Loblolly sets record for biggest genome

Loblolly sets record for biggest genome

Sequence of pine tree’s DNA surpasses the base pairs of wheat

By Ashley Yeager, 18:53 PM April 30, 2014

A giant among trees, the loblolly pine boasts the largest set of genetic blueprints published to date. Even though it’s big on DNA letters, the pine’s instruction book lacks originality: About 82 percent is made of repeating DNA elements.

Researchers first reported deciphering loblolly’s roughly 22 billion letters, or bases, at a conference in 2013 (SN Online: 5/16/13). Now, the team has provided analysis of the loblolly genome in three papers, two in the March issue of GENETICS and one in Gen...

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