Advances in Physiochemical and Molecular Mechanisms of Abiotic Stress Tolerance in Plants

Deleted Journal, Journal Year: 2024, Volume and Issue: 76(4), P. 753 - 767

Published: June 6, 2024

Climate change has exacerbated the rate and intensity of abiotic stresses such as drought salinity, posing significant threats to crop growth yield. This review comprehensively explores recent physiochemical molecular approaches stress tolerance in plants. It highlights complex physiological adjustments, including stomatal regulation, osmotic balance, altered patterns, that plants undergo response environmental stressors. The delves into biochemical pathways involved response, notably glyoxalase system ascorbate-glutathione pathway, emphasizing their roles maintaining cellular homeostasis detoxifying reactive oxygen species. A portion is dedicated elucidating mechanisms underlying plant tolerance, focusing on modulation gene expression, regulation stress-responsive genes, potential genetic engineering enhance resilience. We also discuss contribution secondary metabolites both enzymatic non-enzymatic antioxidants mitigating adverse effects stress. Moreover, addresses advancements technological tools have revolutionized our understanding physiology, genomic editing transcriptomic analyses. comprehensive synthesis current research findings provides valuable insights development innovative strategies stress, contributing significantly field sustainable agriculture global food security era climate change.

Language: Английский

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Intersecting planetary health: Exploring the impacts of environmental stressors on wildlife and human health

Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 283, P. 116848 - 116848

Published: Aug. 7, 2024

This comprehensive review articulates critical insights into the nexus of environmental stressors and their health impacts across diverse species, underscoring significant findings that reveal profound effects on both wildlife human systems. Central to our examination is role pollutants, climate variables, pathogens in contributing complex disease dynamics physiological disruptions, with particular emphasis immune endocrine functions. research brings light emerging evidence severe implications pressures a variety taxa, including predatory mammals, raptorial birds, seabirds, fish, humans, which are pivotal as indicators broader ecosystem stability. We delve nuanced interplay between degradation zoonotic diseases, highlighting novel intersections pose risks biodiversity populations. The critically evaluates current methodologies advances understanding morphological, histopathological, biochemical responses these organisms stressors. discuss for conservation strategies, advocating more integrated approach incorporates zoonoses pollution control. synthesis not only contributes academic discourse but also aims influence policy by aligning Global Goals Sustainable Development. It underscores urgent need sustainable interactions humans environments, preserving ensuring global security. By presenting detailed analysis interdependencies biological health, this highlights gaps provides foundation future studies aimed at mitigating pressing issues. Our study it proposes integrative actionable strategies address challenges intersection change public marking crucial step forward planetary science.

Language: Английский

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Genome-wide analysis of the common bean (Phaseolus vulgaris) laccase gene family and its functions in response to abiotic stress

BMC Plant Biology, Journal Year: 2024, Volume and Issue: 24(1)

Published: July 19, 2024

Abstract Background Laccase (LAC) gene family plays a pivotal role in plant lignin biosynthesis and adaptation to various stresses. Limited research has been conducted on laccase genes common beans. Results 29 LAC members were identified within the bean genome, distributed unevenly 9 chromosomes. These divided into 6 distinct subclades by phylogenetic analysis. Further analyses synteny indicated that considerable duplication loss presented throughout evolution of family. Purified selection was shown be major evolutionary force through Ka / Ks. Transcriptional changes PvLAC under low temperature salt stress observed, emphasizing regulatory function these such conditions. Regulation abscisic acid gibberellins appears case for PvLAC3 , PvLAC4 PvLAC7 PvLAC13 PvLAC14 PvLAC18 PvLAC23 PvLAC26 as hormone induction experiments. Additionally, regulation response nicosulfuron low-temperature virus-induced silence, which demonstrated inhibition growth development Conclusions The provides valuable genetic resources improving resistance beans abiotic stresses enhance understanding functional roles

Language: Английский

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Genome-Wide Analysis of the ABCB Family and Its Expression in Adventitious Root Development of Paeonia ostii

Horticulturae, Journal Year: 2025, Volume and Issue: 11(2), P. 138 - 138

Published: Jan. 28, 2025

Tree peony (Paeonia ostii T. Hong et J. X. Zhang) is an important medicinal and ornamental plant. It would be useful to propagate this plant in tissue culture, but it difficult induce root formation. Auxin plays a pivotal role adventitious formation, ABCB transporter proteins are involved auxin transport. To elucidate the function of family P. ostii, we identified members gene genome analyzed functional characteristics putative proteins. In total, 29 genes were P.ostii, distributed on five chromosomes. phylogenetic analysis, PoABCBs grouped into four subfamilies, with largest being Subfamily I, characterized by their MDR structure. PoABCB same subfamily exhibited similar intron/exon arrangements motif composition. The promoters contained cis-acting elements associated photoresponse hormone signaling. qRT-PCR analyses showed that, after treatment tissue-cultured seedlings auxin, (PoABCB6, PoABCB10, PoABCB11, PoABCB12, PoABCB16) significantly upregulated during development. These may play roles response development vitro.

