Cattle demographic history modelled from autosomal sequence variation.

摘要: The phylogeography of cattle genetic variants has been extensively described and informed the history domestication. However, there remains a dearth demographic models inferred from such data. Here, we describe sequence diversity at 37 000 bp sampled 17 genes in Africa, Europe India. Clearly distinct population histories are suggested between Bos indicus taurus, with former displaying higher statistics. We compare unfolded site frequency spectra each to those simulated using diffusion approximation method build best-fitting model past demography. This implies an earlier, possibly glaciation-induced bottleneck B. taurus ancestry later, domestication-associated constriction indicus. Strikingly, modelled indicine also requires majority secondary admixture South Asian aurochs, indicating complex, more diffuse domestication process. perhaps involved multiple domestications and/or introgression wild oxen domestic herds; latter is plausible archaeological evidence contemporaneous across different regions Asia.