Category Archives: Genetic Engineering

The Application of Genetic Engineering in Daily Life
What is genetic engineering? Genetic engineering is the method to change the genetic structure of an organism to obtain its desired traits in the form of sim...

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The Application of Genetic Engineering in Daily Life - Video

NEW YORK (TheStreet) -- In what could be a big win for opponents of genetically modified organisms, Vermont is one step closer to signing into law legislation that would require food companies to label products that contain GMOs in the Green Mountain State.

On Wednesday, the Vermont State Senate passed "An Act Relating to the Labeling of Food Produced with Genetic Engineering," H. 112, by a vote of 28-2. The state legislation, introduced in January 2013, proposes to provide that "food is misbranded if it is entirely or partially produced with genetic engineering and it is not labeled as genetically engineered." Sen. David Zuckerman is the bill's lead sponsor, according to the Brattleboro Reformer.

The bill will now go back to the House to approve the Senate's amendments and then to Gov. Peter Shumlin to sign into law. The act is supposed to become effective on July 1, 2016, according to Reuters.

Genetically modified organisms, or GMOs, are plants or animals that have been genetically engineered with DNA from bacteria, viruses or other plants and animals that cannot occur in natural crossbreeding, according to the Non-GMO Project, a non-profit organization dedication to the education of GMOs and helping consumers find alternatives and considered the main organization used by many companies to verify their non-GMO foods.

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GMO Labeling Bill Passes Vermont Senate

PUBLIC RELEASE DATE:

16-Apr-2014

Contact: Tom Abate tabate@stanford.edu 650-736-2245 Stanford University Medical Center

STANFORD, Calif. Consider the marvel of the embryo. It begins as a glob of identical cells that change shape and function as they multiply to become the cells of our lungs, muscles, nerves and all the other specialized tissues of the body.

Now, in a feat of reverse tissue engineering, Stanford University researchers have begun to unravel the complex genetic coding that allows embryonic cells to proliferate and transform into all of the specialized cells that perform myriad biological tasks.

A team of interdisciplinary researchers took lung cells from the embryos of mice, choosing samples at different points in the development cycle. Using the new technique of single-cell genomic analysis, they recorded what genes were active in each cell at each point. Though they studied lung cells, their technique is applicable to any type of cell.

"This lays out a playbook for how to do reverse tissue engineering," said Stephen Quake, PhD, the Lee Otterson Professor in the School of Engineering and a Howard Hughes Medical Institute investigator.

The researchers' findings are described in a paper published online April 13 in Nature. Quake, who also is a professor of bioengineering and of applied physics, is the senior author. The lead authors are postdoctoral scholars Barbara Treutlein, PhD, and Doug Brownfield, PhD.

The researchers used the reverse-engineering technique to study the cells in the alveoli, the small, balloon-like structures at the tips of the airways in the lungs. The alveoli serve as docking stations where blood vessels receive oxygen and deliver carbon dioxide.

Treutlein and Brownfield isolated 198 lung cells from mouse embryos at three stages of gestation: 14.5 days, 16.5 days and 18.5 days (mice are usually born at 20 days). They also took some lung cells from adult mice.

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Stanford scientists develop 'playbook' for reverse engineering tissue

The Vermont Senate voted to pass a new law requiring labeling for foods that contain ingredients produced with genetic engineering or genetically modified ingredients (GMOs). If enacted, the law would be the first in the nation to require GMO labeling without any contingencies or similar legislation by adjoining states. The proposed effective date is July 1, 2016.

Although the Vermont House previously passed the bill, it will be returned for representatives to approve changes made by the Senate. Once approved, the bill will reach the governors office for signature into law.

It is estimated that 80% of all food sold in the United States is at least partially produced from genetic engineering. The bill would require labeling on all such food sold at retail in Vermont, regardless of whether the food was manufactured in Vermont.

