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Cordyceps
''Cordyceps'' is a genus of ascomycete fungi (sac fungi) that includes about 600 species. Most ''Cordyceps'' species are endoparasitoids, parasitic mainly on insects and other arthropods (they are thus entomopathogenic fungi); a few are parasitic on other fungi. The generic name ''Cordyceps'' is derived from the Greek word κορδύλη ''kordýlē'', meaning "club", and the Greek word κεφαλή ''cephali'', meaning "head". The genus has a worldwide distribution and most of the approximately 600 species that have been described are from Asia (notably Nepal, China, Japan, Bhutan, Korea, Vietnam, and Thailand). ''Cordyceps'' species are particularly abundant and diverse in humid temperate and tropical jungles. Subtaxa There are two recognized subgenera: *''Cordyceps'' subgen. ''Cordyceps'' Fr. 1818 *''Cordyceps'' subgen. ''Cordylia'' Tul. & C. Tul. 1865 ''Cordyceps'' subgen. ''Epichloe'' was at one time a subgenus, but is now regarded as a separate genus, ''Epichloë' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ophiocordyceps Sinensis
''Ophiocordyceps sinensis'' (formerly known as ''Cordyceps sinensis''), known colloquially as caterpillar fungus, is an entomopathogenic fungus (a fungus that grows on insects) in the family Ophiocordycipitaceae. It is mainly found in the meadows above on the Tibetan Plateau in Southwest China and the Himalayan regions of Bhutan and Nepal. It parasitizes larvae of ghost moths and produces a fruiting body which used to be valued as a herbal remedy and in traditional Chinese medicine. Caterpillar fungus contains the compound cordycepin, an adenosine derivative. However, the fruiting bodies harvested in nature usually contain high amounts of arsenic and other heavy metals so they are potentially toxic and sales have been strictly regulated by the CFDA (China Food and Drug Administration) since 2016. ''O. sinensis'' parasitizes the larvae of moths within the family Hepialidae, specifically genera found on the Tibetan Plateau and in the Himalayas, between elevations of . The fung ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cordyceps Militaris
''Cordyceps militaris'' is a species of fungus in the family Cordycipitaceae, and the type species of the genus ''Cordyceps''. It was originally described by Carl Linnaeus in 1753 as ''Clavaria militaris''. Description Macroscopic characteristics The fungus forms 1–8 cm high, club-shaped and orange/red fruiting bodies, which grow out of dead underground pupae. The club is covered with the stroma, into which the actual fruit bodies, the perithecia, are inserted. The surface appears roughly punctured. The inner fungal tissue is whitish to pale orange. Microscopic features The spores are smooth, hyaline, long-filiform, and often septate. They decompose to maturity in 3–7 μm × 1–1.2 μm subpores. The asci are long and cylindrical. Sometimes an anamorphic state, which is '' Isaria'', is found. Masses of white mycelia form around the parasitised insect; however, these may not be of the same species. Ecology and dispersal ''Cordyceps militaris'' is a entomopathogenic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cordyceps Gunnii
''Cordyceps gunni'' is a species of fungus in the family Cordycipitaceae, and is of the genus '' Cordyceps''. It was originally found and recorded by Gunn in Tasmania and named as ''Sphaeria gunnii'' and later moved into the ''Cordyceps'' genus and renamed ''Cordyceps gunnii''.Li, Z., Li, C., Huang, B., Fan, M., Lee, M.-W., 1999. New Variety of Cordyceps gunnii (Berk.) Berk. and Its Paecilomyces Anamorph. The Korean Journal of Mycology 27, 231–233. This fungus and its sisters in the genus ''Cordyceps'' are known for growing out of insect bodies. ''C. gunnii'' can be found at ground level poking out of caterpillar burrows, attached to a caterpillar's head. Morphology Macroscopic features This fungus is a perithecial ascomycete. It forms a stroma whose stipe is white-gray colored, between 36.6 and 52.3 mm long and 4.8 to 8.6 mm wide. The ascogenous piece of the stromata is gray colored and 18.5 -19.3 mm long and 4 – 9.4 mm wide. ''C. gunnii'' can be dist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cordyceps Locustiphila
''Cordyceps locustiphila'' is the basionym and teleomorph of the fungi ''Beauveria locustiphila,'' a species of fungus in the family Cordycipitaceae. and is a species within the genus Cordyceps. It was originally described in by Henn in 1904. ''C. locustiphila'' is an entomopathogen and obligate parasite of the grasshopper species within the genus '' Colpolopha'' or '' Tropidacris,'' and as such is endemic to South America. The scientific name is derived from its close relationship with its host, being named after locusts. The fungi was renamed to ''Beauveria locustiphila'' in 2017 following research into the family Cordycipitaceae. Following the loss of the species type specimen, new studies were conducted that now recommend that the fungi be divided into 3 species. ''C. locustiphila, C. diapheromeriphila,'' and ''C. acridophila.'' Description Macroscopic characteristics The fruiting bodies of ''Cordyceps locustiphila'' form gregariously as clubs through breaks and joints in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ophiocordyceps Unilateralis
''Ophiocordyceps unilateralis'', commonly known as zombie-ant fungus, is an insect-pathogenic fungus, discovered by the British naturalist Alfred Russel Wallace in 1859, and currently found predominantly in tropical forest ecosystems. ''O. unilateralis'' infects ants of the tribe Camponotini, with the full pathogenesis being characterized by alteration of the behavioral patterns of the infected ant. Infected hosts leave their canopy nests and foraging trails for the forest floor, an area with a temperature and humidity suitable for fungal growth; they then use their mandibles to attach themselves to a major vein on the underside of a leaf, where the host remains after its eventual death. The process leading to mortality takes 4–10 days, and includes a reproductive stage where fruiting bodies grow from the ant's head, rupturing to release the fungus's spores. ''O. unilateralis'' is, in turn, also susceptible to fungal infection itself, an occurrence that can limit its impact on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cordycipitaceae
