Control of stem cell activity in the carpel margin meristem (CMM) in Arabidopsis

Reyes-Olalde, J. Irepan; Folter, Stefan de

doi:10.1007/s00497-018-00359-0

Cited by 26 publications

(16 citation statements)

References 161 publications

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“…Auxin maintains the meristematic activity of the placenta and determines the sites of ovule initiation and ovule identity. In most auxin-related mutants, defects in CMM formation cause the reduction or absence of placental tissue and ovules (Cucinotta et al 2014;Reyes-Olalde and de Folter 2019). In particular, auxin concentration maxima generated by PIN1 in the placenta determine sites of ovule primordium initiation (Benková et al 2003;Ceccato et al 2013;Galbiati et al 2013).…”

Section: Auxin and Ovule Developmentmentioning

confidence: 99%

Auxin and Flower Development: A Blossoming Field

Cucinotta

Cavalleri

Chandler

et al. 2020

Cold Spring Harb Perspect Biol

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Section: Auxin and Ovule Developmentmentioning

confidence: 99%

Auxin and Flower Development: A Blossoming Field

Cucinotta

Cavalleri

Chandler

et al. 2020

Cold Spring Harb Perspect Biol

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“…The target specificity of SPT could be due to the presence of cofactors and/or the different affinities of SPT binding sites. Since most transcription factors that regulate gynoecium development are categorized into only four classes based on mRNA distribution [182], threshold regulation at the protein level could also be important. SPT forms multiple complexes with transcription factors, such as HEC and INDEHISCENT (IND) [163,176,183].…”

Section: Hormonal Control Of the Termination Of Meristematic Fate mentioning

confidence: 99%

The Roles of Plant Hormones and Their Interactions with Regulatory Genes in Determining Meristem Activity

Lee

Hirakawa

Yamaguchi

et al. 2019

IJMS

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Plants, unlike animals, have developed a unique system in which they continue to form organs throughout their entire life cycle, even after embryonic development. This is possible because plants possess a small group of pluripotent stem cells in their meristems. The shoot apical meristem (SAM) plays a key role in forming all of the aerial structures of plants, including floral meristems (FMs). The FMs subsequently give rise to the floral organs containing reproductive structures. Studies in the past few decades have revealed the importance of transcription factors and secreted peptides in meristem activity using the model plant Arabidopsis thaliana. Recent advances in genomic, transcriptomic, imaging, and modeling technologies have allowed us to explore the interplay between transcription factors, secreted peptides, and plant hormones. Two different classes of plant hormones, cytokinins and auxins, and their interaction are particularly important for controlling SAM and FM development. This review focuses on the current issues surrounding the crosstalk between the hormonal and genetic regulatory network during meristem self-renewal and organogenesis.

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“…the placenta, among other tissues (Figure 1A) (Zuñiga-Mayo et al, 2019;Reyes-Olalde and de Folter, 2019;Becker, 2020). Ovule primordia arise from this placental tissue.…”

Section: Coming Into Context: Pistil Carpel Margin Meristem Andmentioning

confidence: 99%

On the Way to Ovules: The Hormonal Regulation of Ovule Development

Barro-Trastoy

Gómez

Tornero

et al. 2020

Critical Reviews in Plant Sciences

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This review focuses on the hormonal regulation of ovule development, especially on ovule initiation, patterning, and morphogenesis. Understanding of the genetic and molecular basis of ovule development is essential from both the scientific and economic perspective. The ovule represents an attractive system to study lateral organ development in plants, and, since ovules are the precursors of seeds, full comprehension of this process can be the key to the improvement of crops, especially those depending on high production of seeds and grains. Ovule initiation, patterning, and morphogenesis are governed by complex genetic and hormonal networks involving auxins, cytokinins, brassinosteroids, and gibberellins. These coordinate the determination of the ovule number, size, and shape through the regulation of the number of ovule primordia that arise from the placenta and/or ensuring their correct development into mature functional ovules. Here we summarize the current knowledge of how ovules are formed, paying special attention to the roles of these four plant hormones.

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Control of stem cell activity in the carpel margin meristem (CMM) in Arabidopsis

Cited by 26 publications

References 161 publications

Auxin and Flower Development: A Blossoming Field

Auxin and Flower Development: A Blossoming Field

The Roles of Plant Hormones and Their Interactions with Regulatory Genes in Determining Meristem Activity

On the Way to Ovules: The Hormonal Regulation of Ovule Development

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