HE Jiawei,ZHANG Jingyu,ZENG Juan,et al.Key Genes in Phenylpropanoid Biosynthesis Pathway of Lonicera macranthoides Based on Transcriptome and Metabolome Conjoint Analysis[J].Chinese Journal of Experimental Traditional Medical Formulae,2025,31(08):167-175.
HE Jiawei,ZHANG Jingyu,ZENG Juan,et al.Key Genes in Phenylpropanoid Biosynthesis Pathway of Lonicera macranthoides Based on Transcriptome and Metabolome Conjoint Analysis[J].Chinese Journal of Experimental Traditional Medical Formulae,2025,31(08):167-175. DOI: 10.13422/j.cnki.syfjx.20250216.
Key Genes in Phenylpropanoid Biosynthesis Pathway of Lonicera macranthoides Based on Transcriptome and Metabolome Conjoint Analysis增强出版
Based on the conjoint analysis of transcriptome and metabolome, the key genes in the phenylpropanoid biosynthesis pathway of
Lonicera macranthoides
were explored, which provided a basis for further exploring the synthesis and regulation mechanism of phenylpropanoid compounds in "Xianglei"
L. macranthoides
.
Methods
2
The stem, leaves, and three flowering flowers of "Xianglei"
L. macranthoides
were selected as experimental materials to construct transcriptome and metabolome. The transcriptome and metabolomics were conjointly analyzed by the Kyoto Encyclopedia of Genes and Genomes (KEGG) database and weighted correlation network analysis (WGCNA), and the key genes in the phenylpropanoid biosynthesis pathway of
L. macranthoides
were explored.
Results
2
In this study, 77 differential phenylpropanoids and 315 differential genes were found. Through the joint analysis of transcription and metabolism, nine key differential metabolites and four key genes related to them were finally discovered. Among them, cinnamic acid, 5-
O
-caffeoylshikimic acid,sinapyl alcohol, and chlorogenic acid were higher in flowers, and the content of the iconic effective component, namely chlorogenic acid,decreased sharply during the withering period. Caffeic acid,ferulic acid, 5-hydroxyconiferaldehyde,p-coumaryl alcohol, and syringin were higher in leaves. These four key genes belong to the cinnamic alcohol dehydrogenase (CAD) family, 4-coumaric acid: Coenzyme A (4CL) family, hydroxycinnamyl transferase (HCT) family, and
L
-phenylalanine ammonlyase (PAL) family genes.
Conclusion
2
Among the four key genes excavated from
L. macranthoides
,
TRINITY
_
DN42767
_
c0
_
g6
is related to the synthesis of p-coumaryl alcohol and sinapyl alcohol.
TRINITY
_
DN43525
_
c4
_
g1
uses caffeic acid,ferulic acid,and cinnamic acid as substrates to catalyze the next reaction.
TRINITY
_
DN47958
_
c3
_
g4
correlates with the synthesis of 3-p-coumaroyl quinic acid and caffeoyl-CoA, and
TRINITY
_
DN52595
_
c1
_
g2
correlates with cinnamic acid synthesis. These findings provide a basis for further exploring the synthesis and regulation mechanism of phenylpropanoids in "Xianglei"
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