Background: The genus in the Araliaceae family has been used as traditional medicinal plants worldwide and is known to biosynthesize ginsenosides and phytosterols. However, genetic variation between species has influenced their biosynthetic pathways is not fully understood.
Methods: Simultaneous analysis of transcriptomes and metabolomes obtained from adventitious roots of two tetraploid species ( and ) and two diploid species ( and ) revealed the diversity of their metabolites and related gene expression profiles.
Background: species are important herbal medicinal plants in the Araliaceae family. Recently, we reported the complete chloroplast genomes and 45S nuclear ribosomal DNA sequences from seven species, two ( and ) from North America and five ( , , , , and ) from Asia.
Methods: We conducted phylogenetic analysis of these chloroplast sequences with 12 other Araliaceae species and comprehensive comparative analysis among the seven whole chloroplast genomes.
We performed chloroplast genome sequencing and comparative analysis of two Rutaceae species, Zanthoxylum schinifolium (Korean pepper tree) and Z. piperitum (Japanese pepper tree), which are medicinal and culinary crops in Asia. We identified more than 837 single nucleotide polymorphisms and 103 insertions/deletions (InDels) based on a comparison of the two chloroplast genomes and developed seven DNA markers derived from five tandem repeats and two InDel variations that discriminated between Korean Zanthoxylum species.
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