De novo genome assembly of the floating-hook moss Warnstorfia fluitans

The first de novo genome assembly of the floating-hook moss Warnstorfia fluitans totals 725.04 Mb with N50 193.5 kb and 97.6% BUSCO completeness for Viridiplantae.

• Why it matters: Genomic tools are needed to study how Warnstorfia fluitans thrives in cold, acidic, nutrient-poor aquatic habitats and to support bioremediation research in cold climates.
• What they did: The authors assembled pooled male and female gametophytes and evaluated assembly quality using Merqury (quality value 37; completeness 92%) plus BUSCO and gene prediction completeness metrics.
• The result: They predicted 30,421 protein-coding genes, found 56.16% repetitive sequences, and generated two complete circular chloroplast genomes and a linear mitochondrial genome, enabling adaptation and evolutionary studies in bryophytes.

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