Structure and organization of the secretion apparatus of the mastic tree (Pistacia lentiscus L.) and LC–HRMS analysis of leaf extracts

Stefi, Aikaterina L.; Νίκου, Θεοδώρα; Vassilacopoulou, Dido; Skaltsounis, LA; Halabalaki, Maria; Christodoulakis, Nikolaos S.

doi:10.1007/s00425-021-03588-2

Cited by 6 publications

(3 citation statements)

References 40 publications

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“…The resin-secreting ducts in the stems of P. spruceanum are distributed in the primary and secondary phloem, in close proximity to the sources of carbohydrates necessary for the energy consuming reactions involved in the synthesis of the secreted compounds (Begum et al, 2012; Stefi & Christodoulakis, 2021). Similarly, the distribution of ducts in the primary phloem and in concentric cylinders in the secondary phloem has been described in P. heptaphyllum (Palermo et al, 2018), P. ovatum (Rosalem et al, 2017), B. sacra (from which myrrh, the sacred incense is extracted), B. serrata (Burseraceae) (Nair & Subrahmanyam, 1998; Tegasne et al, 2020; Yamamoto et al, 2020), and Pistacia lentiscus (Anacardiceae) (Stefi & Christodoulakis, 2021; Stefi et al, 2021). There are no horizontal branches in P. spruceanum , as seen in P. heptaphyllum (Palermo et al, 2018), where three-dimensional networks permeate the axial and radial systems of the phloem.…”

Section: Discussionmentioning

confidence: 99%

“…Resiniferous ducts can develop either in the primary (shoot apex) or secondary (bark) plant structures (Fahn, 1979, 2000; Stefi & Christodoulakis, 2021; Stefi et al, 2021). The study of distribution patterns of resiniferous ducts within those structures, which vary greatly among species, will be important for elucidating their ecological roles and defining strategies for commercial resin harvesting.…”

Section: Introductionmentioning

confidence: 99%

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Ontogenesis of Resin Ducts and Secretory Process in Protium spruceanum (Burseraceae) Stems

et al. 2022

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The objective of this work was to characterize the ontogenesis of Protium spruceanum secretory ducts, to evaluate the effects of seasonality on that process, and to characterize the chemical nature of the resin. Morphometric, anatomical, micromorphometric, histochemical, and ultrastructural evaluations of shoot apexes and chemical analyses of the resin were performed. The ducts of schizolysigenous origin are distributed in the primary and secondary phloem. The subsecretory tissue is meristematic and can restore the secretory epithelium. Secretory epithelial cells have wall thickening resembling that of the Casparian strip that regulates secretion reflux. The main resin compounds are pentacyclic triterpenoids, α- and β-amyrins, and α- and β-amyrenones, which are reported here for the first time for this species. The presence of electron-dense and electron-opaque structures, in the secretory epithelial cells, are compatible with the triterpenes and mucilage identified in the resin. Rising temperatures, rainfall, and increasing day length induce the formation of ducts in the vascular cambium throughout Spring/Summer. The abundant production of resin rich in pentacyclic triterpenes indicates the potential use of the species for medicinal and cosmetic purposes. The understanding that secretory processes are concentrated during the Spring/Summer seasons will contribute to the definition of resin extraction management strategies.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ontogenesis of Resin Ducts and Secretory Process in Protium spruceanum (Burseraceae) Stems

et al. 2022

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“…Additionally, it was highly prized by the Sultans of the Ottoman Empire, in the middle ages, as a breath freshener and a cosmetic for their harems. Mastic is an expensive plant product with a complex biochemical profile [ 31 ] that generates the unique mastic taste. It has antibacterial and antifungal properties [ 30 , 32 , 33 ] and contains potent antioxidants [ 34 ].…”

Section: Introductionmentioning

confidence: 99%

Heat and Cold-Stressed Individuals of Pistacia lentiscus (Mastic Tree) Do Modify Their Secreting Profile

Stefi

Papaioannou

Νίκου

et al. 2022

Plants

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Seedlings from the germinated seeds of Pistacia lentiscus were cultured in plant growth chambers for three months. Then, the plants were separated into three groups. Each group was cultured under different conditions. The first group was left to grow under normal Mediterranean conditions, as those recorded in spring. The other group was subjected to a ten-day heat stress while the last one also suffered a cold stress for ten days. The anatomical features of the leaves (leaf thickness, epidermal cell thickness, number of palisade layers, and development) between these three groups differed. The stressed plants accumulated large amounts of phenolics within their mesophyll cells. The biomass of the cold-stressed plants was minor, while it was high for the control plants. The oxidative stress was hardly detectable in the leaves of the control plants, while their heat-stressed counterparts suffered the highest concentration of reactive oxygen species. Differences concerning the absorption spectra of the three groups of leaves were not significant. An interesting incompatibility between the three groups concerned the expression of L-Dopa Decarboxylase, which climbed significantly in the heat-stressed plants. Finally, an interesting variation was observed concerning the concentrations of some biogenic amines/amino acids. This variation can be correlated to the other stress-induced reactions of the plants and, in some cases, was impressive. In conclusion, environmental stress can shift Pistacia lentiscus’ metabolism to synthesize different biogenic products, which can be considered as exploitable for the pharmaceutical or food industry.

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The preparation and biomedical applications of self-assembled two-dimensional sandalose gum supported polyvinyl alcohol/alginate bio-polymeric nanoparticles

et al. 2022

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Structure and organization of the secretion apparatus of the mastic tree (Pistacia lentiscus L.) and LC–HRMS analysis of leaf extracts

Cited by 6 publications

References 40 publications

Ontogenesis of Resin Ducts and Secretory Process in Protium spruceanum (Burseraceae) Stems

Ontogenesis of Resin Ducts and Secretory Process in Protium spruceanum (Burseraceae) Stems

Heat and Cold-Stressed Individuals of Pistacia lentiscus (Mastic Tree) Do Modify Their Secreting Profile

The preparation and biomedical applications of self-assembled two-dimensional sandalose gum supported polyvinyl alcohol/alginate bio-polymeric nanoparticles

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