genetic modification

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genetic modification

The act of altering the DNA of an organism. Genetic modification of fruits and vegetables is a controversial practice.
References in periodicals archive ?
In addition, during the past 60 years, modern wheat has undergone various genetic modifications (hybridization), in order to improve crop yield.
To help inform shoppers and enforce regulations, scientists are reporting in the journal Analytical Chemistry the first comprehensive method to detect genetic modifications in one convenient, accurate test.
As the modified genome is randomly incorporated into the cells that will give rise to eggs and sperm, genetic modifications have the possibility to be passed on to future generations.
The World According to Monsanto: Pollution, Corruption, and the Control of Our Food Supply" looks at Monsanto, a company promoting itself as a life science company and claiming strict and litigious ownership over genetic modifications of much of America's food supply in the form of corn and soy.
FoodSmart: Understanding Nutrition in the 21st Century" is a guide to understanding food in the modern day, which can be ever more confusing with terms such as organics, genetic modifications, aspartame, Splenda, and all of these other confusing terms constantly tossed about.
His new novel, Next, deals with the challenging issues of genetic modifications of people.
Previous studies have identified genetic modifications that can increase the worms' life span.
Genetic modifications for reduced lignin level nevertheless resulted in reduced fitness including increased winter mortality and decreased biomass.
Researchers Jeremy Foltz and Tirtha Dhar wanted to measure the increase in value on milk products free of artificial growth hormones, pesticide residues or genetic modifications.
In this issue, Mark Frankel refers to such interventions as "inheritable genetic modifications," and Nancy King refers to them as "germline gene transfer" (since it is by making changes to germ cells that gene transfer becomes inheritable).
A simple test for the detection of specific genetic modifications in a variety at crop and grain types is the latest addition to the SDI Europe range of food and agricultural test systems.
The report goes on to say that the tiny genetic modifications not only make the pathogen more virulent but might also render existing vaccines useless.
Bakery manufacturers and suppliers say they welcome these genetic modifications because they benefit the environment as well as consumers.
Examples of research topics that could be addressed under this program announcement are 1) strategies for culturing pluripotent rat ESCs to allow genetic manipulation and to create rats with germ-line transmission of genetic modifications, 2) development of alternative technologies to create null mutations or gene replacement in the rat, 3) development of cost-effective nuclear transfer procedures in the rat, 4) studies that demonstrate mutation transfer to rat stem cells or other cells for transfer into embryos or germ cells, and 5) methods for targeting engineered introns into rat chromosomal DNA to support the study of gene function.
Good seed from such an operation," says Breech, "has many of the qualities that [seed companies] are currently making genetic modifications to produce: insect, disease, and drought resistance, as well as food quality.