While the bill exempts processing aids and milk from cows that have been fed GMO feed, many dairy products and other foods that incorporate milk would be affected unless they were made with organic ingredients.

The Food and Drug Administration, the American Medical Association, the World Health Organization, the U.S. Department of Agriculture and the National Academy of Sciences all have said that GMO ingredients are safe and there are no negative health effects associated with their use.

This bill would confuse consumers, raise food prices and do nothing to ensure product safety, said Ruth Saunders, IDFA vice president of policy and legislative affairs. Its too bad for the dairy industry that Vermont would require such labels on chocolate milk, yogurt and other healthy dairy products while offering an exemption to the entire alcoholic beverage sector.

The neighboring states of Connecticut and Maine already passed labeling laws, but each delayed implementation until at least four other adjoining states passed and implemented similar laws. This strategy is designed to protect them from lawsuits from companies and associations that want to safeguard consistency in food labeling and avoid a 50-state patchwork of laws. Vermont, however, has decided to go it alone and is preparing a war chest in anticipation of the lawsuits to come.

IDFA and many other trade organizations oppose individual state legislation on GMO labeling and fully support The Safe and Accurate Food Labeling Act of 2014, introduced by U.S. Reps. Mike Pompeo (R-KS) and G.K. Butterfield (D-NC). This bill would preempt states from requiring mandatory labeling and establish a federal standard for voluntary labeling of food and beverage products made with GMOs.

IDFA believes that a federal solution on GMO labeling would bolster consumer confidence in American food by affirming FDAs overall authority for setting the nations food safety and labeling regulations, said Saunders.

IDFA is working with the Safe and Affordable Food Coalition, headed by the Grocery Manufacturers Association, on all issues related to GMO labeling.

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Vermont Senate passes GMO labeling bill

When his tomato plants were just a week old, technicians manually punched a hole in each seedling to get leaf tissue that was taken to a nearby lab, converted into a chemical soup and then scanned for genetic markers linked to desired traits.

Krivanek uses the information to keep just 3percent of the seedlings and grow them until they fruit this spring, when he can evaluate fully grown plants, keep a few hundred, sow their seeds and then screen those plants.

Im improving my odds. Maybe I can introduce to market a real super-hybrid in five years, Krivanek said. A predecessor might take a whole career.

The technology called marker-assisted or molecular breeding is far removed from the better-known and more controversial field of genetic engineering, in which a plant or animal can receive genes from a different organism.

Marker-assisted breeding, by contrast, lays bare the inherent genetic potential of an individual plant to allow breeders to find the most promising seedling among thousands for further breeding. Because the plants natural genetic boundaries are not crossed, the resulting commercial hybrid is spared the regulatory gantlet and the public opposition focused on such plants as genetically modified Roundup Ready corn or soybeans, which are engineered to withstand herbicide sprays.

Marker-assisted breeding has been embraced not only by the multinational biotech companies here in Californias Central Valley but also by plant scientists in government, research universities and nongovernmental organizations fervently seeking new, overachieving crops. The goal is to sustainably feed an expanding global population while dealing with the extremes of climate change.

But critics of Big Agriculture worry about the needs of small-scale farmers and breeders. Low-tech conventional breeding judging plants by how they look and perform, not by their DNA has been the lifeblood of small seed companies and local growers, often in conjunction with breeding programs at land-grant universities. But those programs have shrunk by a third in recent years, and the remaining ones are increasingly gravitating to the trendy sphere of molecular breeding.

Organic farmers, who need crop varieties designed for specific regions and less-intensive growing methods, are not being served by the new applied science, said John Navazio, a senior scientist with the Organic Seed Alliance.

There used to be a significant winter spinach production area in southern Virginia and Delmarva, and thats completely gone, he said. The spinach-growing industry has moved to megagrowers in California and Arizona.

Progress comes sooner

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Trait by trait, plant scientists swiftly weed out bad seeds through marker-assisted breeding

Ahmad Khalil started out studying how to build things like rocket engines and other mechanical systems as a mechanical engineering major in college. But, he added, he also took a liking to biology and the idea of applying engineering ideas to the study of living systems.