Language: Английский

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ROLE OF MODERN BIOTECHNOLOGY IN IMPROVING CROP PROTECTION

Bulletin of Biological and Allied Sciences Research, Journal Year: 2025, Volume and Issue: 2025(1), P. 100 - 100

Published: March 20, 2025

Biotechnology plays a transformative role in enhancing agricultural productivity and crop protection by integrating cutting-edge genetic tools, including engineering, marker-assisted selection, molecular diagnostics. These have led to the development of genetically modified crops (GMOs) improved pest, disease, abiotic stress resistance through gene editing techniques like CRISPR-Cas9. Besides that, innovations bioinformatics simulation modeling optimized farming techniques, residual harvesting, without causing detrimental environmental impacts emission greenhouse gases soil degradation. Residual harvesting has shown significant on yield health. Research shows that with accurate residue management, it is possible enhance fertility performance while reducing carbon emissions erosion. Molecular markers, such as SNPs AFLPs, are instrumental fast-tracking breeding programs produce varieties tolerant biotic stresses so resilient may be produced. applications, precision breeding, transformed agriculture introducing traits include drought heat tolerance, nutrient efficiency, enhanced yields. Successful case studies, Bt cotton, golden rice, blight-resistant potatoes, illustrative potential biotechnology solve challenges global food security. The IPM strategies, grounded biotechnological breakthroughs, reduced usage chemical inputs, therefore promoting sustainable practices. This multidimensional approach underscores biotechnology's addressing growing population, ensuring security, fostering development. Through merging traditional practices modern presents pathway toward resilient, high-yielding, environmentally systems.

Language: Английский

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Genome-wide identification and gene expression pattern analysis of the carotenoid cleavage oxygenase gene family in Fagopyrum tataricum

BMC Plant Biology, Journal Year: 2025, Volume and Issue: 25(1)

Published: April 12, 2025

Carotenoid cleavage oxygenases (CCOs) convert carotenoids into volatile aromatic compounds implicated in plant growth and development. They affect the synthesis of hormones, including abscisic acid (ABA) strigolactone (SL). However, CCO family Tartary buckwheat remains unelucidated. We identified FtCCO gene based on genomic data analyzed biological function genes using bioinformatics methods expression pattern fluorescence quantitative PCR. Three pairs fragment duplication were found FtCCOs, motifs highly conserved within same subfamily. are closely related to dicotyledonous Arabidopsis thaliana, which has highest number co-linear genes. The qRT-PCR showed that among tissue-specific patterns genes, FtCCOs was higher leaves. In grain development, relative most at later stage. many stems under cold, dark, NaCl, abiotic stress conditions. hormone regulator treatments, nine relatively low stems. Notably, FtNCED4 extremely high induction, indicating may be involved development buckwheat. this study, genome-wide level, different tissues or treatments determined. This study provides a theoretical basis for further analysis functions theFtCCO family, is great significance mining resistance trait improvement.

Language: Английский

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Genome-Wide Identification and Classification of Arabinogalactan Proteins Gene Family in Gossypium Species and GhAGP50 Increases Numbers of Epidermal Hairs in Arabidopsis

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(9), P. 4159 - 4159

Published: April 27, 2025

Arabinogalactan proteins (AGPs) constitute a diverse class of hydroxyproline-rich glycoproteins implicated in various aspects plant growth and development. However, their functional characterization cotton (Gossypium spp.) remains limited. As globally significant economic crop, serves as the primary source natural fiber, making it essential to understand genetic mechanisms underlying its This study aims perform comprehensive genome-wide identification AGP gene family Gossypium spp., with particular focus on elucidating structural features, evolutionary relationships, roles. A analysis was conducted identify genes followed by classification into distinct subfamilies based sequence characteristics. Protein motif composition, structure, phylogenetic relationships were examined infer potential diversification. Subcellular localization key candidate gene, GhAGP50, determined using fluorescent protein tagging, while expression patterns assessed through β-glucuronidase (GUS) reporter assays. Additionally, hormonal regulation GhAGP50 investigated via treatments methyl jasmonate (MeJA), abscisic acid (ABA), indole-3-acetic (IAA), gibberellin (GA). total 220 identified comprising 19 classical AGPs, 28 lysine-rich 55 AG peptides, 118 fasciclin-like AGPs (FLAs). Structural analyses revealed variation organization conserved motifs across subfamilies. Functional an ortholog AGP18 Arabidopsis thaliana, demonstrated role promoting epidermal hair formation leaves stalks. studies indicated that is targeted nucleus plasma membrane. GUS staining assays broad multiple tissues, including leaves, inflorescences, roots, stems. Furthermore, treatment experiments showed modulated MeJA, ABA, IAA, GA, suggesting involvement hormone-mediated developmental processes. presents cotton, providing new insights diversity significance. The highlight regulation, contributing deeper understanding functions These findings offer valuable resource for future research aimed at improving fiber quality manipulation.

