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Prueba rápida para la detección de plantas de maíz resistentes al herbicida glifosato. Colegio de Postgraduados
Urzúa Gutiérrez, Jaime Alfredo.
La liberación al ambiente de maíz (Zea mays L) genéticamente modificado resistente a glifosato, requiere de metodologías rápidas, confiables y no destructivas que permitan detectar de manera confiable siembras ilegales o presencia de plantas que expresan este gen transferido vía flujo de polen. Para tal fin, se elaboró una prueba rápida que delata la presencia de transgenes con resistencia a glifosato y su eficacia se corroboró con la prueba bioquímica de acumulación de shikimato. La metodología consiste en cortar discos de hoja de 0.5 cm de diámetro de la tercera hoja verdadera de plantas de maíz de dos semanas de edad y exponerlos a la concentración de 4.32 g i.a. L-1 de glifosato más 2% v/v de sulfato de amonio, durante 12 h a 40 ºC; luego a una...
Palavras-chave: Maíz transgénico; Maíz biotecnológico; Bioseguridad; Shikimato; Transgenic corn; Biotechnologic corn; Biosafety; Shikimate; Maestría; Entomología y Acarología.
Ano: 2012 URL: http://hdl.handle.net/10521/731
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Prueba rápida para la detección de plantas de maíz resistentes al herbicida glifosato. Colegio de Postgraduados
Urzúa Gutiérrez, Jaime Alfredo.
La liberación al ambiente de maíz (Zea mays L) genéticamente modificado resistente a glifosato, requiere de metodologías rápidas, confiables y no destructivas que permitan detectar de manera confiable siembras ilegales o presencia de plantas que expresan este gen transferido vía flujo de polen. Para tal fin, se elaboró una prueba rápida que delata la presencia de transgenes con resistencia a glifosato y su eficacia se corroboró con la prueba bioquímica de acumulación de shikimato. La metodología consiste en cortar discos de hoja de 0.5 cm de diámetro de la tercera hoja verdadera de plantas de maíz de dos semanas de edad y exponerlos a la concentración de 4.32 g i.a. L-1 de glifosato más 2% v/v de sulfato de amonio, durante 12 h a 40 ºC; luego a una...
Palavras-chave: Maíz transgénico; Maíz biotecnológico; Bioseguridad; Shikimato; Transgenic corn; Biotechnologic corn; Biosafety; Shikimate; Maestría; Entomología y Acarología.
Ano: 2012 URL: http://hdl.handle.net/10521/731
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Monitoring the threat of unintentional transgene flow into maize gene banks and breeding materials Electron. J. Biotechnol.
Mezzalama,Monica; Crouch,Jonathan H; Ortiz,Rodomiro.
The use of transgenic crops is steadily increasing around the world, led by soybean (based on total area) and maize (in terms of total number of countries). Transgenic maize is grown in at least 17 countries across four continents: Africa, America, Asia and Europe. The comprehensive global spread of transgenic maize has significant implications for organizations involved in germplasm conservation and genetic enhancement; particularly as some countries require a GMO-free declaration when receiving shipments of maize germplasm. This article describes the protocol used by the International Maize and Wheat Improvement Center (CIMMYT) for monitoring unintentional transgene flow in maize genebank and breeding plots. The protocol is based on polymerase chain...
Tipo: Journal article Palavras-chave: Biosafety; Genetic integrity; Germplasm enhancement; GM-maize.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000200006
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Transgenic trees and forestry biosafety Electron. J. Biotechnol.
Valenzuela,Sofía; Balocchi,Claudio; Rodríguez,Jaime.
The benefits from the development of transgenic trees are expected from the improvement of traits as growth and form, wood quality, industrial processes, disease and insect resistance, herbicide tolerance, ecological restoration, rooting ability, etc. One of the first reported field trials with genetically modified forest trees was established in Belgium in 1988 and the characteristic evaluated was herbicide tolerance in poplars. Since then, there have been more than 200 reported trials, involving at least 15 forest species. The majority of the field trials have been carried out in the USA (64%). More than 50% of the field trials are done with Populus species and the main target traits are herbicide tolerance (31%), followed by marker genes (23%) and...
