Codium fragile, a nutrient-rich green algae that is both edible and medicinal, it is called a 'rat tail' because of its unique shape, it can reach up to a metre in length and has the functions of clearing heat and detoxifying, detumescence and water, and repelling insects. The plastid genome sequence of C. fragile is 83,422 bp. A total of 105 genes were determined, including 77 protein-encoding genes, 3 rRNA genes, and 25 tRNA genes. Phylogenetic analysis showed that C. fragile clustered together into a single branch with C. simulans and Codium sp. 'arenicola' as sister branches. The plastid genome analysis will help the understanding of Chlorophyta evolution.
Keywords: Chlorophyta; Codium fragile; phylogenetic analysis; plastid genome.
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