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Loner or Connector, a Path Carved by Your Genes

The Wall Street Journal offers this article on a twin study suggesting that there's an important role for genes "in how people make friends and form social networks." The story quotes medical sociologist Nicholas Christakis at Harvard as saying, "Our work shows how humans, like ants, may assemble themselves into a 'super-organism' with rules governing the assembly, rules that we carry with us deep in our genes." According to the study, your genes may determine both how many friends you have and also how connected those friends are to one another, the article says.

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.