Comparative metabolomics reveals differences in primary and secondary metabolites between “Shixia” and “Chuliang” longan (<i>Dimocarpus longan</i> Lour.) pulp

Lai, Tingting; Shuai, Liang; Han, Dongmei; Lai, Ziying; Du, Xinxin; Guo, Xiaomeng; Hu, Wenshun; Wu, Zhongjie; Luo, Tao

doi:10.1002/fsn3.2552

Cited by 8 publications

(14 citation statements)

References 45 publications

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“…In our study, the contents of organic acids, such as citramalic acid and succinic acid, accumulated in cultivated loquats, suggesting that cultivated loquats have stronger taste. Previous studies have indicated that the components and content of organic acids contribute to the taste of longan fruits [ 47 ]. Besides sugars, organic acids have an impact on the good taste of strawberry fruits [ 46 ].…”

Section: Discussionmentioning

confidence: 99%

“…Besides sugars, organic acids have an impact on the good taste of strawberry fruits [ 46 ]. Furthermore, flavonoids are the key chemicals that contribute to the medicinal and nutritional characteristics of fruits [ 47 ]. In our work, most of the flavonoid biosynthesis-related genes were significantly upregulated in wild loquats ( Supplementary Data Table S14 ).…”

Section: Discussionmentioning

confidence: 99%

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Genome assembly of wild loquat (Eriobotrya japonica) and resequencing provide new insights into the genomic evolution and fruit domestication in loquat

Jing

Liu

et al. 2022

Horticulture Research

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Wild loquats (Eriobotrya japonica Lindl.) provide remarkable genetic resources for studying domestication and breeding improved varieties. Herein, we generate the first high-quality chromosome-level genome assembly of wild loquat, with the 45,791 predicted protein-coding genes. Analysis of comparative genomics indicated that loquat shared a common ancestor with apple and pear, and a recent whole-genome duplication event occurred in loquat prior to its divergence. Genome re-sequencing showed that the loquat germplasms were distinctly classified into wild and cultivated groups, and the commercial cultivars experienced allelic admixture. Compared with the cultivated loquats, the wild loquat genome showed very few selected genomic regions and had higher levels of genetic diversity. However, whole-genome scans of selective sweeps were mainly related to fruit quality, size, and flesh color during the domestication process. Large-scale transcriptome and metabolome analyses were further performed to identify the differentially expressed genes (DEGs) and differentially accumulated metabolites (DAMs) in the wild and cultivated loquats, at various fruit development stages. Unlike that in wild loquat, the key DEGs and DAMs involved in carbohydrate metabolism, plant hormone signal transduction, flavonoid biosynthesis, and carotenoid biosynthesis were significantly regulated in cultivated loquats during fruit development. These high-quality reference genome, re-sequencing, and large-scale transcriptome/metabolome data provide valuable resources for elucidating fruit domestication and molecular breeding in loquat.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Genome assembly of wild loquat (Eriobotrya japonica) and resequencing provide new insights into the genomic evolution and fruit domestication in loquat

Jing

Liu

et al. 2022

Horticulture Research

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“…The total phenolic content (TPC) and total flavonoid content (TFC) of longan pericarp and aril were measured according to the previously reported methods [ 2 ]. The ethanolic extract used for determination of TPC and TFC contents was prepared by homogenizing 0.1 g frozen pericarp or 0.3 g frozen aril, which was extracted with 1 mL 80% ethanol using a vigorously vortex and ultrasonication (KQ 5200E, Kunshan Ultrasonic Instrument Co., Ltd., Kunshan, China) for 60 min.…”

Section: Methodsmentioning

confidence: 99%

“…After a centrifugation at 12,000× g for 10 min, the supernatant of each sample was used to determine TPC and TFC. The TFC was measured at 510 nm according to the method reported by Lai et al [ 2 ] using a standard curve of rutin and the TPC was assayed at 760 nm by the Folin–Ciocalteu method using gallic acid as the standard [ 2 ].…”