Tipo: Journal article Palavras-chave: Biosafety; Forestry biotechnology; GMOs; GM trees.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300031
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Detecting adventitious transgenic events in a maize center of diversity Electron. J. Biotechnol.
Gamarra,Luis Fernando Rimachi; Delgado,Jorge Alcántara; Villasante,Yeny Aquino; Ortiz,Rodomiro.
Background: The genetic diversity of maize in Peru includes several landraces (within race clusters) and modern open pollinated and hybrid cultivars that are grown by farmers across various regions, thereby making this country a secondary center of diversity for this crop. A main topic of controversy in recent years refers to the unintended presence of transgenic events in locally grown cultivars at main centers of crop diversity. Peru does not yet have biosafety regulations to control or permit the growing of genetically modified crops. Hence, the aim of this research was to undertake a survey in the valley of Barranca, where there were recent claims of authorized transgenic maize grown in farmers fields as well as in samples taken from feed storage and...
Tipo: Journal article Palavras-chave: Biosafety; Corn; Sampling; Transgenes; Zea mays.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000400009
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Prodecimentos básicos para segurança em laboratório. Infoteca-e
MARTINS, C. M.; BASTOS, J. L.; RUMJANEK, N. G.; XAVIER, G. R..
Recomendações gerais. De ordem pessoal. Referentes ao laboratório. Procedimentos em situações de risco. Uso de materiais de vidro. Uso de chama em laboratório. Operações em capelas. Produtos tóxicos. Riscos biológicos. Manipulação de nitrogênio líquido e exposição à luz ultravioleta. Armazenagem.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Segurança no trabalho; Safety at work; Emergence.; Biossegurança; Emergência; Ergonomia; Prevenção de Acidente.; Ergonomics.; Biosafety.
Ano: 2005 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/621871
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Embarcadouro para granjas de reprodutores suínos certificadas (GRSC) ? modelo Embrapa Suínos e Aves. Infoteca-e
DALLA COSTA, O. A.; DALLA COSTA, F. A.; JACOB, J. de S.; AMARAL, A. L. do; MORES, N..
bitstream/item/160204/1/final8370.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Bem-estar animal.; Suíno; Transporte rodoviário; Embarque; Granja; Desinfecção; Biossegurança; Limpeza.; Animal welfare; Swine; Animal transport; Aseptic conditions; Biosafety.
Ano: 2017 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1070000
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Desenvolvimento de comunicação estratégica sobre biossegurança de plantas geneticamente modificadas: o caso do projeto LAC-Biosafety no Brasil. Infoteca-e
ARANTES, O. M. N.; SILVEIRA, J. M. F. J. da; BORGES, I. de C.; CAPALBO, D. M. F.; SCHNEIDER, D. R. S.; GATTAZ, N. C.; LIMA, E. de S..
bitstream/item/40208/1/Documentos-85.pdf
Tipo: Documentos (INFOTECA-E) Palavras-chave: Plantas geneticamente modificadas; Consulta social; Divulgação científica; Communication.; Biossegurança; Planta transgênica; Comunicação; Biosafety; Transgenic plants..
Ano: 2011 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/898401
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Anais... Infoteca-e
SIMPÓSIO BRASIL SUL DE AVICULTURA, 18.; BRASIL SUL POULTRY FAIR, 9., 2016, Chapecó..
bitstream/item/160221/1/final8528.pdf
Tipo: Livro técnico (INFOTECA-E) Palavras-chave: Avicultura; Produção animal; Cadeia produtiva; Agronegócio; Biossegurança; Sanidade animal; Aviculture; Poultry production; Agribusiness; Biosafety; Animal health.
