• The recent developments in gene technology have led to a situation where it is possible to produce genetically modified micro-organisms (GMMs). (europa.eu)
  • Little is known about the survival, persistence and spread of micro-organisms in the environment, and it is therefore difficult to judge the risks associated with the release of micro-organisms into the environment, whether or not genetically modified. (europa.eu)
  • The deliberate release of genetically modified micro-organisms (GMMs) (e.g. biofertilisers and biopesticides) is regulated to ensure that the risk of hazardous consequences is kept to a minimum. (europa.eu)
  • Micro-organisms play a fundamental role in the environment. (oecd.org)
  • and environmental risk/safety assessment of the deliberate release of engineered micro-organisms. (oecd.org)
  • Certain micro-organisms are currently used (or have the potential to be used) in a variety of products and applications such as biofertilisers, plant protection products, biofuel production, bioremediation, cleaners, detergents as well as in the control of disease transmission. (oecd.org)
  • To date, there have been few uses of transgenic micro-organisms in such products and applications, though that might change in the future. (oecd.org)
  • In order that products involving transgenic micro-organisms are used in a responsible way, it is important that regulatory oversight involves a rigorous risk / safety assessment. (oecd.org)
  • This technology has so far primarily been used in crops to increase insect resistance and herbicide tolerance, and in micro-organisms to produce enzymes. (europa.eu)
  • Under the New Substances Notification Regulations (Organisms) [NSNR (Organisms)], importers and manufacturers of living organisms (including micro-organisms and higher-level organisms), or products containing them, may require notification and assessment prior to any intended activities in Canada. (intertek.com)
  • Release of GM micro-organisms is a cause of great concern to many, because the microbes could pass on genes for disease or other harmful traits to others. (innovations-report.com)
  • Micro-organisms acquire antibiotic resistance by DNA mutations, sexual DNA transformation or harboring plasmids. (brightkite.com)
  • Hormones from biosolids applied to fields may be present in rainfall runoff at concentrations that are high enough to impact the health of aquatic organisms if the runoff reaches streams, report scientists from the U.S. Geological Survey (USGS) and Colorado State University in Environmental Science and Technology . (usgs.gov)
  • The occurrence of natural and synthetic hormones in streams is a growing concern because low part-per-trillion concentrations of these chemicals have caused endocrine disruption in aquatic organisms. (usgs.gov)
  • The study results could help wastewater-treatment-plant, water-resource, and wildlife managers design management practices that limit the impacts of biosolids application on streams and aquatic organisms. (usgs.gov)
  • 1991) The influence of water chemistry on trace metal bioavailability and toxicity to aquatic organisms, in Metal Ecotoxicology Concepts and Applications , (eds M.C Newman and A.W. Mcintosh), Lewis, Boca Raton, pp. 1-31. (springer.com)
  • While there is much to be learned about interactions between nanomaterials and aquatic systems, there have been a number of recent reports of interactions of quantum dots (QDs) with aquatic environments and aquatic organisms. (hindawi.com)
  • This review is focused on providing a summary of recent work investigating the impacts of quantum dots on aquatic organisms. (hindawi.com)
  • Previous experiments have suggested that TiO2 does not affect aquatic organisms, but these experiments used artificial lighting that generated much lower levels of UVR than sunlight," Miller explains. (redorbit.com)
  • How many organisms do live in this aquatic habitat? (eurekalert.org)
  • Recently, the eDNA method was developed to identify organisms in various aquatic ecosystems, such as lakes/ponds, rivers, and oceans. (eurekalert.org)
  • The literature is replete with examples of the quantification of metal concentrations in an array of marine organisms collected from numerous locations. (springer.com)
  • Further, there was a complete lack of any bioturbation in the oceans at that time, meaning there were few marine organisms churning up marine sediments while looking for food," he said. (redorbit.com)
