ArticlePlant physiology2015
ALTERED MERISTEM PROGRAM1 suppresses ectopic stem cell niche formation in the shoot apical meristem in a largely cytokinin-independent manner.
Article in Plant physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 31 citations in OpenAlex.
- A rhizobium-induced FT-FD module locally activates nodule stem cell gene to promote nodulation.Nature communications · 2026Article
- Extranuclear function of Arabidopsis HOOKLESS1 regulates pleiotropic developmental processes in a non-cell-autonomous manner.The New phytologist · 2025Article
- ALTERED MERISTEM PROGRAM1 impairs RNA silencing by repressing the biogenesis of a subset of inverted repeat-derived siRNAs.The Plant cell · 2024Article
- ALTERED MERISTEM PROGRAM1 sustains cellular differentiation by limiting HD-ZIP III transcription factor gene expression.Plant physiology · 2024Article
- Cytokinins - regulators ofFrontiers in plant science · 2023Review
- Early flowering phenotype of the ArabidopsisPlant biotechnology (Tokyo, Japan) · 2022Article
- The chromosome-level genome provides insight into the molecular mechanism underlying the tortuous-branch phenotype of Prunus mume.The New phytologist · 2022Article
- Illuminating the molecular mechanisms underlying shoot apical meristem homeostasis in plants.Plant biotechnology (Tokyo, Japan) · 2022Article
- Fundamental mechanisms of the stem cell regulation in land plants: lesson from shoot apical cells in bryophytes.Plant molecular biology · 2021Review
- Post-Embryonic Lateral Organ Development and Adaxial-Abaxial Polarity Are Regulated by the Combined Effect ofInternational journal of molecular sciences · 2021Article
- The Photosynthetic BacteriumFrontiers in plant science · 2021Article
- The Importance of Cytokinins during Reproductive Development in Arabidopsis and Beyond.International journal of molecular sciences · 2020Review
- AMP1 and CYP78A5/7 act through a common pathway to govern cell fate maintenance in Arabidopsis thaliana.PLoS genetics · 2020Article
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- ALTERED MERISTEM PROGRAM 1 promotes growth and biomass accumulation influencing guard cell aperture and photosynthetic efficiency in Arabidopsis.Protoplasma · 2020Article
- Article
- Stem cells within the shoot apical meristem: identity, arrangement and communication.Cellular and molecular life sciences : CMLS · 2019Review
- Genome-wide transcriptome analysis reveals the molecular mechanism of high temperature-induced floral abortion in Litchi chinensis.BMC genomics · 2019Article
- ALTERED MERISTEM PROGRAM1 Restricts Shoot Meristem Proliferation and Regeneration by Limiting HD-ZIP III-Mediated Expression of RAP2.6L.Plant physiology · 2018Article
- ERECTA-family genes coordinate stem cell functions between the epidermal and internal layers of the shoot apical meristem.Development (Cambridge, England) · 2018Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants are able to reiteratively form new organs in an environmentally adaptive manner during postembryonic development. Organ formation in plants is dependent on stem cell niches (SCNs), which are located in the so-called meristems. Meristems show a functional zonation along the apical-basal axis and the radial axis. Shoot apical meristems of higher plants are dome-like structures, which contain a central SCN that consists of an apical stem cell pool and an underlying organizing center. Organ primordia are formed in the circular peripheral zone (PZ) from stem cell descendants in which differentiation programs are activated. One mechanism to keep this radial symmetry integrated is that the existing SCN actively suppresses stem cell identity in the PZ. However, how this lateral inhibition system works at the molecular level is far from understood. Here, we show that a defect in the putative carboxypeptidase ALTERED MERISTEM PROGRAM1 (AMP1) causes the formation of extra SCNs in the presence of an intact primary shoot apical meristem, which at least partially contributes to the enhanced shoot meristem size and leaf initiation rate found in the mutant. This defect appears to be neither a specific consequence of the altered cytokinin levels in amp1 nor directly mediated by the WUSCHEL/CLAVATA feedback loop. De novo formation of supernumerary stem cell pools was further enhanced in plants mutated in both AMP1 and its paralog LIKE AMP1, indicating that they exhibit partially overlapping roles to suppress SCN respecification in the PZ.
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