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Topic: Mycelium


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  Mycelium - Wikipedia, the free encyclopedia
Mycelium is the vegetative part of a fungus consisting of a mass of branching threadlike hyphae that exists below the ground or within another substrate.
It is through the mycelium that a fungus absorbs nutrients from its environment.
Mycelium is also a vital component in many ecosystems in that it helps increase the efficiency of water and nutrient absorption of many plants and also is vital to the decomposition and breaking-up of plant material to form the organic part of soil and to release carbon dioxide back into the atmosphere.
en.wikipedia.org /wiki/Mycelium   (196 words)

  
 TASTE : Mycelium
According to its definition, “Mycelium” is a set of organisms under the earth in symbiosis (beneficial association) with the organism to which it is associated.
Mycelium’s career as a DJ began in 1997 in New Brunswick, Canada, where he was temporarily residing during the course of his studies.
Mycelium considers that his role as a disk jockey is to serve as an amplifier.
www.taste-clubs.com /djs_mycelium.htm   (323 words)

  
 Mushroom mycelium as a source of protein   (Site not responding. Last check: 2007-10-08)
Amino acids in hydrolysates of submerged mycelium of Agaricus bisporus and Coprinus comatus and in the culture medium.
Analyses of bound amino acids in mushrooms [7,8,81,100] and mushroom mycelium [61,88,100,138] showed the presence of all essential amino acids, but the concentrations of the sulphur containing amino acids were low.
For this reason, mushroom mycelium may be expected to be suitable for human and animal nutrition, if it is not the only source of amino acids, but is supplied with another kind of protein.
www.fransdijkstra.nl /diss/chapter3.htm   (1428 words)

  
 Anomaly in Morchella Research.
The shrinkage of disc diameter, development of a boundary and thinness of extended mycelium are evidence of cell material migrating from the outer mycelium to the high density mycelium in a endotrophic manner.
The cell structure of the high density mycelium was filamentous on the upper surface, with cell density increasing toward the agar.
As the mycelium approaches the surface of the casing, an increase in oxygen availability would produce a sharp rise in the level of ATP inducing mushrooms to form.
nov55.com /mr/anom.html   (1910 words)

  
 Mycelium
The mycelium is there throughout the year, in the soil or in the log, and is not a static object.
As already noted, a mycelium growing in the ground does not expand as a disk but as a ring, with most of the activity near the outer edge of the ring.
Moreover, the mycelium may be impervious to water, thereby reducing the water available to the grass and so putting further stress on the grass.
www.anbg.gov.au /fungi/mycelium.html   (4370 words)

  
 Case Study #9717 / Visit Indiana State Recycling   (Site not responding. Last check: 2007-10-08)
Mycelium landfill waste at HandR was soon identified as the fourth largest waste stream among Bayer's entire enterprise of more than 50 locations.
Mycelium is the residual husk of selected enzymes added to the citric acid production process to enhance biologic fermentation.
Other alternatives to disposal also were evaluated, including land application of mycelium as a soil nutrient; use of mycelium to remove small particle solids from wastewater in mining operations; composting; and decomposition of mycelium in anaerobic waste treatment reactors.
www.p2pays.org /ref/06/05074.htm   (424 words)

  
 What is a fungus ?
Rather, enzymes are secreted from the tips of the hyphae in the mycelium and these enzymes break down the complex molecules found in organic matter in the soil, into smaller molecules, which are then absorbed through the hyphal walls near the growing tips.
For example, one part of the expanding mycelium may encounter an inhospitable or nutrient-poor area, perhaps a river, a mass of solid rock or soil that's too acidic or too alkaline.
The descriptions of the mushroom and the underground mycelium encapsulate the essence of all the (macro) fungi that are the subject of this website.
www.anbg.gov.au /fungi/what-is-fungus.html   (2277 words)

