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Published on: March 8, 2018
Telomere-to-telomere genome assembly of Oldenlandia diffusa
Yubang Gao1,2, DanDan Xu1, Zehua Hu1
1School of Life Sciences and Agricultural Engineering, Nanyang Normal University, Nanyang, Henan 473061, China.
Abstract:
We report the complete telomere-to-telomere genome assembly of Oldenlandia diffusa which renowned in traditional Chinese medicine, comprising 16 chromosomes and spanning 499.7 Mb. The assembly showcases 28 telomeres and minimal gaps, with a total of only five. Repeat sequences constitute 46.41% of the genome, and 49,701 potential protein-coding genes have been predicted. Compared with O. corymbosa, O. diffusa exhibits chromosome duplication and fusion events, diverging 20.34 million years ago. Additionally, a total of 11 clusters of terpene synthase have been identified. The comprehensive genome sequence, gene catalog, and terpene synthase clusters of O. diffusa detailed in this study will significantly contribute to advancing research in this species' genetic, genomic, and pharmacological aspects.
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