Plant Defense Responses to Insect Herbivores Through Molecular Signaling, Secondary Metabolites, and Associated Epigenetic Regulation DOI Creative Commons
Deepak Kumar Mahanta,

J. Komal,

Ipsita Samal

et al.

Plant-Environment Interactions, Journal Year: 2025, Volume and Issue: 6(1)

Published: Feb. 1, 2025

ABSTRACT Over millions of years interactions, plants have developed complex defense mechanisms to counteract diverse insect herbivory strategies. These defenses encompass morphological, biochemical, and molecular adaptations that mitigate the impacts herbivore attacks. Physical barriers, such as spines, trichomes, cuticle layers, deter herbivores, while biochemical include production secondary metabolites volatile organic compounds (VOCs). The initial step in plant's involves sensing mechanical damage chemical cues, including oral secretions herbivore‐induced VOCs. This triggers changes plasma membrane potential driven by ion fluxes across plant cell membranes, activating signal transduction pathways. Key hormonal mediators, jasmonic acid, salicylic ethylene, orchestrate downstream responses, VOC release biosynthesis. review provides a comprehensive analysis responses herbivory, emphasizing early late mechanisms, encompassing physical cascades, synthesis, phytohormone signaling, epigenetic regulation.

Language: Английский

Two gene clusters and their positive regulator SlMYB13 that have undergone domestication-associated negative selection control phenolamide accumulation and drought tolerance in tomato DOI Creative Commons
Peng Cao,

Jun Yang,

Linghao Xia

et al.

Molecular Plant, Journal Year: 2024, Volume and Issue: 17(4), P. 579 - 597

Published: Feb. 6, 2024

Among plant metabolites, phenolamides, which are conjugates of hydroxycinnamic acid derivatives and polyamines, play important roles in adaptation to abiotic biotic stresses. However, the molecular mechanisms underlying phenolamide metabolism regulation as well effects domestication breeding on diversity tomato remain largely unclear. In this study, we performed a metabolite-based genome-wide association study identified two biosynthetic gene clusters (BGC7 BGC11) containing 12 genes involved metabolism, including four biosynthesis (two 4CL genes, one C3H gene, CPA gene), seven decoration (five AT UGT genes), transport protein (DTX29). Using co-expression network analysis further discovered that SlMYB13 positively regulates expression clusters, thereby promoting accumulation. Genetic physiological analyses showed BGC7, BGC11 enhance drought tolerance by enhancing scavenging reactive oxygen species increasing abscisic content tomato. Natural variation suggested were negatively selected during improvement, leading reduced cultivated Collectively, our discovers key mechanism reveals crop improvement shapes metabolic affect environmental adaptation.

Language: Английский

Citations

26

Exploring Phenolic Compounds as Natural Stress Alleviators in Plants- A Comprehensive Review DOI

Nancy Saini,

Anmol Anmol,

Sanjeev Kumar

et al.

Physiological and Molecular Plant Pathology, Journal Year: 2024, Volume and Issue: 133, P. 102383 - 102383

Published: Aug. 24, 2024

Language: Английский

Citations

24

Role of secondary metabolites in plant defense mechanisms: a molecular and biotechnological insights DOI
R. C. Upadhyay, Rajesh K. Saini,

P. K. Shukla

et al.

Phytochemistry Reviews, Journal Year: 2024, Volume and Issue: unknown

Published: May 24, 2024

Language: Английский

Citations

19

Boosting the human antiviral response in conjunction with natural plant products DOI Creative Commons
Rashmi Srivastava, Neeraj Kumar Dubey,

Megha Sharma

et al.

Frontiers in Natural Products, Journal Year: 2025, Volume and Issue: 3

Published: Jan. 7, 2025

The increasing prevalence of viral infections and the emergence drug-resistant or mutant strains necessitate exploration novel antiviral strategies. Accumulating evidence suggests that natural plant products have significant potential to enhance human response. Various (PNPs) known for their properties been evaluated ability modulate immune responses inhibit infections. Research has focused on understanding mechanisms by which these PNPs interact with system complement existing therapies. control compounds such as alkaloids, flavonoids, terpenoids, polyphenols promote cytokine synthesis, increase T-cell macrophage activity, activate genes. Studies investigated molecular interactions between PNPs, viruses, host cells, exploring combining conventional drugs efficacy. However, several challenges remain, including identifying, characterizing, standardizing PNP extracts, optimizing dosages, improving bioavailability, assessing long-term safety, navigating regulatory approval. promising is being explored develop new, effective, This review outlines a framework an integrative approach connect full in combating health. By treatments, more effective sustainable management diseases can be achieved.

Language: Английский

Citations

4

Plant secondary metabolites against biotic stresses for sustainable crop protection DOI
Tanzim Jahan, Md. Nurul Huda, Kaixuan Zhang

et al.

