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Comparative proteomic analysis reveals novel insights into the continuous cropping induced response in Scrophularia
Jiachen Sun1, Xuejiao Li2, Zhuo Qu3
1Tianjin Key Laboratory of Food and Biotechnology, State Experimental and Training Centre of Food and Drug, School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin, China.
Background:
Scrophularia ningpoensis is a well-known medicinal crop. Continuous cropping seriously affects the yield and quality, but little is known about the influence of continuous cropping on metabolic pathways. In this study, the difference in protein abundance between continuous cropping and non-continuous cropping of S. ningpoensis roots was studied by proteomics, and the molecular mechanism that protects S. ningpoensis against continuous cropping was explored.
Results:
The results suggested that continuous cropping in S, ningpoensis altered the expression of proteins related to starch and sucrose metabolism, glycolysis/gluconeogenesis, pentose phosphate pathway, citric acid cycle, phenylalanine, tyrosine and tryptophan biosynthesis, phenylpropanoid biosynthesis, terpenoid backbone biosynthesis, monoterpenoid biosynthesis, sesquiterpenoid and triterpenoid biosynthesis, and steroid biosynthesis. Among these processes, the most affected were phenylpropanoid biosynthesis and starch and sucrose metabolism, which may be important for continuous cropping resistance.
Conclusion:
The effect of continuous cropping on S. ningpoensis was demonstrated at the proteome level in this work, and identified candidate proteins that may cause continuous cropping reactions. The paper provides the theoretical foundation and scientific reference for enhancing the continuous cropping resistance of S. ningpoensis. © 2022 Society of Chemical Industry.
