Publications by authors named "Matthew A G Owen"

Calcium and phosphorus (P) are the main bone minerals, and P deficiency can cause hypomineralized bones (osteomalacia) and malformations. This study used a P-deficient salmon model to falsify three hypotheses. First, an extended period of dietary P deficiency does not cause pathologies other than osteomalacia.

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Variation of vertebral centra numbers is common in vertebrates. Likewise, the number of associated elements such as ribs and neural and haemal arches can vary and affect all regions of the vertebral column. In mammals, only the number of cervical vertebrae is invariable.

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Fish have to respond to a range of natural and man-made environmental stressors, which can lead to molecular changes within their tissues. Many studies focused on environmental stress in fish have examined the change in protein abundance or mRNA level. However, it is well-known that there is a disconnect between mRNA and protein expression.

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In order to study the protein dynamics in the tissues of fish we have developed a proteomics-based strategy to determine the rates of synthesis and degradation of individual proteins. We have demonstrated the feasibility of this approach by measuring the turnover of multiple isoforms of parvalbumin (β1-7) in the skeletal muscle of common carp (Cyprinus carpio). A stable isotope-labelled amino acid ([(2)H(7)] l-leucine) was administered to the carp via the diet and its incorporation into the isoforms of parvalbumin in muscle over time was monitored by LC-MS analysis of signature peptides.

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