Relevant bibliographies by topics / Esterases. eng

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Esterases. eng'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Esterases. eng"

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Ferrer-Parra, Lorena, Dolores Itzel López-Nicolás, Rocío Martínez-Castillo, et al. "Partial characterization of esterases from Fusarium culmorum grown in media supplemented with di (2-ethyl hexyl phthalate) in solid-state and submerged fermentation." Mexican Journal of Biotechnology 3, no. 1 (2018): 82–94. http://dx.doi.org/10.29267/mxjb.2018.3.1.83.

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Di (2-ethylhexyl) phthalate (DEHP) is a plasticizer used in the polyvinyl chloride (PVC) industry. The indiscriminate use of various products manufactured with PVC, causes this plasticizer to be considered a contaminant. Fusarium culmorum is a phytopathogenic fungus that has the ability to produce esterase enzymes. Esterases are of great importance because they can break the ester bonds present in the plasticizers. In this work, the activity of esterases produced by F. culmorum grown in media supplemented with different concentrations of DEHP (1500 and 2000 mg/L) in solid-state fermentation an
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Mentlein, R., and E. Heymann. "Hydrolysis of retinyl esters by non-specific carboxylesterases from rat liver endoplasmic reticulum." Biochemical Journal 245, no. 3 (1987): 863–67. http://dx.doi.org/10.1042/bj2450863.

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The four most important non-specific carboxylesterases from rat liver were assayed for their ability to hydrolyse retinyl esters. Only the esterases with pI 6.2 and 6.4 (= esterase ES-4) are able to hydrolyse retinyl palmitate. Their specific activities strongly depend on the emulsifier used (maximum rate: 440 nmol of retinol liberated/h per mg of esterase). Beside retinyl palmitate, these esterases cleave palmitoyl-CoA and monoacylglycerols with much higher rates, as well as certain drugs (e.g. aspirin and propanidid). However, no transacylation between palmitoyl-CoA and retinol occurs. Retin
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Ríos-González, Naomi Surellem, Ángel González-Márquez, and Carmen Sánchez. "Growth and esterase activity of Fusarium culmorum grown in di(2- ethyl hexyl) phthalate in liquid fermentation." Mexican journal of biotechnology 4, no. 1 (2019): 51–60. http://dx.doi.org/10.29267/mxjb.2019.4.1.51.

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Di (2-ethyl hexyl) phthalate (DEHP) is a plasticizer present in various products, mainly those made with PVC. This phthalate has attracted attention due to its important participation in the contamination of the environment. It has been reported as an endocrine-disrupting compound in mammals. Fusarium culmorum is a phytopathogenic fungus able to degrade DEHP, because it produces esterases, which are enzymes capable to break down ester bonds present in the structure of phthalates. In this research, growth, protein content and esterases activity by biochemical tests and polyacrylamide gel electr
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Bouzid, Ourdia, Eric Record, Michèle Asther, et al. "Exploration of members ofAspergillussectionsNigri,Flavi, andTerreifor feruloyl esterase production." Canadian Journal of Microbiology 52, no. 9 (2006): 886–92. http://dx.doi.org/10.1139/w06-046.

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The ability of members of Aspergillus sections Nigri, Flavi, and Terrei to produce feruloyl esterases was studied according to their substrate specificity against synthetic methyl esters of hydroxycinnamic acids. Type A feruloyl esterases (FAEA), induced during growth on cereal-derived products, show a preference for the phenolic moiety of substrates that contain methoxy substitutions, as found in methyl sinapinate, whereas type B feruloyl esterases (FAEB) show a preference for the phenolic moiety of substrates that contain hydroxyl substitutions, as occurs in methyl caffeate. All the strains
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Julinawati, Syarifah, Oke Rina, Rosmayanti Rosmayanti, Rafita Ramayati, and Rusdidjas Rusdidjas. "Urine dipstick test for diagnosing urinary tract infection." Paediatrica Indonesiana 53, no. 6 (2013): 315. http://dx.doi.org/10.14238/pi53.6.2013.315-9.

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Background Urinary tract infection (UTI) is a common diseasein children. Approximately 3-5% of girls and 1 % of boys developa UTI. In children, prompt treatment is essential because UTImay be a risk factor for developing renal insufficiency or end stagerenal disease. Howevet; prompt treatment depends on having arapid diagnosis. Urine dipstick testis a useful and commonly usedbecause it is low cost and gives rapid results, compared to urinecultures for diagnosing UTis. However, the diagnostic accuracyof the urine dipstick test is debatable.Objective To compare urine dipstick test (leukocyte est
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Afify, Adel S., Yoshimitsu Yamazaki, Yu-ichi Kageyama, et al. "Different Expression of Esterase Variants in Rat Hepatic and Hepatom a-Derived Cell Lines Detected by Electrophoresis." Zeitschrift für Naturforschung C 50, no. 9-10 (1995): 664–68. http://dx.doi.org/10.1515/znc-1995-9-1011.

