Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 18, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/ijms18091839
Keywords
Aristolochia debilis; Aristolochia contorta; chloroplast genome; molecular structure; phylogenetic analyses
Funding
- Chinese Academy of Medical Sciences (CAMS) Innovation Fund for Medical Sciences (CIFMS) [2016-I2M-3-016]
- Major Scientific and Technological Special Project for Significant New Drugs Creation [2014ZX09304307001]
- Key Projects in the National Science and Technology Pillar Program [2011BAI07B08]
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The family Aristolochiaceae, comprising about 600 species of eight genera, is a unique plant family containing aristolochic acids (AAs). The complete chloroplast genome sequences of Aristolochia debilis and Aristolochia contorta are reported here. The results show that the complete chloroplast genomes of A. debilis and A. contorta comprise circular 159,793 and 160,576 bp-long molecules, respectively and have typical quadripartite structures. The GC contents of both species were 38.3% each. A total of 131 genes were identified in each genome including 85 protein-coding genes, 37 tRNA genes, eight rRNA genes and one pseudogene (ycf1). The simple-sequence repeat sequences mainly comprise A/T mononucletide repeats. Phylogenetic analyses using maximum parsimony (MP) revealed that A. debilis and A. contorta had a close phylogenetic relationship with species of the family Piperaceae, as well as Laurales and Magnoliales. The data obtained in this study will be beneficial for further investigations on A. debilis and A. contorta from the aspect of evolution, and chloroplast genetic engineering.
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