Special Issue "Domestication Genetics"
Deadline for manuscript submissions: 31 October 2020.
Interests: animal genetics; domestication; QTL, genomic tools, NGS
The beginning of plant and animal domestication in the early Holocene gave rise to multidimensional changes in human society. A few ancient centers of animal domestication produced most of the agriculturally important species which predetermined human population expansion and on which we continue to rely today. In many species, the timing of domestication as well as the number of domestication events and their geographical origin(s), remain questions of interest, despite long being investigated through the archeological and historical records. Since the development of genomic tools, genomics has emerged as another voice in this debate. Today, the genomes of many common domesticated species have been sequenced and their wild progenitors, existing or extinct, identified. The emergence of next-generation sequencing technologies has presented opportunities to sequence many individuals within species and has begun to reveal the complex history of populations and breeds. The identification of genomic signatures of selection for morphological and production-related traits has been facilitated by the analysis of a growing wealth of such sequencing data. These analyses have revealed that living in close proximity to humans induced changes in the genomes of domesticated species associated with adaption to new environments, climates, and to husbandry itself, in addition to the effects of artificial selection for desirable traits. The primary differences between domesticated animals and their wild progenitors are related to behavior, with domesticated species usually displaying a tame disposition, higher stress resistance, and increased social tolerance. Although understanding the genetic bases of these changes remains a challenge, the molecular processes associated with domesticated behavior have begun to emerge. Animal domestication, which started over 15,000 years ago with the domestication of dogs from wolves, is arguably the most influential and longest-running experiment in the human history, and with genomics it has reached a new epoch. This Special Issue will present recent advances in animal domestication research that are uncovering the genetic changes associated with domestication that have yielded such important consequences for our own species.
Dr. Anna V Kukekova
Manuscript Submission Information
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- quantitative trait loci
- selective sweep