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Despite being a single species, dogs represent nearly 400 breeds with substantial genetic, morphological and behavioural diversity. In this Review, Ostranderet al. discuss how genomics studies of dogs have enhanced our understanding of dog and human population history, the desired and unintended consequences of trait-based selective breeding, and potentially human-applicable insights into cancer, ageing, behaviour and neurological diseases.
Sexual conflict is thought to increase population genetic diversity though balancing selection, which has important evolutionary implications. This Review discusses how population genomic approaches are contributing to a deeper understanding of sexual conflict and how it is resolved.
Recent large-scale genome-wide association studies have identified numerous variants that are associated with obesity-relevant traits such as body mass index or body fat percentage. Here, the authors explore to what extent this genomic evidence matches the evidence from functional and mechanistic studies.
Advances in genome sequencing, editing and synthetic biology have enhanced the feasibility of large-scale genome engineering, termed genome writing. In this Opinion article, Chari and Church discuss the strengths and limitations of diverse strategies for genome writing, including extensively modifying existing genomes versus synthesizing genomesde novo, and they provide future visions for writing large genomes.
