Wednesday, May 1, 2019

The Sequencing of the Octoploid Strawberry Genome Uncovers its Evolution

Ángel Vergara Cruces By Ángel Vergara Cruces, Universidad de Málaga Plant geneticists have achieved a sweet feat: the first assembly of the octoploid strawberry genome. As reported in Nature Genetics earlier this year, a team led by Steven J. Knapp of the University of California-Davis and Patrick P. Edger of Michigan State University, identified more than 100,000 genes in their high-quality assembly and annotation of the commercial strawberry, Fragaria x ananassa. The main challenge when assembling a polyploid genome is that similar regions in different subgenomes (so-called homeologous regions) can lead to uncertainty about where to assign a given read…

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