The ovine hepatic mitochondrial proteome: Understanding seasonal weight loss tolerance in two distinct breeds.

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ID: 30117
2019
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Abstract
Seasonal weight loss (SWL) is a primary constraint for farmers in the Mediterranean and tropics. One cost-effective solution to SWL is utilizing breeds like the Damara sheep that have adapted to deal with nutritional stress. Previous studies concluded that one of the adaptation mechanisms of SWL is a specialized fatty acid metabolism. Accordingly, hepatic-mitochondrial proteomes were compared across two different breeds (24 sheep total, Merino, n = 12 and Damara, n = 12) and two different diets (restricted vs unrestricted diet, 6 per breed, per diet, 24 total). Mitochondrial-proteins were isolated and relatively quantified using Blue native PAGE / 2D-electrophoresis and then analyzed via mass spectrometry. The tool ReviGO summarized the proteomes' gene-ontology terms. A total of 50 proteins were identified with 7 changing significantly in abundance (ANOVA p-value<0.05). Specific abundance patterns of corticosteroid and inflammatory response-associated proteins such as annexin and glutamate dehydrogenase suggests that the Damara has an unusual inflammation response when subjected to SWL in addition to its unique metabolism. All significant proteins warrant further study; Annexin in particular shows promise as a potentially useful biomarker.
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miller2019theplos Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Miller, Blake A;Chapwanya, Aspinas;Kilminster, Tanya;Scanlon, Tim;Milton, John;Osório, Hugo;Oldham, Chris;Greeff, Johan;Bergfelt, Don R;Campos, Alexandre M O;Almeida, André M;
Journal PloS one
Year 2019
DOI
10.1371/journal.pone.0212580
URL
Keywords Keywords not found

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