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Hyperamoeba
''Hyperamoeba'' is a former genus of amoeboid protists, described in 1923. It has been shown to be polyphyletic, and the species formerly contained in it have been divided among the genera ''Physarum'', ''Stemonitis'' and ''Didymium Didymium ( el, , twin) is a mixture of the elements praseodymium and neodymium. It is used in safety glasses for glassblowing and blacksmithing, especially with a gas (propane)-powered forge, where it provides a filter that selectively blocks t ...''. References Amoebozoa genera Obsolete eukaryote taxa Myxogastria {{Amoebozoa-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amoeboid
An amoeba (; less commonly spelled ameba or amœba; plural ''am(o)ebas'' or ''am(o)ebae'' ), often called an amoeboid, is a type of cell or unicellular organism with the ability to alter its shape, primarily by extending and retracting pseudopods. Amoebae do not form a single taxonomic group; instead, they are found in every major lineage of eukaryotic organisms. Amoeboid cells occur not only among the protozoa, but also in fungi, algae, and animals. Microbiologists often use the terms "amoeboid" and "amoeba" interchangeably for any organism that exhibits amoeboid movement. In older classification systems, most amoebae were placed in the class or subphylum Sarcodina, a grouping of single-celled organisms that possess pseudopods or move by protoplasmic flow. However, molecular phylogenetic studies have shown that Sarcodina is not a monophyletic group whose members share common descent. Consequently, amoeboid organisms are no longer classified together in one group.Jan Pawlow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Protist
A protist () is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor), the exclusion of other eukaryotes means that protists do not form a natural group, or clade. Therefore, some protists may be more closely related to animals, plants, or fungi than they are to other protists. However, like the groups ''algae'', ''invertebrates'', and '' protozoans'', the biological category ''protist'' is used for convenience. Others classify any unicellular eukaryotic microorganism as a protist. The study of protists is termed protistology. History The classification of a third kingdom separate from animals and plants was first proposed by John Hogg in 1860 as the kingdom Protoctista; in 1866 Ernst Haeckel also proposed a third kingdom Protista as "the kingdom of primitive forms". Originally these also included prokaryotes, b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Journal Of Eukaryotic Microbiology
The ''Journal of Eukaryotic Microbiology'' is a peer-reviewed scientific journal covering all aspects of eukaryotic microbiology. The journal publishes research on protists, including lower algae and fungi. According to the ''Journal Citation Reports'', the journal has a 2021 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as ... of 3.880. Abstracting and indexing The journal is abstracting and indexing by various services for example: * Abstracts in Anthropology (Sage) * Abstracts on Hygiene & Communicable Diseases (CABI) * Academic Search (EBSCO Publishing) * Academic Search Premier (EBSCO Publishing) * AgBiotech News & Information (CABI) * AgBiotechNet (CABI) * AGRICOLA Database (National Agricultural Library) * Animal Breeding Abstracts (CABI) * Biocontrol News & ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyphyly
A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of convergent evolution. The arrangement of the members of a polyphyletic group is called a polyphyly .. ource for pronunciation./ref> It is contrasted with monophyly and paraphyly. For example, the biological characteristic of warm-bloodedness evolved separately in the ancestors of mammals and the ancestors of birds; "warm-blooded animals" is therefore a polyphyletic grouping. Other examples of polyphyletic groups are algae, C4 photosynthetic plants, and edentates. Many taxonomists aim to avoid homoplasies in grouping taxa together, with a goal to identify and eliminate groups that are found to be polyphyletic. This is often the stimulus for major revisions of the classification schemes. Researchers concerned more with ecology than with system ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physarum
