Effects of drought stress memory on the accumulation of stress-protective compounds in naturally grown pine and spruce

Карташов, А. В.; Zlobin, Ilya E.; Pashkovskiy, Pavel P.; Pojidaeva, E. S.; Ivanov, Yu. V.; Иванова, А. И.; Ivanov, V.; Марченко, С И; Nartov, Dmitry I.; Kuznetsov, Vladimir V.

doi:10.1016/j.plaphy.2023.107761

Cited by 2 publications

(2 citation statements)

References 42 publications

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“…Prime is considered to be a promising strategy for crop production to cope with future climate change. Plants can generate "stress memory" by pre-exposing to predisposing factors, and respond to biotic or abiotic stress events by combining antioxidant protection, osmotic regulation, and plant hormone responses [171][172][173]. Recent advances in elucidating the mechanistic basis of plant stress memory provide new opportunities for crop improvement.…”

Section: Waterlogging Stress Memory In Plantsmentioning

confidence: 99%

Updates and Prospects: Morphological, Physiological, and Molecular Regulation in Crop Response to Waterlogging Stress

Yang,

Li,

Liu

et al. 2023

Agronomy

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With the frequent occurrence of extreme weather such as typhoons and rainstorms, waterlogging has become one of the most important threats to global crop growth and production. Waterlogging limits plants’ access to oxygen and light, leading to disadvantageous changes in metabolism to disturb plant growth and development. To escape the damage of hypoxia or promote the diffusion of oxygen to submerged organs, plants respond to waterlogging stress by regulating their morphological structure, photosynthesis, respiration, energy metabolism, and endogenous plant hormone biosynthesis/signal transduction. The adventitious roots (AR), aerenchyma, and stem internode are the major target structure for waterlogging adaptation. The molecular mechanism of crop survival under waterlogging conditions and the key genes related photosynthesis, reactive oxygen species (ROS) homeostasis, and ethylene signal transduction are reviewed. We also elucidated recent advances in the study of interactions between various regulatory pathways and emphasized the important role of stress memory and cross-stress mechanisms in plant response to abiotic stress, indicating the importance of epigenetic modifications. On the basis of above, the research direction and focus of plants coping with waterlogging stress in the future are proposed. This review provides rich genetic resources and a theoretical basis for improving the genetic breeding of crop resistance to waterlogging.

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Section: Waterlogging Stress Memory In Plantsmentioning

confidence: 99%

Updates and Prospects: Morphological, Physiological, and Molecular Regulation in Crop Response to Waterlogging Stress

Yang,

Li,

Liu

et al. 2023

Agronomy

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“…ABA accumulates during drought stress and rapidly decreases upon rehydration [ 8 ]. Long-term water shortage induces the formation of stress memory that maintained a higher level of ABA accumulation in trees grown in more arid long-term conditions [ 21 ]. Osmoprotectants such as total soluble sugars and proteins were early accumulated in primed plants during the stress [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

Physiological responses to drought stress of three pine species and comparative transcriptome analysis of Pinus yunnanensis var. pygmaea

Xiao,

Zhao,

Wang

et al. 2024

BMC Genomics

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Drought stress can significantly affect plant growth, development, and yield. Fewer comparative studies have been conducted between different species of pines, particularly involving Pinus yunnanensis var. pygmaea (P. pygmaea). In this study, the physiological indices, photosynthetic pigment and related antioxidant enzyme changes in needles from P. pygmaea, P. elliottii and P. massoniana under drought at 0, 7, 14, 21, 28 and 35 d, as well as 7 days after rehydration, were measured. The PacBio single-molecule real-time (SMRT) and Illumina RNA sequencing were used to uncover the gene expression differences in P. pygmaea under drought and rehydration conditions. The results showed that the total antioxidant capacity (TAOC) of P. pygmaea was significantly higher than P. massoniana and P. elliottii. TAOC showed a continuous increase trend across all species. Soluble sugar (SS), starch content and non-structural carbohydrate (NSC) of all three pines displayed a "W" pattern, declining initially, increasing, and then decreasing again. P. pygmaea exhibits stronger drought tolerance and greater recovery ability under prolonged drought conditions. Through the PacBio SMRT-seq, a total of 50,979 high-quality transcripts were generated, and 6,521 SSR and 5,561 long non-coding RNAs (LncRNAs) were identified. A total of 2310, 1849, 5271, 5947, 7710, and 6854 differentially expressed genes (DEGs) were identified compared to the control (Pp0D) in six pair-wise comparisons of treatment versus control. bHLH, NAC, ERF, MYB_related, C3H transcription factors (TFs) play an important role in drought tolerance of P. pygmaea. KEGG enrichment analysis and Gene set enrichment analysis (GSEA) analysis showed that P. pygmaea may respond to drought by enhancing metabolic processes such as ABA signaling pathway, alpha-linolenic acid. Weighted gene co-expression network analysis (WGCNA) revealed GST, CAT, LEC14B, SEC23 were associated with antioxidant enzyme activity and TAOC. This study provides a basis for further research on drought tolerance differences among coniferous species.

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Effects of drought stress memory on the accumulation of stress-protective compounds in naturally grown pine and spruce

Cited by 2 publications

References 42 publications

Updates and Prospects: Morphological, Physiological, and Molecular Regulation in Crop Response to Waterlogging Stress

Updates and Prospects: Morphological, Physiological, and Molecular Regulation in Crop Response to Waterlogging Stress

Physiological responses to drought stress of three pine species and comparative transcriptome analysis of Pinus yunnanensis var. pygmaea

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