您好,欢迎访问广东省农业科学院 机构知识库!

The complete chloroplast genome sequence of the medicinal plant Abrus pulchellus subsp. cantoniensis: genome structure, comparative and phylogenetic relationship analysis

文献类型: 外文期刊

作者: Xu, Shiqiang 1 ; Sun, Mingyang 1 ; Mei, Yu 1 ; Gu, Yan 1 ; Huang, Ding 2 ; Wang, Jihua 1 ;

作者机构: 1.Guangdong Acad Agr Sci, Crops Res Inst, Guangdong Prov Key Lab Crops Genet & Improvement, 18 West Second St,Jinying Rd, Guangzhou 510640, Guangdong, Peoples R China

2.Guangxi Univ Chinese Med, Coll Pharm, 13 Wuhe Ave, Nanning 530200, Guangxi Zhuang, Peoples R China

3.Guangdong Prov Engn & Technol Res Ctr Conservat &, Guangzhou, Peoples R China

关键词: Abrus pulchellus subsp; cantoniensis; Chloroplast genome; Phylogenetic analysis; Structural characteristics

期刊名称:JOURNAL OF PLANT RESEARCH ( 影响因子:3.0; 五年影响因子:3.157 )

ISSN: 0918-9440

年卷期: 2022 年 135 卷 3 期

页码:

收录情况: SCI

摘要: Abrus pulchellus subsp. cantoniensis, an endemic medicinal plant in southern China, is clinically used to treat jaundice hepatitis, cholecystitis, stomachache and breast carbuncle. Here, we assembled and analyzed the first complete chloroplast (cp) genome of A. pulchellus subsp. cantoniensis. The A. pulchellus subsp. cantoniensis cp genome size is 156,497 bp with 36.5% GC content. The cp genome encodes 130 genes, including 77 protein-coding genes, 30 tRNA genes and four rRNA genes, of which 19 genes are duplicated in the inverted repeats (IR) regions. A total of 30 codons exhibited codon usage bias with A/U-ending. Moreover, 53 putative RNA editing sites were predicted in 20 genes, all of which were cytidine to thymine transitions. Repeat sequence analysis identified 45 repeat structures and 125 simple-sequence repeats (SSRs) in A. pulchellus subsp. cantoniensis cp genome. In addition, 19 mononucleotides (located in atpB, trnV-UAC, ycf3, atpF, rps16, rps18, clpP, rpl16, trnG-UCC and ndhA) and three compound SSRs (located in ndhA, atpB and rpl16) showed species specificity between A. pulchellus subsp. cantoniensis and Abrus precatorius, which might be informative sources for developing molecular markers for species identification. Furthermore, phylogenetic analysis inferred that A. pulchellus subsp. cantoniensis was closely related to A. precatorius, and the genus Abrus formed a subclade with Canavalia in the Millettioid/Phaseoloid clade. These data provide a valuable resource to facilitate the evolutionary relationship and species identification of this species.

  • 相关文献
作者其他论文 更多>>