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Registros recuperados: 796
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Hongos comestibles silvestres en una Zona Otomí y dinámica de colonización ectomicorrízica entre Pinus pseudostrobus y Hebeloma mesophaeum. Colegio de Postgraduados
Heredia Acuña, Cristina.
Dentro de los ecosistemas forestales existe una amplia diversidad de microorganismos que participan en el establecimiento del equilibrio del sistema, dentro de los cuales se encuentran de manera relevante, los hongos ectomicorrízicos. Los hongos ectomicorrízicos forman asociaciones simbióticas con especies forestales, en esta simbiosis existe un intercambio de nutrimentos esenciales para la vida de ambos organismos. Desde el punto de vista antropocéntrico existen hongos ectomicorrízicos que han sido utilizados desde épocas prehispánicas como alimento o medicina, en la actualidad existe un gran interés por validar y ampliar dichos conocimientos desde una perspectiva científica. Diversas especies han sido estudiadas con la finalidad de evaluar su potencial...
Palavras-chave: Etnomicología; Biotecnología; Ectomicorríza; Hebeloma mesophaeum; Pinus ayacahuite; Pinos mexicanos; Ethnomycology; Biotechnology; Ectomycorrhiza; Mexican pines; Maestría; Edafología.
Ano: 2011 URL: http://hdl.handle.net/10521/495
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Hongos comestibles silvestres en una Zona Otomí y dinámica de colonización ectomicorrízica entre Pinus pseudostrobus y Hebeloma mesophaeum. Colegio de Postgraduados
Heredia Acuña, Cristina.
Dentro de los ecosistemas forestales existe una amplia diversidad de microorganismos que participan en el establecimiento del equilibrio del sistema, dentro de los cuales se encuentran de manera relevante, los hongos ectomicorrízicos. Los hongos ectomicorrízicos forman asociaciones simbióticas con especies forestales, en esta simbiosis existe un intercambio de nutrimentos esenciales para la vida de ambos organismos. Desde el punto de vista antropocéntrico existen hongos ectomicorrízicos que han sido utilizados desde épocas prehispánicas como alimento o medicina, en la actualidad existe un gran interés por validar y ampliar dichos conocimientos desde una perspectiva científica. Diversas especies han sido estudiadas con la finalidad de evaluar su potencial...
Palavras-chave: Etnomicología; Biotecnología; Ectomicorríza; Hebeloma mesophaeum; Pinus ayacahuite; Pinos mexicanos; Ethnomycology; Biotechnology; Ectomycorrhiza; Mexican pines; Maestría; Edafología.
Ano: 2011 URL: http://hdl.handle.net/10521/495
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Genetically Modified Crops and the Agroecosystem: Comments on "Genetically Modified Crops: Risks and Promise" by Gordon Conway Ecology and Society
Pimentel, David; Cornell University; dp18@cornell.edu.
Tipo: Peer-Reviewed Reports Palavras-chave: Bacillus thuringiensis (B.t.); GM crops; Agriculture; Biotechnology; Economics; Ecosystems; Genetic engineering; Herbicides.
Ano: 2000
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The Risks and Benefits of Genetically Modified Crops: A Multidisciplinary Perspective Ecology and Society
Peterson, Garry D; McGill University; garry.peterson@mcgill.ca; Cunningham, Saul; CSIRO Entomology; saul.cunningham@ento.csiro.au; Deutsch, Lisa; Department of Systems Ecology, Stockholm University; lisad@system.ecology.su.se; Erickson, Jon; Rensselaer Polytechnic Institute; erickj@rpi.edu; Quinlan, Allyson; Conservation Ecology; aquinlan@resalliance.org; Tinch, Robert; School of Environmental Sciences, University of East Anglia; R.Tinch@uea.ac.uk; Troell, Max; Beijer Institute, Royal Swedish Academy of Sciences; max@system.ecology.su.se; Woodbury, Peter; Boyce Thompson Institute for Plant Research; pbw1@cornell.edu; Zens, Scot; Department of Biology, Dartmouth College; zens@dartmouth.edu.
The benefits and risks of any particular GM crop depend on the interactions of its ecological functions and natural history with the agroecosystem and ecosystems within which it is embedded. These evolutionary and ecological factors must be considered when assessing GM crops. We argue that the assessment of GM crops should be broadened to include alternative agricultural practices, ecosystem management, and agricultural policy. Such an assessment would be facilitated by a clearer understanding of the indirect costs of agriculture and the ecological services that support it. The benefits of GM crops should be compared to those of other means of agricultural intensification such as organic farming, integrated pest management, and agricultural policy reform....
