Journal
MOLECULAR PHYLOGENETICS AND EVOLUTION
Volume 107, Issue -, Pages 605-608Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ympev.2016.12.007
Keywords
Mitogenomics; DUI; Unionidae; Molecular clock
Funding
- Polish Ministry of Science and Higher Education [3636/B/P01/2010/38, 538-L155-0803-12, N 303 364 33]
- PL-GRID infrastructure
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The availability of a rapidly growing number of complete mitochondrial genome sequences provokes high confidence dating approaches. However, even if the congruence between mitochondrial and nuclear markers is reasonable, the resulting topologies are frequently questionable. The unique opportunity to study the evolutionary history of two independent mitochondria! genomes in one phylogenetic context exists in the freshwater mussels family Unionidae. The two lineages function under doubly uniparental inheritance since well before the emergence of the family. Despite the relatively high number of available complete sequences of maternally inherited genomes, comparative analyses are limited by the small number of sequences of counterpart paternally inherited genomes. We have sequenced for the first time the representative set of five sequences (two maternal and three paternal) from the species Unio crassus. Comparative analysis of the phylogenies reconstructed using relevant mitogenomic data available in GenBank (13 species in total) reveal that single - genome inferences are congruent only if the relaxed clock is assumed. (C) 2016 Elsevier Inc. All rights reserved.
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