Biocontrol potential of fungal endophytes for pests management in cereals DOI

R. Chandraleka,

V. Ambethgar,

E. Kaviya

et al.

Biocontrol Science and Technology, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 42

Published: Dec. 9, 2024

Cereal production is vital for food security and economic growth, but insect infestations can significantly reduce crop yields quality, leading to substantial losses. Recent pest management strategies in cereal crops have incorporated innovative techniques, such as utilizing mutualistic plant-microbe interactions that trigger molecular defense mechanisms against pests. Entomopathogenic fungi, particularly Beauveria Metarhizium (Hypocreales), are naturally found soil infect a wide range of arthropod These fungi also colonize plants rhizosphere inhabitants endophytes, offering multiple benefits, including enhanced growth resistance. As these promote plant biomass herbivore development, consumption, oviposition, survival the field. Species like bassiana anisopliae shown potential controlling both chewing sap-sucking pests major cereals wheat, rice, maize, sorghum. However, exact through which control endophytes not yet fully understood. This review summarizes biological entomopathogenic fungi-plant their role control, exploring how could be integrated into discussing challenges application. Future research should focus on understanding adaptive enable function endophytic genetics influence improve suppression. By uncovering mechanisms, we enhance effectiveness fungi-based contributing more sustainable crops.

Language: Английский

Epigenetic Regulation of Fungal Secondary Metabolism DOI Creative Commons
Yufei Zhang, Wenbin Yu, Yi Lü

et al.

Journal of Fungi, Journal Year: 2024, Volume and Issue: 10(9), P. 648 - 648

Published: Sept. 13, 2024

Secondary metabolism is one of the important mechanisms by which fungi adapt to their living environment and promote survival reproduction. Recent studies have shown that epigenetic regulation, such as DNA methylation, histone modifications, non-coding RNAs, plays key roles in fungal secondary affect growth, survival, pathogenicity. This review describes recent advances study regulation metabolism. We discuss way markers respond environmental changes stimulate production biologically active compounds fungi, feasibility these new findings applied develop antifungal strategies optimize In addition, we deliberated on possible future directions research this field. A deeper understanding regulatory networks a focus for research.

Language: Английский

Citations

4
Induced Defense in Ryegrass–Epichloë Symbiosis Against Listronotus bonariensis: Impact on Peramine Levels and Pest Performance DOI Creative Commons
Manuel Chacón-Fuentes,

Gunnary León-Finalé,

Marcelo Lizama

et al.

Journal of Fungi, Journal Year: 2025, Volume and Issue: 11(1), P. 50 - 50

Published: Jan. 9, 2025

The Argentine stem weevil (ASW), a major pest in ryegrass pastures, causes significant agricultural losses. Ryegrass can establish symbiotic association with Epichloë endophytic fungi, which supply chemical defenses, including peramine. This symbiosis helps protect by providing peramine, acts as primary defense. In addition, activate induced defense mechanisms, peramine remaining the central agent response to herbivorous insect attacks. Therefore, this study assessed feeding of ASW on carrying fungus and levels aerial organs its effects performance. adults larvae were placed leaves stems assess feeding. Two treatments used: endophyte-free plants endophyte-colonized plants. After damage, consumption was measured leaf area consumed. To evaluate production increase attack, analyzed using liquid chromatography. Damaged E+ showed increases adult larval herbivory raising 291% 216% 135% 85% leaves, respectively, compared controls. Endophyte-free (E−) experienced more insects preferred them, showing reduced activity rose endophyte-infected (E+) An oviposition assay confirmed preference for Additionally, reared had lower survival rates, correlating negatively levels. These results emphasize peramine’s role strengthening defenses against ASW, impacting both development.

Language: Английский

Citations

0
Metarhizium fungi as plant symbionts DOI Creative Commons

Xingyuan Tang,

Xinmiao Wang,

Xianxian Cheng

et al.

New plant protection., Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 4, 2025

Abstract Metarhizium fungi are pathogens of arthropods, with several early‐diverged species infecting lizards or mushrooms. Most also beneficial plant symbionts, and they mainly colonize rhizosphere rhizoplane some strains colonizing leaves stems. The development association commence either by the attachment spores to roots colonization. Rhizosphere hyphae further attracted nutrient‐rich root exudates, facilitating Both undifferentiated differentiated (characterized appressorial formation) can penetrate between epidermal cells, sporadical Plant‐derived reactive oxygen play a crucial role in limiting cell colonization . utilizes plant‐derived sugars fatty acids for growth while transferring insect‐derived nitrogen plants. Additionally, facilitates plant’s utilization environmental phosphorus, zinc, iron via increasing bioavailability these nutrients. improve resistance herbivores, microbial pathogens, abiotic stresses. Given their versatile benefits plants, has been developed as insecticides, fertilizers, immunity promoters. In addition terrestrial ecosystems, recent studies report that inhabits aquatic wetland which could enhance understanding biology ecology widen applications.

Language: Английский

Citations

0
The Susceptibility of Two Beauveria bassiana Strains on Rice Pests Nilaparvata lugens and Sogatella furcifera DOI Creative Commons
Zhongwei Chen, Hui‐Jun Mu,

Yifan Peng

et al.