''Physarum'' is a genus of mycetozoan slime molds in the family Physaraceae. It contains the following species: *''Physarum albescens'' *'' Physarum album'' *'' Physarum andinum'' *'' Physarum bivalve'' *'' Physarum bogoriense'' *'' Physarum cinereum'' *'' Physarum citrinum'' *'' Physarum compressum'' *'' Physarum confertum'' *'' Physarum conglomeratum'' *'' Physarum crateriforme'' *'' Physarum daamsii'' *'' Physarum didermoides'' *''Physarum digitatum'' *'' Physarum flavicomum'' *'' Physarum florigerum'' *'' Physarum globuliferum'' *''Physarum gyrosum'' *''Physarum hongkongense'' *''Physarum lakhanpalii'' *''Physarum lateritium'' *''Physarum leucophaeum'' *''Physarum loratum'' *''Physarum luteolum'' *''Physarum melleum'' *''Physarum mortonii'' *''Physarum mutabile'' *'' Physarum nigripodum'' *'' Physarum nucleatum'' *'' Physarum nutans'' *'' Physarum oblatum'' *'' Physarum plicatum'' *''Physarum polycephalum'' *''Physarum psittacinum'' *'' Physarum pulcherrimum'' *'' Physarum p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stemonitis
''Stemonitis'' is a distinctive genus of slime moulds found throughout the world (except Antarctica). They are characterised by the tall brown sporangia, supported on slender stalks, which grow in clusters on rotting wood. The genus was first described by German botanist Johann Gottlieb Gleditsch in 1753. A 2014 estimate suggests that there are 18 species in the genus. Identification within the genus is difficult, and can only be performed with confidence using a microscope or by DNA sequencing. A fossil specimen (in Burmese amber) is known from the mid-Cretaceous (99 ma). Species The following species are accepted by ''Species Fungorum'': *'' Stemonitis axifera'' (Bull.) T.Macbr. (1889) *'' Stemonitis farrensis'' T. N. Lakh. & Mukerji (1977) *'' Stemonitis ferruginea'' Ehrenb. (1818) *'' Stemonitis flavogenita'' E. Jahn (1904) *'' Stemonitis foliicola'' Ing (1967) *''Stemonitis fusca ''Stemonitis fusca'' is a species of slime mold. It fruits in clusters on dead wood and has ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Didymium (slime Mold)
''Didymium'' is a genus of slime molds in the family Didymiaceae. Selected species *'' Didymium difforme'' *'' Didymium squamulosum'' *''Didymium wildpretii ''Didymium wildpretii'' is a species of slime mold which feeds on the decaying remains of various species of cacti. It was first described in 2007 and has been found across Mexico and the Canary Islands, but may be present where other cacti gr ...'' References Myxogastria Amoebozoa genera Taxa named by Heinrich Schrader (botanist) {{Amoebozoa-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amoebozoa Genera
Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. In traditional and currently no longer supported classification schemes, Amoebozoa is ranked as a phylum within either the kingdom Protista or the kingdom Protozoa. In the classification favored by the International Society of Protistologists, it is retained as an unranked "supergroup" within Eukaryota. Molecular genetic analysis supports Amoebozoa as a monophyletic clade. Modern studies of eukaryotic phylogenetic trees identify it as the sister group to Opisthokonta, another major clade which contains both fungi and animals as well as several other clades comprising some 300 species of unicellular eukaryotes. Amoebozoa and Opisthokonta are sometimes grouped together in a high-level taxon, variously named Unikonta, Amorphea or Opimoda. Amoebozoa includes many of the best-known amoeboid organis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obsolete Eukaryote Taxa
Obsolescence is the state of being which occurs when an object, service, or practice is no longer maintained or required even though it may still be in good working order. It usually happens when something that is more efficient or less risky replaces it. The international standard IEC 62402:2019 Obsolescence Management defines obsolescence as the "transition from available to unavailable from the manufacturer in accordance with the original specification". Obsolete also refers to something that is already disused or discarded, or antiquated. Typically, obsolescence is preceded by a gradual decline in popularity. Consequences Driven by rapid technological changes, new components are developed and launched on the market with increasing speed. The result is a dramatic change in production methods of all components and their market availability. A growing industry sector is facing issues where life cycles of products no longer fit together with life cycles of required components ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
