Chromosome level genome assembly of endangered medicinal plant Anisodus tanguticus

Author:

Song YongliORCID,Huang Jian-Ping,Wang Yong-JiangORCID,Huang Sheng-XiongORCID

Abstract

AbstractAnisodus tanguticus is a medicinal herb that belongs to the Anisodus genus of the Solanaceae family. This endangered herb is mainly distributed in Qinghai–Tibet Plateau. In this study, we combined the Illumina short-read, Nanopore long-read and high-throughput chromosome conformation capture (Hi-C) sequencing technologies to de novo assemble the A. tanguticus genome. A high-quality chromosomal-level genome assembly was obtained with a genome size of 1.26 Gb and a contig N50 of 25.07 Mb. Of the draft genome sequences, 97.47% were anchored to 24 pseudochromosomes with a scaffold N50 of 51.28 Mb. In addition, 842.14 Mb of transposable elements occupying 66.70% of the genome assembly were identified and 44,252 protein-coding genes were predicted. The genome assembly of A. tanguticus will provide genetic repertoire to understand the adaptation strategy of Anisodus species in the plateau, which will further promote the conservation of endangered A. tanguticus resources.

Funder

National Natural Science Foundation of China

National Key R&D Program of China; Yunnan Revitalization Talent Support Program "Yunling Scholar" Project

Publisher

Springer Science and Business Media LLC

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