Ano: 2017 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1070017
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Proceedings book... Infoteca-e
INTERNATIONAL SYMPOSIUM ON THE EPIDEMIOLOGY AND CONTROL OF BIOLOGICAL, CHEMICAL AND PHYSICAL HAZARDS IN PIG AND PORK, 12., 2017, Foz do Iguaçu..
Palestras/Keynote: Pork production chain: importance and challenges faced/Janice Reis Ciacci Zanella; Toxoplasma gondii and the role of pork/Sara M. Pires, Heidi Enemark, Thomas Rosendal, Anna Lúnden, Pikka Jokelainen, Lis Alban; Resilience in the pork supply chain from the food safety perspective/Lis Alban, Barbara Haesler, Liza Rosenbaum Nielsen, Simon Ruegg; Transmission of antimicrobial resistance from pigs to humans: trues and lies/Luca Guardabassi; The use of risk assessment to support control of Salmonella in pork/Maarten Nauta, Luis Corbellini, Søren Aabo. Epidemiology of foodborne pathogens and zoonotic diseases in the pork production chain; Surveillance and control of foodborne pathogens at pre-harvest and post-harvest level; Antimicrobials in...
Tipo: Livro técnico (INFOTECA-E) Palavras-chave: Risco biológico; Safe food; Safe pork.; Epidemiologia; Suinocultura; Biossegurança; Biosafety; Physical control; Chemical control; Biological control; Meat processing; Pork..
Ano: 2017 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1076307
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The Environmental Effects of Genetically Modified Crops Resistant to Insects Neotropical Entomology
FONTES,ELIANA M.G.; PIRES,CARMEN S.S.; SUJII,EDISON R.; PANIZZI,ANTÔNIO R..
Transgenic crops are currently being cultivated on a commercial scale in many countries. The area devoted to transgenic pest resistant varieties worldwide reached 13 million hectares in 2001. These varieties offer valuable benefits but also pose potential risks. Assessments of their impact on the environment are conducted before they are approved for commercial use, as required by the regulatory biosafety frameworks. In this review, we discuss the potential ecological consequences of the commercial use in agriculture of genetically modified insect resistant crops. We also discuss the impacts caused by the change in agricultural practices, and attempt to identify gaps and possible opportunities for research, considering this new technological tool. We based...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Transgenic crop; Bt gene; Non-target organism; Gene flow; Biosafety.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2002000400001
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Prevalence and drivers of seed and pollen-mediated geneflow in sorghum: implications for biosafety regulations and policy in Kenya AgEcon
Mgonja, Mary A.; Okello, Julius Juma; Mwangi, Stephen G.; Manyasa, Eric; Ouma, James Okuro; Godiah, Lawrence; Alumira, Jane; Kibuka, J..
This paper uses a random sample of 881 farmers drawn from eastern and western Kenya to examine the prevalence and drivers of seed and pollen mediated geneflow in the two major sorghum growing regions. It employs both qualitative and quantitative techniques to assess farmers’ awareness of wild sorghum varieties, the practices they use in maintaining varietal purity and the conditioners of their success in maintaining the purity of cultivated varieties. The study finds that, among others, cultural differences, agro-climate and poverty affect the awareness, practices used in maintaining varietal purity and farmers’ success in doing so. These findings have implication for biosafety and policy in Kenya due to the clamour to introduce genetically modified...
Tipo: Conference Paper or Presentation Palavras-chave: Cultivated sorghum; Prevalence of wild sorghum varieties; Geneflow; Varietal purity; Biosafety; Kenya; Crop Production/Industries; Food Security and Poverty; Production Economics.
Ano: 2009 URL: http://purl.umn.edu/51901
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Effects of the Cartagena Biosafety Protocol on Trade in GMOs, WTO Implications, and Consequences for China AgEcon
Xue, Dayuan; Tisdell, Clement A..
