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Topic: Basidiomycetes


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In the News (Thu 18 Sep 14)

  
  What is... ?
Basidiomycete - A basidiomycete is a fungus that forms its sexual spores externally on a special cell called a basidium.
The basidiomycetes comprise the second largest group of fungi; they are subdivided into groups based on the type of basidioma and basidia that is formed.
The rust fungi differ from most other basidiomycetes in that they produce their spores directly on the tissues of the plant they are parasitizing; they do not form any type of fruiting body.
www.plant.uga.edu /mycology-herbarium/whatis.htm   (2099 words)

  
 Fungi Classficatiom - Basidiomycotina
Basidiomycetes are characterised primarily by the sexual spores (basidiospores) being produced on a cell called a basidium, usually in fours.
Basidiomycete have many features in common with the Ascomycetes; mycelia with chitinous cell walls that are regularly septate, cell division often accomplished by clamp formation, and the presence of an extended dikaryon stage.
Basidiomycetes are divided into four classes depending on the form of their basidium.
www.hiddenforest.co.nz /fungi/class/basidiomycotina.htm   (545 words)

  
 For higher basidiomycetes mushrooms grown (as one cell biomass) in submerged cultures - US Patent 6362397   (Site not responding. Last check: 2007-10-22)
The present invention is directed to new and distinct strains of the higher Basidiomycetes edible mushroom which is adapted to grow in one cell biomass form in a submerged culture containing especially formulated nutrients.
The distinguishing characteristic of Basidiomycetes is the presence of basidium bearing exogenous basidiospores as a result of meiothic process.
When these Basidiomycetes mushrooms are grown under different conditions, it will be obvious that their appearance may be difficult from that described herein.
www.patentstorm.us /patents/6362397.html   (834 words)

  
 Basidiomycetes   (Site not responding. Last check: 2007-10-22)
The phylum basidiomycota consists of fungi that produce spores that are formed outside a pedestal-like structure, the basidium.
The members of this phylum, known as basidiomycetes, include all the fungi with gills or pores, including the familiar mushrooms and bracket fungi.
In addition to the commercial and culinary importance of edible basidiomycetes such as Agaricus bisporus, the common "pizza" mushroom, and Lentinula edodes, the Shiitake mushroom, basidiomycetes are important as plant and human pathogens.
www.basidiomycetes.org   (185 words)

  
 Growth promoting method for basidiomycetes - Patent 4369253
Increasing interest is shown recently in use of the fungi of Basidiomycetes as the base material for medicines and health foods, but low rate of growth of such fungi in cultivation thereof as compared with other microorganisms such as bacteria or yeast is causing a bottleneck for inductrial utilization of these fungi.
Addition of such nutrients in the culture medium has indeed an effect of promoting cell division of the basidiomycetes, but it can not bring about a similar effect for differentiation of the cells and attendant organization thereof, and hence no desired promotion of growth and propagation is provided.
We found that growth of the basidiomycetes is markedly promoted and also differentiation and organization of the cells are advanced by adding in the culture medium a small quantity of a straight chain saturated aliphatic alcohol with a carbon number within a specified range, thereby allowing obtaining of high-quality mycelia of the fungi.
www.freepatentsonline.com /4369253.html   (3274 words)

  
 Basdiomycota   (Site not responding. Last check: 2007-10-22)
Basidiomycetes can be described as parasitic (practices extracellular digestion on living material), saprophytic (practices extracellular digestion on dead material) or mutualistic (they coexist with other organisms for mutualistic benefit).
Basidiomycetes have certain characteristics that unify them with other fungal phyla as well as distinguishing them from other Fungi.
Basidiomycetes have been used as a means of nutrition for millennia.The use of basidiomycetes as a delicacy was exhibited in Egyptian scriptures dating back 4600 yrs ago,where Mushrooms were only allowed to be eaten by the Pharaohs.
www.personal.psu.edu /users/c/m/cmo147   (1979 words)

  
 Medicinal Mushrooms: Research
Basidiomycetes polysaccharides have been shown to possess anti-tumor, anti-viral, anti-bacterial and immune-modulating activities.
Extracts from basidiomycetes mushrooms (Coriolus versicolor, Lentinula edodes, and Schizophyllum commune) are used as drugs in Japan with an annual aggregate sales of over one billion U.S. dollars.
Extracts from basidiomycetes mushrooms are used to elevate the immune systems of patients undergoing chemotherapy.
www.herbalscoop.com /Mushroom_research.htm   (247 words)

