The year-round dynamic of metabolites accumulation in Pinus sylvestris needles in permafrost zone

Sleptsov, I. V.; Mikhailov, Valery V.; Rozhina, S.M.; Кершенгольц, Б. М.

doi:10.1007/s00468-022-02346-5

Cited by 4 publications

(1 citation statement)

References 42 publications

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“…Data collection was performed using Agilent ChemStation E.02.02.1431 software (Agilent Technologies, Santa Clara, CA, USA). The quantitative interpretation of the chromatograms was carried out using the internal standardization method for hydrocarbon C23 [ 45 ]. The processing and interpretation of the mass spectrometric information was carried out using the NIST 2017 standard library.…”

Section: Methodsmentioning

confidence: 99%

Metabolomic Profile and Functional State of Oat Plants (Avena sativa L.) Sown under Low-Temperature Conditions in the Cryolithozone

Nokhsorov,

Protopopov,

Sleptsov

et al. 2024

Plants

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Oats are one of the most useful and widespread cereal crops in the world. In permafrost conditions (Central Yakutia), based on metabolic changes in late summer-sown oat plants (Avena sativa L.), the key processes involved in the cold acclimation of a valuable cereal species were identified. During the onset of low ambient temperatures, metabolites from leaf samples were profiled using gas chromatography with mass spectrometry (GC-MS) and were analyzed using principal component analysis (PCA). A total of 41 metabolites were identified in oat leaves. It was found that acclimation to suboptimal temperatures during the fall period leads to biochemical (accumulation of mono- and disaccharides and decrease in fatty acids and polyols) as well as physiological and biophysical changes (decrease in leaf PRI reflectance indices and chlorophyll a fluorescence). Therefore, the study contributes to a more holistic understanding of oat metabolism under low-temperature cryolithozone stress. It is believed that the analysis of changes in leaf reflection properties and JIP-test parameters of chlorophyll a fluorescence using leaf metabolomic profiling can be used in the selection of valuable varieties of cereal crops to obtain plant fodders with high nutrient contents under conditions of a sharply continental climate.

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Section: Methodsmentioning

confidence: 99%

Metabolomic Profile and Functional State of Oat Plants (Avena sativa L.) Sown under Low-Temperature Conditions in the Cryolithozone

Nokhsorov,

Protopopov,

Sleptsov

et al. 2024

Plants

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Novel insights into discoloration of crude pine oleoresin during storage: Browning mechanisms via untargeted metabolomics

Li,

Yao,

Chen

et al. 2024

Industrial Crops and Products

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Do epiphytic lichens negatively impact their hosts through allelopathy? The effect of Evernia esorediosa on growth and biochemical processes of Larix gmelinii

Vitalievich,

Mikhailovna,

Andreevich

et al. 2023

Tree Physiology

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The question of the nature of the interaction between epiphytic lichens and their host trees remains highly debated. Some authors showed cases of allelopathy, but this needs further investigation. Our study covers the effects caused by the epiphytic lichen Evernia esorediosa (Müll. Arg.) Du Rietz on growth and biochemical processes in Larix gmelinii (Rupr.) Rupr. ex Kuzen trees in cryolithozone boreal forests. Usnic acid (UA) is shown to migrate from the thalli of E. esorediosa in the bark and phloem of L. gmelinii, from which it is transported to the root system of the tree, and then UA is moved upward through the xylem into tree needles. Accumulation of UA in L. gmelinii needles causes the following effects: inhibition of photosynthesis, cellular respiration and oxidative phosphorylation. These disruptions could reflect on the tree growth processes. The L. gmelinii trees inhabited by the epiphytic lichen E. esorediosa were found to show lower radial and apical growth parameters. Our results show that E. esorediosa exhibits an allelopathic effect toward L. gmelinii through the migration of UA from the lichen thalli to the tissues of the tree, which led to inhibition of energetic processes in cells. This caused the tree growth to slow down and could ultimately lead to its death.

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The year-round dynamic of metabolites accumulation in Pinus sylvestris needles in permafrost zone

Cited by 4 publications

References 42 publications

Metabolomic Profile and Functional State of Oat Plants (Avena sativa L.) Sown under Low-Temperature Conditions in the Cryolithozone

Metabolomic Profile and Functional State of Oat Plants (Avena sativa L.) Sown under Low-Temperature Conditions in the Cryolithozone

Novel insights into discoloration of crude pine oleoresin during storage: Browning mechanisms via untargeted metabolomics

Do epiphytic lichens negatively impact their hosts through allelopathy? The effect of Evernia esorediosa on growth and biochemical processes of Larix gmelinii

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