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Updated: Jan 7, 2026

Transforming, Genome Editing and Phenotyping the Nitrogen-fixing Tropical Cannabaceae Tree Parasponia andersonii
Published on: August 18, 2019
The complete chloroplast genome and phylogenetic analysis of Gymnosphaera andersonii (Cyatheaceae)
Xiong Li1,2, Yong-Ling Qiu1, Nan-Fei Wu3
1Mountain Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China.
Abstract:
This study assembles the first complete chloroplast genome of Gymnosphaera andersonii. The circular genome spans 155,232 bp with a GC content of 40.64%, comprising a large single-copy (85,843 bp), a small single-copy (21,607 bp), and two inverted repeats (23,891 bp). It harbors 125 genes, including 85 protein-coding genes, 32 tRNA genes, and eight rRNA genes. Phylogenetic analysis within the Cyatheaceae family reveals that G. andersonii forms a sister clade to G. khasiana. These findings provide critical genomic insights into the evolutionary relationships of Cyatheaceae and establish a foundation for future conservation and biogeographic studies of G. andersonii.
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