Coordination of cell polarity and the patterning of leaf vein networks

Linh, Nguyễn Mạnh; Verna, Carla; Scarpella, Enrico

doi:10.1016/j.pbi.2017.09.009

Cited by 26 publications

(29 citation statements)

References 112 publications

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“…Open minor veins develop when the minor vein PED emanates from a major vein and fails to extend to a second such PED (Fig. c–e) (Scarpella et al ., ; Sawchuk et al ., ; reviewed in Linh et al ., ).…”

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

“…Studies in maize also revealed a correlation between L1/epidermal PEDs and the formation of lateral veins, with important differences in developmental timing and PED polarity, which suggest a model linking the formation of parallel venation to the development of the monocot sheathing leaf base (Johnston et al ., ; reviewed in Linh et al ., ). As described above, leaf initiation in eudicots coincides with the formation of the provascular trace, a single PED that is associated with midvein development (Benkova et al ., ; Reinhardt et al ., ).…”

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

“…A complex molecular mechanism for the development of vascular bundles has been well described mainly in the eudicot Arabidopsis, and is the focus of many excellent, recent review articles (De Rybel et al, 2016;Bhalerao & Fischer, 2017;Campbell & Turner, 2017;Ramachandran et al, 2017;Tameshige et al, 2017;Linh et al, 2018). In lieu of retelling the molecular genetics of Arabidopsis vascular differentiation, this review instead focuses on models for the developmental patterning of reticulate vs parallel venation that distinguishes most monocot and eudicot leaves.…”

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

“…In eudicot leaves, several size orders of veins branch from the centralized, larger midvein, forming an anastomosed net-like structure whose outline mirrors the overall shape of the leaf ( Fig. 4a) (Cheadle et al, 1953;Kang & Dengler, 2002;Linh et al, 2018). Lateral veins connect to the midvein to form closed-ended loops.…”

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

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On the mechanisms of development in monocot and eudicot leaves

Conklin

Strable

et al. 2018

New Phytologist

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Contents Summary I. Introduction II. Leaf zones in monocot and eudicot leaves III. Monocot and eudicot leaf initiation: differences in degree and timing, but not kind IV. Reticulate and parallel venation: extending the model? V. Flat laminar growth: patterning and coordination of adaxial-abaxial and mediolateral axes VI. Stipules and ligules: ontogeny of primordial elaborations VII. Leaf architecture VIII. Stomatal development: shared and diverged mechanisms for making epidermal pores IX. Conclusion Acknowledgements References SUMMARY: Comparisons of concepts in monocot and eudicot leaf development are presented, with attention to the morphologies and mechanisms separating these angiosperm lineages. Monocot and eudicot leaves are distinguished by the differential elaborations of upper and lower leaf zones, the formation of sheathing/nonsheathing leaf bases and vasculature patterning. We propose that monocot and eudicot leaves undergo expansion of mediolateral domains at different times in ontogeny, directly impacting features such as venation and leaf bases. Furthermore, lineage-specific mechanisms in compound leaf development are discussed. Although models for the homologies of enigmatic tissues, such as ligules and stipules, are proposed, tests of these hypotheses are rare. Likewise, comparisons of stomatal development are limited to Arabidopsis and a few grasses. Future studies may investigate correlations in the ontogenies of parallel venation and linear stomatal files in monocots, and the reticulate patterning of veins and dispersed stoma in eudicots. Although many fundamental mechanisms of leaf development are shared in eudicots and monocots, variations in the timing, degree and duration of these ontogenetic events may contribute to key differences in morphology. We anticipate that the incorporation of an ever-expanding number of sequenced genomes will enrich our understanding of the developmental mechanisms generating eudicot and monocot leaves.

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Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

Section: Reticulate and Parallel Venation: Extending The Model?mentioning

confidence: 99%

See 2 more Smart Citations

On the mechanisms of development in monocot and eudicot leaves

Conklin

Strable

et al. 2018

New Phytologist

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“…It is generally believed that the existing vasculature drains auxin from its sources, such as convergence points and growing regions of the leaf blade, and that this process is essential for the formation of continuous vascular strands (Scarpella et al 2006; Bayer et al 2009; Linh et al 2018). Notably, the spatio-temporal changes in PIN1 polarization relating to pre-existing vascular strands suggest that these strands acquire the ability to drain auxin during the procambial stage of development (compare, for example, Fig.…”

Section: The Role Of Auxin Transport In Leaf Vascularizationmentioning

confidence: 99%

Auxin-mediated regulation of vascular patterning in Arabidopsis thaliana leaves

Biedroń

Banasiak

2018

Plant Cell Rep

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The vascular system develops in response to auxin flow as continuous strands of conducting tissues arranged in regular spatial patterns. However, a mechanism governing their regular and repetitive formation remains to be fully elucidated. A model system for studying the vascular pattern formation is the process of leaf vascularization in Arabidopsis. In this paper, we present current knowledge of important factors and their interactions in this process. Additionally, we propose the sequence of events leading to the emergence of continuous vascular strands and point to significant problems that need to be resolved in the future to gain a better understanding of the regulation of the vascular pattern development.

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How Moving Hormonal Signals Regulate Plant Vascular Differentiation, Adaptation, and Evolution: Hypotheses and Evidence

Aloni

2023

Progress in Botany

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Coordination of cell polarity and the patterning of leaf vein networks

Cited by 26 publications

References 112 publications

On the mechanisms of development in monocot and eudicot leaves

On the mechanisms of development in monocot and eudicot leaves

Auxin-mediated regulation of vascular patterning in Arabidopsis thaliana leaves

How Moving Hormonal Signals Regulate Plant Vascular Differentiation, Adaptation, and Evolution: Hypotheses and Evidence

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