Chromosome-level genome assembly of the crofton weed (Ageratina adenophora)
文献类型: 外文期刊
第一作者: Liu, Fuyan
作者: Liu, Fuyan;Li, Tingting;Pan, Yan;Zhang, Ying;Song, Weining;Liu, Fuyan;Li, Tingting;Pan, Yan;Zhang, Ying;Song, Weining;Liu, Fuyan;Wang, Hailing;Du, Lin;Liu, Bo;Guo, Jianyang;Wan, Fanghao;Zhang, Guifen;Zhang, Yibo;Liu, Wanxue;Wan, Fanghao;Li, Ruiying
作者机构:
期刊名称:SCIENTIFIC DATA ( 影响因子:6.9; 五年影响因子:8.7 )
ISSN:
年卷期: 2025 年 12 卷 1 期
页码:
收录情况: SCI
摘要: Crofton weed (Ageratina adenophora), a significant invasive species, extensively disrupts ecosystem stability, leading to considerable economic losses. However, genetic insights into its invasive mechanisms have been limited by a lack of genomic data. In this study, we present the successful de novo assembly of the triploid genome of A. adenophora, leveraging long-read PacBio Sequel, optical mapping, and Hi-C sequencing. Our assembly resolved into a haplotype-resolved genome comprising 51 chromosomes, with a total size of similar to 3.82 Gb and a scaffold N50 of 70.8 Mb. BUSCO analysis confirmed the completeness of 97.71% of genes. Genome annotation revealed 3.16 Gb (76.44%) of repetitive sequences and predicted 123,134 protein-coding genes, with 99.03% functionally annotated. The high-quality reference genome will provide valuable genomic resources for future studies on the evolutionary dynamics and invasive adaptations of A. adenophora.
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