Biotechnology Advances, Journal Year: 2025, Volume and Issue: unknown, P. 108520 - 108520

Published: Jan. 1, 2025

Language: Английский

Citations

3

Endophytic entomopathogenic fungi enhance plant immune responses against tomato leafminer DOI

S M Ghafari,

Javad Karimi, Monireh Cheniany

et al.

Journal of Invertebrate Pathology, Journal Year: 2025, Volume and Issue: unknown, P. 108270 - 108270

Published: Jan. 1, 2025

Language: Английский

Citations

2

Resveratrol and Other Natural Oligomeric Stilbenoid Compounds and Their Therapeutic Applications DOI Creative Commons

Cosmina-Gabriela Duta-Bratu,

George Mihai Nițulescu, Dragoş Paul Mihai

et al.

Plants, Journal Year: 2023, Volume and Issue: 12(16), P. 2935 - 2935

Published: Aug. 14, 2023

The use of natural compounds as an alternative to synthetic molecules has become a significant subject interest in recent decades. Stilbenoids are group phenolic found many plant species and they have recently gained the focus multitude studies medicine chemistry, resveratrol being most representative molecule. In this review, we focused on research that illustrates therapeutic potential class considering various diseases with higher incidence rates. PubChem database was searched for bioactivities stilbenoids, while several keywords (i.e., “stilbenoids”, “stilbenoid anticancer”) were used query PubMed relevant studies. diversity simplicity stilbenes’ chemical structures together numerous biological sources key elements can simplify both isolation these drug design novel bioactive molecules. Resveratrol other related heterogeneously distributed plants mainly grapes wine. Natural stilbenes shown possess wide range activities, such antioxidant, anti-inflammatory, antihyperglycemic, cardioprotective, neuroprotective, antineoplastic properties. While is widely investigated its benefits disorders, further warranted properly harness less popular stilbenoid compounds.

Language: Английский

Citations

38

Effects of polystyrene microplastics on the phenylpropane metabolic pathway in cucumber plants DOI
Бо Лю,

Ruijing Li,

Haoran Zhuang

et al.

Environmental and Experimental Botany, Journal Year: 2024, Volume and Issue: 220, P. 105671 - 105671

Published: Feb. 1, 2024

Language: Английский

Citations

16

Antioxidant production promotes defense mechanism and different gene expression level in Zea mays under abiotic stress DOI Creative Commons
Qurban Ali,

Adnan Sami,

Muhammad Zeshan Haider

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: March 26, 2024

Abstract The growth and productivity of maize are severely affected by soil salinity. crucial determinants for the future performance plants productive seed germination seedling establishment; however, both stages liable to For grain, is an economically significant crop sensitive abiotic stresses. However, little known about defense responses salinity-induced antioxidant oxidative stress in maize. In our work, commercially available variety Raka-Poshi was grown pots 30 days under greenhouse conditions. To evaluate salt-induced oxidative/antioxidant salt 0, 25, 50, 75, 100 150 mM concentrations, treatments were provided using sodium chloride (NaCl). All biochemical indices calculated all NaCl while drought induced up 50% irrigation water. After germination, leaves collected measurement lipid peroxidase or malondialdehyde (MDA), glutathione reductase (GR), guaiacol (GPOD), hydrogen peroxide (H 2 O ), superoxide dismutase (SOD), lipoxygenase (LOX), catalase (CAT), ascorbate (APOD) glutathione- S -transferase (GST). results revealed a 47% reduction have shown that successive increase concentrations caused production. With concentration stress, lower levels H , SOD, MDA detected leaves. regarding morphology seedlings indicated root length shoot applications root-to-shoot weights found be increased decreased conditions During gene expression analysis collectively indicate that, conditions, nine mentioned enzyme-related genes consistently downregulated.

Language: Английский

Citations

15

A Comprehensive Analysis of Diversity, Structure, Biosynthesis and Extraction of Biologically Active Tannins from Various Plant-Based Materials Using Deep Eutectic Solvents DOI Creative Commons
Maja Molnar, Martina Jakovljević, Valentina Pavić

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(11), P. 2615 - 2615

Published: June 2, 2024

This paper explores the emerging subject of extracting tannins from various plant sources using deep eutectic solvents (DESs). Tannins are widely used in food and feed industries as they have outstanding antioxidant qualities greatly enhance flavor nutritional content a wide range products. Organic frequently traditional extraction techniques, which raises questions about their safety for human health environment. DESs present prospective substitute because low toxicity, adaptability, environmental friendliness. The fundamental ideas supporting application plant-based materials daily life all well covered this paper. Furthermore, covers impact parameters on yield extracted tannins, possible obstacles directions future research subject. includes challenges such high viscosity, intricated recovery compounds, thermal degradation, occurrence esterification. An extensive summary diversity, structure, biosynthesis, distribution, roles plants is given Additionally, thoroughly examines bioactivities metabolites.

Language: Английский

Citations

13