Signal transduction of atractylodin biosynthesis in Atractylodes lancea cell induced by endophytic fungal elicitor mediated with nitric oxide followed by salicylic acid Endophytic fungal diversity of five dominant plant species in the dry-hot valley of Yuanjiang, Yunnan Province, China Establishment of suspension cell line of Atractylodes lancea and effect of endophytic fungal elicitors on its essential oil accumulation Effects of different chemotypes and seasonal dynamic variation on the species diversity of endophytic fungal communities harbored in Atractylodes lancea