Originally published as Genetics Published Articles Ahead of Print on February 19, 2006.

Genetics, Vol. 172, 2695-2698, April 2006, Copyright © 2006
doi:10.1534/genetics.105.053769

Multiple Events Are Responsible for an Insertion in a Paternally Inherited Mitochondrial Genome of the Mussel Mytilus galloprovincialis

* Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Panepistimioupolis, 15701 Athens, Greece and {dagger} Department of Biology, University of Crete, 71409 Heraklion, Crete, Greece

1 Corresponding author: Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, Panepistimioupolis, 15701 Athens, Greece.
E-mail: grodakis{at}biol.uoa.gr

In a sperm-transmitted mtDNA of Mytilus galloprovincialis we found an insertion that is not present in the typical genome and whose origin can be explained by a sequence of three events: a tandem duplication, a nonhomologous recombination, and a deletion. Unless such events are extremely rare in this species, the identical gene arrangement of the two gender-specific genomes should imply strong selection for same gene order and size.




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