scholarly journals A Comparative Metabolomics Analysis ofSaccharopolyspora spinosaWT, WH124, and LU104 Revealed Metabolic Mechanisms Correlated with Increases in Spinosad Yield

2013 ◽  
Vol 77 (8) ◽  
pp. 1661-1668 ◽  
Author(s):  
Fanglong ZHAO ◽  
Chaoyou XUE ◽  
Meiling WANG ◽  
Xiaoyang WANG ◽  
Wenyu LU
Keyword(s):  
Comparative Metabolomics ◽  
Metabolomics Analysis

scholarly journals Comparative metabolomics analysis reveals the variations of eating quality among three high-quality rice cultivars

2020 ◽  
Vol 40 (12) ◽  
Author(s):  
Rong Gong ◽  
Daoqiang Huang ◽  
Yibo Chen ◽  
Hong Li ◽  
Zhidong Wang ◽  
...  
Keyword(s):  
Molecular Basis ◽  
Eating Quality ◽  
Rice Breeding ◽  
Rice Cultivars ◽  
High Quality ◽  
Forming Mechanism ◽  
Close Relationship ◽  
Comparative Metabolomics ◽  
Metabolomics Analysis ◽  
Desirable Trait

AbstractGood eating quality is a highly desirable trait of rice which determines its commercial value and market share. However, the molecular basis of this trait remains largely unknown. Here, three high-quality conventional rice cultivars, including two superior eating quality cultivars Meixiangzhan-2 (MXZ) and Xiangyaxiangzhan (XYXZ), and one ordinary eating quality cultivar Huanghuazhan (HHZ), were analyzed by comparative metabolomics to identify the inherent mechanism for the formation of superior eating quality. The results showed 58.8% of common differential substances between MXZ vs HHZ and XYXZ vs HHZ were enriched in MXZ and XYXZ, whereas 39.2% of them were prominently decreased compared with HHZ, mainly including amino acids, carbohydrates, lipids, phenolamides, and flavonoids, which may be the primary factors leading to the differences of taste and flavor among these three cultivars. We also found that lysine derivatives and fatty acids may have a close relationship with taste. These results above provide important insights into the taste-forming mechanism of rice and will be beneficial for superior eating quality rice breeding.

scholarly journals Comparative metabolomics analysis of different sesame (Sesamum indicum L.) tissues reveals a tissue-specific accumulation of metabolites

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Senouwa Segla Koffi Dossou ◽  
Fangtao Xu ◽  
Xianghua Cui ◽  
Chen Sheng ◽  
Rong Zhou ◽  
...  
Keyword(s):  
Amino Acids ◽  
High Performance ◽  
Sesamum Indicum ◽  
Tissue Specific ◽  
Lack Of Information ◽  
Phenylpropanoid Biosynthesis ◽  
Specific Accumulation ◽  
Comparative Metabolomics ◽  
Cooperative Relationship ◽  
Metabolomics Analysis

Abstract Background Sesame (Sesamum indicum L.) leaves, flowers, especially seeds are used in traditional medicine to prevent or cure various diseases. Its seed’s market is expanding. However, the other tissues are still underexploited due to the lack of information related to metabolites distribution and variability in the plant. Herein, the metabolite profiles of five sesame tissues (leaves, fresh seeds, white and purple flowers, and fresh carpels) have been investigated using ultra-high-performance liquid chromatography-mass spectrometry (UPLC-MS/MS)-based widely targeted metabolomics analysis platform. Results In total, 776 metabolites belonging to diverse classes were qualitatively and quantitatively identified. The different tissues exhibited obvious differences in metabolites composition. The majority of flavonoids predominantly accumulated in flowers. Amino acids and derivatives, and lipids were identified predominantly in fresh seeds followed by flowers. Many metabolites, including quinones, coumarins, tannins, vitamins, terpenoids and some bioactive phenolic acids (acteoside, isoacteoside, verbascoside, plantamajoside, etc.) accumulated mostly in leaves. Lignans were principally detected in seeds. 238 key significantly differential metabolites were filtered out. KEGG annotation and enrichment analyses of the differential metabolites revealed that flavonoid biosynthesis, amino acids biosynthesis, and phenylpropanoid biosynthesis were the main differently regulated pathways. In addition to the tissue-specific accumulation of metabolites, we noticed a cooperative relationship between leaves, fresh carpels, and developing seeds in terms of metabolites transfer. Delphinidin-3-O-(6ʺ-O-p-coumaroyl)glucoside and most of the flavonols were up-regulated in the purple flowers indicating they might be responsible for the purple coloration. Conclusion This study revealed that the metabolic processes in the sesame tissues are differently regulated. It offers valuable resources for investigating gene-metabolites interactions in sesame tissues and examining metabolic transports during seed development in sesame. Furthermore, our findings provide crucial knowledge that will facilitate sesame biomass valorization.

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