  
 Fairy Rings   (Site not responding. Last check: 2007-10-08)
As it grows, the mycelium uses up all of the nutrients in the soil, starving the grass.
Large rings are created when the older mycelium in the center finally exhausts the soil nutrients and dies.
On the death of the central mycelium, the nutrients are returned to the soil and grass can grow again.
herbarium.usu.edu /fungi/funfacts/Ringsfct.htm   (514 words)

  
 Kingdom Fungi
The hyphae in a fungus branch off of one another to form the mycelium, and are all ultimately connected to the original hypha.
Mushrooms, the reproductive structures of an underground mycelium, contain specialized cells on the underside of the cap that produce diploid zygotes through fusion of the two haploid nuclei in each cell; these zygotes are the only diploid phase of the life cycle.
The spores are carried, by wind, water, or animals, away from the original mycelium, and some will land on moist food sources, where they can germinate and begin to divide mitotically into haploid mycelia of a discrete mating type.
www.sidwell.edu /us/science/vlb5/Labs/Classification_Lab/Eukarya/Fungi   (942 words)

  
 * Mycelium - (Gardening): Definition   (Site not responding. Last check: 2007-10-08)
A mass of hyphae, often used to denote all hyphae comprising a thallus.
Mycelium of the powdery mildew fungus grows on leaf and bud surfaces, and appears as a white coating on these plant parts (Fig.
However, the spores and mycelium are sensitive to extreme heat and direct sunlight...
www.bestknows.com /gardening/mycelium.html   (163 words)

  
 [No title]
MYCELIUM GROWING TECHNIQUE: For the ultimate in growing ease, don't bother with trying to get the mycelium to fruit or with all the crap about trying to isolate a pure strain.
I have read that the concentration of Psilocin is lower in the mycelium, but you have to weigh that with the fact that it is really hard to get good fruiting.
The mycelium may be grown in total darkness, and the jars are quite easy to discretely conceal.
diseyes.lycaeum.org /teo/mycelial.txt   (1632 words)

  
 [No title]
The mycelium can be readily grown in ordinary Mason jars in a low cost medium in 10 to 12 days and the active materials (psilocybin and psilocin) can be easily extracted.
Complete instruc- tions are given for locating the mushrooms, developing stock cultures for inoculation, cultivating, harvesting, and drying the mycelium, extracting the active alkaloids, and using the existing cultures to seed new cultures to keep an ongoing psilocybin farm yielding a regular crop of the hallucinogenic mycelium.
The mycelium does best on MEA at 81 degrees F. Thermal death occurs at 95 degrees F. It is almost impossible to produce carpophores on sterilized rye medium.
www.lycaeum.org /drugs/plants/mushrooms/psilo.prod.guide   (6572 words)

  
 Shiitake cultivation on logs
Shiitake mycelium is a primary wood decomposer, it degrades the lignin and other components of wood and extracts the nutrients to feed itself.
To cultivate this mushroom, mycelium is introduced into the logs in the form of a cloned culture called spawn.
Once the mycelium has taken over the log completely, the trigger to produce mushrooms is moisture, heavy rains will stimulate the logs to produce.
www.mycosource.com /shiilogs.htm   (2371 words)

  
 Reishi Mushroom
Mycelium is a network of the threadlike filaments that originates from spores.
Further investigations have discovered that the largest amount of active ingredients exist in the mycelium, and that the mycelium is more digestible.
Some capsules made from the mycelium contain also the grain from which the mycelium is grown (so only a small fraction of the capsule is actually Reishi mycelium).
www.geocities.com /marvellousingest/ganodermabasic2.htm   (1544 words)

