Questions tagged [mycology]
The scientific study of fungi.
252
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In lichen, do the fungi consume the oxygen produced by algae?
Is the oxygen produced by algae in photosynthesis is consumed by the fungi at all, specifically in marine lichens where oxygen is less abundant? I am wondering this because of a speculative evolution ...
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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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0answers
26 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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2answers
58 views
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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0answers
51 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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0answers
48 views
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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0answers
13 views
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?
1
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1answer
36 views
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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0answers
18 views
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 ...
2
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0answers
11 views
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
35 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
39 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
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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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22 views
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
143 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 ...
5
votes
1answer
106 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 ...
0
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1answer
36 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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0answers
63 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
109 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?
7
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1answer
378 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
0
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1answer
47 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 ...
4
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1answer
62 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: ...
5
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0answers
84 views
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 ...
3
votes
2answers
162 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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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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21 views
What is the best way to find out what type of mold/fungi this is?
I have found some mould or fungi behind my bath tub panel. It seems to be the results of splashed water. I'd like to know what it is exactly.
I'm in the UK. If I need more specific data about what ...
2
votes
1answer
75 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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0answers
13 views
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 ...
8
votes
1answer
1k views
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 ...
2
votes
1answer
70 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 ...
0
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1answer
57 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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42 views
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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65 views
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
68 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?
2
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2answers
169 views
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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33 views
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
155 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 ...
4
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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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0answers
37 views
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 ...
5
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2answers
127 views
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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0answers
219 views
Mushroom Identification: Small conical light-brown mushroom
I found a small single mushroom growing on grass and I decided to try to identify it.
Characteristics:
Region: Brazil southeast coast, state of São Paulo, predominantly Atlantic forest
Gilled ...
2
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1answer
72 views
Mushroom Identification (USA)
I would like some help identifying this mushroom I found in my yard.
Location: Southeast Georgia
Near Pine trees after heavy rainfall
Color: Light brown to Dark Red, biggest is about 4 inches in ...
2
votes
1answer
265 views
What is this white fluff growing in my basement?
I live in the countryside of Western Europe by the beach with a temperate climate. After a period of unusual humidity at 84%, I noted this white fluff in the basement floor:
The first picture is ...
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1answer
50 views
What organism is this?
This is something I found growing under my kitchen’s sink. It looks like a growing potato and it’s really hard (tried to pull it down using a hard cardboard but in vain). I think a knife may work but ...
