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Brown-Eyed Genes

Researchers from the University of Fukui genotyped five SNPs in the OCA2 and HERC2 genes associated with eye color in a Japanese population and compared the haplotype distribution to those of African and European populations. In Cell Biochemistry and Function, they say the most common haplotype in the Japanese population (all brown-eyed) was A-GAG and that haplotype is rare in Europeans, even amongst brown people. At Gene Expression Razib dives a bit deeper into the paper and maps out the frequencies of the SNPs world-wide.

The Scan

Team Tracks Down Potential Blood Plasma Markers Linked to Heart Failure in Atrial Fibrillation Patients

Researchers in BMC Genomics found 10 differentially expressed proteins or metabolites that marked atrial fibrillation with heart failure cases.

Study Points to Synonymous Mutation Effects on E. Coli Enzyme Activity

Researchers in Nature Chemistry saw signs of enzyme activity shifts in the presence of synonymous mutations in a multiscale modeling analysis of three Escherichia coli genes.

Team Outlines Paternal Sample-Free Single-Gene Approach for Non-Invasive Prenatal Screening

With data for nearly 9,200 pregnant individuals, researchers in Genetics in Medicine demonstrate the feasibility of their carrier screening and reflex single-gene non-invasive prenatal screening approach.

Germline-Targeting HIV Vaccine Shows Promise in Phase I Trial

A National Institutes of Health-led team reports in Science that a broadly neutralizing antibody HIV vaccine induced bnAb precursors in 97 percent of those given the vaccine.