| Dietary protein content influences both growth and size distribution of anterior and posterior muscle fibres in juveniles of Pagellus bogaraveo (Brunnich). | |
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MedLine Citation:
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PMID: 19153814 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Muscle cellularity was studied in Pagellus bogaraveo juveniles fed on diets with different protein contents. Measured in transversal body sections, at both post-opercular and post-anal locations, the morphometric variables estimated were: total muscle area (A), total number of fibres (N), number of fibres per unit area of muscle (N (A)) and cross-sectional fibre area (ā) of the two main muscle fibre types. At the end of the experiment fish fed on diets having more than 40% of protein displayed significantly higher body weight. Fish fed on protein-rich diets exhibited greater ā and N. For fish fed on 30 and 50% protein diets the morphometric parameters measured grew linearly with the fish weight. High-protein diets favoured muscle hyperplasia. When comparing rostral and caudal locations, a greater N and a smaller ā of posterior red fibres were the consistent differences found-a fact, to our knowledge, so far unreported for fish. |
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Authors:
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P Silva; L M P Valente; M H Galante; C A P Andrade; R A F Monteiro; E Rocha |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-01-20 |
Journal Detail:
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Title: Journal of muscle research and cell motility Volume: 30 ISSN: 1573-2657 ISO Abbreviation: J. Muscle Res. Cell. Motil. Publication Date: 2009 |
Date Detail:
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Created Date: 2009-05-12 Completed Date: 2009-07-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8006298 Medline TA: J Muscle Res Cell Motil Country: Netherlands |
Other Details:
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Languages: eng Pagination: 29-39 Citation Subset: IM |
Affiliation:
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Laboratory of Histology and Embryology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animal Nutritional Physiological Phenomena* Animals Body Size Dietary Proteins / administration & dosage* Muscle Development* Muscle Fibers, Fast-Twitch / cytology, drug effects Muscle Fibers, Skeletal / cytology, drug effects* Muscle Fibers, Slow-Twitch / cytology, drug effects Perciformes / anatomy & histology*, growth & development* |
| Chemical | |
Reg. No./Substance:
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0/Dietary Proteins |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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