Metabolomic Analysis, Combined with Enzymatic and Transcriptome Assays, to Reveal the Browning Resistance Mechanism of Fresh-Cut Eggplant
Abstract
:1. Introduction
2. Materials and Methods
2.1. Plant Material and Treatments
2.2. Browning Degree
2.3. Metabolite Identification and Statistical Analysis
2.4. Integrated Analysis of the Metabolome and Transcriptome
2.5. Membrane Lipid Peroxidation (MDA, H2O2, and O2−)
2.6. Activities of PPO, LOX, PLD, PAL, CAT, SOD, POD, and APX
2.7. Determination of Antioxidant Capacity (DPPH, ABTS, and FRAP)
2.8. Determination of Total Phenol (TP) Content
2.9. Statistical Analyses
3. Results
3.1. Phenotypic Characteristics of Physiological Responses of Fresh-Cut Eggplant
3.2. Qualitative and Quantitative Analysis of Metabolites
3.3. Differential Metabolites (DEMs) Screening, Functional Annotation, and Enrichment Analysis
3.4. Enrichment Analysis of DEMs
3.5. Integrated Analysis of the Transcriptome and Metabolome of the Fresh-Cut Eggplant
3.5.1. Changes in Membrane Lipid Composition of Fresh-Cut Eggplant
3.5.2. Expression of DEGs and DMEs Related to Lipid Metabolism
3.5.3. Expression of DEGs and DMEs Related to Phenylpropane Biosynthesis
3.5.4. Expression of DEGs and DMEs Related to Glutathione Metabolism
3.5.5. Malondialdehyde Content, H2O2 Content, and O2− Production Rate
3.5.6. Activities of PPO, LOX, PLD, POD, PAL, and TP Content
3.5.7. Antioxidant Capacity and the Activities of CAT, APX, and SOD
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Liu, X.; Xiao, K.; Zhang, A.; Zhu, W.; Zhang, H.; Tan, F.; Huang, Q.; Wu, X.; Zha, D. Metabolomic Analysis, Combined with Enzymatic and Transcriptome Assays, to Reveal the Browning Resistance Mechanism of Fresh-Cut Eggplant. Foods 2022, 11, 1174. https://doi.org/10.3390/foods11081174
Liu X, Xiao K, Zhang A, Zhu W, Zhang H, Tan F, Huang Q, Wu X, Zha D. Metabolomic Analysis, Combined with Enzymatic and Transcriptome Assays, to Reveal the Browning Resistance Mechanism of Fresh-Cut Eggplant. Foods. 2022; 11(8):1174. https://doi.org/10.3390/foods11081174
Chicago/Turabian StyleLiu, Xiaohui, Kai Xiao, Aidong Zhang, Weimin Zhu, Hui Zhang, Feng Tan, Qianru Huang, Xuexia Wu, and Dingshi Zha. 2022. "Metabolomic Analysis, Combined with Enzymatic and Transcriptome Assays, to Reveal the Browning Resistance Mechanism of Fresh-Cut Eggplant" Foods 11, no. 8: 1174. https://doi.org/10.3390/foods11081174
APA StyleLiu, X., Xiao, K., Zhang, A., Zhu, W., Zhang, H., Tan, F., Huang, Q., Wu, X., & Zha, D. (2022). Metabolomic Analysis, Combined with Enzymatic and Transcriptome Assays, to Reveal the Browning Resistance Mechanism of Fresh-Cut Eggplant. Foods, 11(8), 1174. https://doi.org/10.3390/foods11081174