Complementing aculiferan mitogenomics: comparative characterization of mitochondrial genomes of Solenogastres (Mollusca, Aplacophora)

被引:0
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作者
Bergmeier, Franziska S. [1 ]
Brachmann, Andreas [2 ]
Kocot, Kevin M. [3 ,4 ]
Leasi, Francesca [5 ]
Poustka, Albert J. [6 ,7 ]
Schroedl, Michael [8 ]
Sevigny, Joseph L. [9 ]
Thomas, W. Kelley [9 ]
Todt, Christiane [10 ]
Joerger, Katharina M. [8 ]
机构
[1] Ludwig Maximilians Univ Munchen, Fac Biol, Systemat Zool, Munich, Germany
[2] Ludwig Maximilians Univ Munchen, Fac Biol, Genet, Munich, Germany
[3] Univ Alabama, Dept Biol Sci, Tuscaloosa, AL USA
[4] Univ Alabama, Alabama Museum Nat Hist, Tuscaloosa, AL USA
[5] Univ Tennessee Chattanooga, Dept Biol Geol & Environm Sci, Chattanooga, TN USA
[6] Dahlem Ctr Genome Res & Med Syst Biol, Environm & Phylogen Grp, Berlin, Germany
[7] Stiftung Nat Schutz Berlin, Berlin, Germany
[8] SNSB Bavarian State Collect Zool, Munich, Germany
[9] Univ New Hampshire, Hubbard Ctr Genome Studies, Durham, NH USA
[10] Biota Nat Kompetanse, Bergen, Norway
来源
BMC ECOLOGY AND EVOLUTION | 2024年 / 24卷 / 01期
关键词
Mollusca; Neomeniomorpha; Gene arrangement; Ancestral gene order; Mitochondrial genome; Aculifera; Aplacophora; GENE ORDER; COMPLETE SEQUENCE; DNA-SEQUENCE; IQ-TREE; POLYPLACOPHORA; ORGANIZATION; PHYLOGENY; ALGORITHM; EVOLUTION; SELECTION;
D O I
10.1186/s12862-024-02311-5
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
BackgroundWith the advances in high-throughput sequencing and bioinformatic pipelines, mitochondrial genomes have become increasingly popular for phylogenetic analyses across different clades of invertebrates. Despite the vast rise in available mitogenomic datasets of molluscs, one class of aplacophoran molluscs - Solenogastres (or Neomeniomorpha) - is still neglected.ResultsHere, we present six new mitochondrial genomes from five families of Solenogastres (Amphimeniidae, Gymnomeniidae, Proneomeniidae, Pruvotinidae, Simrothiellidae), including the first complete mitogenomes, thereby now representing three of the four traditional orders. Solenogaster mitogenomes are variable in size (ranging from approximately 15,000 bp to over 17,000 bp). The gene order of the 13 protein coding genes and two rRNA genes is conserved in three blocks, but considerable variation occurs in the order of the 22 tRNA genes. Based on phylogenetic analyses and reconstruction of ancestral mitochondrial genomes of Aculifera, the position of (1) trnD gene between atp8 and atp6, (2) trnT and P genes between atp6 and nad5, and (3) trnL1 gene between G and E, resulting in a 'MCYWQGL1E'-block of tRNA genes, are all three considered synapomorphies for Solenogastres. The tRNA gene block 'KARNI' present in Polyplacophora and several conchiferan taxa is dissolved in Solenogastres.ConclusionOur study shows that mitogenomes are suitable to resolve the phylogenetic relationships among Aculifera and within Solenogastres, thus presenting a cost and time efficient compromise to approach evolutionary history in these clades.
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页数:14
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