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Biotechnology news

Researchers uncover tomato's genetic history

Two years after the sequencing of the genome of one variety of tomato, scientists have sequenced the genomes of 360 tomato varieties. By analyzing the relationships among these genomes, Sanwen Huang of the ...

Oct 14, 2014 report
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Special chromosomal structures control key genes

Within almost every human cell is a nucleus six microns in diameter—about one 300th of a human hair's width—that is filled with roughly three meters of DNA. As the instructions for all cell processes, the DNA must be ...

Oct 09, 2014
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Wild tomato species focus of antioxidant study

Tomatoes are known to be rich in antioxidants such as vitamin C, lycopene, β-carotene, and phenolics. Antioxidants, substances capable of delaying or inhibiting oxidation processes caused by free radicals, ...

Oct 09, 2014
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How to remove tangles in your DNA

(Phys.org) —DNA damage is a fact of life. On any given day, an organism's DNA will suffer between 10,000 and 1,000,000 breaks or other damage. These problems are repaired by enzymes in our cells that fix ...

Oct 08, 2014
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Researchers pump up oil accumulation in plant leaves

Increasing the oil content of plant biomass could help fulfill the nation's increasing demand for renewable energy feedstocks. But many of the details of how plant leaves make and break down oils have remained ...

New iPad cellular models have Apple SIM flexibility

Major breakthrough could help detoxify pollutants

Research paves way for new generation of fungicides

Plants that come under attack from pathogens have an automatic immune response. Fungi get around this plant immunity by injecting proteins into the host plant cells. These 'effector proteins' enable the fungi ...

Cattle code cracked in detail

By creating a global database an international consortium of scientists has increased the detailed knowledge of the variation in the cattle genome by several orders of magnitude. The first generation of the ...

Study shows how giant clams harness the sun

Evolution in extreme environments has produced life forms with amazing abilities and traits. Beneath the waves, many creatures sport iridescent structures that rival what materials scientists can make in ...

Test shows Spain nursing assistant clear of Ebola

New approach to boosting yeast's ethanol yields

Yeast are commonly used to transform corn and other plant materials into biofuels such as ethanol. However, large concentrations of ethanol can be toxic to yeast, which has limited the production capacity ...

Twice the DNA yield in less time

Molecular studies of plants often depend on high-quantity and high-quality DNA extractions. This can be quite difficult in plants, however, due to a diversity of compounds and physical properties found in plants. "Tannins, ...

On the scent of a wine's bouquet

The majority of wines are produced from around 20 different types of grape, all of which have their own typical aroma. This is due to the terpenes, a diverse category of chemical substances including cholesterol ...

Could reading glasses soon be a thing of the past?

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