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Sex, Tools And Chromosomes

Published: April 12, 2012.
By University of California - Davis
http://www.ucdavis.edu

Researchers at the University of California, Davis have discovered a key tool that helps sperm and eggs develop exactly 23 chromosomes each. The work, which could lead to insights into fertility, spontaneous miscarriages, cancer and developmental disorders, is published April 13 in the journal Cell.


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biology
No Sign of Health Or Nutrition Problems from GMO Livestock Feed, Study Finds
A new scientific review from the University of California, Davis, reports that the performance and health of food-producing animals consuming genetically engineered feed, first introduced 18 years ago, has been comparable to that of animals consuming non-GE feed. The review study also found that scientific studies have detected no differences in the nutritional makeup of the meat, milk or other food products derived from animals that ate genetically engineered feed.
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Study Solves the Bluetongue Disease 'Overwintering' Mystery
The bluetongue virus, which causes a serious disease that costs the cattle and sheep industries in the United States an estimated $125 million annually, manages to survive the winter by reproducing in the insect that transmits it, report veterinary scientists at the University of California, Davis.
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Climate-smart Agriculture Requires Three-pronged Global Research Agenda
Faced with climate change and diminishing opportunities to expand productive agricultural acreage, the world needs to invest in a global research agenda addressing farm and food systems, landscape and regional issues and institutional and policy matters if it is to meet the growing worldwide demand for food, fiber and fuel, suggests an international team of researchers.
chemistry
Watching the Structure of Glass Under Pressure
Glass has many applications that call for different properties, such as resistance to thermal shock or to chemically harsh environments. Glassmakers commonly use additives such as boron oxide to tweak these properties by changing the atomic structure of glass. Now researchers at the University of California, Davis, have for the first time captured atoms in borosilicate glass flipping from one structure to another as it is placed under high pressure.
biology
Prions Can Trigger 'Stuck' Wine Fermentations, Researchers Find
A chronic problem in winemaking is "stuck fermentation," when yeast that should be busily converting grape sugar into alcohol and carbon dioxide prematurely shuts down, leaving the remaining sugar to instead be consumed by bacteria that can spoil the wine.
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