The FLOWERING LOCUS T 5b positively regulates photoperiodic flowering and improves the geographical adaptation of soybean.
CRISPR/Cas9
GmFT5b
regional adaptability
Journal
Plant, cell & environment
ISSN: 1365-3040
Titre abrégé: Plant Cell Environ
Pays: United States
ID NLM: 9309004
Informations de publication
Date de publication:
Jan 2024
Jan 2024
Historique:
revised:
25
09
2023
received:
30
03
2023
accepted:
05
10
2023
medline:
5
12
2023
pubmed:
13
10
2023
entrez:
13
10
2023
Statut:
ppublish
Résumé
Plants can sense the photoperiod to flower at the right time. As a sensitive short-day crop, soybean (Glycine max) flowering varies greatly depending on photoperiods, affecting yields. Adaptive changes in soybeans rely on variable genetic loci such as E1 and FLOWERING LOCUS T orthologs. However, the precise coordination and control of these molecular components remain largely unknown. In this study, we demonstrate that GmFT5b functions as a crucial factor for soybean flowering. Overexpressed or mutated GmFT5b resulted in significantly early or later flowering, altering expression profiles for several downstream flowering-related genes under a long-day photoperiod. GmFT5b interacts with the transcription factor GmFDL15, suggesting transcriptional tuning of flowering time regulatory genes via the GmFT5b/GmFDL15 complex. Notably, GmFT5a partially compensated for GmFT5b function, as ft5a ft5b double mutants exhibited an enhanced late-flowering phenotype. Association mapping revealed that GmFT5b was associated with flowering time, maturity, and geographical distribution of soybean accessions, all associated with the E1 locus. Therefore, GmFT5b is a valuable target for enhancing regional adaptability. Natural variants or multiple mutants in this region can be utilized to generate optimized soybean varieties with precise flowering times.
Substances chimiques
Plant Proteins
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
246-258Subventions
Organisme : Major Science and Technology Projects of China
ID : 2016ZX08010-004
Organisme : National Natural Science Foundation of China
ID : 31871644
Organisme : Ministry of Science and Technology of China
ID : 2016YFD0100504
Organisme : CAAS (Chinese Academy of Agriculture Sciences) Agricultural Science and Technology Innovation Project
Informations de copyright
© 2023 John Wiley & Sons Ltd.
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