  • The Bren School-based authors of a study published Jan. 20 in the journal PLoS ONE have observed toxicity to marine organisms resulting from exposure to a nanoparticle that had not previously been shown to be toxic under similar conditions. (redorbit.com)
  • Although prokaryotic organisms lack the organelles of eukaryotes, they can have membrane systems within their semi-rigid cell walls. (reference.com)
  • In 2016, a set of 355 genes from the last universal common ancestor (LUCA) of all organisms was identified. (wikipedia.org)
  • Dagan T, Martin W (2009) Getting a better picture of microbial evolution en route to a network of genomes. (springer.com)
  • The report from the third workshop, on monitoring methods focused on the methodology used in applying marker and reporter genes to assess the impact of environmental conditions on specific microbes and microbial communities, the presence and abundance of organisms and the metabolic activity of these organisms. (europa.eu)
  • Interstate movement of microbial biocontrol organisms ( " biopesticides " ) registered by Environmental Protection Agency. (usda.gov)
  • Biopesticides that are biological controls, according to APHIS, would be any registered pesticide used to control a plant pest, weed or plant disease for which the active ingredient is a live microbial organism, including the metabolites of that organisms. (usda.gov)
  • The deep biosphere - sometimes termed a "subterranean Galapagos " - is dominated by microbial life, organisms that derive their energy from rocks. (kqed.org)
  • For instance, the Kingdom Protista contains the groups of organisms that are one-celled protozoa, one-celled algae, slime molds and water molds. (answers.com)
  • While viruses sustain no independent metabolism and thus are usually not classified as organisms, they do have their own genes , and they do evolve by mechanisms similar to the evolutionary mechanisms of organisms. (wikipedia.org)
  • This DNA is then transferred into an organism, giving it modified or novel genes. (princeton.edu)
  • In agriculture recently, biotechnology has had an impact on crops and animals that intentionally make copies of a genes for a wanted trait in these organisms. (bartleby.com)
  • An elegant solution to the problems associated with the development of stable vector systems was developed using chromosomally integrated thymidilate synthase genes taken from a food grade micro-organism. (europa.eu)
  • Plus, it's easy to do a screen of their entire set of genes because they have so few of them (relative to higher organisms, at least). (hopkinsmedicine.org)
  • The largest organism in the world may be a fungus carpeting nearly 10 square kilometers of an Oregon forest, and may be as old as 8500 years. (factbites.com)
  • A wide range of organisms was isolated and identified from a number of sites in two abattoirs. (nih.gov)
  • Potential impacts on human and environmental health caused by these organisms should be well-understood before they become widely used. (prezi.com)
  • Because surface waters receive pollutants and contaminants from many sources including nanoparticles and act as reservoirs and conduits for many environmental contaminants, understanding the potential impacts of nanoparticles on the organisms within these environments is critical to evaluating their potential toxicity. (hindawi.com)
  • This information explains multidrug resistant organisms (MDROs), including how they are spread and how MDRO infections are treated. (mskcc.org)
  • A multidrug resistant organism (MDRO) is a germ that is resistant to many antibiotics. (mskcc.org)
  • Flatworms are internal parasites, or organisms that survive by feeding on matter inside another organism's organs. (google.com)
  • The maximum pressure most organisms can survive is about 1000 times atmospheric pressure. (physicsforums.com)
  • Some previous studies evenlooked at how some organisms such as mixotrophs can survive low light and lowfood conditions. (space.com)
  • A multi-disciplinary approach combining biochemistry, spectroscopy and microscopy is used to unveil the beautiful solutions photosynthetic organisms evolved to survive on our dangerous planet. (wur.nl)
  • If beneficial organisms are released into an area with no prey, they will either leave in search of prey or die of starvation. (uky.edu)
  • Information about individual organisms can also be found below. (fossweb.com)
  • Colonial organisms are actually groups of individual organisms with a close, dependent relationship with other organisms in the colony, often with each member having a very specific specialization that makes them incapable of surviving alone. (reference.com)
