Palaeoproteomic analyses of dog palaeofaeces reveal a preserved dietary and host digestive proteome

Autor: Anne Kathrine W. Runge, Edouard Masson-MacLean, Jessica Hendy, Krista McGrath, Enrico Cappellini, Camilla Speller, Kristine Korzow Richter, Matthew J. Collins, Kate Britton, Meaghan Mackie
Přispěvatelé: Collins, Matthew [0000-0003-4226-5501], Apollo - University of Cambridge Repository, Runge, Anne Kathrine W. [0000-0003-2421-4831], Richter, Kristine K. [0000-0003-3591-6900], Speller, Camilla [0000-0001-7128-9903]
Rok vydání: 2021
Předmět:
Zdroj: Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona
Proceedings of the Royal Society B: Biological Sciences
Runge, A K W, Hendy, J, Richter, K K, Masson-MacLean, E, Britton, K, MacKie, M, McGrath, K, Collins, M, Cappellini, E & Speller, C 2021, ' Palaeoproteomic analyses of dog palaeofaeces reveal a preserved dietary and host digestive proteome ', Proceedings of the Royal Society B: Biological Sciences, vol. 288, no. 1954, 20210020 . https://doi.org/10.1098/rspb.2021.0020
ISSN: 1471-2954
DOI: 10.1098/rspb.2021.0020
Popis: The domestic dog has inhabited the anthropogenic niche for at least 15 000 years, but despite their impact on human strategies, the lives of dogs and their interactions with humans have only recently become a subject of interest to archaeologists. In the Arctic, dogs rely exclusively on humans for food during the winter, and while stable isotope analyses have revealed dietary similarities at some sites, deciphering the details of provisioning strategies have been challenging. In this study, we apply zooarchaeology by mass spectrometry (ZooMS) and liquid chromatography tandem mass spectrometry to dog palaeofaeces to investigate protein preservation in this highly degradable material and obtain information about the diet of domestic dogs at the Nunalleq site, Alaska. We identify a suite of digestive and metabolic proteins from the host species, demonstrating the utility of this material as a novel and viable substrate for the recovery of gastrointestinal proteomes. The recovered proteins revealed that the Nunalleq dogs consumed a range of Pacific salmon species (coho, chum, chinook and sockeye) and that the consumed tissues derived from muscle and bone tissues as well as roe and guts. Overall, the study demonstrated the viability of permafrost-preserved palaeofaeces as a unique source of host and dietary proteomes. 1. Introduction 2. Material and methods (a) Samples (b) Palaeoproteomics (c) Zooarchaeology by mass spectrometry 3. Results and discussion (a) Metaproteomics (b) Host proteins (c) Dietary proteins (d) Challenges and future directions 4. Conclusion
Databáze: OpenAIRE