DMH-11 Mustard
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DMH-11 Mustard
Dhara Mustard Hybrid-11, otherwise known as DMH - 11, is a genetically modified hybrid variety of the mustard species '' Brassica juncea''. It was developed by Professor Deepak Pental from the University of Delhi, with the aim of reducing India's demand for edible oil imports. DMH - 11 was created through transgenic technology, primarily involving the Bar, Barnase and Barstar gene system. The Barnase gene confers male sterility, while the Barstar gene restores DMH - 11's ability to produce fertile seeds. The insertion of the third gene Bar, enables DMH - 11 to produce phosphinothricin-N- acetyl-transferase, the enzyme responsible for Glufosinate resistance. This hybrid mustard variety has come under intense public scrutiny, mainly due to concerns regarding DMH - 11's potential to adversely affect the environment as well as consumer health. DMH - 11 was found not to pose any food allergy risks, and has demonstrated increased yields over existing mustard varieties. Conflictin ...
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Mustard Plant
The mustard plant is any one of several plant species in the genera ''Brassica'' and ''Sinapis'' in the family Brassicaceae (the mustard family). Mustard seed is used as a spice. Grinding and mixing the seeds with water, vinegar, or other liquids creates the yellow condiment known as Mustard (condiment), prepared mustard. The seeds can also be pressed to make mustard oil, and the edible leaves can be eaten as Brassica juncea, mustard greens. Many vegetables are cultivated varieties of mustard plants; domestication may have begun 6,000 years ago. History Although some varieties of mustard plants were well-established crops in Hellenistic and Roman Empire, Roman times, Zohary and Hopf note, "There are almost no Archaeology, archeological records available for any of these crops." Wild forms of mustard and its relatives, the radish and turnip, can be found over West Asia and Europe, suggesting their domestication took place somewhere in that area. However, Zohary and Hopf conclu ...
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Bacillus Amyloliquefaciens
''Bacillus amyloliquefaciens'' is a species of bacterium in the genus ''Bacillus'' that is the source of the BamHI restriction enzyme. It also synthesizes a natural antibiotic protein barnase, a widely studied ribonuclease that forms a famously tight complex with its intracellular inhibitor barstar, and plantazolicin, an antibiotic with selective activity against ''Bacillus anthracis''. It is used in agriculture, aquaculture, and hydroponics to fight root pathogens such as ''Ralstonia solanacearum,'' ''Pythium'', ''Rhizoctonia solani'', ''Alternaria tenuissima'' and ''Fusarium'' as well improve root tolerance to salt stress. They are considered a growth-promoting rhizobacteria and have the ability to quickly colonize roots. Discovery and name ''Bacillus amyloliquefaciens'' was discovered in soil 1943 by a Japanese scientist named Fukumoto, who gave the bacterium its name because it produced (''faciens'') a liquifying (''lique'') amylase (''amylo''). Uses Alpha amylase from ''B. ...
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The News Minute
''The News Minute'' is an Indian digital news platform based in Bangalore, Karnataka. It was founded by Dhanya Rajendran, Chitra Subramaniam and Vignesh Vellore in 2014. Apart from Karnataka, it also has bureaus in the states of Telangana, Andhra Pradesh, Tamil Nadu and Kerala. History In a December 2015 interview with Sadhana Chathurvedula of ''Mint'', Vignesh Vellore mentioned that the website has currently hired 12 people to work in it. ''The News Minute'' had secured an undisclosed amount of funding from Raghav Bahl's company. They raised second round of undisclosed amount in 2019. It plans to use those funds to hire more reporters and editors as well as expand its coverage. Vignesh Vellore stated that ''The News Minute'' aims to make use of User interface (UI) "so as to keep the audience more engaged with the content we publish." Notable people *Chitra Subramaniam Former editor for ''The Hindu'', known for her investigations on the Bofors scandal. She is also an Edi ...
