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The complete mitochondrial genome of Vannella simplex (Amoebozoa, Discosea, Vannellida)
Natalya Bondarenko1, Anna Glotova1, Elena Nassonova2
1Department of Invertebrate Zoology, Faculty of Biology, St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia.
Abstract:
Vannella simplex (Amoebozoa, Discosea, Vannellida) is one of the commonest freshwater free-living lobose amoebae, known from many locations worldwide. In the present study, we describe the complete mitochondrial genome of this species. The circular mitochondrial DNA of V. simplex has 34,145öbp in length and contains 27 protein-coding genes, 2 ribosomal RNAs, 16 transfer RNAs and 4 open reading frames. Mitochondiral genome of V. simplex is one of the most gene compact due to overlapping genes and reduced intergenic space. It has much in common with its closest relative, mitochondrial genome of V. croatica GenBank number MF508648. In the same time, both of them show considerable differences in length and in gene order from the next close relative - that of Neoparamoeba pemaquidensis KX611830 (deposited as Paramoeba) and even more - from other sequenced amoebozoan mitochondrial genomes. The present study confirms the opinion that the level of synteny between the mitochondrial genomes across the entire Amoebozoa clade is low. More or less considerable similarity yet was found only between members of the same clade of the genera or family level, but hardly - among more distant lineages.
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