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Träfflista för sökning "AMNE:(AGRICULTURAL SCIENCES) AMNE:(Agricultural Biotechnology) "

Sökning: AMNE:(AGRICULTURAL SCIENCES) AMNE:(Agricultural Biotechnology)

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1.
  • Munthe, Christian, 1962 (författare)
  • Precaution and Ethics: Handling risks, uncertainties and knowledge gaps in the regulation of new biotechnologies
  • 2017
  • Bok (övrigt vetenskapligt/konstnärligt)abstract
    • This volume outlines and analyses ethical issues actualized by applying a precautionary approach to the regulation of new biotechnologies. It presents a novel way of categorizing and comparing biotechnologies from a precautionary standpoint. Based on this, it addresses underlying philosophical problems regarding the ethical assessment of decision-making under uncertainty and ignorance, and discusses how risks and possible benefits of such technologies should be balanced from an ethical standpoint. It argues on conceptual and ethical grounds for a technology neutral regulation as well as for a regulation that not only checks new technologies but also requires old, inferior ones to be phased out. It demonstrates how difficult ethical issues regarding the extent and ambition of precautionary policies need to be handled by such a regulation, and presents an overarching framework for doing so.
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2.
  • Sanli, Kemal, et al. (författare)
  • Metagenomic Sequencing of Marine Periphyton: Taxonomic and Functional Insights into Biofilm Communities
  • 2015
  • Ingår i: Frontiers in Microbiology. - : Frontiers Media SA. - 1664-302X. ; 6:1192
  • Tidskriftsartikel (refereegranskat)abstract
    • Periphyton communities are complex phototrophic, multispecies biofilms that develop on surfaces in aquatic environments. These communities harbor a large diversity of organisms comprising viruses, bacteria, algae, fungi, protozoans and metazoans. However, thus far the total biodiversity of periphyton has not been described. In this study, we use metagenomics to characterize periphyton communities from the marine environment of the Swedish west coast. Although we found approximately ten times more eukaryotic rRNA marker gene sequences compared to prokaryotic, the whole metagenome-based similarity searches showed that bacteria constitute the most abundant phyla in these biofilms. We show that marine periphyton encompass a range of heterotrophic and phototrophic organisms. Heterotrophic bacteria, including the majority of proteobacterial clades and Bacteroidetes, and eukaryotic macro-invertebrates were found to dominate periphyton. The phototrophic groups comprise Cyanobacteria and the alpha-proteobacterial genus Roseobacter, followed by different micro- and macro-algae. We also assess the metabolic pathways that predispose these communities to an attached lifestyle. Functional indicators of the biofilm form of life in periphyton involve genes coding for enzymes that catalyze the production and degradation of extracellular polymeric substances, mainly in the form of complex sugars such as starch and glycogen-like meshes together with chitin. Genes for 278 different transporter proteins were detected in the metagenome, constituting the most abundant protein complexes. Finally, genes encoding enzymes that participate in anaerobic pathways, such as denitrification and methanogenesis, were detected suggesting the presence of anaerobic or low-oxygen micro-zones within the biofilms.
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3.
  • Sandin, Per, et al. (författare)
  • Technology neutrality and regulation of agricultural biotechnology
  • 2018
  • Ingår i: Professionals in food chains: ethics, rules and responsibility. EurSafe 2018, Vienna, Austria 13 – 16 June 2018 / edited by: Svenja Springer, Herwig Grimm. - Wageningen, Netherlands : Wageningen Academic Publishers. - 9789086863211
  • Konferensbidrag (refereegranskat)abstract
    • Agricultural biotechnology, in particular genetically modified organisms (GMOs), is subject to regulation in many areas of the world, not least in the European Union (EU). A number of authors have argued that those regulatory processes are unfair, costly, and slow and that regulation therefore should move in the direction of increased ‘technology neutrality’. The issue is becoming more pressing, especially since new biotechnologies such as CRISPR increasingly blur the regulatory distinction between GMOs and non-GMOs. This paper offers a definition of technology neutrality, uses the EU GMO regulation as a starting point for exploring technology neutrality, and presents distinctions between variants of the call for technology neutral GMO regulation in the EU.
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9.
  • Sattar, Muhammad Naeem, et al. (författare)
  • Cotton leaf curl disease - an emerging threat to cotton production worldwide
  • 2013
  • Ingår i: Journal of General Virology. - : Microbiology Society. - 0022-1317 .- 1465-2099. ; 94, s. 695-710
  • Forskningsöversikt (refereegranskat)abstract
    • Cotton leaf curl disease (CLCuD) is a serious disease of cotton which has characteristic symptoms, the most unusual of which is the formation of leaf-like enations on the undersides of leaves. The disease is caused by whitefly-transmitted geminiviruses (family Geminiviridae, genus Begomovirus) in association with specific, symptom-modulating satellites (betasatellites) and an evolutionarily distinct group of satellite-like molecules known as alphasatellites. CLCuD occurs across Africa as well as in Pakistan and north-western India. Over the past 25 years, Pakistan and India have experienced two epidemics of the disease, the most recent of which involved a virus and satellite that are resistance breaking. Loss of this conventional host-plant resistance, which saved the cotton growers from ruin in the late 1990s, leaves farmers with only relatively poor host plant tolerance to counter the extensive losses the disease causes. There has always been the fear that CLCuD could spread from the relatively limited geographical range it encompasses at present to other cotton-growing areas of the world where, although the disease is not present, the environmental conditions are suitable for its establishment and the whitefly vector occurs. Unfortunately recent events have shown this fear to be well founded, with CLCuD making its first appearance in China. Here, we outline recent advances made in understanding the molecular biology of the components of the disease complex, their interactions with host plants, as well as efforts being made to control CLCuD.
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10.
  • Kwiecinski, Jakub, 1985 (författare)
  • Genetically modified abominations? Widespread opposition to GMOs might have deep-seated cultural causes.
  • 2009
  • Ingår i: EMBO reports. - : EMBO. - 1469-3178 .- 1469-221X. ; 10:11, s. 1187-90
  • Tidskriftsartikel (refereegranskat)abstract
    • Opposition to genetically modified organisms (GMOs) is a widespread phenomenon, yet its basis is still not entirely clear. While it is usually attributed to irrational fears and political issues, it might have a deep-seated cultural causes. Exploration of the “anti – GMO” discourse reveals multiple similarities between the way genetic modifications are described by their opponents and the way impurity is depicted in ethnological theory of taboo. Those include “dirtiness”, “infectivity” and “trespassing boundaries”. Cultural identification of GMO with “impurity” and “taboo” partly explains the people’s hostility – and is an example of how new scientific achievements are assimilated by traditional cultural schemes.
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