Transcriptome Analysis of Schisandra sphenanthera Discovers Putative Lignan Biosynthesis Genes and Genetic Markers. | [Pakistan Journal of Botany • 2018]

Author(s):

1. SEN WANG: College of Forestry, Central South University of Forestry and Technology,Changsha, 410004, Hunan,People's Republic of China

2. ZHEN ZHANG: College of Forestry, Central South University of Forestry and Technology,Changsha, 410004, Hunan,People's Republic of China

3. WAN-LING SONG: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

4. NI-HAO JIANG: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

5. FENG-XIA SHAO: College of Forestry, Central South University of Forestry and Technology,Changsha, 410004, Hunan,People's Republic of China

6. SHENG-CHAO YANG: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

7. FANG-DE LV: College of Forestry, Central South University of Forestry and Technology,Changsha, 410004, Hunan,People's Republic of China

8. GUANG-HUI ZHANG: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

9. CHUN-HUA MA: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

10. JUN-WEN CHEN: Yunnan Agricultural University National & Local Joint Engineering Research Center on Gemplasm Utilization & Innovation of Chinese Medicinal Materials in Southwest China,Kunming, 650201, Yunnan,People's Republic of China

Abstract:

Based on the transcriptional analysis of Schisandra sphenanthera Rehd. Et Wils., a total of 129,951 assembled unigenes were obtained. This article found some cytochrome P450 enzymes (CYP450), such as CYP81Q1 (piperitol/sesamin synthase, PSS), CYP719A24 and CYP71923 catalyze the formation of two methylenedioxy bridges in sesamin and podophyllotoxin biosynthesis, respectively. The candidates of these CYP450s and O-methyltransferase (OMT) genes that catalyze lignanO-methylation have also discovered from the transcriptome database of S. sphenanthera, indicating that dibenzocyclooctadiene-type lignan might be biosynthesized in the similar pathways of sesamin and podophyllotoxin. Moreover, cloning and functional characterization of those genes will help us to illuminate the biosynthesis mechanisms of dibenzocyclooctadiene-type lignan. Additionally, twenty sets of primers for SSR were chosen in random for validating the polymorphism and amplification. The results showed that 18 (90.00%) primer pairs could be amplified successfully and 15 (83.33%) primer pairs exhibited polymorphisms.This study represents the first report to analyze the transcriptome of S. sphenanthera using high-throughput RNA-seq technology. These data will enrich the genomic data and provide a solid evidence for functional genomics and molecular genetic researching in this herb.

Page(s): 1047-1059

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 50, Issue: 3, Year: 2018

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