丁香属次生代谢产物及其与系统演化和地理环境的关联

环境塑造的植物次生代谢产物富于变化，也可能带有系统演化的信息。由于完整或具有系统学代表性的专属植物收集存在较大困难，使得次生代谢产物与系统学的关联研究尚不多见。通过文献汇总获得了存在于丁香属(Syringa)植物根、茎、叶和花中的10类377个次生代谢产物，主要涉及甲戊二羟酸途径、脱氧木酮糖磷酸酯途径以及莽草酸途径。在...

Secondary Metabolites of Syringa and the Linking with Phylogenetic Evolution and Geographical Distributions

Secondary metabolites of plants induced by environmental factors are highly variable, but the given metabolic pathways may have some phylogenetic implications. Due to the difficulty in complete and systematic collections in certain plant groups, the research on the correlation between secondary metabolites and phylogeny is limited. Based on the published papers, 377 secondary metabolites in the roots, stems, leaves and flowers of Syringa were collected, which mainly derived from the mevalonic acid pathway, deoxyxylulose-5-P pathway and shikimic acid pathway. After superimposing phylogenetic background, we found that dominance of a given type of secondary metabolites was high for the firstly diverged series, and the dominance declined for subsequently diverged series with the increase of chemical diversity. Phenylpropanoids and iridoids/secoiridoids were phylogenetically conserved. After superimposing geographical distributions, we found that some local species which were lately diverged had more diverse secondary metabolites compared with widespread species firstly diverged. The high proportion of lignans was highly related to the environmental pressure. This review provided a new clue for the systematic study on the variation pattern of chemical diversity in the taxa within genus in the light of evolution.