By National Research Council, Division on Earth and Life Studies, Board on Life Sciences, Board on Agriculture and Natural Resources, Institute of Medicine, Food and Nutrition Board, Committee on Identifying and Assessing Unintended Effects of Genetically En
Assists policymakers in comparing the precise clinical tools for detecting accidental alterations in nutrients and assessing the possibility of hostile future health results from genetically changed items. during this e-book, the committee steered that larger scrutiny will be given to meals containing new compounds or strange quantities of clearly taking place ingredients, whatever the technique used to create them. The e-book bargains a framework to lead federal organizations in picking out the direction of defense evaluation. It identifies and recommends a number of pre- and post-market techniques to lead the evaluation of unintentional compositional adjustments that can consequence from genetically converted meals and study avenues to fill the data gaps.
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Extra resources for Safety of Genetically Engineered Foods: Approaches to Assessing Unintended Health Effects
Without integration, however, new genetic material may be lost during meiosis, so that seed progeny may not carry or express the new trait. Many food plants are perennials or are propagated by vegetative means, such as grafting or from cuttings. In these cases the virus and new genes would be maintained in subsequent, nonsexually generated populations. Technically such plants are not products of rDNA because there is no recombination or insertion of introduced DNA into the host genome. Although these plants are not GE, they do carry new DNA and new traits.
There are no records of the molecular characterizations of these mutant crops and, in most cases, no records to retrace their subsequent use. , 1989). This process involves isolating a population of cells from a so-called “elite plant” with superior agricultural characteristics. The cells are then excised and grown in culture. Initially the population is genetically homogeneous, but changes can occur spontaneously (as in somaclonal variation) or be induced using mutagenic agents. Cells with a desired phenotypic variation may be selected and regenerated into a whole plant.
In time, easily identifiable markers that accompany multiple genes controlling more complex traits, such as meat tenderness and taste, growth, offspring size, and disease resistance, will become available to improve animal health and production traits (Dekkers and Hospital, 2002). Two notable examples can be found in sheep. , 2002). Another is introgression of the Booroola gene into the Awassi and the Assaf dairy breeds (Gootwine, 2001). Sequencing genomes of animals that are important to agriculture will identify genes that influence reproductive efficiency.
Safety of Genetically Engineered Foods: Approaches to Assessing Unintended Health Effects by National Research Council, Division on Earth and Life Studies, Board on Life Sciences, Board on Agriculture and Natural Resources, Institute of Medicine, Food and Nutrition Board, Committee on Identifying and Assessing Unintended Effects of Genetically En