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Registros recuperados: 5
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Bioconcentration and elimination of endosulfan by yellow tetra fish under laboratory conditions. Repositório Alice
JONSSON, C. M.; TOLEDO, M.C.F..
1992
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Hyphessobrycon bifasciatus; Fish; Insecticide; Bioconcentration; Elimination; Toxicology; Residues; Contamination.
Ano: 1992 URL: http://www.alice.cnptia.embrapa.br/handle/doc/11539
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Misconceptions and false expectations in neutral evolution Biol. Res.
VALENZUELA,CARLOS Y..
Neutral evolution results from random recurrent mutation and genetic drift. A small part of random evolution, that which is related to protein or DNA polymorphisms, is the subject of the Neutral Theory of Evolution. One of the foundations of this theory is the demonstration that the mutation rate (m) is equal to the substitution rate. Since both rates are independent of population size, they are independent of drift, which is dependent upon population size. Neutralists have erroneously equated the substitution rate with the fixation rate, despite the fact that they are antithetical conceptions. The neutralists then applied the random walk stochastic model to justify alleles or bases that were fixated or eliminated. In this model, once the allele or base...
Tipo: Journal article Palavras-chave: Neutral evolution; Neutral theory; Misconceptions; Bases fixation; Elimination.
Ano: 2000 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602000000300004
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Selective elimination of chloroplastidial DNA for metagenomics of bacteria associated with the green alga Caulerpa Taxifolia (bryopsidophyceae) ArchiMer
Aires, Tania; Marba, Nuria; Serrao, Ester A.; Duarte, Carlos M.; Arnaud-haond, Sophie.
Molecular analyses of bacteria associated with photosynthetic organisms are often confounded by coamplification of the chloroplastidial 16S rDNA with the targeted bacterial 16S rDNA. This major problem has hampered progress in the characterization of bacterial communities associated to photosynthetic organisms and has limited the full realization of the potential offered by the last generation of metagenomics approaches. A simple and inexpensive method is presented, based on ethanol and bleach treatments prior to extraction, to efficiently discard a great part of chloroplastidial DNA without affecting the characterization of bacterial communities through pyrosequencing. Its effectiveness for the description of bacterial lineages associated to the green...
Tipo: Text Palavras-chave: 16S; Chloroplasts; Elimination; Green algae; Metagenomics.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00076/18739/16464.pdf
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Uptake and elimination of endosulfan by zebra fish. Repositório Alice
TOLEDO, M.C.F.; JONSSON, C. M..
1992
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Insecticides; Pesticides; Toxicology; Absorption; Elimination; Fishes; Bioconcentration; Contamination; Residues; Inseticida; Endosulfan; Pesticida; Toxicologia; Absorcao; Eliminacao; Peixes; Paulistinha; Brachydanio rerio; Bioconcentracao; Toxicocinetica; Contaminacao; Residuos.
Ano: 1992 URL: http://www.alice.cnptia.embrapa.br/handle/doc/10494
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О некоторых закономерностях продукционных процессов в популяциях черноморской мидии (Mytilus galloprovincialis Lam.), выращиваемой на разных типах искусственных субстратов IBSS Repository
Золотницкий, А. П..
Исследованы закономерности протекания продукционных процессов в популяциях мидии (Mytilus galloprovincialis Lam.), выращиваемых на разных типах искусственных субстратах - коллекторах. Показано, что амплитуда и скорость продуцирования биомассы мидии в значительной степени определяются архитектоникой искусственных субстратов, а также начальной плотностью осевшего спата. Дана количественная характеристика продукции, элиминации и стационарной биомассы (урожая) моллюсков в процессе их культивирования в различных районах Черного моря.
Tipo: Journal Contribution Palavras-chave: Мидия; Популяция; Продукция; Элиминация; Искусственный субстрат; Черное море; Mussel; Population; Production; Elimination; Artificial substratum; Black Sea.
Ano: 2006 URL: http://repository.ibss.org.ua/dspace/handle/99011/307
Registros recuperados: 5
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