Application of silver and selenium nanoparticles to enhance plant-defense response against biotic stressors

Acta Physiologiae Plantarum, Год журнала: 2025, Номер 47(2)

Опубликована: Янв. 27, 2025

Язык: Английский

---

The multifarious role of callose and callose synthase in plant development and environment interactions

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

Опубликована: Май 31, 2023

Callose is an important linear form of polysaccharide synthesized in plant cell walls. It mainly composed β-1,3-linked glucose residues with rare amount β-1,6-linked branches. can be detected almost all tissues and are widely involved various stages growth development. accumulated on plates, microspores, sieve plasmodesmata walls inducible upon heavy metal treatment, pathogen invasion, mechanical wounding. cells by callose synthases located the membrane. The chemical composition components were once controversial until application molecular biology genetics model Arabidopsis thaliana that led to cloning genes encoding responsible for biosynthesis. This minireview summarizes research progress its synthetizing enzymes recent years illustrate versatile role life activities.

Язык: Английский

---

Detection, Diagnosis, and Preventive Management of the Bacterial Plant Pathogen Pseudomonas syringae

Plants, Год журнала: 2023, Номер 12(9), С. 1765 - 1765

Опубликована: Апрель 25, 2023

Plant diseases caused by the pathogen Pseudomonas syringae are serious problems for various plant species worldwide. Accurate detection and diagnosis of P. infections critical effective management these diseases. In this review, we summarize current methods syringae, including traditional techniques such as culture isolation microscopy, relatively newer PCR ELISA. It should be noted that each method has its advantages disadvantages, choice depends on specific requirements, resources laboratory, field settings. We also discuss future trends in field, need more sensitive to detect pathogens at low concentrations can used diagnose co-existing with other pathogens. Modern technologies genomics proteomics could lead development new highly accurate based analysis genetic protein markers Furthermore, using machine learning algorithms analyze large data sets yield insights into biology novel diagnostic strategies. This review enhance our understanding help foster related

Язык: Английский

---

Heat Stress and Plant–Biotic Interactions: Advances and Perspectives

Plants, Год журнала: 2024, Номер 13(15), С. 2022 - 2022

Опубликована: Июль 23, 2024

Climate change presents numerous challenges for agriculture, including frequent events of plant abiotic stresses such as elevated temperatures that lead to heat stress (HS). As the primary driving factor climate change, HS threatens global food security and biodiversity. In recent years, have negatively impacted physiology, reducing plant's ability maintain disease resistance resulting in lower crop yields. Plants must adapt their priorities toward defense mechanisms tolerate challenging environments. Furthermore, selective breeding long-term domestication higher yields made varieties vulnerable multiple stressors, making them more susceptible events. Studies on predict concurrent biotic will become severe future, potentially occurring simultaneously or sequentially. While most studies focused singular effects systems examine how plants respond specific stresses, simultaneous occurrence pose a growing threat agricultural productivity. Few explored interactions between plant-biotic interactions. Here, we aim shed light physiological molecular (bacteria, fungi, oomycetes, nematodes, insect pests, pollinators, weedy species, parasitic plants), well combined impact growth We also advances designing developing various strategies address multi-stress scenarios related factors.

Язык: Английский

---

Pseudomonas chlororaphis IRHB3 assemblies beneficial microbes and activates JA-mediated resistance to promote nutrient utilization and inhibit pathogen attack

Frontiers in Microbiology, Год журнала: 2024, Номер 15

Опубликована: Фев. 5, 2024

Introduction The rhizosphere microbiome is critical to plant health and resistance. PGPR are well known as plant-beneficial bacteria generally regulate nutrient utilization responses environmental stimuli. In our previous work, one typical strain, Pseudomonas chlororaphis IRHB3, isolated from the soybean rhizosphere, had positive impacts on soil-borne disease suppression growth promotion in greenhouse, but its biocontrol mechanism application field not unclear. Methods current study, IRHB3 was introduced into soil, effects local microbiome, resistance, were comprehensively analyzed through high-throughput sequencing physiological molecular methods. Results discussion We found that significantly increased richness of bacterial community structure rhizosphere. Functional related phosphorus solubilization nitrogen fixation, such Geobacter , Geomonas Candidatus Solibacter Occallatibacter Koribacter recruited rich abundance by compared those without IRHB3. addition, supplement obviously maintained homeostasis disturbed F. oxysporum resulting a lower index root rot when with . Furthermore, JA-mediated induced resistance rapidly activated following PDF1.2 LOX2 expression, meanwhile, set nodulation genes, GmENOD40b GmNIN-2b GmRIC1 also considerably improve fixation ability promote yield, even plants infected Thus, tends synergistically interact microbes host induce field.

