Presently,the research of metabolomics in pears and other Rosaceae fruits focuse on the differential expression of metabolic maps throughout the growth period of the fruit,the analysis and characterization of metabolites in different cultivars of pear fruits,the dynamic changes in metabolism during postharvest storage and processing,and the analysis of factors affecting the accumulation of metabolic products related to fruit quality.In recent years,metabolomics has been combined with transcriptomics datasets,proteomics datasets,and others to jointly analyse and establish the correlation between multi-dimensional datasets,showing potential in identifying key genes for important traits,elucidating the mechanism of fruit quality formation,and revealing the metabolic pathways of unknown metabolites.This article mainly introduces the current state of metabolomics technologies and metabolite identification,the research progress of metabolomics technology and multi-omics technology in pear fruit,and the application prospects of various emerging metabolomics technologies and multi-omics correlation research in pear fruit,in order to provide a reference for the improvement of pear variety and quality.
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