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Thursday, July 10, 2003

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find related articles. powered by google. Wired News Mapping an 'Unlucky' Chromosome

"The number seven is not so lucky when it comes to chromosomes. Chromosome seven is the home of genes associated with cystic fibrosis, deafness, several cancers and a protein that resists cancer drugs.

The good news is, researchers now know more about chromosome seven than ever. Research at five centers around the world has culminated in the publication of the complete DNA sequence of chromosome seven in the July 10 issue of Nature."

find related articles. powered by google. Science Daily Sequence Of Human Chromosome 7 Is Fine-tuned And Finished

"The most challenging region of the chromosome to sequence was that containing genes for Williams-Beuren syndrome (WBS), a rare genetic disorder characterized by mild mental retardation, unusual facial appearance and a narrowing of the aorta, the major artery leaving the heart. The WBS region was difficult to decipher because it contains large segments DNA with many duplicated genes, and the number of duplicated genes differs among individuals. Children with WBS are missing long stretches of these duplicated genes.

"It seems that multiple copies of these genes are necessary for normal development, and if any are lost, developmental abnormalities occur," Wilson says. "People who study this disease may find the chromosome 7 sequence data very helpful.""



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Bioinformatics will be at the core of biology in the 21st century. In fields ranging from structural biology to genomics to biomedical imaging, ready access to data and analytical tools are fundamentally changing the way investigators in the life sciences conduct research and approach problems. Complex, computationally intensive biological problems are now being addressed and promise to significantly advance our understanding of biology and medicine. No biological discipline will be unaffected by these technological breakthroughs.

BIOINFORMATICS IN THE 21st CENTURY

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