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Olpidium
''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host. Zoospores emerge from a single discharge tube and have a single, posterior whiplash flagellum. Resting spores can be smooth or ornamented. Ecology ''Olpidium'' species infect a wide variety of plants, animals, protists, and fungi and are fairly common in aquatic and terrestrial ecosystems. Most of what is known about the genus comes from those species that infect higher plants, especially crops. In higher plants, infection with ''Olpidium'' often causes little to no symptoms. An exception is '' Olpidium viciae'', which causes broadbean blister. However, ''Olpidium'' species can vector plant viruses. For example, ''Olpidium brassicae'' transmits big-vein virus and big-vein associated varicosavirus among lettuce plants, and transmits to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidium Cucurbitacearum
''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host. Zoospores emerge from a single discharge tube and have a single, posterior whiplash flagellum. Resting spores can be smooth or ornamented. Ecology ''Olpidium'' species infect a wide variety of plants, animals, protists, and fungi and are fairly common in aquatic and terrestrial ecosystems. Most of what is known about the genus comes from those species that infect higher plants, especially crops. In higher plants, infection with ''Olpidium'' often causes little to no symptoms. An exception is '' Olpidium viciae'', which causes broadbean blister. However, ''Olpidium'' species can vector plant viruses. For example, ''Olpidium brassicae'' transmits big-vein virus and big-vein associated varicosavirus among lettuce plants, and transmits to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidium Endogenum
''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host. Zoospores emerge from a single discharge tube and have a single, posterior whiplash flagellum. Resting spores can be smooth or ornamented. Ecology ''Olpidium'' species infect a wide variety of plants, animals, protists, and fungi and are fairly common in aquatic and terrestrial ecosystems. Most of what is known about the genus comes from those species that infect higher plants, especially crops. In higher plants, infection with ''Olpidium'' often causes little to no symptoms. An exception is '' Olpidium viciae'', which causes broadbean blister. However, ''Olpidium'' species can vector plant viruses. For example, ''Olpidium brassicae'' transmits big-vein virus and big-vein associated varicosavirus among lettuce plants, and transmits to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidium Bornovanus
''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host. Zoospores emerge from a single discharge tube and have a single, posterior whiplash flagellum. Resting spores can be smooth or ornamented. Ecology ''Olpidium'' species infect a wide variety of plants, animals, protists, and fungi and are fairly common in aquatic and terrestrial ecosystems. Most of what is known about the genus comes from those species that infect higher plants, especially crops. In higher plants, infection with ''Olpidium'' often causes little to no symptoms. An exception is '' Olpidium viciae'', which causes broadbean blister. However, ''Olpidium'' species can vector plant viruses. For example, ''Olpidium brassicae'' transmits big-vein virus and big-vein associated varicosavirus among lettuce plants, and transmits to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidium Viciae
''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host. Zoospores emerge from a single discharge tube and have a single, posterior whiplash flagellum. Resting spores can be smooth or ornamented. Ecology ''Olpidium'' species infect a wide variety of plants, animals, protists, and fungi and are fairly common in aquatic and terrestrial ecosystems. Most of what is known about the genus comes from those species that infect higher plants, especially crops. In higher plants, infection with ''Olpidium'' often causes little to no symptoms. An exception is '' Olpidium viciae'', which causes broadbean blister. However, ''Olpidium'' species can vector plant viruses. For example, ''Olpidium brassicae'' transmits big-vein virus and big-vein associated varicosavirus among lettuce plants, and transmits to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidium Brassicae
''Olpidium brassicae'' is a plant pathogen, it is a fungal obligate parasite. In 1983, the Alsike, Alberta area's clover (which is a major part of horses' diet) was struck by a fungus epidemic of ''Olpidium brassicae'', previously not seen in Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ....J. P. Tewari and P. Bains, ''Fungi associated with the roots of clover in Alberta. I. Olpidium brassicae and Ligniera sp.'' Canadian Plant Disease Survey 63:2, 1983 35, found aCPS-SCP of Canada website Accessed January 11, 2010. Vector ''O. brassicae'' is the fungal vector for most, if not all, necroviruses. References External links Index FungorumUSDA ARS Fungal Database Fungal plant pathogens and diseases Plant pathogens and diseases by vector Chytridiomycota Fungi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olpidiaceae
