There are thousands of genetic
diseases, many of which are lethal in untreated newborn babies. Unfortunately,
the conventional whole genome sequencing (WGS) methods required to detect these
defects can take up to six weeks—time that infants may not have. Thanks to the efforts
of more than twenty authors (and countless other people) from Children’s Mercy
Hospital and two universities in Kansas City, MO, WGS can now be done in just
over two days.
Several innovations were
responsible for this great decrease in time. First, sample preparation time was
decreased from sixteen hours to only 4.5 hours. The sequencing itself, which
used to take well over a week, was reduced to just over one day. Finally, the
subsequent analysis time was likewise drastically reduced. By combining these
time saving factors, the researchers were able to successfully complete WGS on
several infants in only fifty hours. Because much of the work was fully
automated, only five of those hours required human involvement.
Carol Jean Saunders, & et al (2012). Rapid Whole-Genome Sequencing for Genetic Disease Diagnosis in Neonatal Intensive Care Units Science Translational Medicine DOI: 10.1126/scitranslmed.3004041
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