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Acetylation
: In organic chemistry, acetylation is an organic esterification reaction with acetic acid. It introduces an acetyl group into a chemical compound. Such compounds are termed ''acetate esters'' or simply '' acetates''. Deacetylation is the opposite reaction, the removal of an acetyl group from a chemical compound. Organic synthesis Acetate esters and acetamides are generally prepared by acetylations. Acetylations are often used in making C-acetyl bonds in Friedel-Crafts reactions. Carbanions and their equivalents are susceptible to acetylations. Acetylation reagents Many acetylations are achieved using these three reagents: * Acetic anhydride. This reagent is common in the laboratory; its use cogenerates acetic acid. *Acetyl chloride. This reagent is also common in the laboratory, but its use cogenerates hydrogen chloride, which can be undesirable. *Ketene. At one time acetic anhydride was prepared by the reaction of ketene with acetic acid: :H2C=C=O + CH3COOH -> (CH3CO)2 ...
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BMC Genomics
''BMC Genomics'' is an open-access scientific journal covering all areas of genomics and proteomics. The journal was established in 2000 and is published by BioMed Central. The editor-in-chief is Matteo Pasini. Its 2021 impact factor is 4.56. Abstracting and Indexing The journal is indexed in PubMed, PubMed Central, MEDLINE, BIOSIS Previews, EMBASE, Scopus, Zoological Record ''The Zoological Record'' (''ZR'') is an electronic index of zoological literature that also serves as the unofficial register of scientific names in zoology. It was started as a print publication in 1864 by the Zoological Society of London, a ..., and other indexing services. References Genetics in the United Kingdom Genetics journals English-language journals BioMed Central academic journals Publications established in 2000 Genomics journals {{genetics-journal-stub ...
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Glutamine Synthetase
Glutamine synthetase (GS) () is an enzyme that plays an essential role in the metabolism of nitrogen by catalyzing the condensation of glutamate and ammonia to form glutamine: Glutamate + Adenosine triphosphate, ATP + NH3 → Glutamine + Adenosine diphosphate, ADP + phosphate Glutamine synthetase uses ammonia produced by nitrate reduction, amino acid degradation, and photorespiration. The amide group of glutamate is a nitrogen source for the synthesis of glutamine pathway metabolites. Other reactions may take place via GS. Competition between ammonium ion and water, their binding affinities, and the concentration of ammonium ion, influences glutamine synthesis and glutamine hydrolysis. Glutamine is formed if an ammonium ion attacks the acyl-phosphate intermediate, while glutamate is remade if water attacks the intermediate. Ammonium ion binds more strongly than water to GS due to electrostatic forces between a cation and a negatively charged pocket. Another possible reac ...
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Phosphinothricin
Glufosinate (also known as phosphinothricin and often sold as an ammonium salt) is a naturally occurring broad-spectrum herbicide produced by several species of '' Streptomyces'' soil bacteria. Glufosinate is a non-selective, contact herbicide, with some systemic action. Plants may also metabolize bialaphos, another naturally occurring herbicide, directly into glufosinate. The compound irreversibly inhibits glutamine synthetase, an enzyme necessary for the production of glutamine and for ammonia detoxification, giving it antibacterial, antifungal and herbicidal properties. Application of glufosinate to plants leads to reduced glutamine and elevated ammonia levels in tissues, halting photosynthesis and resulting in plant death. Discovery In the 1960s and early 1970s, scientists at University of Tübingen and at the Meiji Seika Kaisha Company independently discovered that species of '' Streptomyces'' bacteria produce a tripeptide they called bialaphos that inhibits bacteria; it ...
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Springer Berlin Heidelberg
Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in Berlin Berlin ( , ) is the capital and largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's most populous city, according to population within city limits. One of Germany's sixteen constitue ..., it expanded internationally in the 1960s, and through mergers in the 1990s and a sale to venture capitalists it fused with Wolters Kluwer and eventually became part of Springer Nature in 2015. Springer has major offices in Berlin, Heidelberg, Dordrecht, and New York City. History Julius Springer founded Springer-Verlag in Berlin in 1842 and his son Ferdinand Springer grew it from a small firm of 4 employees into Germany's then second largest academic publisher with 65 staff in 1872 ...