  
 ALL YOU EVER WANTED TO KNOW ABOUT MYCELIUM   (Site not responding. Last check: 2007-10-08)
This giant is the mycelium of the parasitic fungus, Armillaria bulbosa (a form of Honey Fungus), which has sprung from a single spore and grows mainly underground.
She produced very accurate drawings of the hyphae (threads forming the mycelium) depicting clamp connections (bumps or knobs) on them, features involved in the reproductive process but not explained at that date.
By excavating the fruit-bodies to the point of origin on the mycelium in the soil, the mycelium was found to be just below the surface layer of needles where the needles were fl and partly decomposed.
fungus.org.uk /nwfg/mycapr97.htm   (2729 words)

  
 mycelium --  Encyclopædia Britannica   (Site not responding. Last check: 2007-10-08)
A lichen consists of a photosynthetic microbe (an alga or a cyanobacterium) growing in an intimate association with a fungus.
A simple lichen is made up of a top layer consisting of a tightly woven fungal mycelium, a middle layer where the photosynthetic microbe...
Following a period of intensive growth, which in most fungi consists in the development of an extensive mycelium, fungi enter their reproductive phase by forming and releasing vast quantities of spores.
www.britannica.com /eb/article-9001047   (680 words)

  
 Levitated | Mycelium Model | Macromedia Flash open source
Mycelium is the vegetative phase of mushroom growth.
Among plants, mycelium has the unique property of having no leaves and no flowers, consisting, instead, of millions of self similar strands.
This simple mycelium growth simulation uses a 'place and test' model for reproduction.
www.levitated.net /daily/levMyco.html   (172 words)

  
 Ten Speed Press - All Products - Mycelium Running
The science goes like this: fine filaments of cells called mycelium, the fruit of which are mushrooms, already cover large areas of land around the world.
As the mycelium grows, it breaks down plant and animal debris, recycling carbon, nitrogen, and other essential elements in the creation of rich new soil.
The science is both simple and brilliant, and in MYCELIUM RUNNING, Stamets discusses the various branches of this exciting new technology, including mycorestoration (biotransforming stripped land), mycofiltration (creating habitat buffers), myco-remediation (healing chemically harmed environments), and mycoforestry (creating truly sustainable forests).
www.tenspeedpress.com /catalog/all/item.php3?id=1651   (471 words)

  
 Mushrooms
The technology allows to process barley grain to obtain mushroom mycelium with no application of rigid condition of sterilization and with no strict claims to premises for inoculation.
The used conditions suppose using of 5% grain mycelium got from original culture as an inoculum.
The fermented grain used to be inoculated and poured into perfo-rated packets at the premises that was only washed with water.
users.kharkiv.com /mushrooms   (409 words)

  
 Mushroom Spores, mycelium, psilocin, psilocybin
To enact sections 2925.031, 2925.042, 2925.071, and 2925.111 of the Revised Code to prohibit the possession, sale, transportation, and cultivation of spores or mycelium capable of producing mushrooms that contain psilocin or psilocybin.
(B) It is an affirmative defense to a charge under this section that the cultivation of spores or mycelium capable of producing mushrooms that contain psilocybin or psilocin is for bona fide research, instruction, or analysis if the cultivation of the spores or mycelium is not a violation of federal law.
(B) It is an affirmative defense to a charge under this section that the obtaining, possessing, or using of spores or mycelium capable of producing mushrooms that contain psilocybin or psilocin is for bona fide research, instruction, or analysis if the possession or use is not a violation of federal law.
www.cognitiveliberty.org /dll/ohio_hb80.html   (343 words)

  
 American Journal of Botany, 23, 5, May, 1936   (Site not responding. Last check: 2007-10-08)
Such uninucleate branches are produced by the separation of the nuclei of a dicaryon either by the nuclei migrating into different branches or, rarely, by the abnormal elongation of the hook-cell during the process of formation of clamp-connections.
Half the oidia borne on dicaryon mycelium are of the same strain as one of the parent mycelia originally used to obtain the dicaryon mycelium, and half are of the same strain as the other parent mycelium.
The function of the oidia produced on the dicaryon mycelium is the same as that of the oidia produced on the monocaryon mycelium.
www.botany.org /ajb/00029122_di001342.html   (2757 words)

