Embryonic temperature affects muscle fibre recruitment in adult zebrafish: genome-wide changes in gene and microRNA expression associated with the transition from hyperplastic to hypertrophic growth phenotypes.

Abstract excerpt

We investigated the effects of embryonic temperature (ET) treatments (22, 26 and 31 degrees C) on the life-time recruitment of fast myotomal muscle fibres in zebrafish Danio rerio L. reared at 26/27 degrees C from hatching. Fast muscle fibres were produced until 25 mm total length (TL) at 22 degrees C ET, 28 mm TL at 26 degrees C ET and 23 mm TL at 31 degrees C ET. The final fibre number (FFN) showed an optimum...

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