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Comprehensive analysis of Panax ginseng root transcriptomes
Murukarthick Jayakodi1, Sang-Choon Lee2, Yun Sun Lee3
1Department of Plant Science, Plant Genomics and Breeding Institute, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea. murukarthick@snu.ac.kr.
BMC Plant Biology
|June 12, 2015
Summary
This study reveals novel gene sequences in Korean ginseng roots using RNA sequencing. The findings offer insights into the plant
Area of Science:
- * Plant genomics and transcriptomics
- * Molecular biology of medicinal plants
Background:
- * Korean ginseng (Panax ginseng) is a valuable medicinal plant known for its ginsenoside content.
- * Ginsenosides possess diverse pharmacological activities, making ginseng roots commercially important for crude drugs.
Purpose of the Study:
- * To characterize the root transcriptome of Panax ginseng.
- * To identify genes involved in development and secondary metabolite biosynthesis, particularly ginsenosides.
Main Methods:
- * High-throughput RNA sequencing using the Illumina platform.
- * De novo assembly and reference-assisted selection of transcripts.
- * Digital gene expression profiling and functional annotation.
Main Results:
- * Generated over 232 million RNA sequencing reads from four distinct root samples.
- * Assembled a non-redundant unigene set of 55,949 transcripts, with 28.6% novel sequences.
- * Identified 364 differentially expressed genes, including 38 involved in ginsenoside biosynthesis and 189 UDP-glycosyltransferases.
Conclusions:
- * The study provides a comprehensive root transcriptome dataset for Panax ginseng.
- * Offers new insights into the genetic regulation of root development and ginsenoside production.
- * Highlights the potential for discovering novel genes related to secondary metabolism.
