Proteomic insight into human directed selection of the domesticated chicken Gallus gallus
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Center for Innovation in Brain Sciences, University of ArizonaSchool of Animal and Comparative Biomedical Sciences, University of Arizona
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2023-08-07
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Schmidt CJ, Kim DK, Pendarvis GK, Abasht B, McCarthy FM (2023) Proteomic insight into human directed selection of the domesticated chicken Gallus gallus. PLoS ONE 18(8): e0289648. https://doi.org/10.1371/journal.pone.0289648Journal
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© 2023 Schmidt et al. This is an open access article distributed under the terms of the Creative Commons Attribution License.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
Chicken domestication began at least 3,500 years ago for purposes of divination, cockfighting, and food. Prior to industrial scale chicken production, domestication selected larger birds with increased egg production. In the mid-20th century companies began intensive selection with the broiler (meat) industry focusing on improved feed conversion, rapid growth, and breast muscle yield. Here we present proteomic analysis comparing the modern broiler line, Ross 708, with the UIUC legacy line which is not selected for growth traits. Breast muscle proteome analysis identifies cellular processes that have responded to human directed artificial selection. Mass spectrometry was used to identify protein level differences in the breast muscle of 6-day old chicks from Modern and Legacy lines. Our results indicate elevated levels of stress proteins, ribosomal proteins and proteins that participate in the innate immune pathway in the Modern chickens. Furthermore, the comparative analyses indicated expression differences for proteins involved in multiple biochemical pathways. In particular, the Modern line had elevated levels of proteins affecting the pentose phosphate pathway, TCA cycle and fatty acid oxidation while proteins involved in the first phase of glycolysis were reduced compared to the Legacy line. These analyses provide hypotheses linking the morphometric changes driven by human directed selection to biochemical pathways. These results also have implications for the poultry industry, specifically Wooden Breast disease which is linked to rapid breast muscle growth. © 2023 Schmidt et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Note
Open access journalISSN
1932-6203PubMed ID
37549140Version
Final Published Versionae974a485f413a2113503eed53cd6c53
10.1371/journal.pone.0289648
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Except where otherwise noted, this item's license is described as © 2023 Schmidt et al. This is an open access article distributed under the terms of the Creative Commons Attribution License.
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