  
 Dave Fischer's North American Mushroom Basics   (Site not responding. Last check: 2007-10-08)
The mycelium itself is typically hidden in a substrate---within dead wood, for example, or in the soil.
Depending on the species and the circumstances, the mycelium may be quite small, contained for example within the hull of a single fl walnut; or it may be remarkably huge---some cover many acres of forest floor.
It is in the basidium that meiosis and keryogamy occur...
members.aol.com /xerula/basics.html   (2248 words)

  
 Dictionary Mycelium   (Site not responding. Last check: 2007-10-08)
Under favourable circumstances little buds appear on the mycelium, from which will grow - like apples on a tree - the sporophores (i.e.
One day a huge coherent mycelium of a Honey Fungus (Armillaria lutea) was discovered: it extended over 38 acres, weighed over 100 tons and had an estimated age of ± 1500 years.
In time the old mycelium dies, again from the centre outward.
home.wanadoo.nl /abiemans/e_mycelium.html   (314 words)

  
 Characterization of an A-Factor-Responsive Repressor for amfR Essential for Onset of Aerial Mycelium Formation in ...
Total RNA was isolated from mycelium grown for the indicated period and subjected to Northern hybridization and S1 mapping.
P probe, a single transcript of 3.5 kb was seen in the mycelium from the wild-type strain but not from strain HH1.
A-factor responsible for biosynthesis of streptomycin by a mutant strain of Actinomyces streptomycini.
jb.asm.org /cgi/content/full/180/19/5085   (6213 words)

  
 Hyphal Death during Colony Development in Streptomyces antibioticus: Morphological Evidence for the Existence of a ...
At different times of incubation, the mycelium was removed from the cellophane and the dry cell weight (open circles) and the total RNA (filled circles) and protein contents (open boxes) were determined.
Note the presence of dead hyphae throughout the substrate mycelium and its absence in the aerial mycelium.
Note that the dead hyphae appear as empty, tubular structures near the boundary with the culture medium, whereas in the aerial mycelium and in the upper zone of the substrate mycelium they appear collapsed.
www.jcb.org /cgi/content/full/145/3/515   (5451 words)

  
 Search Results for mycelium - Encyclopædia Britannica
Following a period of intensive growth, which in most fungi consists in the development of an extensive mycelium, fungi enter their reproductive phase by forming and releasing vast quantities of...
In biology, a conspicuous mass of mycelium and fruiting structures...
Mycelium and other fungi perform the first step in the decomposition of leaves and wood.
www.britannica.com /search?query=mycelium&submit=Find&source=MWTAB   (416 words)

  
 Liquid Culture
Grow the mycelium in sterile erlenmyer flasks which have a foam plug or some type gas exchange apparatus.
Mycelium can be cultured in a liquid (as opposed to a solid like vermiculite/brown rice flour) which you can then use to easily inoculate substrate and start mycelium growth much faster than if you were using spores.
Once the mycelium has grown, shake to distribute the mycelium, and poke thru the saran wrap with a sterile syringe and suck up the white mycelium, cover the hole with tape and save for further use.
mv.lycaeum.org /mu/_liquid_culture.html   (3289 words)

  
 Mycorrhizal Citations
We studied the viability of fragmented mycelium of Pisolithus tinctorius and Paxillus involutus entrapped in calcium alginate gel to determine the efficacy of this method of producing ectomycorrhizal fungus inoculum.
Paxillus involutus mycelium was more than 90% viable when entrapped mycelium was 10 to 50 days old, and Pisolithus tinctorius attained its highest viability (55%) for 20- to 40-day-old mycelium.
Gel entrapped Paxillus involutus mycelium grew well at all temperatures after 30 days of storage, but viability significantly decreased after 60 days storage at 6 degrees C on dry filter paper.
mycorrhiza.ag.utk.edu /latest/latest99/4rodri1.htm   (207 words)

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