Gapless Genome Assembly of ZH8015 and Preliminary Multi-Omics Analysis to Investigate ZH8015's Responses Against Brown Planthopper Infestation
文献类型: 外文期刊
作者: Li Dian;Duan Wenjing;Liu Qun'en;Wu Weixun;Zhan Xiaodeng;Sun Lianping;Zhang Yingxin;Cheng Shihua
作者机构:
关键词: brown planthopper;gapless genome;genome assembly;multi-omics;Nilaparvata lugens;rice
期刊名称: Rice Science
ISSN: 1672-6308
年卷期: 2024 年 31 卷 3 期
页码:
收录情况: SCIE(2024版) ; ; CSCD(2023-2024年度) ; ; 科技核心(2024版) ; ; 农林核心(2020版)
摘要: Accurate genomic information is essential for advancing genetic breeding research in specific rice varieties. This study presented a gapless genome assembly of the indica rice cultivar Zhonghui 8015 (ZH8015) using PacBio HiFi, Hi-C, and ONT (Oxford Nanopore Technologies) ultra-long sequencing technologies, annotating 43 037 gene structures. Subsequently, utilizing this genome along with transcriptomic and metabolomic techniques, we explored ZH8015's response to brown planthopper (BPH) infestation. Continuous transcriptomic sampling indicated significant changes in gene expression levels around 48 h after BPH feeding. Enrichment analysis revealed particularly significant alterations in genes related to reactive oxygen species scavenging and cell wall formation. Metabolomic results demonstrated marked increases in levels of several monosaccharides, which are components of the cell wall and dramatic changes in flavonoid contents. Omics association analysis identified differentially expressed genes associated with key metabolites, shedding light on ZH8015's response to BPH infestation. In summary, this study constructed a reliable genome sequence resource for ZH8015, and the preliminary multi-omics results will guide future insect-resistant breeding research.
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