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To explore the relationship between the expression of psoralen synthase gene (PS) and psoralen synthesis, quantitative real-time PCR (qPCR) and high performance liquid chromatography (HPLC) were used to determine the expression of PS and the content of psoralen in roots, stems, leaves and fruits of Ficus hirta Vahl (FH) from Guangxi and Fujian. PS was expressed in roots, stems, leaves and fruits of Guangxi and Fujian FH, and the expression was tissue-specific. The relative expression level in roots was the highest (expression in branch roots was higher than that in principal roots), followed by leaves (expression in entire margined leaves were higher than that in incised leaves), and the expression levels in stems and fruits were extremely low. The psoralen contents of FH had some differences from the two producing areas. They were accumulated in the principal root, branch root, entire margined leaf, incised leaf, stem and fruit from Guangxi and Fujian provinc FH, and the contents were the highest in branch roots, which was 3.206 mg/g and 2.947 mg/g respectively, followed by principal root (2.136 mg/g and 0.419 mg/g). The content in incised leaves was 0.022 mg/g and 0.028 mg/g respectively, that in entire margined leaves was 0.069 mg/g and 0.035 mg/g. The psoralen content of stem (0.003 mg/g and 0.003 mg/g) and fruit (0.002 mg/g and 0.001 mg/g) was lower than other parts. The psoralen content was correlated with the expression of PS. The study would provide insights into understanding the role of PS in the psoralen metabolic in Ficus hirta Vahl.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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