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<p>Although <i>Brownlowia tersa</i> and <i>Brownlowia argentata</i> are classified as near-threatened and data-deficient mangrove species, respectively, their genomic resources remain limited. Here, we present chromosome-level genome assemblies for both species and a SNP data for <i>B. tersa</i> in Thailand. The assembled genomes of <i>B. tersa</i> and <i>B. argentata</i> are 392.91 Mb and 395.11 Mb in size, with scaffold N50 values of 25.70 Mb and 26.03 Mb, respectively. Both genomes showed approximately 98% complete BUSCOs and LAI scores of 10. Approximately 96% of each assembly was anchored to 14 pseudochromosomes. Repetitive elements comprised approximately 45% of both genomes, including 25% unclassified repeats. A total of 31,864 and 28,920 protein-coding genes were predicted in <i>B. tersa</i> and <i>B. argentata</i>, respectively, of which approximately 88% were functionally annotated and 90% were complete BUSCOs. Additionally, 1,196 and 1,222 ncRNAs were identified in <i>B. tersa</i> and <i>B. argentata</i>, respectively. SNP data from 37 <i>B. tersa</i> accessions were also generated. These genome assemblies and the SNP dataset provide valuable resources for studying mangrove evolution and conservation.</p>

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Chromosome-level genome assemblies of Brownlowia tersa and Brownlowia argentata (Brownlowioideae: Malvaceae)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月30日

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  • Panthita Ruang-areerate,
  • Duangjai Sangsrakru,
  • Poompat Phadphon,
  • Chutima Sonthirod,
  • Chaiwat Naktang,
  • Wasitthee Kongkachana,
  • Nukoon Jomchai,
  • Tamanai Pravinvongvuthi,
  • Sumet Thongdon-um,
  • Poonsri Wanthongchai,
  • Sithichoke Tangphatsornruang,
  • Wirulda Pootakham

摘要

Although Brownlowia tersa and Brownlowia argentata are classified as near-threatened and data-deficient mangrove species, respectively, their genomic resources remain limited. Here, we present chromosome-level genome assemblies for both species and a SNP data for B. tersa in Thailand. The assembled genomes of B. tersa and B. argentata are 392.91 Mb and 395.11 Mb in size, with scaffold N50 values of 25.70 Mb and 26.03 Mb, respectively. Both genomes showed approximately 98% complete BUSCOs and LAI scores of 10. Approximately 96% of each assembly was anchored to 14 pseudochromosomes. Repetitive elements comprised approximately 45% of both genomes, including 25% unclassified repeats. A total of 31,864 and 28,920 protein-coding genes were predicted in B. tersa and B. argentata, respectively, of which approximately 88% were functionally annotated and 90% were complete BUSCOs. Additionally, 1,196 and 1,222 ncRNAs were identified in B. tersa and B. argentata, respectively. SNP data from 37 B. tersa accessions were also generated. These genome assemblies and the SNP dataset provide valuable resources for studying mangrove evolution and conservation.