ArticleBMC research notes2025
The chloroplast genome of Taxus sumatrana, an endangered medicinal tree from Indonesia.
Article in BMC research notes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
objectivesTaxus sumatrana is an endangered and medicinally important gymnosperm native to Southeast Asia, facing increasing threats due to overexploitation and habitat loss. Despite its ecological and pharmacological significance, its chloroplast (cp.) genome remains poorly characterized. This study aims to report the complete cp. genome of T. sumatrana, providing a comprehensive analysis of its structure, gene content, and phylogenetic placement. The findings offer valuable genomic resources to support future research in plant evolution and conservation.
resultThe circular cp. genome of T. sumatrana is 129,227 bp in length. Consistent with other members of the Taxus genus, it lacks the typical inverted repeat (IR) regions commonly found in chloroplast genomes. A total of 119 genes were annotated, including 81 protein-coding genes, 34 transfer RNAs (tRNAs), and 4 ribosomal RNAs (rRNAs). Among 118 genes, 15 genes are containing introns. Additionally, 115 simple sequence repeats (SSRs) were identified, with mononucleotide repeats being the most abundant (77.4%). Phylogenetic analysis based on 24 complete cp. genomes showed that T. sumatrana is most closely related to T. mairei, forming a strongly supported clade within the Taxus genus.
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