Tipo: Peer-Reviewed Reports Palavras-chave: Agriculture; Biotechnology; Genetically modified crops (GM); Interdisciplinary; Public dialogue; Regulation; Risk assessment.
Ano: 2000
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Island Communities and Biotechnology Electron. J. Biotechnol.
DaSilva,Edgar J.; Taylor,Mary.
In the run-up to the year 2000 and beyond, several island countries, especially in the Caribbean and Pacific regions, are confronted by the challenges and threats of globalization. In response, several island countries are initiating self-reliant strategies aimed at national and regional endogenous development. Amongst these strategies, the potential of biotechnology for economic development and technological growth is being tapped.
Tipo: Journal article Palavras-chave: Biotechnology; Pacific islands; Caribbean region; MIRCENS.
Ano: 1998 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34581998000100001
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Riverina high school students’ views of biotechnology Electron. J. Biotechnol.
Cavanagh,Heather; Hood,Jennie; Wilkinson,Jenny.
A survey investigating the knowledge and perception of biotechnology by high school students living in the rural Riverina region of New South Wales, Australia, was undertaken. Data relating to the student’ preferred and trusted information sources was also gathered. This study has demonstrated that at least two-thirds of students had a good knowledge of medical biotechnology issues, however, a significant proportion of the students did have concerns about the use and/or safety of biotechnology. Nearly 90% of the respondents would like further information on biotechnology. In agreement with other surveys, the students reported an apparent lack of trust in articles from the lay press (newspapers, television, radio) and yet still report that these media as...
Tipo: Journal article Palavras-chave: Biotechnology; Education; Science; Secondary school.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582005000200001
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Strategic approaches to informing the public about biotechnology in Latin America Electron. J. Biotechnol.
Traynor,Patricia L; Adonis,Marta; Gil,Lionel.
Abstract <a href="http://fbpe/img/ejb/v10n2/a01/reprint.html">Reprint (PDF)</a> The benefits of today's biotechnology products are not evident to consumers. The public will accept biotechnology only when individuals decide for themselves that biotec products will contribute to their personal well-being. To make such a decision, people will need greater awareness and understanding of how biotechnology will affect the environment, human health, local and national economies, and the well-being of society. A low level of awareness and understanding about biotechnology is characteristic of Latin America and the Caribbean countries, as elsewhere, efforts to remedy poor public perception often seem inadequate and do not reflect a well-designed...
Tipo: Journal article Palavras-chave: Biotechnology; GMOs; Public perception.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000200001
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Biosafety education relevant to genetically engineered crops for academic and non-academic stakeholders in East Africa Electron. J. Biotechnol.
Sengooba,Theresa; Grumet,Rebecca; Hancock,James; Zawedde,Barbara; Kitandu,Lazaro; Weebadde,Cholani; Karembu,Margaret; Kenya,Eucharia; Meredia,Karim; Nampala,Paul; Ochanda,James O; Quemada,Hector; Rubindamayugi,Mugassa.
Development and deployment of genetically engineered crops requires effective environmental and food safety assessment capacity. In-country expertise is needed to make locally appropriate decisions. In April 2007, biosafety and biotechnology scientists, regulators, educators, and communicators from Kenya, Tanzania, and Uganda, met to examine the status and needs of biosafety training and educational programs in East Africa. Workshop participants emphasized the importance of developing biosafety capacity within their countries and regionally. Key recommendations included identification of key biosafety curricular components for university students; collaboration among institutions and countries; development of informational materials for non-academic...
Tipo: Journal article Palavras-chave: Biotechnology; Environmental safety; Kenya; Tanzania; Uganda.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582009000100001
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Genetic engineering applications in animal breeding Electron. J. Biotechnol.
Montaldo,Hugo H..
This paper discusses the use of genetic engineering applications in animal breeding, including a description of the methods, their potential and current uses and ethical issues. Genetic engineering is the name of a group of techniques used to identify, replicate, modify and transfer the genetic material of cells, tissues or complete organisms. Important applications of genetic engineering in animal breeding are: 1) Marker-assisted selection (MAS). The objective of this technology is to increase disease resistance, productivity and product quality in economically important animals by adding information of DNA markers to phenotypes and genealogies for selection decisions. 2) Transgenesis, the direct transfer of specific genes/alleles between individuals,...