Language: Английский

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Genome-wide identification of the CYP82 gene family in cucumber and functional characterization of CsCYP82D102 in regulating resistance to powdery mildew

PeerJ, Journal Year: 2024, Volume and Issue: 12, P. e17162 - e17162

Published: March 28, 2024

The cytochrome P450 (CYP450) gene family plays a vital role in basic metabolism, hormone signaling, and enhances plant resistance to stress. Among them, the CYP82 is primarily found dicots, they are typically activated response various specific environmental stresses. Nevertheless, their roles remain considerably obscure, particularly within context of cucumber. In present study, 12 subfamily genes were identified cucumber genome. Bioinformatics analysis included structure, conserved motif, cis-acting promoter element, so on. Subcellular localization predicted that all located endoplasmic reticulum. results cis element showed CYP82s may significantly affect stress, hormones, light exposure. Expression patterns characterized by mining available RNA-seq data followed qRT-PCR (quantitative real-time polymerase chain reaction) analysis. Members display expression profiles different tissues, PM abiotic stresses this CsCYP82D102 , member family, was investigated. upregulation powdery mildew (PM) infection treatment with methyl jasmonate (MeJA) or salicylic acid (SA) demonstrated. Further research transgenic plants overexpressing heightened against PM. Wild-type (WT) leaves exhibited average lesion areas approximately 29.7% at 7 dpi upon inoculation. contrast, two independent overexpression lines (OE#1 OE#3) displayed reduced necrotic areas, 13.4% 5.7%. Additionally, enhanced associated elevated related SA/MeJA signaling pathway plants. This study provides theoretical basis for further on biological functions

Language: Английский

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Genome-wide identification and expressional analysis of carotenoid cleavage oxygenase (CCO) gene family in Betula platyphylla under abiotic stress

BMC Genomics, Journal Year: 2024, Volume and Issue: 25(1)

Published: Sept. 18, 2024

Carotenoid cleavage oxygenases (CCOs) are a group of enzymes that catalyze the oxidative carotenoid molecules. These widely exist in plants, fungi, and certain bacteria, involved various biological processes. It would be great importance necessity to identify CCO members birch characterize their responses upon abiotic stresses.

Language: Английский

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Molecular Characteristics and Expression Patterns of Carotenoid Cleavage Oxygenase Family Genes in Rice (Oryza sativa L.)

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(19), P. 10264 - 10264

Published: Sept. 24, 2024

Carotenoid cleavage oxygenases (CCOs) cleave carotenoid molecules to produce bioactive products that influence the synthesis of hormones such as abscisic acid (ABA) and strigolactones (SL), which regulate plant growth, development, stress adaptation. Here, explore molecular characteristics all members OsCCO family in rice, fourteen genes were identified genome-wide study. The results revealed included one OsNCED four OsCCD subfamilies. was phylogenetically close maize ZmCCO Sorghum SbCCO family. A collinearity relationship observed between OsNCED3 OsNCED5 well OsCCD7 rice Arabidopsis, Sorghum, maize. OsCCD4a key protein interaction network family, involved catabolic processes carotenoids terpenoid compounds. miRNAs targeting mostly abiotic response, RNA-seq data further confirmed properties response hormone induction. qRT-PCR analysis showed differential expression patterns across various organs. Notably, OsCCD1 relatively high levels organs except for ripening seeds endosperm. OsNCED2a, OsNCED3, OsCCD1, OsCCD4a, OsCCD7, OsCCD8a, OsCCD8e potentially growth differentiation. Meanwhile, OsNCED2b, OsNCED5, OsCCD8b, OsCCD8d associated with reproductive organ flowering, seed formation. OsCCD4b, OsCCD4c, OsCCD8c related assimilate transport maturation. These findings provide a theoretical basis functional

Language: Английский

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