5">Ascaris suum cytochrome b5 plays an important role in the anaerobiosis.
Cytochromes b5 from A. suum and Caenorhabditis elegans were studied in silico.
5">C. elegans equivalent of A. suum cytochrome b5 was proved to be CAA98498.
PCR analyses showed that CAA98498 was not expressed as mature mRNA.
5">C. elegans, aerobic nematodes, do not need haemoprotein like A. suum cytochrome b5.