Abstract：
:An exceptional mode of mtDNA inheritance involving separate maternal and paternal transmission routes has been reported recently in the mussel Mytilus edulis. This mode of inheritance provides an explanation for the high levels of heteroplasmy for two highly diverged genomes observed in males of this species. Here we provide evidence for a similar pattern of heteroplasmy in Atlantic and Mediterranean forms of the related mussel M. galloprovincialis. The results support the hypothesis that this mode of mtDNA inheritance has an ancient origin. In addition, the detection of some heteroplasmic females suggests preferential, rather than exclusive, transmission within male and female lines of descent. We also present evidence that the two highly diverged genomes display a parallel split between the Atlantic and Mediterranean forms, consistent with neutral evolution.
journal_name
Curr Genetjournal_title
Current geneticsauthors
Quesada H,Skibinski DA,Skibinski DOdoi
10.1007/BF02221509subject
Has Abstractpub_date
1996-04-01 00:00:00pages
423-6issue
5eissn
0172-8083issn
1432-0983journal_volume
29pub_type
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