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Characterizes mitochondrial activity distribution in skeletal muscle fibers across tetrapods, suggesting an adaptation for muscle diversity.
fibers. These findings provide evidence for localized mitochondrial enrichment as an adaptation strategy to create muscle group heterogeneity. SUMMARY STATEMENT: This study characterizes the spatial distribution of mitochondrial activity in skeletal muscle across tetrapods, from the single-fiber scale to the fascicular level.
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Senapati et al. (2026) studied this question.
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