Sarocladium Oryzae
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Sarocladium Oryzae
''Sarocladium oryzae'' (Sawada) is a plant pathogen causing the sheath rot disease of rice and bamboo blight in Asia. Taxonomy and morphology ''Sarocladium oryzae'' has irregularly penicillate conidiophores and slimy, 1-celled conidia. ''Sarocladium oryzae'' was previously known as ''Acrocylindrium oryzae''. For forty years prior to 2005, the industrial strain used to manufacture the antibiotic cerulenin was known under the invalidly published name "''Cephalosporium caerulens''", but a subculture of the original ''C. caerulens'' strain KF-140 was subsequently shown to be conspecific with ''S. oryzae''. Physiology and metabolites In axenic culture, ''S. oryzae'' produces 0.3–0.627 micrograms of helvolic acid and 0.9–4.8 micrograms of cerulenin per milliliter of culture medium. The level of helvolic acid correlated with a higher incidence of sheath rot disease. Rice grains from infected plants were found to contain 2.2 micrograms helvolic acid and 1.75&n ...
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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'' (''true f ...
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Cerulenin
Cerulenin is an antifungal antibiotic that inhibits fatty acid and steroid biosynthesis. It was the first natural product antibiotic known to inhibit lipid synthesis. In fatty acid synthesis, it has been reported to bind in equimolar ratio to b-keto-acyl-ACP synthase, one of the seven moieties of fatty acid synthase, blocking the interaction of malonyl-CoA. It also has the related activity of stimulating fatty acid oxidation through the activation of CPT1, another enzyme normally inhibited by malonyl-CoA. Inhibition involves covalent thioacylation that permanently inactivates the enzymes. These two behaviors may increase the availability of energy in the form of ATP, perhaps sensed by AMPK, in the hypothalamus. In sterol synthesis, cerulenin inhibits HMG-CoA synthetase activity. It was also reported that cerulenin specifically inhibited fatty acid biosynthesis in ''Saccharomyces cerevisiae'' without having an effect on sterol formation. But in general conclusion, cerulenin ...
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Fungal Plant Pathogens And Diseases
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'' (''true f ...
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Bureau Of Rice Research And Development
Bureau ( ) may refer to: Agencies and organizations * Government agency *Public administration * News bureau, an office for gathering or distributing news, generally for a given geographical location * Bureau (European Parliament), the administrative organ of the Parliament of the European Union * Federal Bureau of Investigation, the leading internal law enforcement agency in the United States * Service bureau, a company which provides business services for a fee * Citizens Advice Bureau, a network of independent UK charities that give free, confidential help to people for money, legal, consumer and other problems Furniture * Desk, a piece of furniture, typically a table used for office work * Chest of drawers, a piece of furniture that has multiple, stacked, parallel drawers Geography * Bureau County, Illinois * Bureau Lake, a body of water in the Gouin Reservoir, in Quebec, Canada People * Bernard Béréau (1940–2005), French footballer * Bernard Bureau (born 1959), Fre ...
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Zinc Sulphate
Zinc sulfate is an inorganic compound. It is used as a dietary supplement to treat zinc deficiency and to prevent the condition in those at high risk. Side effects of excess supplementation may include abdominal pain, vomiting, headache, and tiredness. The most common form includes water of crystallization as the heptahydrate, with the formula . It was historically known as "white vitriol". Zinc sulfate and its hydrates are colourless solids. Uses Medicine In medicine it is used together with oral rehydration therapy (ORT) and an astringent. Manufacturing The hydrates, especially the heptahydrate, are the primary forms used commercially. The main application is as a coagulant in the production of rayon. It is also a precursor to the pigment lithopone. It is also used as an electrolyte for zinc electroplating, as a mordant in dyeing, and as a preservative for skins and leather. Other Zinc sulfate is used to supply zinc in animal feeds, fertilizers, toothpaste, and ...
