ArticleThe New phytologist2022
miR156-independent repression of the ageing pathway by longevity-promoting AHL proteins in Arabidopsis.
Article in The New phytologist, 2022. 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, 24 citations in OpenAlex.
- The plant longevity gene AHL15 delays leaf senescence by repressing ORESARA1 and cytokinin degradation.The Plant journal : for cell and molecular biology · 2026Article
- The AT-HOOK MOTIF CONTAINING NUCLEAR LOCALIZED gene promotes somatic embryogenesis and polyploidy formation in Liriodendron hybrids.Plant cell reports · 2026Article
- TheProceedings of the National Academy of Sciences of the United States of America · 2026Article
- A transcriptional roadmap of the yearly growth cycle in Populus trees.The Plant cell · 2025Article
- Genome-Wide Analysis of the AT-Hook Gene Family inPlants (Basel, Switzerland) · 2025Article
- Unraveling the multifaceted roles of SPL transcription factors in leaf development.Frontiers in plant science · 2025Review
- Regulatory mechanisms of trichome and root hair development in Arabidopsis.Plant molecular biology · 2024Review
- Temporal regulation of vegetative phase change in plants.Developmental cell · 2024Review
- The role of small RNAs in resistant melon cultivar againstFrontiers in microbiology · 2024Article
- The central role of stem cells in determining plant longevity variation.Plant communications · 2023Review
- The Secrets of Meristems Initiation: Axillary Meristem Initiation and Floral Meristem Initiation.Plants (Basel, Switzerland) · 2023Review
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4 authors at 1 institution in 1 country.
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Abstract
Plants age by developmental phase changes. In Arabidopsis, the juvenile to adult vegetative phase change (VPC) is marked by clear heteroblastic changes in leaves. VPC and the subsequent vegetative to reproductive phase change are promoted by SQUAMOSA PROMOTOR BINDING PROTEIN-LIKE (SPL) transcription factors and repressed by miR156/157 targeting SPL transcripts. By genetic, phenotypic, and gene expression analyses, we studied the role of the longevity-promoting AT-HOOK MOTIF NUCLEAR LOCALIZED 15 (AHL15) and family members in SPL-driven plant ageing. Arabidopsis ahl loss-of-function mutants showed accelerated VPC and flowering, whereas AHL15 overexpression delayed these phase changes. Expression analysis and tissue-specific AHL15 overexpression revealed that AHL15 affects VPC and flowering time directly through its expression in the shoot apical meristem and young leaves, and that AHL15 represses SPL2/9/13/15 gene expression in a miR156/157-independent manner. The juvenile traits of spl loss-of-function mutants appeared to depend on enhanced expression of the AHL15 gene, whereas SPL activity prevented vegetative growth from axillary meristem by repressing AHL15 expression. Our results place AHL15 and close family members together with SPLs in a reciprocal regulatory feedback loop that modulates VPC, flowering time, and axillary meristem development in response to both internal and external signals.
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