Submitted by Michela Leonardi on Fri, 06/07/2018 - 09:54
The new paper on the origin of goat domestication by Pier and Andrea is now out in Science.
Kevin G. Daly, Pierpaolo Maisano Delser, Victoria E. Mullin, Amelie Scheu, Valeria Mattiangeli, Matthew D. Teasdale, Andrew J. Hare, Joachim Burger, Marta Pereira Verdugo, Matthew J. Collins, Ron Kehati, Cevdet Merih Erek, Guy Bar-Oz, FrançoisPompanon, TristanCumer, Canan Çakırlar, Azadeh Fatemeh Mohaseb, Delphine Decruyenaere, Hossein Davoudi, Özlem Çevik, Gary Rollefson, Jean-Denis Vigne, Roya Khazaeli, Homa Fathi, Sanaz Beizaee Doost, Roghayeh Rahimi Sorkhani, Ali Akbar Vahdati, Eberhard W. Sauer, Hossein Azizi Kharanaghi, Sepideh Maziar, Boris Gasparian, Ron Pinhasi, Louise Martin, DavidOrton, Benjamin S. Arbuckle, Norbert Benecke, Andrea Manica, Liora Kolska Horwitz, Marjan Mashkour, Daniel G.Bradley (2018) Ancient goat genomes reveal mosaic domestication in the Fertile Crescent. Science 361, 85–88.
How humans got their goats (commentary)
Little is known regarding the location and mode of the early domestication of animals such as goats for husbandry. To investigate the history of the goat, Daly et al. sequenced mitochondrial and nuclear sequences from ancient specimens ranging from hundreds to thousands of years in age. Multiple wild populations contributed to the origin of modern goats during the Neolithic. Over time, one mitochondrial type spread and became dominant worldwide. However, at the whole-genome level, modern goat populations are a mix of goats from different sources and provide evidence for a multilocus process of domestication in the Near East. Furthermore, the patterns described support the idea of multiple dispersal routes out of the Fertile Crescent region by domesticated animals and their human counterparts.
Abstract
Current genetic data are equivocal as to whether goat domestication occurred multiple times or was a singular process. We generated genomic data from 83 ancient goats (51 with genome-wide coverage) from Paleolithic to Medieval contexts throughout the Near East. Our findings demonstrate that multiple divergent ancient wild goat sources were domesticated in a dispersed process that resulted in genetically and geographically distinct Neolithic goat populations, echoing contemporaneous human divergence across the region. These early goat populations contributed differently to modern goats in Asia, Africa, and Europe. We also detect early selection for pigmentation, stature, reproduction, milking, and response to dietary change, providing 8000-year-old evidence for human agency in molding genome variation within a partner species.