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Abstract Esterases in nine rat hepatic and hepatoma-derived cell lines and normal rat liver homogenate were detected by polyacrylamide gel electrophoresis coupled with active staining with a-naphthyl acetate or butyrate as a substrate. The esterase band patterns of the non-cancerous and oncogene-transformed cell lines were alike, but different from those of hepatoma cell lines and normal rat liver homogenate. The former groups of cells might have completely lost the characteristics of rat liver parenchymal cells, or else they might have their origin at cells other than liver parenchyma. The es
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Robbi, M., H. Beaufay, and J. N. Octave. "Nucleotide sequence of cDNA coding for rat liver pI 6.1 esterase (ES-10), a carboxylesterase located in the lumen of the endoplasmic reticulum." Biochemical Journal 269, no. 2 (1990): 451–58. http://dx.doi.org/10.1042/bj2690451.

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A commercial rat liver cDNA library in lambda gt11 was screened with a rabbit antiserum to native pI 6.1 esterase (ES-10). The inserts of the immunoreactive clones were short (0.9-1.1 kbp). One of these was used as a probe to rescreen the library, yielding 30 clones, two of which contained relatively long (approx. 1.9 kbp) and widely overlapping cDNA inserts. They did not contain the first two nucleotide residues of the initiator codon, nor the 5′-end untranslated portion of the mRNA. These were derived from a home-made rat liver cDNA library in lambda gt11, screened with an oligonucleotide co
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Hemingway, J., N. Hawkes, L. Prapanthadara, K. G. I. Jayawardenal, and H. Ranson. "The role of gene splicing, gene amplification and regulation in mosquito insecticide resistance." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 353, no. 1376 (1998): 1695–99. http://dx.doi.org/10.1098/rstb.1998.0320.

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The primary routes of insecticide resistance in all insects are alterations in the insecticide target sites or changes in the rate at which the insecticide is detoxified. Three enzyme systems, glutathione S–transferases, esterases and monooxygenases, are involved in the detoxification of the four major insecticide classes. These enzymes act by rapidly metabolizing the insecticide to non–toxic products, or by rapidly binding and very slowly turning over the insecticide (sequestration). In Culex mosquitoes, the most common organophosphate insecticide resistance mechanism is caused by co–amplific
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de Vries, Ronald P., and Jaap Visser. "Regulation of the Feruloyl Esterase (faeA) Gene from Aspergillus niger." Applied and Environmental Microbiology 65, no. 12 (1999): 5500–5503. http://dx.doi.org/10.1128/aem.65.12.5500-5503.1999.

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ABSTRACT Feruloyl esterases can remove aromatic residues (e.g., ferulic acid) from plant cell wall polysaccharides (xylan, pectin) and are essential for complete degradation of these polysaccharides. Expression of the feruloyl esterase-encoding gene (faeA) fromAspergillus niger depends on d-xylose (expression is mediated by XlnR, the xylanolytic transcriptional activator) and on a second system that responds to aromatic compounds with a defined ring structure, such as ferulic acid and vanillic acid. Several compounds were tested, and all of the inducing compounds contained a benzene ring which
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Wei, L., S. Gao, W. Xiong, et al. "Latrophilin mediates insecticides susceptibility and fecundity through two carboxylesterases, esterase4 and esterase6, in Tribolium castaneum." Bulletin of Entomological Research 109, no. 4 (2019): 534–43. http://dx.doi.org/10.1017/s0007485318000895.

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AbstractLatrophilin (LPH) is known as an adhesion G-protein-coupled receptor which involved in multiple physiological processes in organisms. Previous studies showed that lph not only involved the susceptibility to anticholinesterase insecticides but also affected fecundity in Tribolium castaneum. However, its regulatory mechanisms in these biological processes are still not clear. Here, we identified two potential downstream carboxylesterase (cce) genes of Tclph, esterase4 and esterase6, and further characterized their interactions with Tclph. After treatment of T. castaneum larvae with carbo
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Dissertations / Theses on the topic "Esterases. eng"

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Paulino, Rafael Marques. "Caracterização molecular e bioquímica de uma esterase macho-específica em Zaprionus indianus /." São José do Rio Preto : [s.n.], 2008. http://hdl.handle.net/11449/92500.

