Browsing by Subject "Domestication"

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Open Access
Comparative analysis of the domestic cat genome reveals genetic signatures underlying feline biology and domestication
(Proceedings of the National Academy of Sciences, 2014-12-02) Montague, M. J.; Li, G.; Gandolfi, B.; Khan, R.; Aken, B. L.; Marques Bonet, T.; Alkan C.; Thomas, G. W. C.; Warren, W. C.; Searle, S. M. J.; Minx, M.; Hilliera, LaDeana W.; Koboldt, D. C.; Davis, B. W.; Driscoll, C. A.; Barr, C. S.; Blackistone, K.; Quilez, J.; Lorente-Galdos, B.; Marques Bonet, T.; Hahnj, M. W.; Menotti-Raymond, M.; O’Brien, S. J.; Wilson, R. K.; Lyons, L. A.; Murphy, W. J.
Little is known about the genetic changes that distinguish domestic cat populations from their wild progenitors. Here we describe a high-quality domestic cat reference genome assembly and comparative inferences made with other cat breeds, wildcats, and other mammals. Based upon these comparisons, we identified positively selected genes enriched for genes involved in lipid metabolism that underpin adaptations to a hypercarnivorous diet. We also found positive selection signals within genes underlying sensory processes, especially those affecting vision and hearing in the carnivore lineage. We observed an evolutionary tradeoff between functional olfactory and vomeronasal receptor gene repertoires in the cat and dog genomes, with an expansion of the feline chemosensory system for detecting pheromones at the expense of odorant detection. Genomic regions harboring signatures of natural selection that distinguish domestic cats from their wild congeners are enriched in neural crest-related genes associated with behavior and reward in mouse models, as predicted by the domestication syndrome hypothesis. Our description of a previously unidentified allele for the gloving pigmentation pattern found in the Birman breed supports the hypothesis that cat breeds experienced strong selection on specific mutations drawn from random bred populations. Collectively, these findings provide insight into how the process of domestication altered the ancestral wildcat genome and build a resource for future disease mapping and phylogenomic studies across all members of the Felidae.
Open Access
Demographically-based evaluation of genomic regions under selection in domestic dogs
(Public Library of Science, 2016) Freedman, A. H.; Schweizer, R. M.; Vecchyo, D. Ortega-Del; Han, E.; Davis, B. W.; Gronau, I.; Silva, P. M.; Galaverni, M.; Fan, Z.; Marx, P.; Lorente-Galdos, B.; Ramirez, O.; Hormozdiari, F.; Alkan C.; Vilà, C.; Squire K.; Geffen, E.; Kusak, J.; Boyko, A. R.; Parker, H. G.; Lee C.; Tadigotla, V.; Siepel, A.; Bustamante, C. D.; Harkins, T. T.; Nelson, S. F.; Marques Bonet, T.; Ostrander, E. A.; Wayne, R. K.; Novembre, J.
Controlling for background demographic effects is important for accurately identifying loci that have recently undergone positive selection. To date, the effects of demography have not yet been explicitly considered when identifying loci under selection during dog domestication. To investigate positive selection on the dog lineage early in the domestication, we examined patterns of polymorphism in six canid genomes that were previously used to infer a demographic model of dog domestication. Using an inferred demographic model, we computed false discovery rates (FDR) and identified 349 outlier regions consistent with positive selection at a low FDR. The signals in the top 100 regions were frequently centered on candidate genes related to brain function and behavior, including LHFPL3, CADM2, GRIK3, SH3GL2, MBP, PDE7B, NTAN1, and GLRA1. These regions contained significant enrichments in behavioral ontology categories. The 3rdtop hit, CCRN4L, plays a major role in lipid metabolism, that is supported by additional metabolism related candidates revealed in our scan, including SCP2D1 and PDXC1. Comparing our method to an empirical outlier approach that does not directly account for demography, we found only modest overlaps between the two methods, with 60% of empirical outliers having no overlap with our demography-based outlier detection approach. Demography-aware approaches have lower-rates of false discovery. Our top candidates for selection, in addition to expanding the set of neurobehavioral candidate genes, include genes related to lipid metabolism, suggesting a dietary target of selection that was important during the period when proto-dogs hunted and fed alongside hunter-gatherers. © 2016, Public Library of Science. All Rights Reserved.
Open Access
Origins of pottery technology in the ancient Near East: an examination of the technological and socioeconomic factors that contributed to the innovation and widespread use of pottery
(2004) Holdridge, Genevieve
The objective of this thesis is to research the invention and innovation of pottery technology in the Pre-Pottery Neolithic B, in particular the Late and Final PrePottery Neolithic B and Early Pottery Neolithic in the Near East. My approach will involve examining the various factors that are involved with the origins of clay vessel manufacture including: 1) the context of this event like the Pre-Pottery Neolithic B and Early Pottei7 Neolithic Societies; 2) the history of clay vessel manufacture such as the sporadic invention of pottery before its widespread adoption; 3) preceding technology; 4) circulation of goods and cultural and technological change; 5) settlement pattern change and movements of people; 6) domestication of animals and emergence of pastoralism; 7) ethno-archaeological comparisons; 8) ecological conditions; 9) social choice. The origins of pottery technology on a large scale are interrelated to all of these factors, and would not have emerged without all of these circumstances in place.
Open Access
Yeniden çeviri: yazara dönüş (mü?)
(Ürün Yayınları, 2010) Arslan, Fahrettin
The aim of this article is to present briefly and in general terms the concept of retranslation encountered in translation studies over the last couple of decades, as well as demonstrate that whereas first translations are more target language/culture-oriented, retranslations generally follow a return to the source language/culture. For this purpose, first and retranslations of The Grand Meaulnes of Alain Fournier, Swann in Love of Marcel P roust, and The Lover of Marguerite Duras, which have a certain reputation in our translated literature, are given as examples. In this comparative study, original texts are provided along with their translations, and the differences being evident, a detailed analysis was not required.