Epigenetic stress memory in gymnosperms

PLANT PHYSIOLOGY, Год журнала: 2024, Номер 195(2), С. 1117 - 1133

Опубликована: Янв. 31, 2024

Abstract Gymnosperms are long-lived, cone-bearing seed plants that include some of the most ancient extant plant species. These relict land have evolved to survive in habitats marked by chronic or episodic stress. Their ability thrive these environments is partly due their phenotypic flexibility, and epigenetic regulation likely plays a crucial part this plasticity. We review current knowledge on abiotic biotic stress memory gymnosperms possible mechanisms underlying long-term adaptations. also discuss recent technological improvements new experimental possibilities will advance our understanding hard-to-study plants.

Язык: Английский

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The Prospects of gene introgression from crop wild relatives into cultivated lentil for climate change mitigation

Frontiers in Plant Science, Год журнала: 2023, Номер 14

Опубликована: Март 10, 2023

Crop wild relatives (CWRs), landraces and exotic germplasm are important sources of genetic variability, alien alleles, useful crop traits that can help mitigate a plethora abiotic biotic stresses yield reduction arising due to global climatic changes. In the pulse genus Lens , cultivated varieties have narrow base recurrent selections, bottleneck linkage drag. The collection characterization resources offered new avenues for improvement development stress-tolerant, climate-resilient lentil with sustainable gains meet future food nutritional requirements. Most breeding such as high-yield, adaptation resistance diseases quantitative require identification trait loci (QTLs) marker assisted selection breeding. Advances in diversity studies, genome mapping advanced high-throughput sequencing technologies helped identify many stress-responsive adaptive genes, other CWRs. recent integration genomics plant has resulted generation dense genomic maps, massive genotyping, large transcriptomic datasets, single nucleotide polymorphisms (SNPs), expressed sequence tags (ESTs) research substantially allowed QTLs marker-assisted (MAS) Assembly its species genomes (~4Gbp) opens up newer possibilities understanding architecture evolution this legume crop. This review highlights strides high-density high-resolution QTL mapping, genome-wide MAS, databases assemblies traditionally bred amidst impending climate change.

Язык: Английский

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Epigenetic responses of trees to environmental stress in the context of climate change

Biological reviews/Biological reviews of the Cambridge Philosophical Society, Год журнала: 2024, Номер unknown

Опубликована: Авг. 27, 2024

ABSTRACT In long‐lived tree populations, when environmental change outpaces rates of evolutionary adaptation, plasticity in traits related to stress tolerance, dormancy, and dispersal may be vital for preventing extinction. While a population's genetic background partly determines its ability adapt changing environment, so too do the many types epigenetic modifications that occur within among which vary on timescales orders magnitude faster than emergence new beneficial alleles. Consequently, phenotypic driven by modification especially critical sessile, organisms such as trees must rely this keep pace with rapid anthropogenic change. studies have reported large effects DNA methylation, histone modification, non‐coding RNAs expression stress‐tolerance genes resulting responses, little is known about role these non‐model plants particularly trees. Here, we review findings plant epigenetics particular relevance or escape stressors associated climate Such include specific influences over drought, heat, salinity well dormancy traits. We also highlight promising concerning transgenerational inheritance an ‘stress memory’ plants. As information becoming increasingly easy obtain, close outlining ways ecologists can use better inform population management forecasting efforts. Understanding molecular mechanisms behind memory species offers path towards mechanistic understanding trees' responses

Язык: Английский

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Epigenetic variation: A major player in facilitating plant fitness under changing environmental conditions

Frontiers in Cell and Developmental Biology, Год журнала: 2022, Номер 10

Опубликована: Окт. 18, 2022

Recent research in plant epigenetics has increased our understanding of how epigenetic variability can contribute to adaptive phenotypic plasticity natural populations. Studies show that environmental changes induce switches either independently or complementation with the genetic variation. Although most induced gets reset between generations and is short-lived, some variation becomes transgenerational results heritable traits. The short-term responses provide first tier transient required for local adaptations while stress memory help plants respond better recurring long-term stresses. These variations translate into an additional diversity which stable epialleles. In recent years, studies have been conducted on populations related various biological processes, ecological factors, communities, habitats. With advent advanced NGS-based technologies, targeting diverse environments manifold enhance stimuli facilitating fitness. Taking all points together a frame, present review compilation present-day knowledge role its fitness benefits systems

Язык: Английский

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Genetic and Epigenetic Diversity of Pinus pinea L.: Conservation Implications for Priority Populations in Greece

Genes, Год журнала: 2025, Номер 16(4), С. 361 - 361

Опубликована: Март 21, 2025

Background/Objectives: The stone pine (Pinus pinea L.) is an evergreen coniferous species valued for its edible seeds, which provide significant economic benefits to local populations. Remarkable phenotypic plasticity but low genetic variation characterizes the species. In Greece, natural populations of P. are part Natura 2000 network and protected under Annex I Priority Habitat type 2270. These populations, located across six sites (including two islands), face increasing threats from tourism climate change, leading ecosystem degradation. Genetic epigenetic studies critical conservation forest because they insights into diversity, adaptive potential, resilience species, helping inform effective management strategies protect biodiversity in changing environments. This study aims assess diversity four using molecular markers propose ensure species’ long-term sustainability. Additionally, a preliminary investigation water potential maximum daily demand was conducted evaluate response. Methods: analysis performed Amplified Fragment Length Polymorphism (AFLP) markers, while Methylation-Susceptible (MSAP) markers. Sampling carried out areas, where patterns were examined. Furthermore, on peak conditions physiological adaptation environmental stress. Results: results this valuable by highlighting role adaptability pinea, despite variability. Understanding flexibility can efforts aimed at enhancing stressors, such as change. contributes identifying traits that may help predict survival varying conditions, guiding development more targeted practices plans. Further research could refine these findings strengthen their application efforts. Conclusions: conclusions emphasize importance informing particularly considering change human pressures. highlight need both in-situ ex-situ sustainability key recommendations include protection habitats, implementation controlled seed collection practices, further mechanisms enhance Future should focus deepening our understanding factors will be essential developing measures.

