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Agaricomycotina
Agaricomycotina is one of three subdivisions of the Basidiomycota (fungi bearing spores on basidia), and represents all of the fungi which form macroscopic fruiting bodies. Agaricomycotina contains over 30,000 species, divided into three classes: Tremellomycetes, Dacrymycetes, and Agaricomycetes. Around 98% of the species are in the class Agaricomycetes, including all the agarics (gilled mushrooms), bracket fungi, clavarioid fungi, corticioid fungi, and gasteroid fungi. Tremellomycetes contains many basidiomycete yeasts and some conspicuous jelly fungi. Dacrymycetes contains a further group of jelly fungi. These taxa are founded on molecular research, based on cladistic analysis of DNA sequences, and supersede earlier morphology-based classifications. Agaricomycotina contains nearly one third of all described species of fungi. The class Bartheletiomycetes contains a single anomalous species of basidiomycete which grows on fallen leaves of ''Ginkgo biloba ''Ginkgo b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Basidiomycota
Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Basidiomycota includes these groups: agarics, puffballs, stinkhorns, bracket fungi, other polypores, jelly fungi, boletes, chanterelles, earth stars, smuts, bunts, rusts, mirror yeasts, and '' Cryptococcus'', the human pathogenic yeast. Basidiomycota are filamentous fungi composed of hyphae (except for basidiomycota-yeast) and reproduce sexually via the formation of specialized club-shaped end cells called basidia that normally bear external meiospores (usually four). These specialized spores are called basidiospores. However, some Basidiomycota are obligate asexual reproducers. Basidiomycota that reproduce asexually (discussed below) can typically be recognized as members of this division by gross similarity to others, by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jelly Fungi
Jelly fungi are a paraphyletic group of several heterobasidiomycete fungal orders from different classes of the subphylum Agaricomycotina: Tremellales, Dacrymycetales, Auriculariales and Sebacinales. These fungi are so named because their foliose, irregularly branched fruiting body is, or appears to be, the consistency of jelly. Actually, many are somewhat rubbery and gelatinous. When dried, jelly fungi become hard and shriveled; when exposed to water, they return to their original form. Many species of jelly fungi can be eaten raw; poisonous jelly fungi are rare eeds sourceand may not even exist. However, many species have an unpalatable texture or taste. They may or may not be sought in mushroom hunting due to their taste, which is described as similar to that of soil Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, water, and organisms that together support the life of plants and soil organisms. Some scientific defi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bartheletiomycetes
''Bartheletia paradoxa'' is a species of dimorphic fungus and is the only member of the genus ''Bartheletia''. ''Bartheletia'' is the only genus in the family Bartheletiaceae, which is the only family in Bartheletiales, which in turn is the only order in the class Bartheletiomycetes. Sorus-like sporodochia form on freshly fallen leaves and petioles of ''Ginkgo biloba'' in early autumn in Asia and Europe and persist through the winter. They produce slimy, hyaline, single-celled, cylindrical conidia. Thick-walled, dark brown teliospores develop in leaf tissue, clustered in structures about 1 mm diameter, similar to telia of rust fungi, causing black leaf spots surrounded by a gray halo. After a year of dormancy, long-stalked basidia emerge through an apical channel from each teliospore, becoming round, cruciately-septate, and producing a succession of cylindrical basidiospores from four wart-like loci. Cultures can be isolated from discharged basidiospores or conidia spread on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tremellomycetes
The Tremellomycetes are a class of dimorphic fungi in the Agaricomycotina. Some species have gelatinous basidiocarps (fruiting bodies) or (microscopically) a sacculate parenthesome. There are six orders, 17 families, and 39 genera in the Tremellomycetes. Tremellomycetes include yeasts, dimorphic taxa, and species that form complex fruiting bodies. Tremellomycetes include some fungi that are human and animal pathogens in the genera '' Cryptococcus'', '' Naganishia'', '' Papiliotrema'', and '' Trichosporon'' and some fungi that are cultivated for food in the genera '' Tremella'' and '' Naematelia''. ''Tremellomycetidae'' is a class of lichen in the Basidiomycota Basidiomycota () is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi. Members are known as basidiomycetes. More specifically, Basi ... division. It only held one order, Tremellales. It was also a forme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yeasts
Yeasts are eukaryotic, single-celled microorganisms classified as members of the fungus kingdom. The first yeast originated hundreds of millions of years ago, and at least 1,500 species are currently recognized. They are estimated to constitute 1% of all described fungal species. Some yeast species have the ability to develop multicellular characteristics by forming strings of connected budding cells known as pseudohyphae or false hyphae, or quickly evolve into a multicellular cluster with specialised cell organelles function. Yeast sizes vary greatly, depending on species and environment, typically measuring 3–4 μm in diameter, although some yeasts can grow to 40 μm in size. Most yeasts reproduce asexually by mitosis, and many do so by the asymmetric division process known as budding. With their single-celled growth habit, yeasts can be contrasted with molds, which grow hyphae. Fungal species that can take both forms (depending on temperature or other cond ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corticioid Fungi
The corticioid fungi are a group of fungi in the Basidiomycota typically having effused, smooth basidiocarps (fruit bodies) that are formed on the undersides of dead tree trunks or branches. They are sometimes colloquially called crust fungi or patch fungi. Originally such fungi were referred to the genus '' Corticium'' ("corticioid" means ''Corticium''-like) and subsequently to the family ''Corticiaceae'', but it is now known that all corticioid species are not necessarily closely related. The fact that they look similar is an example of convergent evolution. Since they are often studied as a group, it is convenient to retain the informal (non-taxonomic) name of "corticioid fungi" and this term is frequently used in research papersLarsson K-H, Larsson E, Koljalg U. (2004). High phylogenetic diversity among corticioid homobasidiomycetes. ''Mycological Research'' 108: 983–1002. and other texts. History The genus ''Corticium'' was established by Persoon in 1794 for fungi having sm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agaricomycetes
