NDLI: Transcriptome analysis reveals biosynthesis and regulation of flavonoid in common bean seeds during grain filling

Content Provider	Springer Nature : BioMed Central
Author	Tapia, Gerardo Gonzalez, Máximo Méndez, José Schmeda-Hirschmann, Guillermo Arrey, Oscar Carrasco, Basilio Nina, Nélida Salas-Burgos, Alexis Jimenéz-Aspee, Felipe Arevalo, Barbara
Abstract	The Andean domesticated common beans (Phaseolus vulgaris) are significant sources of phenolic compounds associated with health benefits. However, the regulation of biosynthesis of these compounds during bean seed development remains unclear. To elucidate the gene expression patterns involved in the regulation of the flavonoid pathway, we conducted a transcriptome analysis of two contrasting Chilean varieties, Negro Argel (black bean) and Coscorron (white bean), at three developmental stages associated with seed color change, as well as different flavonoid compound accumulations. Our study reveals that phenolic compound synthesis initiates during seed filling, although it exhibits desynchronization between both varieties. We identified 10,153 Differentially Expressed Genes (DEGs) across all comparisons. The KEGG pathway ‘Flavonoid biosynthesis’ showed enrichment of induced DEGs in Negro Argel (PV172), consistent with the accumulation of delphinidin, petunidin, and malvidin hexosides in their seeds, while catechin glucoside, procyanidin and kaempferol derivatives were predominantly detected in Coscorrón (PV24). Furthermore, while the flavonoid pathway was active in both varieties, our results suggest that enzymes involved in the final steps, such as ANS and UGT, were crucial, inducing anthocyanin formation in Negro Argel. Additionally, during active anthocyanin biosynthesis, the accumulation of reserve proteins or those related to seed protection and germination was induced. These findings provide valuable insights and serve as a guide for plant breeding aimed at enhancing the health and nutritional properties of common beans.
Related Links	https://bmcplantbiol.biomedcentral.com/counter/pdf/10.1186/s12870-024-05593-5.pdf
Ending Page	18
Page Count	18
Starting Page	1
File Format	HTM / HTML
ISSN	14712229
DOI	10.1186/s12870-024-05593-5
Journal	BMC Plant Biology
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-10-01
Access Restriction	Open
Subject Keyword	Plant Sciences Agriculture Tree Biology Anthocyanin Common bean Seed development Biosynthesis pathway Flavonoids
Content Type	Text
Resource Type	Article
Subject	Plant Science
Journal Impact Factor	4.3/2023
5-Year Journal Impact Factor	5.2/2023

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