  • They are most closely related to jellyfish and sea anemones, which are true individual organisms. (reference.com)
  • Following a discussion of the core components of evolutionary theory, we'll examine how evolutionary processes have shaped morphological, anatomical, physiological, and behavioral adaptations in organisms that solve many of life's problems, ranging from how to find or acquire food and avoid being eaten, to how to attract and locate mates, and how to optimize reproduction throughout a lifetime. (amherst.edu)
  • Resistant organisms did not arise before the mid-twentieth century because antimicrobials potent enough to force the evolution of resistance were not known. (encyclopedia.com)
  • Since the late 1980s, pathogens resistant to more than one drug-which are even more difficult to treat than organisms with single- drug resistance -have emerged at an accelerating pace. (encyclopedia.com)
  • What are multi-drug resistant organisms? (nationaljewish.org)
  • What is a multidrug resistant organism? (mskcc.org)
  • A dangerous antibiotic resistant organism is CRE. (brightkite.com)
  • Those who are at greatest risk for this highly resistant organism are those who are on long-term therapy of certain antibiotics and those with indwelling devices such as urinary catheters, IV catheters, and ventilators. (brightkite.com)
  • Giardia lamblia is frequently diagnosed by visualizing the organism , either the trophozoite (active reproducing form) or the cyst (the resting stage that is resistant to adverse environmental conditions) in stained preparations or unstained wet mounts with the aid of a microscope. (factbites.com)
  • Some of the most complex examples of colonial organisms are siphonophores, such as the Portuguese man o' war. (reference.com)
  • FOSS selected organisms that were non-exotic, commonly available from local and regional suppliers, and, in some cases, found in the natural environments in many regions of the country. (fossweb.com)
  • They're very goodat coping in extreme environments, and enabling other organisms tolive. (space.com)
  • Back then, the ocean was replete with dissolved organic carbon, which came from decaying algae and other primitive organisms that filled the oceans. (scientificamerican.com)
  • Safe GM organisms would be of great benefit in applications where large amounts of microbes are needed, such as degrading pollutants on contaminated land, or for the development of live vaccines to prevent disease. (innovations-report.com)
  • The treatment of choice for HACEK organisms in endocarditis is the third generation cephalosporin and β-Lactam antibiotic ceftriaxone. (wikipedia.org)
  • The organism is alpha hemolytic and bile soluble and is inhibited by ethylhydrocupreine (optochin), an antibiotic. (factbites.com)
  • The phototrophs may have used too much energytrying to do photosynthesis in the weak light, or perhaps the hungry mixotrophssimply fed on their fellow organisms. (space.com)
  • However, ddPCR is currently more expensive and time consuming compared to qPCR and in natural habitats, eDNA estimation for organism abundance is more complex. (eurekalert.org)
  • If organisms evolve resistance to drugs faster than new drugs can be discovered, doctors' choices for treating infections by those organisms dwindle. (encyclopedia.com)
  • Varieties of products and applications may be subject to the NSNR (Organisms), including organisms used for the production of enzymes and proteins for drug development, novel foods, or any other industrial applications. (intertek.com)
  • And that is why the Ediacarans, which could grow to up to one meter in length and are considered Earth's first complex organisms , have been such an enigma to paleontologists. (scientificamerican.com)
  • How Do Scientists Classify Organisms? (reference.com)
  • Adinosaur-killing asteroid may have wiped out much of life on Earth 65 millionyears ago, but now scientists have discovered how smaller organisms might havesurvived in the darkness following such a catastrophic impact. (space.com)
  • Scientists at the University of California, Riverside have discovered a fossil of a newly discovered organism from the "Ediacara Biota" - a group of organisms that occurred in the Ediacaran period of geologic time. (redorbit.com)
  • Today a group of international scientists from the Deep Carbon Observatory reports at the American Geophysical Union's annual meeting on nearly 10 years of discovering such organisms. (kqed.org)