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Calcium Sulphate
Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate is better known as plaster of Paris, and another occurs naturally as the mineral gypsum. It has many uses in industry. All forms are white solids that are poorly soluble in water.Franz Wirsching "Calcium Sulfate" in Ullmann's Encyclopedia of Industrial Chemistry, 2012 Wiley-VCH, Weinheim. Calcium sulfate causes permanent hardness in water. Hydration states and crystallographic structures The compound exists in three levels of hydration corresponding to different crystallographic structures and to minerals: * (anhydrite): anhydrous state. The structure is related to that of zirconium orthosilicate (zircon): is 8-coordinate, is tetrahedral, O is 3-coordinate. * (gypsum and selenite (mineral)): dihydrate. * (bassanite): hemihydrate, also known as plaster of Paris. S ...
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General Directorate Of Agriculture In Cambodia
A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED Online. March 2021. Oxford University Press. https://www.oed.com/view/Entry/77489?rskey=dCKrg4&result=1 (accessed May 11, 2021) The term ''general'' is used in two ways: as the generic title for all grades of general officer and as a specific rank. It originates in the 16th century, as a shortening of ''captain general'', which rank was taken from Middle French ''capitaine général''. The adjective ''general'' had been affixed to officer designations since the late medieval period to indicate relative superiority or an extended jurisdiction. Today, the title of ''general'' is known in some countries as a four-star rank. However, different countries use different systems of stars or other insignia for senior ranks. It has a NATO rank sc ...
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Plantwise
CABI (legally CAB International, formerly Commonwealth Agricultural Bureaux) is a nonprofit intergovernmental development and information organisation focusing primarily on agricultural and environmental issues in the developing world, and the creation, curation, and dissemination of scientific knowledge. Overview CABI is an international not-for-profit organisation. Their work is delivered through teams of CABI scientists and key partners working in over 40 countries across the world. CABI states its mission as "improving people’s lives worldwide by solving problems in agriculture and the environment". These problems include loss of crops caused by pests and diseases, invasive weeds and pests that damage farm production and biodiversity, and lack of global access to scientific research. Funding CABI states that only 3% of its revenue comes from core funding. Donors listed in the company's 2014 financial report include the UK's Department for International Development (£4 ...
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Centre For Agriculture And Bioscience International
CABI (legally CAB International, formerly Commonwealth Agricultural Bureaux) is a nonprofit intergovernmental development and information organisation focusing primarily on agricultural and environmental issues in the developing world, and the creation, curation, and dissemination of scientific knowledge. Overview CABI is an international not-for-profit organisation. Their work is delivered through teams of CABI scientists and key partners working in over 40 countries across the world. CABI states its mission as "improving people’s lives worldwide by solving problems in agriculture and the environment". These problems include loss of crops caused by pests and diseases, invasive weeds and pests that damage farm production and biodiversity, and lack of global access to scientific research. Funding CABI states that only 3% of its revenue comes from core funding. Donors listed in the company's 2014 financial report include the UK's Department for International Development ( ...
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Chlorosis
In botany, chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green color of leaves, chlorotic leaves are pale, yellow, or yellow-white. The affected plant has little or no ability to manufacture carbohydrates through photosynthesis and may die unless the cause of its chlorophyll insufficiency is treated and this may lead to a plant diseases called rusts, although some chlorotic plants, such as the albino ''Arabidopsis thaliana'' mutant ''ppi2'', are viable if supplied with exogenous sucrose. The word ''chlorosis'' is derived from the Greek ''khloros'' meaning "greenish-yellow", "pale green", "pale", "pallid", or "fresh". In viticulture, the most common symptom of poor nutrition in grapevines is the yellowing of grape leaves caused by chlorosis and the subsequent loss of chlorophyll. This is often seen in vineyard soils that are high in limestone such as the Italian wine region of Barolo in the Piedmont, the Spanish wi ...
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Microgram
In the metric system, a microgram or microgramme is a unit of mass equal to one millionth () of a gram. The unit symbol is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg. In μg the prefix symbol for micro- is the Greek letter μ (mu). Abbreviation and symbol confusion When the Greek lowercase "μ" (mu) in the symbol μg is typographically unavailable, it is occasionally – although not properly – replaced by the Latin lowercase "u". The United States-based Institute for Safe Medication Practices (ISMP) and the U.S. Food and Drug Administration (FDA) recommend that the symbol μg should not be used when communicating medical information due to the risk that the prefix μ (micro-) might be misread as the prefix m (milli-), resulting in a thousandfold overdose. The ISMP recommends the non- SI symbol mcg instead. However, the abbreviation mcg is also the sym ...
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