Genome assembly and multi-omics analyses of Isodon lophanthodies provide insights into the distribution of medicinal metabolites induced by exogenous methyl jasmonate
文献类型： 外文期刊
作者： Liu, Jieying 1 ; Xu, Shiqiang 1 ; Li, Fangping 1 ; Zhang, Long 1 ; Gan, Zhenpeng 2 ; Chen, Jiaxuan 2 ; Luo, Wei 1 ; Wang, Shaokui 2 ; Wang, Jihua 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Crop Res Inst, Guangdong Prov Key Lab Crops Genet & Improvement, Guangzhou 510640, Peoples R China
2.South China Agr Univ, Guangdong Prov Key Lab Plant Mol Breeding, State Key Lab Conservat & Utilizat Subtrop Agrobio, Guangzhou 510642, Peoples R China
3.Guangdong Prov Engn & Technol Res Ctr Conservat &, Guangzhou 510640, Peoples R China
关键词： Isodon lophanthodies; Genome assembly; Medicinal metabolites; Methyl jasmonate
期刊名称：BMC PLANT BIOLOGY （ 影响因子：4.8； 五年影响因子：5.4 ）
ISSN： 1471-2229
年卷期： 2024 年 24 卷 1 期
页码：
收录情况： SCI
摘要： Background Isodon lophanthodies is a perennial herb and the whole plant has medicinal value distributed in southern China and southeast Asia. The absence of a reference genome has hindered evolution and genomic breeding research of this species. Results: In this study, we present a high-quality, chromosome-level genome assembly of I. lophanthodies with integrating PacBio and Hi-C sequencing data. We assembled a genome of 412.78 Mb with a scaffold N50 of similar to 33.43 Mb, organized into 12 pseudochromosomes. This assembly includes 36,324 genes and 209.51 Mb of repetitive sequences. Phylogenetic analysis revealed that I. lophanthodies and its sister species Isodon rubescens diverged approximately 9.99 million years ago (MYA), and shared a recent whole-genome duplication (WGD) event. Combined with the gene expression profile and metabolite fluctuation in response to methyl jasmonate, two key enzymes involved in salicin synthesis pathway were further identified. Conclusions: This genome assembly provides an essential reference for future research on I. lophanthodies, and enhances our understanding of salicin synthesis and medicinal metabolite profiles in response to exogenous methyl jasmonate.
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