ArticleFrontiers in plant science2021
FLOWERING LOCUS T2 Promotes Shoot Apex Development and Restricts Internode Elongation
Article in Frontiers in plant science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 22 citations in OpenAlex.
- Isolation and expression of terminal flower1 (TFL1) gene in clove (Syzygium aromaticum L.).BMC research notes · 2025Article
- Overexpression of Tempranillo-Like Proteins Promotes Dormancy Release in Poplar.Plant, cell & environment · 2025Article
- Molecular advances in bud dormancy in trees.Journal of experimental botany · 2024Review
- ELONGATED HYPOCOTYL 5a modulates FLOWERING LOCUS T2 and gibberellin levels to control dormancy and bud break in poplar.The Plant cell · 2024Article
- Core clock genes adjust growth cessation time to day-night switches in poplar.Nature communications · 2024Article
- Unlocking Nature's Clock: CRISPR Technology in Flowering Time Engineering.Plants (Basel, Switzerland) · 2023Review
- Internode Length Is Correlated with GAPlants (Basel, Switzerland) · 2023Article
- IntroducingInternational journal of molecular sciences · 2023Article
- The RING-H2 geneHorticulture research · 2023Article
- Functional diversification and molecular mechanisms of FLOWERING LOCUS T/TERMINAL FLOWER 1 family genes in horticultural plants.Molecular horticulture · 2022Review
- Antisense Expression of AppleInternational journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The adaptation and survival of boreal and temperate perennials relies on the precise demarcation of the growing season. Seasonal growth and development are defined by day length and temperature signals. Under long-day conditions in spring, poplar FLOWERING LOCUS T2 (FT2) systemically induces shoot growth. In contrast, FT2 downregulation induced by autumnal short days triggers growth cessation and bud set. However, the molecular role of FT2 in local and long-range signaling is not entirely understood. In this study, the CRISPR/Cas9 editing tool was used to generate FT2 loss of function lines of hybrid poplar. Results indicate that FT2 is essential to promote shoot apex development and restrict internode elongation under conditions of long days. The application of bioactive gibberellins (GAs) to apical buds in FT2 loss of function lines was able to rescue bud set. Expression analysis of GA sensing and metabolic genes and hormone quantification revealed that FT2 boosts the 13-hydroxylation branch of the GA biosynthesis pathway in the shoot apex. Paclobutrazol treatment of WT leaves led to limited internode growth in the stem elongation zone. In mature leaves, FT2 was found to control the GA 13-hydroxylation pathway by increasing
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