His PhD mentor, Angela Belcher at MIT, impressed upon him the reverse as well, that biological systems could also be used to engineer materials, and from her, he said, is where he got his "inspiration for bio-inspired engineering."

In his new lab at Boston University, Khalil is studying how cells respond to various environmental conditions and stressors.

"We develop engineering approaches and technologies to broadly study how cells behave, how they grow, how they develop, how they communicate," Khalil said, "and, in turn, to also re-direct those behaviors for useful applications for human health and energy and societal problems."

Excerpt from:
Celera Researchers Investigating Genetic Risk Signature to Predict Atrial Fibrillation

PUBLIC RELEASE DATE:

15-Apr-2014

Contact: Sophie Mohin smohin@liebertpub.com 914-740-2100 Mary Ann Liebert, Inc./Genetic Engineering News

New Rochelle, NY, April 15, 2014Transgender individuals are medically underserved and their healthcare needs incompletely understood in part because they represent a subpopulation whose health is rarely monitored by U.S. national surveillance systems. To address these issues, a new study compared methods of collecting and analyzing data to assess health disparities in a clinical sample of transgender individuals, as reported in an article published in LGBT Health, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the LGBT Health website at http://www.liebertpub.com/lgbt.

Sari Reisner, ScD and coauthors, Harvard School of Public Health, Harvard Medical School/Massachusetts General Hospital, and Fenway Health, Boston MA, compared transgender and non-transgender patients on health measures such as substance abuse, HIV infection, lifetime suicide attempts, and social stressors including violence and discrimination. They report their findings in the article "Transgender Health Disparities: Comparing Full Cohort and Nested Matched Pair Study Designs in a Community Health Center".

"Clinic-based samples and patient-related data are under-utilized sources of information about transgender health, particularly in community-based, urban health centers that typically serve large numbers of transgender patients," says Editor-in-Chief William Byne, MD, PhD, Icahn School of Medicine at Mount Sinai, New York, NY. "Reisner and coauthors describe a method of handling such data to provide valid results while maximizing efficiency with respect to time and resources."

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About the Journal

Spanning a broad array of disciplines LGBT Health, published quarterly online with Open Access options and in print, brings together the LGBT research, health care, and advocacy communities to address current challenges and improve the health, well-being, and clinical outcomes of LGBT persons. The Journal publishes original research, review articles, clinical reports, case studies, legal and policy perspectives, and much more. Tables of content and a sample issue may be viewed on the LGBT Health website at http://www.liebertpub.com/lgbt.

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New study from Harvard identifies transgender health disparities

As much as 80 percent of the processed food sold in Vermont is a product of modern genetic engineering. An overwhelming majority of registered voters in the state want to to know which 80 percent, according to a new public opinion poll conducted for VTDigger.org by the Castleton Polling Institute.

The poll results show 79 percent of respondents support a law to require the labeling of foods that contain genetically modified ingredients. Vermonters' support for what would be a landmark labeling law surpasses party lines, regional boundaries and differences in age, gender, education and income level.

The constituency showing the most opposition to the labeling law is Republicans, at 27 percent. Otherwise, no group reaches 20 percent opposition. Democrats show the least opposition, with just 9 percent.

About 83 percent of Vermonters under age 65 support the bill.

GMO labeling laws have been proposed in more than two dozens other states to date. Connecticut and Maine have passed legislation that would take effect if other states require labeling, too.

Vermont's proposed law contains no triggers. It would take effect in July 2016.

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VTDigger poll shows overwhelming support for GMO labeling law

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Genetic Engineering and Selective Human Breeding
Should people be genetically engineering future changes in the human being? Probably not. But things like disease make it probably that humans will go down t...

By: Chris Freely

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Genetic Engineering and Selective Human Breeding - Video