Язык: Английский

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Dracaena ombet in peril in Ethiopia: a call for attention and action

Biodiversity and Conservation, Год журнала: 2025, Номер unknown

Опубликована: Апрель 16, 2025

Язык: Английский

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Multiomics Molecular Research into the Recalcitrant and Orphan Quercus ilex Tree Species: Why, What for, and How

International Journal of Molecular Sciences, Год журнала: 2022, Номер 23(17), С. 9980 - 9980

Опубликована: Сен. 1, 2022

The holm oak (Quercus ilex L.) is the dominant tree species of Mediterranean forest and Spanish agrosilvopastoral ecosystem, “dehesa.” It has been, since prehistoric period, an important part Iberian population from a social, cultural, religious point view, providing ample variety goods services, forming basis economy in rural areas. Currently, there renewed interest its use for dietary diversification sustainable food production. cultural richness, both economically (tangible) environmentally (intangible), must be preserved future generations. However, worrisome degradation associated ecosystems occurring, observed increase decline mortality, which requires urgent action. Breeding programs based on selection elite genotypes by molecular markers only plausible biotechnological approach. To this end, authors’ group started, 2004, research line aimed at characterizing biology Q. ilex. been challenging task due to biological characteristics (long life cycle, allogamous, high phenotypic variability) recalcitrant nature. characterized following central dogma using omics cascade. Molecular responses biotic abiotic stresses, as well seed maturation germination, are two main objectives our research. contributions knowledge level DNA-based markers, genomics, epigenomics, transcriptomics, proteomics, metabolomics discussed here. Moreover, data compared with those reported Quercus spp. All generated, genome available, will integrated morphological physiological systems direction. Thus, we propose possible related resilient productive used reforestation programs. In addition, nutritional value acorn derivate products, bioactive compounds (peptides phenolics) allergens, suggested. Subsequently, selected validated genome-wide association functional genomic analyses.

Язык: Английский

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Epigenetics Regulation in Responses to Abiotic Factors in Plant Species: A Systematic Review

Plants, Год журнала: 2024, Номер 13(15), С. 2082 - 2082

Опубликована: Июль 27, 2024

Plants have several mechanisms to adapt or acclimate environmental stress. Morphological, physiological, genetic changes are examples of complex plant responses. In recent years, our understanding the role epigenetic regulation, which encompasses that do not alter DNA sequence, as an adaptive mechanism in response stressful conditions has advanced significantly. Some studies elucidated and synthesized their relationships with change, while others explored interplay between modifications shifts, aiming deepen these processes. this study, we performed a systematic review literature analyze progression epigenetics on species' responses abiotic factors. We also aimed identify most studied species, type factor studied, technique used scientific literature. For this, search for articles databases was carried out, after analyzing them using pre-established inclusion criteria, total 401 were found. The species

Язык: Английский

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Comparative analysis of epigenetic variability in two pine species exposed to chronic radiation in the Chernobyl and Fukushima affected zones

Environmental Pollution, Год журнала: 2023, Номер 330, С. 121799 - 121799

Опубликована: Май 9, 2023

Язык: Английский

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Weak genetic differentiation but strong climate-induced selective pressure toward the rear edge of mountain pine in north-eastern Spain

The Science of The Total Environment, Год журнала: 2022, Номер 858, С. 159778 - 159778

Опубликована: Окт. 26, 2022

Local differentiation at distribution limits may influence species' adaptive capacity to environmental changes. However, drivers, such gene flow and local selection, are still poorly understood. We focus on the role played by range in mountain forests test hypothesis that relict tree populations subjected genetic adaptation. Two alpine treelines of pine (Pinus uncinata Ram. ex DC) were investigated Spanish Pyrenees. Further, an isolated population forming southernmost limit north-eastern Spain was also investigated. Using genotyping sequencing, a matrix conformed single nucleotide polymorphisms (SNPs) obtained. This used perform genotype-environment genotype-phenotype associations, as well model risk non-adaptedness. Increasing climate seasonality appears essential element interpretation SNPs selective pressures. Genetic differentiations overall weak. The differences leaf mass area radial growth rate, identification several pressures, exceeded neutral predictions among populations. Despite drift might prevail population, Fst values (0.060 0.066) showed moderate Nm (3.939 3.555) indicate presence between both treelines. Nonetheless, selection pressures provide evidences possible treeline ecotones. Persistence boundaries seems involve traits, which significantly related enhanced drought P. range. conclude is unlikely constrain adaptation rear edge, although this species shows vulnerability future change scenarios involving warmer drier conditions.

Язык: Английский

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