Article ; Online: A flavonoid metabolon: cytochrome b
The Plant journal : for cell and molecular biology
2024
Abstract: ... on epigallocatechin gallate. Our analysis involving the DESI-MSI method to reveal a distinct distribution pattern of B ... CsF3'5'H, the enzyme for B-ring trihydroxylation, did not directly interact with other enzymes ... We identified cytochrome b ...
Abstract | Flavan-3-ols are prominent phenolic compounds found abundantly in the young leaves of tea plants. The enzymes involved in flavan-3-ol biosynthesis in tea plants have been extensively investigated. However, the localization and associations of these numerous functional enzymes within cells have been largely neglected. In this study, we aimed to investigate the synthesis of flavan-3-ols in tea plants, particularly focusing on epigallocatechin gallate. Our analysis involving the DESI-MSI method to reveal a distinct distribution pattern of B-ring trihydroxylated flavonoids, primarily concentrated in the outer layer of buds. Subcellular localization showed that CsC4H, CsF3'H, and CsF3'5'H localizes endoplasmic reticulum. Protein-protein interaction studies demonstrated direct associations between CsC4H, CsF3'H, and cytoplasmic enzymes (CHS, CHI, F3H, DFR, FLS, and ANR), highlighting their interactions within the biosynthetic pathway. Notably, CsF3'5'H, the enzyme for B-ring trihydroxylation, did not directly interact with other enzymes. We identified cytochrome b |
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Language | English |
Publishing date | 2024-03-10 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1088037-9 |
ISSN | 1365-313X ; 0960-7412 |
ISSN (online) | 1365-313X |
ISSN | 0960-7412 |
DOI | 10.1111/tpj.16710 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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