Tipo: Journal article Palavras-chave: Adult mammalian cloning; Biotechnology; Gene mapping; GMOS; MAS; QTL; Transgenics.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000200010
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Knowledge about and acceptance of genetically modified organisms among pre-service teachers: a comparative study of Turkey and Slovenia Electron. J. Biotechnol.
Sorgo,Andrej; Ambrozic-Dolinsek,Jana; Usak,Muhammet; Özel,Murat.
Genetically modified organisms cannot be regarded as merely a topic for academic debate, since these have serious implications as a research field and for production based on genetic engineering. Public debates rarely base their arguments on elements rooted in scientific arguments and knowledge but are heavily loaded with emotions, opinions and informal reasoning. This study aimed to investigate the knowledge and acceptance of genetically modified organisms among prospective teachers in Slovenia and Turkey. Knowledge of genetic modification was measured with a two-tier instrument. The level of acceptance of genetic modification was measured with a 17-item instrument. Findings revealed that knowledge of genetics and biotechnology barely influenced the...
Tipo: Journal article Palavras-chave: Biotechnology; Genetic engineering; Genetic modifications; Teaching.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000400005
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Expression of bacterial genes in transgenic tobacco: methods, applications and future prospects Electron. J. Biotechnol.
Jube,Sandro; Borthakur,Dulal.
Tobacco is the most commonly used plant for expression of transgenes from a variety of organisms, because it is easily grown and transformed, it provides abundant amounts of fresh tissue and has a well-established cell culture system. Many bacterial proteins involved in the synthesis of commercial products are currently engineered for production in tobacco. Bacterial enzymes synthesized in tobacco can enhance protection against abiotic stresses and diseases, and provide a system to test applied strategies such as phytoremediation. Examples of bacterial gene expression in tobacco include production of antigen proteins from several human bacterial pathogens as vaccines, bacterial proteins for enhancing resistance against insects, pathogens and herbicides,...
Tipo: Journal article Palavras-chave: Biotechnology; Environmental stress; Insect/pathogen/herbicide resistance; Phytoremediation; Transgenics; Vaccine production.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000300013
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The relationship among knowledge of, attitudes toward and acceptance of genetically modified organisms (GMOs) among Slovenian teachers Electron. J. Biotechnol.
Sorgo,Andrej; Ambrozis-Dolinsek,Jana.
The objective of this study was to investigate knowledge about, opinions on and attitudes toward and finally readiness to accept genetically modified organisms (GMO) among Slovenian teachers. On average, they have higher levels of knowledge in classical genetics, and poor levels of knowledge about modern issues in biotechnology, and their attitudes toward GMOs are not extreme. They make decisions based on the acceptability of a particular GMO and not on GMOs in general, following two patterns: genetic modifications (GM) microorganisms and plants are more acceptable than animals, and GMOs are more acceptable if they can not be used directly for consumption and produce something recognized as useful. The relationship among knowledge of, attitudes towards and...
Tipo: Journal article Palavras-chave: Acceptance; Attitudes; Biotechnology; Education; Genetically modified organisms; Knowledge.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582009000400001
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Accommodating the difference in students' prior knowledge of cell growth kinetics Electron. J. Biotechnol.
Seters,Janneke van; Ossevoort,Miriam; Goedhart,Martin; Tramper,Johannes.
This paper describes the development and benefits of an adaptive digital module on cell growth to tackle the problem of educating a heterogeneous group of students at the beginning of an undergraduate course on process engineering. Aim of the digital module is to provide students with the minimal level of knowledge on cell growth kinetics they need to comprehend the content knowledge of the subsequent lectures and pass the exam. The module was organised to offer the subject matter in a differentiated manner, so that students could follow different learning paths. Two student groups were investigated, one consisting of students who had received their prior education abroad and one of students that had not. Exam scores, questionnaires, and logged user data...
Tipo: Journal article Palavras-chave: Adaptive digital learning material; Bioreactor design; Biotechnology; Education; Intelligent tutoring system; Intelligent Web-based educational system.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000200001
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Genetic improvement of horticultural crops mediated by CRISPR/Cas: a new horizon of possibilities Horticultura Brasileira
Koltun,Alessandra; Erpen-Dalla Corte,Lígia; Mertz-Henning,Liliane Marcia; Gonçalves,Leandro SA.
