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<p>The rapid decline in global biodiversity highlights the urgent need for conservation efforts, with botanical gardens playing a crucial role in <i>ex situ</i> plant preservation. Monumental plants, such as the 400-year-old Goethe’s Palm (<i>Chamaerops humilis</i> L.) at the Padua Botanical Garden serve as vital flagship species with significant ecological and cultural value. In this study, we present the first chromosome-level genome assembly of <i>C. humilis</i>, using PacBio HiFi and Arima Hi-C sequencing technologies. The assembled genome spans 4.41 Gbp with a scaffold N50 length of 195 Mbp and it includes 18 pseudo-chromosomes. Repetitive elements constituted approximately 88% of the genome, with Long Terminal Repeats (LTR) alone comprising 63%. A total of 28,321 protein-coding genes were predicted and annotated. The Goethe’s Palm genome assembly is a valuable resource for exploring both its cultural and historical significance, as well as the genetic basis of adaptive traits that allow this palm to thrive in Mediterranean environments.</p>

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Chromosome-level assembly of the 400-year-old Goethe’s Palm (Chamaerops humilis L.)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月10日

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  • Núria Beltran-Sanz,
  • Stefan Prost,
  • Veronica Malavasi,
  • Silvia Moschin,
  • Carola Greve,
  • Tilman Schell,
  • Tomas Morosinotto,
  • Francesco Dal Grande

摘要

The rapid decline in global biodiversity highlights the urgent need for conservation efforts, with botanical gardens playing a crucial role in ex situ plant preservation. Monumental plants, such as the 400-year-old Goethe’s Palm (Chamaerops humilis L.) at the Padua Botanical Garden serve as vital flagship species with significant ecological and cultural value. In this study, we present the first chromosome-level genome assembly of C. humilis, using PacBio HiFi and Arima Hi-C sequencing technologies. The assembled genome spans 4.41 Gbp with a scaffold N50 length of 195 Mbp and it includes 18 pseudo-chromosomes. Repetitive elements constituted approximately 88% of the genome, with Long Terminal Repeats (LTR) alone comprising 63%. A total of 28,321 protein-coding genes were predicted and annotated. The Goethe’s Palm genome assembly is a valuable resource for exploring both its cultural and historical significance, as well as the genetic basis of adaptive traits that allow this palm to thrive in Mediterranean environments.