High-quality genome assembly of an important biodiesel plant, Euphorbia lathyris L
Wang, Mingcheng1; Gu, Zhijia2; Fu, Zhixi3; Jiang, Dechun4
通讯作者Jiang, Dechun(jiangdc@cib.ac.cn)
2021-10-11
发表期刊DNA RESEARCH
ISSN1340-2838
卷号28期号:6页码:8
摘要Caper spurge, Euphorbia lathyris L., is an important energy crop and medicinal crop. Here, we generated a high-quality, chromosome-level genome assembly of caper spurge using Oxford Nanopore sequencing, Illumina sequencing, and Hi-C technology. The final genome assembly was similar to 988.9 Mb in size, 99.8% of which could be grouped into 10 pseudochromosomes, with contig and scaffold N50 values of 32.6 and 95.7 Mb, respectively. A total of 651.4 Mb repetitive sequences and 36,342 protein-coding genes were predicted in the genome assembly. Comparative genomic analysis showed that caper spurge and castor bean clustered together. We found that no independent whole-genome duplication event had occurred in caper spurge after its split from the castor bean, and recent substantial amplification of long terminal repeat retrotransposons has contributed significantly to its genome expansion. Furthermore, based on gene homology searching, we identified a number of candidate genes involved in the biosynthesis of fatty acids and triacylglycerols. The reference genome presented here will be highly useful for the further study of the genetics, genomics, and breeding of this high-value crop, as well as for evolutionary studies of spurge family and angiosperms.
关键词caper spurge biodiesel plant genome assembly nanopore sequencing oil metabolism
DOI10.1093/dnares/dsab022
收录类别SCI ; SCI
语种英语
WOS记录号WOS:000812770200004
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/73834
专题中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者Jiang, Dechun
作者单位1.Chengdu Univ, Inst Adv Study, Chengdu 610106, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
3.Sichuan Normal Univ, Coll Life Sci, Chengdu 610101, Peoples R China
4.Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Conservat Key Lab Sichuan Prov, Chengdu 610041, Peoples R China
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Wang, Mingcheng,Gu, Zhijia,Fu, Zhixi,et al. High-quality genome assembly of an important biodiesel plant, Euphorbia lathyris L[J]. DNA RESEARCH,2021,28(6):8.
APA Wang, Mingcheng,Gu, Zhijia,Fu, Zhixi,&Jiang, Dechun.(2021).High-quality genome assembly of an important biodiesel plant, Euphorbia lathyris L.DNA RESEARCH,28(6),8.
MLA Wang, Mingcheng,et al."High-quality genome assembly of an important biodiesel plant, Euphorbia lathyris L".DNA RESEARCH 28.6(2021):8.
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