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Resumo: Zaprionus indianus (Diptera:Drosophilidae) é uma espécie provavelmente de origem africana e que rapidamente se dispersou por parte do continente sul-americano. Hoje, indivíduos dessa espécie são encontrados numa amplitude latitudinal de 35°, do Uruguai a Belém (Brasil). Em Z. indianus e nos demais insetos, as esterases constituem um grupo multifuncional e heterogêneo de enzimas que participam da hidrólise de ésteres, além de estarem relacionadas a diversos processos metabólicos. Neste estudo, foram realizadas análises de esterases de Z. indianus e Drosophila melanogaster, em géis de po
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Bernardo, Alessandra Augusta. "Caracterização do padrão de esterases de espécies de Drosophila de grupo saltans (subgênero Sophophora) e sua aplicação ao estudo da filogenia e à identificação de espécies /." São José do Rio Preto : [s.n.], 2007. http://hdl.handle.net/11449/102741.

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Orientador: Hermione Elly Melara de Campos Bicudo<br>Banca: Lílian Castiglioni<br>Banca: Marcelo Ferreira Lourenço<br>Banca: Eduardo Alves de Almeida<br>Banca: Lilian Madi Ravazzi<br>Resumo: Os padrões de esterases de 19 linhagens de 10 espécies do grupo saltans foram analisados usando eletroforese em gel de poliacrilamida e α e β-naftil acetatos como substratos. Cinqüenta e uma bandas esterásicas foram detectadas e classificadas como 31 α-esterases, 18 β-esterases e duas α/β-esterases. Com base nos padrões de inibição usando Malathion e sulfato de eserina, 34 bandas foram classificadas como c
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Lima, Daína de. "Estudo do efeito de metais em esterases de zebrafish (Danio rerio) /." São José do Rio Preto : [s.n.], 2011. http://hdl.handle.net/11449/97780.

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Orientador: Eduardo Alves de Almeida<br>Banca: Gisela de Aragão Umbuzeiro<br>Banca: Lilian Castiglioni<br>Resumo: Ambientes naturais próximos a áreas urbanas e industrializadas são comumente contaminadas com descargas de poluentes, as quais são muitas vezes compostas por agentes químicos que não são removidos por sistemas de tratamento de efluentes convencionais, resultando num grande aporte de substâncias potencialmente tóxicas no ambiente aquático. Os metais são componentes naturais presentes nos ecossistemas. Estes elementos são indispensáveis para processos bioquímicos e fisiológicos nos s
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Rangel, Veronica Ferreira. "Efeito da Hidroxiuréia, uma substância de uso médico, sobre parâmetros biológicos de Drosophila melanogaster /." São José do Rio Preto : [s.n.], 2011. http://hdl.handle.net/11449/92517.

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Orientador: Hermione Elly Melara de Campos Bicudo<br>Banca: Otávio Ricci Júnior<br>Banca: Cláudia Regina Bonini Domingos<br>Resumo: A Hidroxiuréia (HU) é utilizada como medicamento em várias doenças humanas, incluindo anemia falciforme e câncer. Basicamente, na primeira, atua aumentando a porcentagem de hemoglobina fetal, o que diminui a gravidade do quadro clínico por inibir a polimerização da hemoglobina S e, no segundo, atua impedindo a síntese de DNA na fase S, desta forma bloqueando a divisão celular. Há preocupação com o tratamento longo com essa substância por causar efeitos colaterais,
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Moretti, Marcia Maria de Souza. "Isolamento de fungos termofílicos produtores de celulases, xilanases e ferruloil esterase para bioconversão de bagaço de cana de açúcar em açúcares fermentescíveis /." Rio Claro : [s.n.], 2010. http://hdl.handle.net/11449/94972.

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Resumo: Dos 27 microrganismos recém isolados, A. fumigatus M.7.1 e Myceliophthora sp M.7.7 foram os melhores produtores de FPase (0,8 e 2,0 U/g de substrato) e xilanase (1040 e 1292 U/g de substrato), quando cultivados por fermentação em estado sólido (FES) em mistura de bagaço de cana e farelo de trigo (1:1). As produções máximas de xilanase (7237,9 U/g de substrato) e endoglucanase (46,2 U/g de substrato) por A. fumigatus M.7.1 foram observadas pelo cultivo do fungo em palha de milho e farelo de trigo (9:1 p/p) e bagaço de cana e farelo de trigo (9:1 p/p), respectivamente. Em relação ao isol
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Pereira, Débora Helena. "Efeito citotóxico do sistema HRP/Indóis em células McCoy in vitro /." Araraquara : [s.n.], 2008. http://hdl.handle.net/11449/93125.

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Resumo: A terapia pró-droga/enzima direcionada por anticorpo (ADEPT) consiste em uma primeira etapa , no direcionamento de uma enzima veiculada por anticorpo à uma célula tumoral. Numa segunda etapa uma pró-droga inócua é administrada, e, na presença da enzima, produz compostos citotóxicos restritos à localização do tumor. O par enzima/pró-droga horseradish peroxidase (HRP)/ ácido 3- indol acético (IAA) tem sido aplicada nas estratégias ADEPT. Nesta combinação, o hormônio de planta não tóxico IAA é ativado para espécies citotóxicas pela ação catalítica da HRP. A elucidação das etapas e produto
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Emerick, Guilherme Luz. "Avaliação de neurotoxicidade de formas enantioméricas de praguicidas organifosforados : estudos in vitro, in vivo e de neuroproteção /." Araraquara : [s.n.], 2012. http://hdl.handle.net/11449/106391.

