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Title： Transcriptome analysis reveals novel insights into the continuous cropping induced response in Codonopsis tangshen, a medicinal herb
Authors：
Corresponding Author： He, Yinsheng; Zhang, Meide; Zhou, Wuxian; Ai, Lunqiang; You, Jinwen; Liu, Haihua; You, Jingmao; Wang, Hua; Wassie, Misganaw; Wang, Mo*; Li, Huiying*.
Pubyear： 2019
Title of Journal： Plant Physiology and Biochemistry
Paper Code：
Volume： 141
Number：
Page： 279-290
Others：
Classification：
Source：

Codonopsis tangshen Oliv. (C. tangshen Oliv.), a famous medicinal herb in China, is seriously affected by continuous cropping (C-cro). The physiological and biochemical results indicated that C-cro significantly affected the malonaldehyde (MDA) and chlorophyll content, as well as activities of catalase (CAT) and superoxide dis-mutase (SOD) when compared with the non-continuous cropping (NC-cro) group. Transcriptome profiling found 762 differentially expressed genes, including 430 up-regulated and 332 down-regulated genes by C-cro. In addition, pathway enrichment analysis revealed that genes related to 'Tyrosine degradation I', 'Glycogen synthesis' and 'Phenylalanine and tyrosine catabolism' were up-regulated, and genes associated with 'Signal transduction', 'Immune system', etc. were down-regulated by C-cro. The expression of target genes was further validated by Q-PCR. In this study, we demonstrated the effects of C-cro on C. tangshen at the transcriptome level, and found possible C-cro responsive candidate genes. These findings could be further beneficial for improving the continuous cropping tolerance.