The Agaricomycetes are a class of fungi in the division Basidiomycota. The taxon is roughly identical to that defined for the Homobasidiomycetes (alternatively called holobasidiomycetes) by Hibbett & Thorn, with the inclusion of Auriculariales and Sebacinales. It includes not only mushroom-forming fungi, but also most species placed in the deprecated taxa Gasteromycetes and Homobasidiomycetes. Within the subdivision Agaricomycotina, which already excludes the smut and rust fungi, the Agaricomycetes can be further defined by the exclusion of the classes Tremellomycetes and Dacrymycetes, which are generally considered to be jelly fungi. However, a few former "jelly fungi", such as '' Auricularia'', are classified in the Agaricomycetes. According to a 2008 estimate, Agaricomycetes include 17 orders, 100 families, 1147 genera, and about 21000 species. Modern molecular phylogenetic analyses have been since used to help define several new orders in the Agaricomycetes: Amyl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agaric
An agaric () is a type of fungal fruiting body characterized by the presence of a pileus (cap) that is clearly differentiated from the stipe (stalk), with lamellae (gills) on the underside of the pileus. It is a type of mushroom (or toadstool), the diverse group of agarics being lumped together as gilled mushrooms. "Agaric" can also refer more generally to any basidiomycete species characterized by an agaric-type fruiting body. Etymology Originally, agaric meant 'tree-fungus' (after Latin ''agaricum''); however, that changed with the Linnaean interpretation in 1753 when Linnaeus used the generic name '' Agaricus'' for gilled mushrooms. Taxonomy Most species of agarics belong to the order Agaricales in the subphylum Agaricomycotina. The exceptions, where agarics have evolved independently, feature largely in the orders Russulales, Boletales, Hymenochaetales, and several other groups of basidiomycetes. Old systems of classification placed all agarics in the Agaricales and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dacrymycetes
The Dacrymycetes are a class of fungi in the Basidiomycota. The class currently contains the single order Dacrymycetales, with a second proposed order Unilacrymales now treated at the family level. The order contains four families and has a cosmopolitan distribution. All fungi in the Dacrymycetes are wood-rotting saprotrophs. Basidiocarps (fruit bodies) are ceraceous to gelatinous, typically yellow to orange as a result of carotenoid Carotenoids () are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, archaea, and fungi. Carotenoids give the characteristic color to pumpkins, carrots, parsnips, corn, tomatoes, cana ... pigments, and variously corticioid (effused and patch-forming), disc- or cushion-shaped, spathulate, or clavarioid (club or coral-like). Microscopically, nearly all species have distinctive Y-shaped holobasidia. Species were formerly placed in the Heterobasidiomycetes and are informally include ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clathrus Archeri
''Clathrus archeri'' (synonyms ''Lysurus archeri'', ''Anthurus archeri'', ''Pseudocolus archeri''), commonly known as octopus stinkhorn or devil's fingers, is a fungus which has a global distribution. This species was first described in 1980 in a collection from Tasmania. The young fungus erupts from a suberumpent egg by forming into four to seven elongated slender arms initially erect and attached at the top. The arms then unfold to reveal a pinkish-red interior covered with a dark-olive spore-containing gleba. In maturity it smells like putrid flesh. Description ''Clathrus archeri'' grows in 2 distinct stages, first an egg stage followed by the fungal "arms" emerging. During the egg stage, ''C. archeri'' forms a white ball-like egg shape, usually in diameter. Next, the thallus emerges from the egg in a starfish-like shape with 4-6 arms on average (up to 8). Each arm can grow up to in length and is coated in gleba on the upper surface. Fruiting bodies produce a red-orange co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DNA Sequences
A nucleic acid sequence is a succession of bases within the nucleotides forming alleles within a DNA (using GACT) or RNA (GACU) molecule. This succession is denoted by a series of a set of five different letters that indicate the order of the nucleotides. By convention, sequences are usually presented from the 5' end to the 3' end. For DNA, with its double helix, there are two possible directions for the notated sequence; of these two, the sense strand is used. Because nucleic acids are normally linear (unbranched) polymers, specifying the sequence is equivalent to defining the covalent structure of the entire molecule. For this reason, the nucleic acid sequence is also termed the primary structure. The sequence represents genetic information. Biological deoxyribonucleic acid represents the information which directs the functions of an organism. Nucleic acids also have a secondary structure and tertiary structure. Primary structure is sometimes mistakenly referred to a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geastrum Saccatum
''Geastrum saccatum'', commonly known as the sessile earthstar or rounded earthstar, or star of the land, is a species of mushroom belonging to the genus ''Geastrum''. The opening of the outer layer of the fruiting body in the characteristic star shape is thought to be due to a buildup of calcium oxalate crystals immediately prior to dehiscence. ''G. saccatum'' is distinguished from other earthstars by the distinct circular ridge or depression surrounding the central pore. The species has a worldwide distribution and is found growing on rotting wood. It is a common mushroom, but peaks in popularity during late summer. It is considered inedible but contains bioactive compounds. Description The immature fruiting body is in diameter and tall. Initially, the fruiting body is egg-shaped—similar in appearance to puffballs—and has strands of mycelia (rhizomorphs) at the base that attach it to the growing surface. The 'skin,' or peridium, is composed of two separate layers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
