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New technologies boost genome quality [Science]

par Frédéric Magné - publié le

Three years ago, Erich Jarvis helped mastermind a massive DNA sequencing effort that netted genomes for more than 40 bird species and produced a better avian family tree. But when he tried to compare the avian genomes to those of other species to learn about the evolution and function of several key brain genes, he was stymied. His team found that gene sequences from most of the comparison species—even humans—were incomplete, missing, or misplaced in the larger genome. The group had to resequence sections of several genomes to get the needed data, delaying their project many months.

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