NEW YORK (GenomeWeb News) – Alterations in just one gene appear to be enough to influence the kinds of movements that horses and other vertebrate animals can muster, according to a study appearing online today in Nature.

Researchers from the Swedish University of Agricultural Sciences, Uppsala University, and elsewhere did a genome-wide association study involving dozens of Icelandic horses capable of either four or five different gait motions.

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In Nature this week: omic analysis of permafrost microbes, hookworm genome, and more.

Biologists turn to environmental DNA sampling to determine whether elusive or invasive species are shedding DNA in a given area.

Rob Knight writes at Scientific American that microbiome studies are about to break out of the laboratory.

Harold Varmus, the director of the National Cancer Institute, has announced that he is stepping down after nearly five years.