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Complete genome sequence and phylogenetic analysis of medicinal plant Abrus cantoniensis for evolutionary research and germplasm utilization

文献类型： 外文期刊

作者： Xu, Shiqiang 1 ; Li, Fangping 1 ; Wu, Bingqi 1 ; Mei, Yu 1 ; Wang, Jingming 1 ; 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.Guangdong Prov Engn & Technol Res Ctr Conservat &, Guangzhou 510640, Peoples R China

3.South China Agr Univ, Integrat Microbiol Res Ctr, Guangdong Prov Key Lab Microbial Signals & Dis Co, Guangzhou 510642, Peoples R China

期刊名称：PLANT GENOME （ 影响因子：4.219； 五年影响因子：5.826 ）

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收录情况： SCI

摘要： Abrus cantoniensis Hance, a native medicinal plant in southern China, is officially recorded in the Chinese Pharmacopoeia. Here, we presented the first high-quality genome in Abrus genus, A. cantoniensis genome, as well as the detailed genomic information. The assembled genome size was 381.27 Mb with a scaffold N50 of 18.95 Mb, and 98.97% of the assembled sequences were anchored on 11 pseudochromosomes. The A. cantoniensis genome comprised 25,058 protein-coding genes and 45.12% of the assemblies were repetitive sequences. Comparative genome analysis suggested that chromosome translocation and inversion played an important role in the differentiation of Abrus. In addition, 24 toxin-related genes were identified, which formed two tandem gene clusters on chromosomes 2 and 3. The chromosome-level genome of A. cantoniensis obtained in this work provides a valuable resource for understanding the evolution, active ingredient biosynthesis, and genetic improvement for A. cantoniensis and Abrus species.

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