منابع مشابه
Detecting gene flow from GM crops
The likelihood of transgene movement into wild relatives of cultivated crops varies vary dramatically with geography. From the perspective of the UK, crops such as maize lack any close relatives and so effectively cannot act as a source for transgene recruitment into wild plant species. At the other extreme, forage grasses such as Lolium perenne are wind pollinated and have abundant wild popula...
متن کاملGM Gene Flow (B) Horizontal gene transfer of viral inserts from GM plants to viruses
Introduction The use of GM plants containing viral inserts (as transgenes or promoters) raises the possibility that these inserts may lead to the creation of new viruses through recombination (HGT). Viruses commonly evolve by recombination and have been shown to recombine with transgenes which are derived from viruses in numerous laboratory-scale experiments (e.g. Greene and Allison 1994, 1996)...
متن کاملIssues Related to Release of GM Wheat: Gene Flow and Selection
Release of genetically modified (GM) wheat will require segregation of GM and non-GM wheat to satisfy international markets. Before GM wheat is released, it will be important to understand the fate of a GM trait within the agronomic production system. The objective of this study was to evaluate the effect of gene flow and selection pressure on the frequency of GM traits in non-GM wheat and whea...
متن کاملMathematical Models for Gene Flow from GM Crops in the Environment
Risk assessment of gene flow from GM crops into the environment requires both the development of physical transport models and biological models for the assessment of outcrossing probabilities. Our starting point is a Lagrangian approach for pollen dispersal, which describes the concentration statistics in terms of the stochastic properties of the paths of ensembles of particles. Transport of a...
متن کاملThe limited value of measuring gene flow via errant pollen from GM plants.
Since the advent over 30 years ago of recombinant DNA technologies giving rise to genetically engineered organisms (often called GMOs), gene escape from such transgenic organisms has been a consistent and legitimate concern. Initially, the fear of GM microbes escaping and wreaking ecological havoc on the biosphere generated both well funded scientific analyses of the actual threat, and fueled s...
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ژورنال
عنوان ژورنال: Nature Biotechnology
سال: 1999
ISSN: 1087-0156,1546-1696
DOI: 10.1038/12786