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Streptomyces Hygroscopicus
''Streptomyces hygroscopicus'' is a bacterial species in the genus '' Streptomyces''. It was first described by Hans Laurits Jensen in 1931. Biochemistry Cultures of different strains of ''S. hygroscopicus'' can be used to produce a number of chemical compounds or enzymes. Small molecules Immunosuppressants Sirolimus (also known as rapamycin) is an immunosuppressant that has been isolated from ''S. hygroscopicus'' from soil samples from Easter Island. Ascomycin can be used to treat autoimmune diseases and skin diseases, and can help prevent rejection after an organ transplant. Antibiotics The antibiotics geldanamycin, hygromycin B, nigericin, validamycin, and cyclothiazomycin are found in ''S. hygroscopicus''. Experimental cancer drugs Indolocarbazoles can be found in ''S. hygroscopicus'' . Anthelmintics and insecticides Milbemycin and milbemycin oxime can be found in ''S. hygroscopicus'' cultures. Herbicide ''S. hygroscopicus'' also produces the natural ...
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Bialaphos
Bialaphos is a natural herbicide produced by the bacteria ''Streptomyces hygroscopicus'' and ''Streptomyces viridochromogenes''. Bialaphos is a protoxin and nontoxic as is. When it is metabolized by the plant, the glutamic acid analog glufosinate is released which inhibits glutamine synthetase. This results in the accumulation of ammonium and disruption of primary metabolism. Bialaphos is made up of two alanine residues and glufosinate, and is commonly used as a selection marker in plants. Resistance plasmids include pGreenII 0229 and pGreenII 0229 62-SK. pGreenII 0229 is derived from pGreenII 0000, a nos- cassette Cassette may refer to: Technology * Cassette tape (or ''musicassette'', ''audio cassette'', ''cassette tape'', or ''tape''), a worldwide standard for analog audio recording and playback ** Cassette single (or "Cassingle"), a music single in the ... has been inserted into the HpaI site of the left border, providing resistance to bialaphos or phosphinothricin during p ...
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The Times Of India
''The Times of India'', also known by its abbreviation ''TOI'', is an Indian English-language daily newspaper and digital news media owned and managed by The Times Group. It is the third-largest newspaper in India by circulation and largest selling English-language daily in the world. It is the oldest English-language newspaper in India, and the second-oldest Indian newspaper still in circulation, with its first edition published in 1838. It is nicknamed as "The Old Lady of Bori Bunder", and is an Indian " newspaper of record". Near the beginning of the 20th century, Lord Curzon, the Viceroy of India, called ''TOI'' "the leading paper in Asia". In 1991, the BBC ranked ''TOI'' among the world's six best newspapers. It is owned and published by Bennett, Coleman & Co. Ltd. (B.C.C.L.), which is owned by the Sahu Jain family. In the Brand Trust Report India study 2019, ''TOI'' was rated as the most trusted English newspaper in India. Reuters rated ''TOI'' as India's most trus ...
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Self-pollination
Self-pollination is a form of pollination in which pollen from the same plant arrives at the Stigma (botany), stigma of a flower (in flowering plants) or at the ovule (in gymnosperms). There are two types of self-pollination: in autogamy, pollen is transferred to the Stigma (botany), stigma of the same flower; in geitonogamy, pollen is transferred from the anther of one flower to the stigma of another flower on the same flowering plant, or from Microsporangia, microsporangium to ovule within a single (Monoecy, monoecious) gymnosperm. Some plants have mechanisms that ensure autogamy, such as flowers that do not open (cleistogamy), or stamens that move to come into contact with the stigma. The term selfing that is often used as a synonym, is not limited to self-pollination, but also applies to other types of self-fertilization. Occurrence Few plants self-pollinate without the aid of pollen vectors (such as wind or insects). The mechanism is seen most often in some legumes such as p ...
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