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Table 1 The genome features and gene content of 12 mtDNAs in the class Mediophyceae belonging to the Phylum Bacillariophyta. The strains indicated in blue were obtained in this study

From: Comparative analysis of full-length mitochondrial genomes of five Skeletonema species reveals conserved genome organization and recent speciation

Species Strains Habitat Accession number Size(bp) A + T(%) PCGs/rRNAs rps2 rrn5 tRNA Introns Start codon of atp8 Reference
Skeletonema marinoi CNS00100 Marine MW438984 38,773 70.3 34/2 + 25 0 GTG This study
Skeletonema marinoi JK029 Marine NC_028615 38,515 70.3 34/2 + 25 0 GTG [45]
Skeletonema tropicum CNS00166 Marine MW438983 37,543 70.6 34/2 + 25 0 ATA This study
Skeletonema costatum CNS00243 Marine MW438982 40,676 71.5 34/2 + 26 0 TTA This study
Skeletonema costatum CNS00303 Marine MW438981 40,675 71.5 34/2 + 26 0 TTA This study
Skeletonema pseudocostatum CNS00342 Marine MW438980 36,199 70.6 34/2 + 25 0 ATA This study
Skeletonema grevillei CNS00438 Marine MW438979 36,336 70.8 34/2 + 25 0 TTA This study
Thalassiosira pseudonana   Marine NC_007405 43,827 69.9 34/2 + 25 1 TTA [47]
Thalassiosira profunda CNS00050 Marine MW013551 40,470 69.0 34/2 + 25 0 ATT [48]
Odontella regia CNS00380 Marine MW018491 37,617 73.4 34/2 + 24 0 ATG [43]
Lithodesmium undulatum CNS00316 Marine MW023083 37,057 75.3 34/2 + 25 0 ATT [43]
Toxarium undulatum ECT3802 Marine NC_037988 40,429 69.9 34/2 + 26 0 ATG [49]
  1. The core genes included 34 PCGs (atp6, 8, 9; cob; cox1, 2, 3; nad17, 4 L, 9, 11; rpl2, 5, 6, 14, 16; rps 3, 4, 7, 8, 10, 11, 12, 13, 14, 19; and tatA, tatC) and two rRNAs