ArticlePlant reproduction2024
MsTFL1A delays flowering and regulates shoot architecture and root development in Medicago sativa.
Article in Plant reproduction, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- Characterization of TERMINAL FLOWER 1 homologs from Macroptilium (Benth.) Urb.Plant reproduction · 2026Article
- Advances in basic biology of alfalfa (Horticulture research · 2025Article
- Convenient, high-efficiency multiplex genome editing in autotetraploid alfalfa using endogenousaBIOTECH · 2025Article
- Constitutive expression ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Genome-wide identification and expression analysis of CBF/DREB1 gene family in Medicago sativa L. and functional verification of MsCBF9 affecting flowering time.BMC plant biology · 2025Article
- Novel PHOTOPERIOD-1 gene variants associate with yield-related and root-angle traits in European bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
key messageMsTFL1A is an important gene involved in flowering repression in alfalfa (Medicago sativa) which conditions not only above-ground plant shoot architecture but also root development and growth. Delayed flowering is an important trait for forage species, as it allows harvesting of high-quality forage for a longer time before nutritional values decline due to plant architecture changes related to flowering onset. Despite the relevance of delayed flowering, this trait has not yet been thoroughly exploited in alfalfa. This is mainly due to its complex genetics, sensitivity to inbreeding and to the fact that delayed flowering would be only advantageous if it allowed increased forage quality without compromising seed production. To develop new delayed-flowering varieties, we have characterized the three TERMINAL FLOWERING 1 (TFL1) family of genes in alfalfa: MsTFL1A, MsTFL1B and MsTFL1C. Constitutive expression of MsTFL1A in Arabidopsis caused late flowering and changes in inflorescence architecture, indicating that MsTFL1A is the ortholog of Arabidopsis TFL1. Overexpression of MsTFL1A in alfalfa consistently led to delayed flowering in both controlled and natural field conditions, coupled to an increase in leaf/stem ratio, a common indicator of forage quality. Additionally, overexpression of MsTFL1A reduced root development, reinforcing the role of MsTFL1A not only as a flowering repressor but also as a regulator of root development.We conclude that the precise manipulation of MsTFL1A gene expression may represent a powerful tool to improve alfalfa forage quality.
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