Integrated Transcriptome–Metabolome Analysis of Differential Steroidal Saponin Accumulation and Candidate Biosynthetic Genes in Polygonatum cyrtonema
Polygonatum cyrtonema is a traditional medicinal and edible plant, and steroidal saponins are among its major bioactive constituents. However, the molecular basis of their tissue-specific accumulation remains unclear. In this study, integrated metabolomic and transcriptomic analyses were performed on multiple tissues o...