You are where you live: parasitic nematode mitochondrial genome size is associated with the thermal environment generated by hosts.

Abstract excerpt

There exists remarkable interspecific variation in mitochondrial sequence evolution rates and in mitochondrial genome sizes. A number of hypotheses based on the forces of mutation and selection have been proposed to explain this variation. Among such hypotheses, we test three: 1) the 'longevity-dependent selection', 2) the 'functional constraints' and 3) the 'race for replication' hypotheses, using published...

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