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Complete chloroplast genome of Austral king fern Todea barbara (L.) Moore (Osmundaceae).


ABSTRACT: In this study, we determined the chloroplast genome sequence of the Austral king fern, Todea barbara (L.) Moore. The plastome of T. barbara is a typical circular form composed of 144,208 bp with two inverted repeats (IRs; 10,442 bp), a large single copy (LSC; 101,059 bp), and a small single copy (SSC; 22,265 bp). The complete sequence comprises 131 genes, namely 85 protein-coding genes, eight ribosomal RNAs, and 38 transfer RNAs. The guanine-cytosine (GC) content of the genome was found to be 39.9%. Additionally, U-to-C RNA editing sites were identified in eight genes: atpE, chlB, clpP, matK, rpl20, rpoB, rpoC1, and rpoC2. Phylogenetic analysis using 85 coding gene sequences revealed that the genera Todea and Osmunda form a clade and that the genus Osmundastrum is a sister genus to both.

SUBMITTER: Kim HT 

PROVIDER: S-EPMC10399469 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Complete chloroplast genome of Austral king fern <i>Todea barbara</i> (L.) Moore (Osmundaceae).

Kim Hyoung Tae HT   Kim Jung Sung JS  

Mitochondrial DNA. Part B, Resources 20230802 8


In this study, we determined the chloroplast genome sequence of the Austral king fern, <i>Todea barbara</i> (L.) Moore. The plastome of <i>T. barbara</i> is a typical circular form composed of 144,208 bp with two inverted repeats (IRs; 10,442 bp), a large single copy (LSC; 101,059 bp), and a small single copy (SSC; 22,265 bp). The complete sequence comprises 131 genes, namely 85 protein-coding genes, eight ribosomal RNAs, and 38 transfer RNAs. The guanine-cytosine (GC) content of the genome was  ...[more]

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