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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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Gluing chromosomes at the right place

During cell division, chromosomes acquire a characteristic X-shape with the two DNA molecules (sister chromatids) linked at a central "connection region" that contains highly compacted DNA. It was unknown ...

Oct 08, 2014
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Cell architecture: Finding common ground

When it comes to cellular architecture, function follows form. Plant cells contain a dynamic cytoskeleton which is responsible for directing cell growth, development, movement, and division. So over time, changes in the cytoskeleton ...

Oct 16, 2014
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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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Detecting and preventing disease in trout

Each year, the rainbow trout industry suffers significant economic losses due to bacterial cold-water disease, caused by the bacterium Flavobacterium psychrophilum. The disease also affects salmon and other ...

Oct 06, 2014
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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 ...

Oct 03, 2014
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