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Abstract
The complete mitochondrial DNA of pennate diatom Fistulifera solaris was determined. The circular mitochondrial genome is 39 648 bp in length with 28.1% GC content and contains 63 genes, including 33 protein-coding genes, three conserved open reading frame (ORF154, ORF192 and ORF251), 25 tRNA and 2 rRNA genes. All protein-coding genes have AUG as start codon. A group I intron was found in nad11 gene. Both the gene content and the structure of Fistulifera solaris mitochondrial genome are very similar to Berkeleya fennica mitogenome (KM886611). Phylogeny analysis indicate F. solaris a close genetic relationship with Berkeleya fennica. This new mitogenome will provide more useful information for exploration in diatoms diversity and evolution.
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Declaration of interest
Supported by the National Natural Science Foundation of China (No. 41006082). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.