Headlines for: 7/10/2009
Melon Research Sweetened with DNA SequenceMarker-Free Transgenic Cassava Plants
Explaining International Differences in Genetically Modified Food Labeling Policies
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Melon Research Sweetened with DNA Sequence
Source:Texas Agrilife Research
Author:n/a
The melon genome has been mapped by researchers at Texas AgriLife Research, which is part the Texas A&M University system in the U.S., this press release reports. Scientists from France and Spain had already completed partial maps of segments of the melon genome sequence. The Texas Agrilife researchers connected those segments with new findings to complete the entire melon genome map. "This will help us anchor down some of the desirable genes to develop better melon varieties . . . We can identify specific genes for higher sugar content, disease resistance and even drought tolerance," said Kevin Crosby, one of the researchers involved in the project. The research results have been published in the Journal of the American Society of Horticultural Sciences. The press release can be viewed online at the link below.
http://texasextension.tamu.edu/agnews/index.php?id=1271
Marker-Free Transgenic Cassava Plants
Source:Crop Biotech Update
Author:n/a
Researchers at Thailand's Mahidol University have successfully developed molecular-marker-free genetically modified (GM) cassava plants. In doing so, they were able to demonstrate the efficacy of the ipt-type Multi-Auto-Transformation (MAT) vector system in cassava. The MAT vector system works by using the isopentenyltransferase (ipt) gene as a morphological marker for visual selection of GM lines. The article says that the generation of marker-free, and "thus environmentally safe," GM cassava lines should help ease public concern regarding the use of GM cassava in both food and nonfood industries. The article can be viewed online at the link below.
http://www.isaaa.org/kc/cropbiotechupdate/online/default.asp?Date=7/3/2009#4400
Explaining International Differences in Genetically Modified Food Labeling Policies
Source:Review of International Economics
Author:Guillaume P. Gruère, Colin A. Carter, and Y. Hossein Farzin
This article by researchers at the International Food Policy Research Institute (IFPRI) and the University of California, Davis in the U.S. evaluates how political-economic factors affect national choices in the adoption of labeling policies for genetically modified (GM) food. The article finds that production and trade-related interests play a prominent role in labeling decision-making. Countries that grow GM crops generally have less stringent labeling policies, the article finds, while food and feed exporters to the EU and Japan are more likely to have stricter labeling policies. Labeling regulations in Asia and Europe are similar to those of Japan and the EU, the article says. It finds that the countries with no GM labeling policies tend to be those that are less developed and have important rural sectors; these countries are also more likely to have ratified the Cartagena Protocol on Biosafety, according to the article. The article can be viewed online at the link below.
http://www3.interscience.wiley.com/journal/122249758/abstract?CRETRY=1&SRETRY=0
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