DNA technology brings personal gene maps closer

These new methods have already proven useful in clinics -- enabling doctors to tailor more effective drug regimens to combat lung cancer and HIV. Researchers have also used one of these strategies to figure out how a drug works against tuberculosis, leading to one of the first new TB medications discovered in the past 40 years. ''Traditional sequencing would have taken too long, have been too costly, and we simply wouldn't have done it" said Peter Verhasselt, research scientist at Johnson and Johnson who used the 454 method of DNA sequencing for TB research.

DNA technology brings personal gene maps closer - The Boston Globe

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