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A team led by investigators at the University of Georgia presents in G3: Genes Genomes Genetics a 10,080-locus genetic map of the sunflower genome, which it produced based on multiple crosses. Integrating genotypic data for four sunflower mapping populations, the researchers produced a consensus linkage map of the sunflower genome, through which they found localized variation in recombination rates in several genomic regions and "observed several gaps up to 26 cM in length that completely lacked mappable markers in individual crosses," they report. However, because the regions varied by cross, the consensus map did not contain gaps, "clearly illustrating the value of simultaneously analyzing multiple mapping populations," the team adds.

The Scan

Close Panel Vote on Califf Nomination

The New York Times reports there was a close committee vote to advance the nomination of Robert Califf to lead the US Food and Drug Administration to the full Senate.

Task Force Reports on Scientific Integrity

Nature News writes that that a new task force report recommends that the US establish a cross-agency scientific integrity council.

Across the Hall

Genetic testing, closed-circuit cameras, and more show how a traveler, without any contact, infected others at a New Zealand quarantine facility, CNN reports.

Science Paper Examines Influence of Chromatin Modifications on Obsessive-Compulsive Disorder

In Science this week: genes regulating chromatin modification may contribute to OCD risk.