Two events are responsible for an insertion in a paternally inherited mitochondrial genome of the mussel Mytilus galloprovincialis.
Frequent nonhomologous recombination has been previously postulated to explain the 1045-bp insertion in one mitochondrial sperm-transmitted haplotype of Mytilus galloprovincialis. Such recombination would lead to the disruption of gene order and so the existence of a specific mechanism for maintaining the same gene order in both mitochondrial genomes of Mytilus has been proposed. Here the simpler explanation of the observed structure, involving a tandem duplication and a deletion, is presented. Their occasional occurrence in Mytilus mtDNA proves the similarity, not the difference, between animals with and without DUI.
Burzyński
Artur
A
Department of Genetics and Marine Biotechnology, Polish Academy of Sciences, Institute of Oceanology, 81-712 Sopot, Poland. aburzynski@iopan.gda.pl
D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D004272:DNA, Mitochondrial / Q000235:genetics*; D019143:Evolution, Molecular; D016678:Genome / Q000235:genetics*; D040582:Inheritance Patterns / Q000235:genetics*; D008969:Molecular Sequence Data; D016254:Mutagenesis, Insertional; D049878:Mytilus / Q000235:genetics*; D012343:RNA, Transfer / Q000737:chemistry / Q000235:genetics; D011995:Recombination, Genetic / Q000235:genetics
D004272:DNA, Mitochondrial; D012343:RNA, Transfer