The Cordycipitaceae are a family of parasitic fungi in the Ascomycota, class Sordariomycetes and order Hypocreales. The family was first published in 1969 by mycologist Hanns Kreisel, but the naming was invalid according to the code of International Code of Nomenclature for algae, fungi, and plants. It was validly published in 2007. Description Cordycipitaceae species have stromata or subicula that are pallid or brightly pigmented and fleshy. Their perithecia are superficial to completely immersed in the substrate, and oriented at right angles to the surface of the stroma. The asci are cylindrical with a thickened ascus tip. Ascospores are usually cylindrical, contain multiple septa, and disarticulate into part-spores or remain intact at maturity. Genera Updated in 2020 to 21 genera; (with amount of species) *''Akanthomyces'' (21) *'' Amphichorda'' (1) *''Ascopolyporus'' (7) *''Beauveria'' (54) – anamorph *'' Beejasamuha'' (1) *'' Blackwellomyces'' (2) *''Cordyceps'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Entomopathogenic Fungi
An entomopathogenic fungus is a fungus that can kill or seriously disable insects. Typical life cycle These fungi usually attach to the external body surface of insects in the form of microscopic spores (usually asexual, mitosporic spores also called conidia). Under the right conditions of temperature and (usually high) humidity, these spores germinate, grow as hyphae and colonize the insect's cuticle; which they bore through by way of enzymatic hydrolysis, reaching the insects' body cavity (hemocoel). Then, the fungal cells proliferate in the host body cavity, usually as walled hyphae or in the form of wall-less protoplasts (depending on the fungus involved). After some time the insect is usually killed (sometimes by fungal toxins), and new propagules (spores) are formed in or on the insect if environmental conditions are again right. High humidity is usually required for sporulation. Groups The entomopathogenic fungi include taxa from several of the main fungal groups and do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fungus
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from the other eukaryotic kingdoms, which by one traditional classification include Plantae, Animalia, Protozoa, and Chromista. A characteristic that places fungi in a different kingdom from plants, bacteria, and some protists is chitin in their cell walls. Fungi, like animals, are heterotrophs; they acquire their food by absorbing dissolved molecules, typically by secreting digestive enzymes into their environment. Fungi do not photosynthesize. Growth is their means of mobility, except for spores (a few of which are flagellated), which may travel through the air or water. Fungi are the principal decomposers in ecological systems. These and other differences place fungi in a single group of related organisms, named the ''Eumycota'' (''tru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from the other eukaryotic kingdoms, which by one traditional classification include Plantae, Animalia, Protozoa, and Chromista. A characteristic that places fungi in a different kingdom from plants, bacteria, and some protists is chitin in their cell walls. Fungi, like animals, are heterotrophs; they acquire their food by absorbing dissolved molecules, typically by secreting digestive enzymes into their environment. Fungi do not photosynthesize. Growth is their means of mobility, except for spores (a few of which are flagellated), which may travel through the air or water. Fungi are the principal decomposers in ecological systems. These and other differences place fungi in a single group of related organisms, named the ''Eumycota'' (''t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epichloë
''Epichloë'' is a genus of ascomycete fungi forming an endophytic symbiosis with grasses. Grass choke disease is a symptom in grasses induced by some ''Epichloë'' species, which form spore-bearing mats ( stromata) on tillers and suppress the development of their host plant's inflorescence. For most of their life cycle however, ''Epichloë'' grow in the intercellular space of stems, leaves, inflorescences, and seeds of the grass plant without incurring symptoms of disease. In fact, they provide several benefits to their host, including the production of different herbivore-deterring alkaloids, increased stress resistance, and growth promotion. Within the family Clavicipitaceae, ''Epichloë'' is embedded in a group of endophytic and plant pathogenic fungi, whose common ancestor probably derived from an animal pathogen. The genus includes both species with a sexually reproducing (teleomorphic) stage and asexual, anamorphic species. The latter were previously placed in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hypocreales
The Hypocreales are an order of fungi within the class Sordariomycetes. In 2008, it was estimated that it contained some 237 genera, and 2647 species in seven families. Since then, a considerable number of further taxa have been identified, including an additional family, the Stachybotryaceae. According to the Catalog of Life, the Hypocreales contains 6 families, 137 genera, and 1411 species. Species of Hypocreales are usually recognized by their brightly colored, perithecial ascomata, or spore-producing structures. These are often yellow, orange or red. Genera ''incertae sedis'' According to a 2020 review of fungal classification, the following genera within the Hypocreales have an uncertain taxonomic placement ('' incertae sedis''), and have not been assigned to any family: *'' Acremoniopsis'' – 1 sp. *''Berkelella'' – 2 spp. *''Bulbithecium'' – 1 sp. *'' Cephalosporiopsis'' – 10 spp. *'' Chondronectria'' – 1 sp. *'' Cylindronectria'' – 1 sp. *'' Diploos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Center For Biotechnology Information
The National Center for Biotechnology Information (NCBI) is part of the United States National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The NCBI is located in Bethesda, Maryland, and was founded in 1988 through legislation sponsored by US Congressman Claude Pepper. The NCBI houses a series of databases relevant to biotechnology and biomedicine and is an important resource for bioinformatics tools and services. Major databases include GenBank for DNA sequences and PubMed, a bibliographic database for biomedical literature. Other databases include the NCBI Epigenomics database. All these databases are available online through the Entrez search engine. NCBI was directed by David Lipman, one of the original authors of the BLAST sequence alignment program and a widely respected figure in bioinformatics. GenBank NCBI had responsibility for making available the GenBank DNA seq ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