The UN Cartagena Protocol on Biosafety adopted in Montreal, 29 January, 2000 and opened for signature in Nairobi, 15-26 May, 2000 will exert a profound effect on international trade in genetically modified organisms (GMOs) and their products. In this paper, the background to the drafting and negotiation of the Protocol is outlined, and potential effects of various articles of the Protocol on international trade in GMOs are analyzed. Based on the present status of imports of GMOs and domestic research and development of biotechnology in China, likely trends in imports of foreign GMOs and related products after China accedes to WTO is explored. Also, China’s strategies and countermeasures to control and regulate imports of GMOs in line with implementation...
Tipo: Working or Discussion Paper Palavras-chave: Biosafety; Cartagena Protocol; Genetically modified organism; Trade; China; Agricultural and Food Policy; International Relations/Trade.
Ano: 2000 URL: http://purl.umn.edu/48011
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Economics, Ecology and GMOs: Sustainability, Precaution and Related Issues AgEcon
Tisdell, Clement A..
Ecological, evolutionary and economic issues involved in introducing genetically modified organisms (GMOs), mainly in agriculture, are discussed. The ecological and evolutionary impacts identified hamper (economic) valuation of GMOs and their biosafety regulation and creates difficulties for planning for sustainable development. Assessment of the desirability of releasing GMOs is difficult because of lack of communal agreement about the risks involved, about how much precaution should be exercised given collective risks, and disagreement on the appropriate social criterion to apply. Changes in legal liability are not always economic and cannot eliminate the social conflict generated by GMOs. The economics of developing and marketing GMOs is explored,...
Tipo: Working Paper Palavras-chave: Biodiversity; Biosafety; Genetically modified organisms; GMOs; Intellectual property rights; Market structure; Sustainable development; Agricultural and Food Policy; Crop Production/Industries; Environmental Economics and Policy; Food Consumption/Nutrition/Food Safety.
Ano: 2011 URL: http://purl.umn.edu/122726
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MEDIA COVERAGE OF AGROBIOTECHNOLOGY: DID THE BUTTERFLY HAVE AN EFFECT? AgEcon
Marks, Leonie A.; Kalaitzandonakes, Nicholas G.; Allison, Kevin; Zakharova, Ludmila.
This study examines media coverage of genetically modified (GM) crops in a risk communication framework. Content analysis is employed to investigate how specific environmental, food safety, and landmark events, such as the monarch butterfly and Pusztai controversies, and the cloning of Dolly-the-sheep, were reported by the media. Media coverage is from United Kingdom and United States newspapers over the period 1990 through 2001. On balance, findings show that the UK press has been more negative than the U.S. press in its coverage of GM crops. In addition, environmental and food safety events had a significant impact on the level and cycle of GM crop coverage.
Tipo: Journal Article Palavras-chave: Biosafety; Content analysis; Environment; GM crops; GMOs; Media coverage; Research and Development/Tech Change/Emerging Technologies; Teaching/Communication/Extension/Profession.
Ano: 2003 URL: http://purl.umn.edu/14674
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THE ECONOMICS OF BIOSAFETY: IMPLICATIONS FOR BIOTECHNOLOGY IN DEVELOPING COUNTRIES AgEcon
Maredia, Mywish K..
There is a growing body of literature on the safe use of biotechnology and the need for an international biosafety protocol and national regulations to facilitate the safe development and transfer of biotechnology. Most of these studies, however, address the issue of biosafety from a scientific, legal, environmental and organizational perspective. The purpose of this paper is to add to this discussion by providing an economic perspective on regulating products of agricultural biotechnology, with special emphasis on implications for developing countries who are under increasing pressure to put a biosafety framework in place. The paper provides a brief discussion on the economic rationale for biosafety regulations, explains the economic benefits and costs...
Tipo: Working or Discussion Paper Palavras-chave: Biosafety; Economic aspects; Developing countries; Agriculture; Biotechnology; Research; Research and Development/Tech Change/Emerging Technologies.
Ano: 1998 URL: http://purl.umn.edu/11768
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Comparative analysis of the national biosafety regulatory systems in East Africa AgEcon
Jaffe, Gregory.