  
 IMC7   (Site not responding. Last check: 2007-10-22)
Basidiomycetes (higher fungi) contribute to the ecology of cold-dominated environments in terms of decomposition, nutrient recycling, and symbiotic associations such as mycorrhizae.
The symposium is focused on the diversity and distribution of Arctic and alpine tundra Basidiomycetes (higher fungi).
Examples of the major distributional types of basidiomycetes in Greenland are presented as well as typical representatives of an arctic(-alpine) and subarctic(-subalpine) circumpolar distribution based on the authors collections from Alaska, Siberia, Svalbard, Iceland and the Alps as well as records from the literature.
plantsciences.montana.edu /alpinemushrooms/imc7.htm   (1975 words)

  
 Therese Thompson's Graduate Student Page, University of New Hampshire   (Site not responding. Last check: 2007-10-22)
In order to further understand the role of wood-decay basidiomycetes in nutrient cycling in forests, selective isolation techniques of basidiomycetes from felled logs (coarse woody debris) and contiguous soil profiles need to be developed.
Researchers have shown that certain elements found in a decaying log were at elevated levels when compared with the levels present in the standing tree (3, 4, 5, 7, 8, 9, 10).
Culturing and observing known species of basidiomycetes, yeasts, ascomycetes, deuteromycetes, and zygomycetes on previously published media formulations (11, 12) and control media, MYA and MEA, have indicated the need for two new media formulations.
pubpages.unh.edu /~therese   (489 words)

  
 Basidiomycetes   (Site not responding. Last check: 2007-10-22)
Basidiomycetes are fungi which produce spores (basidiospores) on a basidium.
Typically these are the mushrooms with which we are most familiar, but the rusts and smuts, and "conks" on trees are also basidiomycetes.
We call basidiomycetes which are gilled, mushroom-like fungi the AGARICS.
www.roanoke.edu /biology/faculty_pages/Crozier/Basidiomycetes.html   (98 words)

  
 Polysaccharides and method for producing same - Patent 4051314
Polysaccharides are produced by purifying a liquid extract of a mycelium of a strain of fungus species belonging to the class Basidiomycetes or the filtered broth of a cultured medium in which a mycelium of a selected strain of Basidiomycetes has been incubated; the polysaccharides exhibiting an anticarcinogenic activity in mice.
In accordance with the present invention polysaccharides are produced from a liquid extract of a mycelium of a fungus species belonging to the class Basidiomycetes or from a filtered broth of a culture in which such a mycelium has been incubated.
Accordingly, it is the primary object of this invention to recover polysaccharides from a liquid extract of a cultured mycelium of a fungus species of the class Basidiomycetes or the filtered cultured broth of such species.
www.freepatentsonline.com /4051314.html   (16670 words)

  
 Ascomycetes and anamorphs
Thousands of basidiomycetes, and a quite a few ascomycetes, establish intimate mutualistic symbioses (mycorrhizas) with the roots of trees, especially conifers (see Chapter 17).
Nearly 18,000 ascomycetes, and a few basidiomycetes, have domesticated algae, thus becoming lichens, which can live in some of the world's harshest climates, and colonize the barest and most inhospitable substrates (see Chapter 7).
Some dikaryomycotan fruit bodies are microscopic (as in many ascomycetes), but often (especially among the basidiomycetes), they are large and complex, and most of the common names applied to fungi refer to the visible teleomorphs of basidiomycetes, and in a few cases, ascomycetes.
www.mycolog.com /CHAP4a.htm   (5641 words)

  
 Overview
Yeast taxonomists have recognized certain dimorphic taxa as belonging to the realm of basidiomycetous yeasts whereas other taxa were overlooked because they were parasitic or produced a fruitbody.
The former were isolated in pure cultures, which were then characterized in the laboratory with respect to physiological and biochemical characteristics and also with respect to certain morphological traits.
In fact, most taxa traditionally recognized as typical basidiomycetous yeasts are asexual, whereas most of the organisms traditionally studied by mycologists and labelled as dimorphic heterobasidiomycetes are sexual.
www.crem.fct.unl.pt /dimorphic_basidiomycetes/Papers/Overview/overview.htm   (1006 words)