Journal of Fungi, Journal Year: 2025, Volume and Issue: 11(2), P. 128 - 128

Published: Feb. 8, 2025

Entomopathogenic fungi represent a valuable natural resource with significant potential as biological agents for pest management. However, different species or strains of demonstrate varying effectiveness against specific targets. In this study, we assessed the impact two fungal strains, Beauveria bassiana KN801 and KN802, on rice planthoppers Ninaparvata lugens Sogatella furcifera, in combination insecticides. Our findings indicate that both B. can effectively infect nymphs adults N. S. resulting significantly higher mortality rate compared to control groups. Notably, strain demonstrated greater virulence than KN802 these pests. no differences were observed when using concentrations same (B. KN802) Additionally, showed germination over 90% after treatment combined several common insecticides like chlorfenapyr dinotefuran. The application dinotefuran could improve efficacy This study suggests have indicating their promise

Language: Английский

Citations

0
A Bacterial Endophyte Bacillus amyloliquefaciens W10 Enhances the Tomato Resistance Against Tuta absoluta DOI Creative Commons

Mingshi Qian,

Chuxing Sheng,

Mingying Zheng

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(3), P. 695 - 695

Published: March 13, 2025

The tomato leafminer, Tuta absoluta, is a destructive invasive pest worldwide. Bacillus amyloliquefaciens W10, bacterium isolated from the rhizosphere of tomatoes, classified as plant growth-promoting rhizobacterium. However, whether B. W10 can improve resistance against T. absoluta remains unclear. In this study, we found that promoted growth and significantly reduced fecundity absoluta. To further evaluate effects on tomato’s to age-stage, two-sex life table, oviposition preference test were carried out investigate individual fitness, population parameters, behavior Compared control, intrinsic rate increase (rm), net reproductive (R0), finite (λ) in treatment group reduced, while doubling time (DT) was increased. Meanwhile, preferences for treated plants reduced. After infestation, electrical conductivity hydrogen peroxide (H2O2) content leaves after lower than those peroxidase (POD), polyphenol oxidase (PPO), jasmonic acid (JA), salicylic (SA) levels higher. addition, O2−, superoxide dismutase (SOD), catalase (CAT) also affected. qRT-RCR analyses revealed colonization induced expressions JA- SA-related genes, including AOS1, AOC, PAL1, SAMT, infestation. These findings provide valuable insights theoretical support application beneficial endophytes induce tomatoes

Language: Английский

Citations

0
Unraveling the Intricacies of Powdery Mildew: Insights into Colonization, Plant Defense Mechanisms, and Future Strategies DOI Open Access

Chunmei Gan,

Ting Tang, Ziyu Zhang

et al.

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(8), P. 3513 - 3513

Published: April 9, 2025

Powdery mildew, a debilitating phytopathogen caused by biotrophic fungi within the order Erysiphales, endangers crop yields and global food security. Although traditional approaches have largely emphasized resistant cultivar development chemical control, novel strategies are necessary to counter advent of challenges, such as pathogen adaptation climate change. This review fully discusses three principal areas effector functions, e.g., reactive oxygen species (ROS)-suppressive activity CSEP087, host susceptibility factors, like vesicle trafficking regulated Mildew Locus O (MLO). It also briefly mentions transcriptional regulation resistance genes mediated WRKY75 NAC transcription post-transcriptional via alternative splicing (As). In addition, this discussion intricate interactions among powdery plants, symbiotic microbiomes thereof, highlighting mechanism through which mildew infections disrupt foliar microbiota balance. Lastly, we present new biocontrol approach that entails synergistic microbial consortia, combinations Bacillus Trichoderma, induce plant immunity while minimizing fungicide dependency. Through study combining knowledge molecular pathogenesis with ecological resilience, research offers useful insights towards climate-smart sustainable disease-management in context microbiome engineering.

Language: Английский

Citations

0
Biocontrol potential of fungal endophytes for pests management in cereals DOI

R. Chandraleka,

V. Ambethgar,

E. Kaviya

et al.

Biocontrol Science and Technology, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 42

Published: Dec. 9, 2024

Cereal production is vital for food security and economic growth, but insect infestations can significantly reduce crop yields quality, leading to substantial losses. Recent pest management strategies in cereal crops have incorporated innovative techniques, such as utilizing mutualistic plant-microbe interactions that trigger molecular defense mechanisms against pests. Entomopathogenic fungi, particularly Beauveria Metarhizium (Hypocreales), are naturally found soil infect a wide range of arthropod These fungi also colonize plants rhizosphere inhabitants endophytes, offering multiple benefits, including enhanced growth resistance. As these promote plant biomass herbivore development, consumption, oviposition, survival the field. Species like bassiana anisopliae shown potential controlling both chewing sap-sucking pests major cereals wheat, rice, maize, sorghum. However, exact through which control endophytes not yet fully understood. This review summarizes biological entomopathogenic fungi-plant their role control, exploring how could be integrated into discussing challenges application. Future research should focus on understanding adaptive enable function endophytic genetics influence improve suppression. By uncovering mechanisms, we enhance effectiveness fungi-based contributing more sustainable crops.

Language: Английский

Citations

0