ArticlePlanta2026
Genomic characterization, annotation, and comparative analysis of Ludisia discolor reveal its evolutionary and functional traits.
Article in Planta, 2026. 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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8 authors.
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Abstract
MAIN
conclusionThe high-quality L. discolor genome clarifies orchid phylogeny and provides immediate targets for breeding and biosynthetic engineering of medicinal metabolites. Ludisia discolor is a valued orchid for ornamental veined foliage and documented medicinal uses, yet genomic resources are lacking. We generated the first chromosome-level assembly of 696.37 Mb with scaffold N50 33.14 Mb and 94.55% BUSCO completeness by integrating PacBio HiFi, Hi-C and Illumina reads; 91.86% of sequences were anchored to 22 chromosomes. Annotation yielded 20,552 protein-coding genes and 70.9% repetitive content dominated by LTR-retrotransposons. Comparative analysis revealed 157 species-specific gene families and significant expansion of terpenoid and flavonoid biosynthetic clusters, supporting its pharmacological potential. Phylogenomics placed Ludisia sister to Platanthera (Orchidoideae) with divergence ~ 39.5 Mya. Positive selection was detected in 123 genes enriched for chromatin remodeling and nuclear transport, reflecting adaptation to shaded, nutrient-limited habitats. This reference genome provides a foundational resource for understanding orchid evolution, molecular breeding, and metabolic engineering of bioactive compounds in L. discolor.
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