Olpidiaceae is a fungal plant pathogen family of genera, that was placed in the order Olpidiales. Taxonomy Based on the work of Philippe Silar and "The Mycota: A Comprehensive Treatise on Fungi as Experimental Systems for Basic and Applied Research" and synonyms from "Part 1- Virae, Prokarya, Protists, Fungi". * Phylum Olpidiomycota Doweld 2013 lpidiomycotina Doweld 2013** Class Olpidiomycetes Doweld 2013 *** Order Olpidiales Cavalier-Smith 2012 **** Family Olpidiaceae Schröter 1889 ***** Genus '' Agratia'' Mol. Nov. 2014 Morella'' Pérez Reyes 1964 non Loureiro 1790">Morella_(fungus).html" ;"title="'Morella (fungus)">Morella'' Pérez Reyes 1964 non Loureiro 1790***** Genus ''Chytridhaema'' Moniez 1887 ***** Genus ''Cibdelia'' Juel 1925 ***** Genus ''Leiolpidium'' Doweld 2014 ***** Genus ''Monochytrium'' Griggs 1910 ***** Genus '' Olpidiaster'' Saccas 1954 non Pascher 1917 ***** Genus '' Perolpidium'' Doweld 2014 ***** Genus '' Schizolpidium'' Doweld 2014 ***** Genus ''Olpid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chytridium
''Chytridium'' is a genus of fungi in the family Chytridiaceae. With the culture and characterization of '' Chytridium olla'', the type species of the order, the limits of the Chytridiales were established. ; Names brought to synonymy: * ''Chytridium (Olpidium)'' Braun 1856, a synonym for ''Olpidium ''Olpidium'' is a fungal genus in the family Olpidiaceae. Members of ''Olpidium'' are zoosporic pathogens of plants, animals, fungi, and oomycetes. Morphology ''Olpidium'' species exist as spherical zoosporangia inside the cells of their host ...'' References * Karling JS. (1971). On Chytridium Braun, Diplochytridium n. g. and Canteria n. g. (Chytridiales). Archiv für Mikrobiologie. volume 76, pages 126–131, * Alexander Braun, 1856: Über Chytridium, eine Gattung einzelliger Schmarotzergewächse auf Algen und Infusorien (On Chytridium, a genus of unicellular parasites on algae and infusoria) External links * * Chytridiomycota genera {{Chytridiomycota- ... [...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] |
Broadbean
''Vicia faba'', commonly known as the broad bean, fava bean, or faba bean, is a species of vetch, a flowering plant in the pea and bean family Fabaceae. It is widely cultivated as a crop for human consumption, and also as a cover crop. Varieties with smaller, harder seeds that are fed to horses or other animals are called field bean, tic bean or tick bean. Horse bean, ''Vicia faba'' var. ''equina'' Pers., is a variety recognized as an accepted name. This legume is very common in Southern European, Northern European, East Asian, Latin American and North African cuisines. Some people suffer from favism, a hemolytic response to the consumption of broad beans, a condition linked to a metabolism disorder known as G6PDD. Otherwise the beans, with the outer seed coat removed, can be eaten raw or cooked. In young plants, the outer seed coat can be eaten, and in very young plants, the seed pod can be eaten. Description ''Vicia faba'' is a stiffly erect, annual plant tall, wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oomycete
Oomycota forms a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, called oomycetes (). They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the result of contact between hyphae of male antheridia and female oogonia; these spores can overwinter and are known as resting spores. Asexual reproduction involves the formation of chlamydospores and sporangia, producing motile zoospores. Oomycetes occupy both saprophytic and pathogenic lifestyles, and include some of the most notorious pathogens of plants, causing devastating diseases such as late blight of potato and sudden oak death. One oomycete, the mycoparasite '' Pythium oligandrum'', is used for biocontrol, attacking plant pathogenic fungi. The oomycetes are also often referred to as water molds (or water moulds), although the water-preferring nature which led to that name is not true of most species, which are terrestrial pathoge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flagellum
A flagellum (; ) is a hairlike appendage that protrudes from certain plant and animal sperm cells, and from a wide range of microorganisms to provide motility. Many protists with flagella are termed as flagellates. A microorganism may have from one to many flagella. A gram-negative bacterium '' Helicobacter pylori'' for example uses its multiple flagella to propel itself through the mucus lining to reach the stomach epithelium, where it may cause a gastric ulcer to develop. In some bacteria the flagellum can also function as a sensory organelle, being sensitive to wetness outside the cell. Across the three domains of Bacteria, Archaea, and Eukaryota the flagellum has a different structure, protein composition, and mechanism of propulsion but shares the same function of providing motility. The Latin word means " whip" to describe its lash-like swimming motion. The flagellum in archaea is called the archaellum to note its difference from the bacterial flagellum. Euk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tobacco Mosaic Virus
''Tobacco mosaic virus'' (TMV) is a positive-sense single-stranded RNA virus species in the genus ''Tobamovirus'' that infects a wide range of plants, especially tobacco and other members of the family Solanaceae. The infection causes characteristic patterns, such as "mosaic"-like mottling and discoloration on the leaves (hence the name). TMV was the first virus to be discovered. Although it was known from the late 19th century that a non-bacterial infectious disease was damaging tobacco crops, it was not until 1930 that the infectious agent was determined to be a virus. It is the first pathogen identified as a virus. The virus was crystallised by W.M. Stanley. It has a similar size to the largest synthetic molecule, known as PG5 History In 1886, Adolf Mayer first described the tobacco mosaic disease that could be transferred between plants, similar to bacterial infections. In 1892, Dmitri Ivanovsky gave the first concrete evidence for the existence of a non-bacterial infec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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