Abstract
Collagen mutations are commonly used in the creation of Caenorhabditis elegans transgenic strains, but their secondary effects are not fully characterized . We compared the mitochondrial function of N2, dpy-10, rol-6, and PE255 C. elegans . N2 worms exhibited ~2-fold greater volume, mitochondrial DNA copy number, and nuclear DNA copy number than collagen mutants (p<0.05). Whole-worm respirometry and ATP levels were higher in N2 worms, but differences in respirometry largely disappeared after normalization to mitochondrial DNA copy number. This data suggests that rol-6 and dpy-10 mutants are developmentally delayed but have comparable mitochondrial function to N2 worms once the data is normalized to developmental stage.
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