Section: Methodsmentioning

confidence: 99%

“…is a tropical and sub-tropical fruit belonging to the Sapindaceae family, whose production is mainly distributed in southern Asia including China, Thailand, Vietnam and India [ 1 ]. Longan fruit is attractive to customers due to its abundant primary metabolites (such as sugars, organic acids and amino acids) and secondary metabolites (such as phenolic acids, flavonoids, alkaloids and nucleotides) in its edible aril (the hypertrophic tissue attached around the seed coat of longan) [ 2 ]. However, the quality deterioration of longan fruit occurs rapidly within a few days under normal temperature storage, mainly manifested as pericarp browning, aril breakdown and decay.…”

Section: Introductionmentioning

confidence: 99%

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A Comprehensive Analysis of Physiologic and Hormone Basis for the Difference in Room-Temperature Storability between ‘Shixia’ and ‘Luosanmu’ Longan Fruits

Long

Lai

Han

et al. 2022

Plants

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Although the effects of phytohormones (mainly salicylic acid) on the storability of longan fruit have been reported, the relationship between postharvest hormone variation and signal transduction and storability remains unexplored. The basis of physiology, biochemistry, hormone content and signalling for the storability difference at room-temperature between ‘Shixia’ and ‘Luosanmu’ longan fruit were examined. ‘Luosanmu’ longan exhibited faster pericarp browning, aril breakdown and rotting during storage. ‘Luosanmu’ pericarp exhibited higher malondialdehyde but faster decreased total phenolics, flavonoid, glutathione, vitamin C, catalase activity and gene expression. Higher H2O2 and malondialdehyde but lower glutathione, glutathione-reductase and peroxidase activities, while higher activities and gene expressions of polygalacturonase, β-galactosidase and cellulose, lower covalent-soluble pectin, cellulose and hemicellulose but higher water-soluble pectin were observed in ‘Luosanmu’ aril. Lower abscisic acid and methyl jasmonate but higher expressions of LOX2, JAZ and NPR1 in pericarp, while higher abscisic acid, methyl jasmonate and salicylic acid together with higher expressions of ABF, JAZ, NPR1 and PR-1 in ‘Luosanmu’ aril were observed. In conclusion, the imbalance between the accumulation and scavenging of active oxygen in ‘Luosanmu’ longan might induce faster lipid peroxidation and senescence-related hormone signalling and further the polymerization of phenolics in pericarp and polysaccharide degradation in aril.

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Elucidation of the effects of autochthonous starter on nitrogen‐containing compounds during fermentation of Yujiangsuan by metabolomics

Yu,

Hu,

et al. 2023

Food Science & Nutrition

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To understand the role of microorganisms in nitrogen (N)‐containing compound changes during the processing of Yujiangsuan by autochthonous starter cultures, the GC‐TOF‐MS‐based metabolomics method was adopted to investigate the effects of Weissella cibaria and Lactobacillus plantarum. The results demonstrated that inoculation of autochthonous strains led to differential metabolites, such as fatty acids, organic oxygen compounds, and carboxylic acids on day 4 to day 12 of fermentation. The N‐containing compounds under the inoculated fermentation group showed a faster relative concentration change. Nucleotide metabolism and arginine and proline metabolism exerted an influence on the formation of N‐containing compounds. Apart from that, the effect of W. cibaria and L. plantarum on the hydrolysis of macromolecules was the main factor causing differences in major N‐containing compounds.

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Comparative metabolomics reveals differences in primary and secondary metabolites between “Shixia” and “Chuliang” longan (Dimocarpus longan Lour.) pulp

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 8 publications

References 45 publications

Genome assembly of wild loquat (Eriobotrya japonica) and resequencing provide new insights into the genomic evolution and fruit domestication in loquat

Genome assembly of wild loquat (Eriobotrya japonica) and resequencing provide new insights into the genomic evolution and fruit domestication in loquat

A Comprehensive Analysis of Physiologic and Hormone Basis for the Difference in Room-Temperature Storability between ‘Shixia’ and ‘Luosanmu’ Longan Fruits

Elucidation of the effects of autochthonous starter on nitrogen‐containing compounds during fermentation of Yujiangsuan by metabolomics

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