1 resultado para Swine -- Feeding and feeds
em Abertay Research Collections - Abertay University’s repository
Filtro por publicador
- Abertay Research Collections - Abertay University’s repository (1)
- Academic Archive On-line (Stockholm University; Sweden) (1)
- AMS Tesi di Dottorato - Alm@DL - Università di Bologna (5)
- AMS Tesi di Laurea - Alm@DL - Università di Bologna (4)
- Aquatic Commons (50)
- ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (1)
- Archimer: Archive de l'Institut francais de recherche pour l'exploitation de la mer (3)
- Archive of European Integration (3)
- Aston University Research Archive (13)
- Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
- B-Digital - Universidade Fernando Pessoa - Portugal (1)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (10)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (1)
- Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (5)
- Bioline International (5)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (27)
- Brock University, Canada (4)
- CentAUR: Central Archive University of Reading - UK (11)
- Chinese Academy of Sciences Institutional Repositories Grid Portal (22)
- Cochin University of Science & Technology (CUSAT), India (7)
- CORA - Cork Open Research Archive - University College Cork - Ireland (1)
- Cornell: DigitalCommons@ILR (1)
- Dalarna University College Electronic Archive (1)
- Deakin Research Online - Australia (47)
- Digital Commons @ Winthrop University (1)
- Digital Commons at Florida International University (2)
- Digital Repository at Iowa State University (6)
- DigitalCommons - The University of Maine Research (1)
- DigitalCommons@The Texas Medical Center (3)
- DigitalCommons@University of Nebraska - Lincoln (2)
- Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
- Duke University (2)
- eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (94)
- Glasgow Theses Service (1)
- Greenwich Academic Literature Archive - UK (2)
- Helda - Digital Repository of University of Helsinki (9)
- Indian Institute of Science - Bangalore - Índia (5)
- Instituto Politécnico de Viseu (2)
- Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (1)
- Memorial University Research Repository (2)
- National Center for Biotechnology Information - NCBI (15)
- Plymouth Marine Science Electronic Archive (PlyMSEA) (27)
- Publishing Network for Geoscientific & Environmental Data (44)
- QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (37)
- Queensland University of Technology - ePrints Archive (66)
- RCAAP - Repositório Científico de Acesso Aberto de Portugal (1)
- ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (2)
- Repositório Científico da Universidade de Évora - Portugal (1)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (5)
- Repositório Científico do Instituto Politécnico de Santarém - Portugal (1)
- Repositorio de la Universidad de Cuenca (2)
- Repositório digital da Fundação Getúlio Vargas - FGV (1)
- Repositorio Institucional da UFLA (RIUFLA) (2)
- Repositório Institucional da Universidade de Aveiro - Portugal (3)
- Repositório Institucional da Universidade Estadual de São Paulo - UNESP (1)
- Repositório Institucional da Universidade Federal do Rio Grande - FURG (1)
- Repositório Institucional da Universidade Federal do Rio Grande do Norte (1)
- Repositório Institucional da Universidade Tecnológica Federal do Paraná (RIUT) (1)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (214)
- RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (1)
- SAPIENTIA - Universidade do Algarve - Portugal (1)
- Universidad de Alicante (2)
- Universidad del Rosario, Colombia (4)
- Universidad Politécnica de Madrid (9)
- Universidade Complutense de Madrid (1)
- Universidade de Lisboa - Repositório Aberto (2)
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP) (4)
- Universidade Federal do Pará (10)
- Universidade Federal do Rio Grande do Norte (UFRN) (14)
- Universidade Metodista de São Paulo (3)
- Universidade Técnica de Lisboa (1)
- Universitat de Girona, Spain (6)
- Universitätsbibliothek Kassel, Universität Kassel, Germany (7)
- Université de Lausanne, Switzerland (2)
- Université de Montréal (1)
- Université de Montréal, Canada (11)
- University of Connecticut - USA (1)
- University of Michigan (35)
- University of Queensland eSpace - Australia (16)
- University of Washington (1)
Resumo:
Heat shock proteins (HSPs) and antioxidants are key cellular defenses against stress. Seals routinely undergo protracted fasting, which is normally associated with physiological stress in other animals. We tested the hypotheses that (1) relative HSP70 protein abundance is higher in liver and blubber of fasting relative to suckling wild gray seal pups; (2) differences in HSP70 are mirrored in tissue superoxide dismutase (SOD) and catalase activity, as well as glutathione levels; (3) extracellular HSP70 correlates with hepatic and blubber HSP70 abundance; and (4) protein carbonylation, an index of oxidative damage, is lower in tissues with higher levels of these cellular stress markers. In contrast to our expectation, suckling pups had higher relative HSP70 abundance and glutathione levels in liver and blubber and higher hepatic catalase activity. Plasma HSP70 did not correlate with liver or blubber abundance of the protein. Suckling pups did not experience greater protein carbonylation, suggesting that cellular protective mechanisms prevent protein damage despite an apparent increase in cellular stress. SOD activity was not affected by nutritional state, but in blubber tissue, it was positively correlated with blubber thickness. Greater requirements for antioxidants and HSPs in suckling pups or in animals with thicker blubber could arise from rapid protein synthesis, high metabolic fuel availability, and/or exposure to lipophilic toxins. Developmental and nutritional changes in cellular defenses have important implications for gray seals’ susceptibility to additional stress exposure.