ABSTRACT The burden of the current global challenge involving food security lies in the need to improve crop production. In this regard, biotechnology stands out as an essential tool to generate plants able to cope with pests, diseases, and harsh climatic conditions, and more efficient in the use of natural resources. An advanced approach to create genetic variability in a precise and targeted way, the genome-editing technique CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR associated proteins), has drawn the attention of breeders. The genome editing CRISPR/Cas system relies on a guiding RNA that directs a nuclease to generate a double-strand break (DSB) at a target DNA, activating the cell repair systems and eventually leading...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Genome editing; Plant breeding; Biotechnology; Induced mutations; Non-transgenic.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000300290
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CENARGEN, función e importancia. Infoteca-e
VALOIS, A. C. C..
Tipo: Artigo de periódico Palavras-chave: CENARGEN; Biotecnologia; Instituição de Pesquisa; Recurso Genético; Biotechnology; Genetic resources; Research institutions.
Ano: 1996 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/171558
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Variabilidade genetica de plantas de Stylosanthes guianensis var. vulgaris com base em marcadores RAPD. Infoteca-e
FALEIRO, F. G.; BARCELLOS, A. de O.; ANDRADE, R. P.; KARIA, C. T.; RAMOS, A. K. B.; COELHO, M. H.; PINTO, J. F. N..
bitstream/CPAC-2009/24948/1/p2004_02.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: RAPD; Feed legumes.; Leguminosa Forrageira; Marcador Molecular; Melhoramento Genético Vegetal; Variação Genética.; Genetic variation; Genetic markers; Biotechnology; Plant breeding..
Ano: 2004 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/567821
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Fingerprinting analysis of mango (Mangifera indica L.) cultivars introduced or developed in Brazil using RAPD markers. Infoteca-e
FALEIRO, F. G.; CORDEIRO, M. C. R.; PINTO, A. C. Q.; ROSSETTO, C. J.; BELLON, G.; ANDRSDE, S. R. M.; FRAGA, L. M. S.; SOUZA, T. L. P. O..
bitstream/CPAC-2009/24955/1/p2004_08.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: RAPD; Melhoramento genetico; Brasil; Mango.; Biotecnologia; Marcador Genético; Marcador Molecular.; Manga; Mangifera Indica; Brazil; Biotechnology; Genetic markers; Plant breeding..
Ano: 2004 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/566520
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Diversidade genética de variedades comerciais de maracujazeiro-azedo com base em marcadores moleculares. Infoteca-e
FALEIRO, F. G.; JUNQUEIRA, N. T. V.; BRAGA, M. F.; BELLON, G.; PEIXOTO, J. R..
bitstream/CPAC-2009/27708/1/p2006_41.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Biotecnologia; Maracujá; Marcador Molecular; Marcador Genético; Passiflora Edulis; Variação Genética.; Genetic markers; Biotechnology; Genetic variation; Passion fruits..
Ano: 2006 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/544592
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Estudo bibliométrico e análise de patentes acerca da produção de ácidos carboxílicos e álcoois a partir de açúcares: parte 2: álcoois. Infoteca-e
BRAGA, M.; FERREIRA, P. M.; OLIVEIRA, C. R. de; ALMEIDA, J. R. M. de.
Este trabalho, juntamente com o Documentos 36 (Estudo bibliométrico e análise de patentes acerca da produção de ácidos carboxílicos e álcoois a partir de açúcares - Parte 1: Ácidos carboxílicos) formam o mais completo estudo sobre a utilização da biomassa para a produção de bioquímicos renováveis realizado pela Embrapa Agroenergia. Nesta segunda parte, o tema explorado é a produção de álcoois a partir de fontes renováveis de matéria-prima. Semelhante ao que foi realizado na parte 1, são analisados dados e informações recuperadas em fontes secundárias, especialmente publicações científicas e patentárias, com o objetivo de traçar um panorama da pesquisa científica e aplicada acerca da obtenção de álcoois derivados da biomassa, bem como determinar o cenário...
Tipo: Documentos (INFOTECA-E) Palavras-chave: Biotecnologia; Biomassa; Mercado; Biotechnology; Biomass; Carboxylic acids; Alcohols; Market analysis.
Ano: 2021 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1131537
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Aplicação de descritores morfoagronômicos utilizados em ensaios de DHE de cultivares de maracujazeiro-doce, ornamental, medicinal, incluindo espécies silvestres e híbridos interespecíficos (Passiflora spp.): manual prático. Infoteca-e
JESUS, O. N. de; OLIVEIRA, E. J. de; SOARES, T. L.; FALEIRO, F. G..
bitstream/item/146347/1/jesus-02.pdf
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Maracujá-doce; Passiflora spp; Cultivar; Melhoramento genético; Passion fruit.; Biotecnologia.; Genetic improvement; Biotechnology; Varieties..
Ano: 2015 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1048464
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