  
 Super VLB -- Classification -- Kingdom Fungi -- Basidiomycetes
Basidiomycetes are a large and diverse division of fungi.
The basidium -- the spore-bearing organ on basidiomycetes that takes the shape of a club -- usually produces four sexual spores, called basidiospores.
Basidia come from fruiting bodies known as basidiocarps, which are large and conspicuous in most basidiomycetes.
www.sidwell.edu /us/science/vlb/class/fungi/basidiomycetes.html   (105 words)

  
 Diversity of lignicolous basidiomycetes in coarse woody debris
Lignicolous basidiomycetes include white-rotters that remove both lignin and cellulose, and brown-rotters that remove only the cellulose and hemicellulose.
The South is a region of diverse lignicolous basidiomycetes because it is the northern limit for many tropical and subtropical taxa and the southern limit for many north temperate taxa.
Nakasone, K. Diversity of lignicolous basidiomycetes in coarse woody debris Biodiversity and coarse woody debris in Southern forests : proceedings of the workshop on coarse woody debris in Southern forests: effects on biodiversity, Athens, GA, October 18-20, 1993.
www.treesearch.fs.fed.us /pubs/viewpub.jsp?index=5868   (270 words)

  
 lterdb86-Fungi of the Greater Antilles   (Site not responding. Last check: 2007-10-22)
Most of the basidiomycete and macro-ascomycete collections were annotated and photographed and/or drawn when fresh, then dried on low heat (35 C).
Spore measurements of basidiomycetes made at CFMR may be 0.5-1 ┬Ám longer than the actual spore because the apiculus was included.
Basidiomycetes of the Greater Antilles: Alboleptonia (Entolomataceae) in Puerto Rico and
www.ites.upr.edu /data/lterdb86/metadata/lterdb86.htm   (3804 words)

  
 Culture collection of the basidiomycetes   (Site not responding. Last check: 2007-10-22)
Our collection of basidiomycetes is the only integral collection of hymenomycetes in this country, the treasury of some preserved and rare species, the protector of patented strains.
The Culture Collection of Basidiomycetes (CCBAS) is a member of the Federation of Czechoslovak Culture Collections and the World Federation of Culture Collections and it is listed under the number 558 in the World Center for Culture Collections of Microorganisms.
A specific method of cryopreservation of basidiomycete species can be developed and tested for the customer, the cost depending on the complexity of problem solution.
www.biomed.cas.cz /mbu/gabriel/ccbas.htm   (365 words)

  
 ICPP98 Paper Number 3.7.10   (Site not responding. Last check: 2007-10-22)
The decomposer basidiomycetes rarely figure in lists of fungi isolated from litter or soil, and we still know little about the involvement in mineral cycling of these basidiomycetes, which are primarily decomposers of dead organic matter.
Since basidiomycetes are easily overlooked due to the presence of other faster-growing fungi or bacteria, media selective for basidiomycetes is essential in the isolation process.
To ensure the maximum selectivity of basidiomycetes from both substrates, media were modified from those of previous researchers and tested on a variety of fungi and bacteria.
www.bspp.org.uk /icpp98/3.7/10.html   (316 words)

  
 The Hidden World - Basidiomycetes   (Site not responding. Last check: 2007-10-22)
The Basidiomycetes are the mushrooms and other fungi that bear their spores on the outsides of cells called basidia.
The two groups that usually draw the attention of the casual observer are the hymenomycetes and the gasteromycetes.
The variety of the Basidiomycetes is endless, with the multitude of different forms each representing a unique method of spore dispersal.
www.thehiddenworld.net /basidiomycetes.html   (162 words)

  
 Gasteromycetes
In all of the other basidiomycetes the basidia are persistent.
There are several common groups of basidiomycetes where the mature fruiting body has spores - but no basidia.
These are examples of a subgroup of the basidiomycetes commonly called the gasteromycetes.
www.anbg.gov.au /fungi/two-gasteromycetes.html   (1188 words)

