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Nature Papers Include Tool for Hybrid Genome Assembly, Evidence of Horizontal Indirect Genetic Effects

A computational tool for the hybrid de novo assembly of human genomes is presented in Nature Biotechnology this week. The algorithm's developers at the University of Tübingen and the University of Lyon demonstrate the technology by assembling four human genomes using a combination of sequencing data generated on Oxford Nanopore Technology PromethION, PacBio Sequel, Illumina, and MGI technology platforms. "The resulting genome assemblies have high contiguity, few assembly errors, good consensus quality, and high gene completeness, while consuming low computational resources," they write.

A study of complex traits in thousands of couples in this week's Nature Human Behaviour reveals evidence of horizontal indirect genetic effects (IGEs) in humans. IGEs, which occur when the genotype of one individual affects the phenotype of another, have primarily been described in humans on a vertical basis, such as the role of a mother's genetics on her child's birth weight. To explore the existence of horizontal IGEs in humans, University of Edinburgh researchers examined 105 complex traits in over 80,000 couples of European ancestry. Findings were replicated in around 8,000 sibling pairs and other couples of mixed ancestry. They find evidence of partner heritability on roughly 50 percent of the analyzed traits. "Follow-up analysis suggests that in at least [about] 25 percent of these traits, the partner heritability is consistent with the existence of indirect genetic effects including a wide variety of traits such as dietary traits, mental health, and disease," the study's authors write. The findings point to the need for new ways of studying the environment, they add.

The Scan

More Boosters for US

Following US Food and Drug Administration authorization, the Centers for Disease Control and Prevention has endorsed booster doses of the Moderna and Johnson & Johnson SARS-CoV-2 vaccines, the Washington Post writes.

From a Pig

A genetically modified pig kidney was transplanted into a human without triggering an immune response, Reuters reports.

For Privacy's Sake

Wired reports that more US states are passing genetic privacy laws.

Science Paper on How Poaching Drove Evolution in African Elephants

In Science this week: poaching has led to the rapid evolution of tuskless African elephants.