Язык: Английский

---

Growth promotion and biological control of fungal diseases in tomato by a versatile rhizobacterium, Pseudomonas chlororaphis subsp. aureofaciens SPS-41

Physiological and Molecular Plant Pathology, Год журнала: 2024, Номер 131, С. 102274 - 102274

Опубликована: Март 25, 2024

Язык: Английский

---

Microbes mediated induced systemic response in plants: A review

Plant Stress, Год журнала: 2023, Номер 11, С. 100334 - 100334

Опубликована: Дек. 25, 2023

Biotic stress affects economically important crop species and leads to quality yield losses. Plants exhibit the ability of responding pathogen attack by synthesizing compounds which either inhibition or reduction disease incidence. live in close association with microbial communities. Microbes their metabolites impact health plants supplying mineral nutrients, hormonal modulation protection from pathogenic organisms. Induced systemic response is one major mechanisms employed microbes biocontrol. Beneficial release certain as elicitors rhizospheric region are perceived plant roots signals that increase defense resistance against phytopathogens. The phytohormones such ethylene, jasmonic acid, salicylic acid involved regulation induced responses. present review highlights negative biotic on how further discussing role response, molecular draws attention scientific community explore new control alternatives.

Язык: Английский

---

Plant Growth Promotion and Plant Disease Suppression Induced by Bacillus amyloliquefaciens Strain GD4a

Plants, Год журнала: 2024, Номер 13(5), С. 672 - 672

Опубликована: Фев. 28, 2024

Botrytis cinerea, the causative agent of gray mold disease (GMD), invades plants to obtain nutrients and disseminates through airborne conidia in nature. Bacillus amyloliquefaciens strain GD4a, a beneficial bacterium isolated from switchgrass, shows great potential managing GMD plants. However, precise mechanism by which GD4a confers benefits remains elusive. In this study, an A. thaliana-B. cinerea-B. multiple-scale interaction model was used explore how bacteria play essential roles plant growth promotion, pathogen suppression, immunity boosting. Arabidopsis Col-0 wild-type served as testing ground assess GD4a’s efficacy. Additionally, bacterial enzyme activity targeted metabolite tests were conducted validate for enhancing suppressing pathogens diseases. subjected co-incubation with various bacterial, fungal, oomycete evaluate its antagonistic effectiveness vitro. vivo inoculation assays also carried out investigate role regulating host immunity. Bacterial extracellular exudate (BEE) extracted, purified, untargeted metabolomics analysis. Benzocaine (BEN) analysis selected further study function related mechanisms mutant qRT-PCR Finally, comprehensive formulated summarize applying agricultural systems. Our demonstrates efficacy growth, diseases, bolstering Importantly, produces functional that significantly disrupts pathogenicity B. cinerea inhibiting fungal conidium germination hypha formation. our identifies benzocaine novel small molecule triggers basal defense, ISR, SAR responses can effectively promote suppress disease, boost BEE production diverse gene expression.

Язык: Английский

---

Seed endophytes reshape rhizosphere microbiota to promote the growth of Eucommia ulmoides seedlings

Applied Soil Ecology, Год журнала: 2024, Номер 201, С. 105487 - 105487

Опубликована: Июнь 15, 2024

Язык: Английский

---

Role of Methyl thiobutyrate to Botrytis cinerea on cucumber

Frontiers in Plant Science, Год журнала: 2025, Номер 16

Опубликована: Апрель 8, 2025

Botrytis cinerea is a major agricultural pathogen that causes significant economic Q7 losses worldwide, affecting various crops, including cucumbers. Developing environmentally sustainable control strategies for this crucial. Methyl thiobutyrate (MTB), small organic molecule identified in the volatile compounds (VOCs) of biocontrol bacteria, has demonstrated potential inhibiting B. both vitro and vivo. In study, efficacy MTB against cucumber gray mold disease was examined by assessing vivo activities analyzing transcriptomic data from MTB-treated leaves infected with cinerea. This study shows 2 mg/mL solution inhibits growth 98.6% vitro. vivo, effectively reduces infection cucumbers, alleviates necrotic damage leaf tissues, significantly severity. Transcriptomic analysis reveals activates plant immune responses modulating key MAPK cascade signaling genes upregulating basal defense genes, chitinase, pectinase, lignin biosynthesis genes. Furthermore, influences pathways salicylic acid (SA), jasmonic (JA), ethylene (ET), resulting upregulation such as peroxidase (POD), phenylalanine ammonia-lyase (PAL), lipoxygenase (LOX), ethyleneresponsive transcription factors (ERFs). These results demonstrate an effective agent provide valuable insights into its underlying mechanisms action.

Язык: Английский

---