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Structure, sequence and phylogenetic analysis of the complete chloroplast genome of the brown algae Saccharina sp. ye-E (Laminariaceae: Phaeophyceae) from Sakhalin Oblast, Russia

文献类型： 外文期刊

作者： Zhang, Wei 1 ; Liu, Ziwen 1 ; Fan, Xiao 2 ;

作者机构： 1.Chinese Acad Agr Sci, Grad Sch, Beijing, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao, Shangdong, Peoples R China

期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.6； 五年影响因子：0.6 ）

ISSN： 0792-156X

年卷期： 2023 年 75 卷

页码：

收录情况： SCI

摘要： For this investigation, the chloroplast genome of Saccharina sp. ye-E from Russia was uncovered and annotated with Illumina sequencing data to examine the phylogenetic relationship of Saccharina in Laminariaceae from a molecular biology perspective. Analysis of the structural characteristics, simple repeat sequence (SSR) loci, relative species differences, codon preference, and phylogenetic relationships was conducted. The results revealed that the chloroplast genome of Saccharina sp. ye-E had a length of 130,624 bp, containing 139 protein-coding genes (PCGs), 6 ribosomal RNAs (rRNAs) and 57 transfer RNAs (tRNAs) genes, and a total GC content of 31.1%. There were 15 SSR loci in the genome. Effective codon number (ENC) and codon adaptation index (CAI) both indicated the strong codon randomness and codon preference. The phylogenetic tree, based on the complete chloroplast genomes of 10 brown algae, showed that four species of Saccharina genus formed a clade, with Saccharina sp. ye-E and Saccharina latissimi having the most related genetic affinity. It is believed that the determination of the chloroplast genome of Saccharina sp. ye-E will be beneficial for future algal genetics evolution and systematic studies in the Laminariaceae.

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