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This research investigates and compares the mitochondrial DNA sequences of Caenorhabditis elegans and Ascaris suum.

March 1, 1992GeneticsOpen Access

The mitochondrial genomes of two nematodes, Caenorhabditis elegans and Ascaris suum.

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Genetic analysis compares mitochondrial DNA sequences in two nematodes, revealing unique features and evolutionary insights.

This research investigates and compares the mitochondrial DNA sequences of Caenorhabditis elegans and Ascaris suum.
The nucleotide sequences of mtDNA from C. elegans (13,794 ntp) and A. suum (14,284 ntp) were presented and compared.
The presence of specific genes including ribosomal RNAs, tRNAs, and proteins was analyzed.
Gene arrangements and noncoding sequences were examined for both nematodes.
Both C. elegans and A. suum mtDNAs contain identical gene arrangements except for differing AT region locations.
A total of 12 protein genes similar to other metazoans were identified, with some unique features in tRNA genes.
It is suggested that C. elegans and A. suum diverged about 80 million years ago, close to the split of cow and human lineages.

Okimoto et al. (1992) studied this question.

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