Abstract
In this work, the complete mitogenome of Saccharina cultivar ‘Dongfang No.3’ is reported. This mitogenome has a circular mapping organization with the length of 37,657 bp and contains 66 genes, including 35 protein-coding genes, three rRNAs, 25 tRNAs, and three open reading frames (orfs). The overall AT content is 64.73%, showing a higher AT content. The gene content and gene sequence are consistent with those reported varieties and cultivars of Saccharina. Chinese main Saccharina cultivars are analyzed by phylogenetic analysis. It indicates that ‘Dongfang No.3’ has a close relationship with Saccharina japonica, which strongly supports its genetic origin. The complete mitogenome analysis in this work would help in understanding the genetic background of Chinese Saccharina cultivars.
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