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A Drink Just Sounded Good

Researchers from The Netherlands' Behavioral Science Institute report that people with the seven-repeat allele version of dopamine D4 receptor gene were more likely to mimic the drinking habits of others, reports LiveScience. DRD4 "has previously been associated with novelty-seeking behavior and dependence on feel-good rewards," the article adds. The study, published in Psychological Science, found that study participants' drink consumption was affected by how much the confederate in the study drank and the gene variant. "When the confederate was seen consuming three or four drinks, carriers of the 7-repeat form of the gene drank more than twice as many glasses of alcohol than did noncarriers of the gene variant," according to a press release from Psychological Science.

The Scan

Myotonic Dystrophy Repeat Detected in Family Genome Sequencing Analysis

While sequencing individuals from a multi-generation family, researchers identified a myotonic dystrophy type 2-related short tandem repeat in the European Journal of Human Genetics.

TB Resistance Insights Gleaned From Genome Sequence, Antimicrobial Response Assays

Researchers in PLOS Biology explore M. tuberculosis resistance with a combination of sequencing and assays looking at the minimum inhibitory concentrations of 13 drugs.

Mendelian Disease Genes Prioritized Using Tissue-Specific Expression Clues

Mendelian gene candidates could be flagged for further functional analyses based on tissue-specific transcriptome and proteome profiles, a new Journal of Human Genetics paper says.

Single-Cell Sequencing Points to Embryo Mosaicism

Mosaicism may affect preimplantation genetic tests for aneuploidy, a single-cell sequencing-based analysis of almost three dozen embryos in PLOS Genetics finds.