New mouse model reveals a mystery of Duchenne muscular dystrophy

Children with Duchenne muscular dystrophy often die as young adults from heart and breathing complications. However, scientists have been puzzled for decades by the fact that laboratory mice bearing the same genetic mutation ...

New limits to functional portion of human genome reported

An evolutionary biologist at the University of Houston has published new calculations that indicate no more than 25 percent of the human genome is functional. That is in stark contrast to suggestions by scientists with the ...

Genomic stability: A double-edged sword for sharks

Sharks have been populating the oceans for about 400 to 500 million years. While our planet and many of its inhabitants have undergone massive changes several times during this period, this basal group of vertebrates has ...

Enzyme created in test tube displays new structure, function

(Phys.org)—Five years ago, a pair of researchers used a clever update on a technique called in vitro evolution – evolution in a test tube – to turn an ordinary protein into an artificial enzyme, a biological catalyst ...

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