Noticed fungi growing in my solarium in a few spots - probably a few spots where moisture is getting in. It is really tough, like rubber. Can cut some of it out with a utility knife, but even that ...
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2answers
201 views

Is a wet-mount needed to use Immersion Oil?

When I prepare my slide to use immersion oil, do I really need to wet-mount the specimen? Can I do it with just the coverslip? I am preparing fungus spores. Using water for the wet-mount gives you ...
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1answer
77 views

What are the white eggs growing from a black stem on the Napa cabbage plant?

Are they fungal or eggs? Can't find anything like this in the internet
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Help id mushroom found in West Midlands, Egland

I found this mushroom yesterday. It looks like an oyster but it grows in some poorly kept lawn. I am sure there was no tree there in the past. This spot was landscaped a couple of years ago after ...
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2answers
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Help identifying a mushroom found in Raymond, WA, USA

Hello dear mycology wizards! Could you help me figure out what's the name of this species. I found the mushrooms in a forest near to Raymond, WA. The area was quite wet and mossy, but not a swamp. ...

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