  
 JGI P. chrysosporium v1.0 Home
This is the first basidiomycete genome to be sequenced.
Collectively referred to as white rot fungi (since they degrade brown lignin, and leave behind white cellulose), these are the only microbes capable of efficient depolymerization and mineralization of lignin.
All are basidiomycetes, a fungal group that includes both edible mushrooms as well as plant pathogens such as smuts and rust.
genome.jgi-psf.org /whiterot1/whiterot1.home.html   (313 words)

  
 Laccases from basidiomycetes for biosensors   (Site not responding. Last check: 2007-10-22)
Laccases, synthesized by basidiomycetes C.hirsutus, C.zonatus, Cerrena maxima, are characterized by wide substrate specificity.
The enzyme electrode was developed on the basis of basidiomycete laccase for the definition of the complex of phenolic compounds in tea.
Ability of laccase to catalyse the reactions of immediatoric electrorestoration of oxygen forms the possibility for the development of a new type immunosensors.
www.ioffe.rssi.ru /RT/IWRFRI2000/c1.html   (292 words)

  
 Frequently Asked Truffle Questions
Ascomycetes and Basidiomycetes are two major groups of fungi (like cats and dogs are two major groups of animals).
In Basidiomycetes, the spores are produced on prongs on the outside of structures called basidia.
Basidiomycetes are fleshier in texture (all gilled mushrooms are Basidiomycetes), and the hypogeous Basidiomycetes tend to be squishy or spongy on the inside (such as Zelleromyces).
www.natruffling.org /faq.htm   (2578 words)

  
 FungiBank - Glossary
gasteromycetes an artificial group of fungi containing a diverse range of basidiomycetes with spores that are not forcibly discharged from their basidia, but are dispersed by wind, rain, animals or other means.
Lichens are mostly formed by an extremely diverse range of ascomycetes, and far fewer basidiomycetes.
Their spores generally are not forcibly discharged from the basidia and usually remain enclosed by the fruit body during most or all stages of development, including at maturity.
www.fungibank.csiro.au /glossary.htm   (2161 words)

  
 Basidiomycetes
The class Basidiomycetes includes those members that produce their basidia and basidiospores on or in a basidiocarp.
Until recently the morphology of the basidium was believed to be a key to determining relationship in the Basidiomycota.
The basidia and basidiospores are formed on the spines of the hymenium surface of the basidiocarp.
www.botany.hawaii.edu /faculty/wong/Bot201/Basidiomycota/Basidiomycetes.htm   (402 words)

  
 Rolf Singer
Rolf Singer (1942) "Type studies on Basidiomycetes: 1" in Mycologia 34 pp.
Rolf Singer (1943) "Type studies on Basidiomycetes: 2" in Mycologia 35 pp.
Rolf Singer (1948) "New and Interesting Species of Basidiomycetes: 2" in Papers of the Michigan Academy of Sciences 32 pp.
www.ilmyco.gen.chicago.il.us /Authors/Singer27.html   (479 words)

  
 Two Major Groups - ascomycetes and basidiomycetes
Of the fruiting bodies described in the TYPES OF FUNGI section, the cup (or disk) fungi and the flask fungi are ascomycetes; the truffle-like fungi include both ascomycetes and basidiomycetes.
In most basidiomycetes the basidia have no dividing walls (or septa), but in a small number of genera the basidia are septate.
However, while the basidiomycetes show a greater variety of fruiting body shapes, there are more ascomycete than basidiomycete species.
www.anbg.gov.au /fungi/two-groups.html   (661 words)

  
 BASIDIOMYCETES   (Site not responding. Last check: 2007-10-22)
The Basidiomycetes form their spores (usually four) on the top of certain cells, located on the gills or pores of a mushroom consisting of a cap and a stem.
The two photomicrographs show a coloured cross section through the gills and the pores of two basidiomycetes.
The dark magenta rims around the gills and the pores are the crowded cells which form the spores at their top.
www.microscopy-uk.net /mag/artoct98/basidi.html   (90 words)

  
 Fungi classification   (Site not responding. Last check: 2007-10-22)
The main difference between these two groups is in the way in which they produce their microscopic spores.
In the Basidiomycetes, the spores are produced externally, on the end of specialised cells called basidia.
These are separated by means of differences in the basidia and spores and how these are arranged on the fruiting body.
www.countrysideinfo.co.uk /fungi/types1.htm   (228 words)

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