Revisiting the architecture, biosynthesis and functional aspects of the plant cuticle: There is more scope

Bhanot, Vishalakshi; Fadanavis, Shreya Vivek; Panwar, Jitendra

doi:10.1016/j.envexpbot.2020.104364

Cited by 45 publications

(45 citation statements)

References 155 publications

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“…They consist of molecules easily extractable with organic solvents, i.e., epiand intra-cuticular waxes, dispersed at the surface and within the cuticles, respectively, and of insoluble lipid polymers, i.e., cutan and cutin. While cutan polymer contains non-hydrolysable bounds that limit structural investigation (Bhanot et al, 2021), cutin is a polyester of oxygenated fatty acids (mainly with hydroxyl and/or epoxide groups, but in less proportion with oxo groups) of 16 and 18 carbon atoms (Yeats and Rose, 2013). In some plants and, especially those of the Brassicaceae family, high amounts of dicarboxylic acids (DCA) are found while they are minor compounds in other plants (Franke et al, 2005;Razeq et al, 2021).…”

Section: From Molecular Diversity To Cuticle Architecturementioning

confidence: 99%

The Complex Architecture of Plant Cuticles and Its Relation to Multiple Biological Functions

et al. 2021

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Terrestrialization of vascular plants, i.e., Angiosperm, is associated with the development of cuticular barriers that prevent biotic and abiotic stresses and support plant growth and development. To fulfill these multiple functions, cuticles have developed a unique supramolecular and dynamic assembly of molecules and macromolecules. Plant cuticles are not only an assembly of lipid compounds, i.e., waxes and cutin polyester, as generally presented in the literature, but also of polysaccharides and phenolic compounds, each fulfilling a role dependent on the presence of the others. This mini-review is focused on recent developments and hypotheses on cuticle architecture–function relationships through the prism of non-lipid components, i.e., cuticle-embedded polysaccharides and polyester-bound phenolics.

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Section: From Molecular Diversity To Cuticle Architecturementioning

confidence: 99%

The Complex Architecture of Plant Cuticles and Its Relation to Multiple Biological Functions

et al. 2021

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“…The cuticle also acts as a mechanical barrier against attacks by pathogens, thereby increasing plant reproductive fitness. Several studies have highlighted the role of cutin as a barrier to microbial and fungal infection (Isaacson et al ., 2009; Bhanot et al ., 2021). In addition, the cuticle contributes to chemical defense strategies by its antifungal terpenoids and flavonoids content (Ziv et al ., 2018) or as being a possible source of elicitors (Serrano et al ., 2014).…”

Section: Pivotal Role In the Plant Defense Strategy Against Biotic An...mentioning

confidence: 99%

“…Trichomes and cuticles also play important protective roles against abiotic stresses, such as limiting irradiation damages and water loss (Bhanot et al ., 2021) and they both help in reducing UV‐B radiation damages (Karabourniotis et al ., 1992; Bhanot et al ., 2021). Trichomes confer quick drying properties of the leaf surface (Johnson, 1975).…”

Section: Pivotal Role In the Plant Defense Strategy Against Biotic An...mentioning

confidence: 99%

“…One can therefore not rule out that one or several epicuticular wax components might act as signaling molecules controlling cytokinin biosynthesis in the epidermis, thereby impacting on trichome development. Cuticular lipids have been identified as signaling molecules during plant–pathogen interaction (Bhanot et al ., 2021). The possibility that specific wax monomers could be involved in different signaling/induction events leading to the alteration of trichome morphology needs to be further investigated.…”

Section: Effect On Trichome Development In Cutin/wax‐related Gene Mut...mentioning

confidence: 99%

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Subtle interplay between trichome development and cuticle formation in plants

2021

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Trichomes and cuticles are key protective epidermal specializations. This review highlights the genetic interplay existing between trichome and cuticle formation in a variety of species. Controlling trichome development, the biosynthesis of trichome-derived specialized metabolites as well as cuticle biosynthesis and deposition can be viewed as different aspects of a common defensive strategy adopted by plants to protect themselves from environmental stresses. Existence of such interplay is based on the mining of published transcriptomic data as well as on phenotypic observations in trichome or cuticle mutants where the morphology of both structures often appear to be concomitantly altered. Given the existence of several trichome developmental pathways depending on the plant species and the types of trichomes, genetic interactions between cuticle formation and trichome development are complex to decipher and not easy to generalize. Based on our review of the literature, a schematic overview of the gene network mediating this transcriptional interplay is presented for two model plant species: Arabidopsis thaliana and Solanum lycopersicum. In addition to fundamental new insights on the regulation of these processes, identifying key transcriptional switches controlling both processes could also facilitate more applied investigations aiming at improving much desired agronomical traits in plants.

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“…The cuticle layer covers aerial plant parts and acts as the first barrier for the interaction with the environment. Given its lipophilic nature, it is a major water retention determinant in different plant organs, and is also involved in the regulation of temperature fluctuations and gas diffusion in addition to protection from pathogen invasion, among others [ 11 , 12 , 13 ]. Cuticular waxes are mixtures of cyclic compounds (e.g., triterpenoids) and aliphatic compounds (e.g., alkanes, fatty acids (FA), alcohols and aldehydes) derived from very-long-chain fatty acids (VLCFA) [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

The Combination of Abscisic Acid (ABA) and Water Stress Regulates the Epicuticular Wax Metabolism and Cuticle Properties of Detached Citrus Fruit

Romero

Lafuente

2021

IJMS

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The phytohormone abscisic acid (ABA) is a major regulator of fruit response to water stress, and may influence cuticle properties and wax layer composition during fruit ripening. This study investigates the effects of ABA on epicuticular wax metabolism regulation in a citrus fruit cultivar with low ABA levels, called Pinalate (Citrus sinensis L. Osbeck), and how this relationship is influenced by water stress after detachment. Harvested ABA-treated fruit were exposed to water stress by storing them at low (30–35%) relative humidity. The total epicuticular wax load rose after fruit detachment, which ABA application decreased earlier and more markedly during fruit-dehydrating storage. ABA treatment changed the abundance of the separated wax fractions and the contents of most individual components, which reveals dependence on the exposure to postharvest water stress and different trends depending on storage duration. A correlation analysis supported these responses, which mostly fitted the expression patterns of the key genes involved in wax biosynthesis and transport. A cluster analysis indicated that storage duration is an important factor for the exogenous ABA influence and the postharvest environment on epicuticular wax composition, cuticle properties and fruit physiology. Dynamic ABA-mediated reconfiguration of wax metabolism is influenced by fruit exposure to water stress conditions.

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Revisiting the architecture, biosynthesis and functional aspects of the plant cuticle: There is more scope

Cited by 45 publications

References 155 publications

The Complex Architecture of Plant Cuticles and Its Relation to Multiple Biological Functions

The Complex Architecture of Plant Cuticles and Its Relation to Multiple Biological Functions

Subtle interplay between trichome development and cuticle formation in plants

The Combination of Abscisic Acid (ABA) and Water Stress Regulates the Epicuticular Wax Metabolism and Cuticle Properties of Detached Citrus Fruit

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