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Orientador: Georgino Honorato de Oliveira<br>Coorientador: Regina Vincenzi Oliveira<br>Banca: Maria Palmira Daflon Gremião<br>Banca: Antonio Cardozo dos Santos<br>Banca: Rosângela Gonçalves Peccinini<br>Banca: Silvana Aparecida Calafatti<br>Resumo: Clinicamente, os sintomas da intoxicação por organofosforados (OPs) são divididos em quatro categorias: síndrome colinérgica, síndrome intermediária, transtornos neuropsiquiátricos crônicos induzidos por OPs e neuropatia retardada induzida por OPs (NRIOP). Há estudos que comprovam a ocorrência de casos de NRIOP em seres humanos após intoxicação por
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Marina, Francišković. "Fitohemijska karakterizacija i biološka aktivnost odabranih vrsta tribusa Urticeae i Parietarieae (Urticaceae Juss.)." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2015. https://www.cris.uns.ac.rs/record.jsf?recordId=94950&source=NDLTD&language=en.

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U okviru ove doktorske disertacije ispitan je hemijski sastav i biolo&scaron;ke aktivnosti metanolnih i vodenih ekstrakata odabranih samoniklih vrsta tribusa Urticeae, rod&nbsp; Urtica:&nbsp; U. <em>dioica</em>&nbsp; subsp.&nbsp; <em>dioica</em>&nbsp; var.&nbsp;<em> pubescens</em>, U.<em>&nbsp; dioica&nbsp;</em> subsp.&nbsp; <em>dioica&nbsp; </em>var.&nbsp; <em>dioica</em>&nbsp; i&nbsp; U. <em>kioviensis</em>&nbsp; i tribusa Parietarieae, rod&nbsp; Parietaria:<em>&nbsp; P. officinalis</em>,&nbsp; <em>P.</em><em>lusitanica</em> L. subsp<em>. lusitanica</em>,<em> P. judaica</em> L. subsp. <em>ju
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Book chapters on the topic "Esterases. eng"

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Subramoniam, T. "Yolk utilization and esterase activity in the mole crab Emerita asiatica (Milne Edwards)." In Crustacean Egg Production. CRC Press, 2020. http://dx.doi.org/10.1201/9781003072560-4.

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Davenport, A. "Clinical investigation of renal disease." In Oxford Textbook of Medicine. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199204854.003.2104_update_006.

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An accurate history and careful examination will determine the sequence and spectrum of clinical investigations required to make a diagnosis or decide on prognosis or treatment. Midstream urine (MSU) sample—this standard investigation requires consideration of: (1) macroscopic appearance—this may be suggestive of a diagnosis, e.g. frothy urine suggests heavy proteinuria; (2) stick testing—including for pH (&lt;5.3 in an early-morning specimen makes a renal acidification defect unlikely), glycosuria, specific gravity (should be &gt;1.024 in an early-morning or concentrated sample), nitrite (&gt;90% of common urinary pathogens produce nitrite) and leucocyte esterase; and (3) microscopy—for cellular elements (in particular red cells, with the presence of dysmorphic red cells detected by experienced observers indicative of glomerular bleeding), casts (cellular casts indicate renal inflammation), and crystals....
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Mahmoudian, M., B. S. Baines, M. J. Dawson, and G. C. Lawrence. "Resolution of 1-Benzamido-4-Carboxymethyl-Cyclopent-2-Ene Using Pig Liver Esterase." In Progress in Biotechnology. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89046-7.50077-1.

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Conference papers on the topic "Esterases. eng"

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Philapitsch, A., S. Ponov, P. G. Kirchhoff, E. Urban, K. Anderle, and R. Hrdinka. "THROMBOSIS RISK FACTORS IN CARDIOVASCULAR SURGERY IN CHILDREN AND ADULTS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643109.

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Antithrombin III (AT-III) and protein C (PC) deficiencies are knoi/n to be associated v/ith a major risk of thrombosis. Before, during and after cardiovascular surgery (CS) AT-III end PC were investigated in plasma samples obtained within the framework of a randomised Cl-esterase inhibitor (Cl-INH)-c.pro-tinin-placebo study in adults undergoing extracornoreel circulation (ECC), and children subjected to ECC and treated with aprotinin. Determination of AT-III and PC activity gave the following results:AT-III: Preoperative values in adults (n = 25) and children (r: = 11) were normal amounting to
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