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Updated: Jun 17, 2025

High-throughput Physical Mapping of Chromosomes using Automated in situ Hybridization
Published on: June 28, 2012
Chromosome-level and haplotype-resolved genome assembly of Dracaena cambodiana (Asparagaceae)
Bao-Zheng Chen1,2, Da-Wei Li2, Wei-Jia Wang3
1College of Food Science and Technology, Yunnan Agricultural University, Kunming, Yunnan, 650201, China.
Abstract:
Dracaena cambodiana Pierre ex Gagn. (Asparagaceae) is the source plant of Dragon's blood and has high ornamental values in gardening. Currently, this species is classified as the second-class state-protected species in the National Key Protected Wild Plants (NKPWP) of China. However, limited genomic data has hindered a more comprehensive scientific understanding of the processes involved in the production of Dragon's blood and the related conservation genomics research. In this study, we assembled a haplotype-resolved genome of D. cambodiana. The haploid genomes, haplotype A and haplotype B, are 1,015.22 Mb and 1,003.13 Mb in size, respectively. The completeness of haplotype A and haplotype B genomes was 98.60% and 98.20%, respectively, using the "embryophyta_10" dataset. Haplotype A and haplotype B genomes contained 27,361 and 27,066 protein-coding genes, respectively, with nearly all being functionally annotated. These findings provide new insights into the genomic characteristics of D. cambodiana and will offer additional genomic resources for studying the biosynthesis mechanism of Dragon's blood and the horticultural application of Dragon trees.
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