Just as there is a mysterious dark matter that accounts for 85 percent of our universe, there is a “dark” portion of the human genome that has perplexed scientists for decades. A study published March 9, 2020, in Genome Research identifies new portions of the fruit fly genome that, until now, have been hidden in these dark, silent areas.
The collaborative paper titled “Gene Expression Networks in the Drosophila Genetic Reference Panel” is the culmination of years of research by Clemson University geneticists Trudy Mackay and Robert Anholt. Their groundbreaking findings could significantly advance science’s understanding of a number of genetic disorders.
The “dark” portion refers to the approximate 98 percent of the genome that doesn’t appear to have any obvious function. Only 2 percent of the human genome codes for proteins, the building blocks of our bodies and the catalysts of the chemical reactions that allow us to thrive. Scientists have been puzzled by this notion since the 1970s when gene sequencing technologies were first developed, revealing the proportion of coding to noncoding regions of the genome.
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