This paper analyzes the current and proposed biosafety systems in Kenya, Tanzania, and Uganda using a set of components and characteristics common to functional and protective biosafety regulatory systems. It also assesses how those systems take into account the major international legal obligations that relate to biosafety, such the Cartagena Biosafety Protocol. The paper identifies certain areas in each country’s biosafety regulatory systems where further development and clarification would improve the biosafety system, making it more functional and protective. Those areas include: (1) the addition of procedures to ensure the food safety of genetically engineered organisms; (2) the inclusion of the standard and criteria for making an approval decision;...
Tipo: Report Palavras-chave: Biosafety; Food safety; Genetically modified organisms; Genetic engineering; Regulatory systems; Food Consumption/Nutrition/Food Safety.
Ano: 2006 URL: http://purl.umn.edu/55425
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National Agricultural Biotechnology Research Capacity in Developing Countries AgEcon
Cohen, Joel I.; Komen, John; Zepeda, Jose Falck.
Adequate public research capacity is key to the appropriate development of biotechnology, including genetically modified (GM) crops. While commercial crops can be introduced without intensive local research (i.e. insect resistant GM cotton), introducing products of public research depend on indigenous capacity. This paper defines capacity for agricultural biotechnology research and then provides national funding levels for such work in six developing countries. As one indicator of capacity and outputs, GM crops developed from public research in developing countries are documented, and attention given to issues remaining for capacity, research and development. Knowledge of investments in public biotechnology improves policy decisions, clarifies roles of the...
Tipo: Working or Discussion Paper Palavras-chave: Biotechnology; Research Capacity; GMO; Biosafety; Investments; Funding.; Research and Development/Tech Change/Emerging Technologies; O31; O38; Q16.
Ano: 2004 URL: http://purl.umn.edu/23790
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Safety and Socio-Economic Issues Raised by Modern Biotechnology AgEcon
Xue, Dayuan; Tisdell, Clement A..
Modern new biotechnology has the potential to provide major economic and other benefits, but at the same time it poses potential hazards for human health, the environment, the ‘natural’ biological order and can have adverse socio-economic consequences. The application of such technology frequently violates traditional ethical, moral and religious values. This paper after outlining possible benefits of modern new biotechnologies, discusses the type of biosafety risks which they pose, their possible adverse consequences for the sustainability of biodiversity and agriculture and their potential impacts on socioeconomic welfare and traditional cultures. Particular concern is expressed about the possible consequences of such technologies for developing...
Tipo: Working or Discussion Paper Palavras-chave: Biotechnology; Socio-economic policy; Genetic engineering; Biodiversity; Biosafety; Patents; Environmental Economics and Policy; Research and Development/Tech Change/Emerging Technologies.
Ano: 1999 URL: http://purl.umn.edu/47995
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Introducing a Genetically Modified Banana in Uganda: Social Benefits, Costs, and Consumer Perceptions AgEcon
Kikulwe, Enoch M.; Wesseler, Justus; Falck-Zepeda, Jose Benjamin.
Banana is a staple crop consumed by Ugandan households. The Uganda National Agricultural Research Organization has implemented conventional and biotechnology programs that seek improving bananas and address the crop’s most important pest and disease problems. A major thrust is the development of genetically modified (GM) bananas. The purpose of this paper is to examine potential social welfare impacts of adopting a GM banana in Uganda. The study has three objectives. First, suggest and apply an approach to calculate reversible and irreversible benefits and costs of introducing a GM banana. The study applies a real option approach to estimate, ex ante, the maximum incremental social tolerable irreversible costs (MISTICs) that would justify immediate...
Tipo: Working or Discussion Paper Palavras-chave: GM banana; Real option; Choice experiment; Biosafety; MISTICs; Uganda; Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies.
Ano: 2008 URL: http://purl.umn.edu/42323
Registros recuperados: 35
Primeira ... 12 ... Última
 

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