Fungi on the cuticle surface increase the resistance of Aedes albopictus to deltamethrin DOI Open Access

Ju‐Ping Hu,

Si‐Jia Deng,

Lin Gu

et al.

Insect Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 19, 2025

Abstract Aedes albopictus ( Ae. ) is widely distributed and can transmit many infectious diseases, insecticide‐based interventions play an important role in vector control. However, increased insecticide resistance has become a severe public health problem, the clarification of its detailed mechanism matter urgence. This study found that target‐site metabolic could not fully explain field , there were likely other mechanisms involved. The 16S internal transcribed spacer sequencing revealed significant differences species compositions cuticle surface symbiotic bacteria fungi between deltamethrin (DM)‐resistant (DR) DM‐susceptible (DS) . Additionally, abundances Serratia spp. Candida significantly after DM treatment. Furthermore, 2 Rhodotorula mucilaginosa melibiosica 3 marcescens Klebsiella aerogenes sp.) isolated from DR use as their sole carbon source. After reinoculation onto DS R. C. enhanced Moreover, transcriptome surviving exposure gene expression cytochrome P450 enzymes glutathione‐S‐transferases increased, suggesting besides direct degradation, candidate degrading microbes also cause via indirect enhancement mosquito expression. In conclusion, we demonstrated involved development providing novel supplementary insights into mechanisms.

Language: Английский

Role of Insect Gut Microbiota in Pesticide Degradation: A Review DOI Creative Commons
Junaid Ali Siddiqui, Muhammad Musa Khan, Bamisope Steve Bamisile

et al.

Frontiers in Microbiology, Journal Year: 2022, Volume and Issue: 13

Published: May 3, 2022

Insect pests cause significant agricultural and economic losses to crops worldwide due their destructive activities. Pesticides are designed be poisonous intentionally released into the environment combat menace caused by these noxious pests. To survive, insects can resist toxic substances introduced humans in form of pesticides. According recent findings, microbes that live insect as symbionts have recently been found protect hosts against toxins. Symbioses formed between various microbes, a defensive mechanism pathogens Insects’ guts provide unique conditions for microbial colonization, resident bacteria deliver numerous benefits hosts. Insects vary significantly reliance on gut basic functions. digestive tracts very different shape chemical properties, which big impact structure composition community. microbiota has contribute feeding, parasite pathogen protection, immune response modulation, pesticide breakdown. The current review will examine roles detoxification mechanisms behind development resistance better understand detoxifying agriculturally pest insects, we provided comprehensive information regarding role

Language: Английский

Citations

102

Toxicology and Microbiota: How Do Pesticides Influence Gut Microbiota? A Review DOI Open Access

Federica Giambò,

Michele Teodoro, Chiara Costa

et al.

International Journal of Environmental Research and Public Health, Journal Year: 2021, Volume and Issue: 18(11), P. 5510 - 5510

Published: May 21, 2021

In recent years, new targets have been included between the health outcomes induced by pesticide exposure. The gastrointestinal tract is a key physical and biological barrier it represents primary site of exposure to toxic agents. Recently, intestinal microbiota has emerged as notable factor regulating pesticides’ toxicity. However, specific mechanisms related this interaction are not well known. review, we discuss influence on gut microbiota, discussing factors influencing microbial diversity, summarize updated literature. conclusion, more studies needed clarify host–microbial relationship concerning define prevention interventions, such identification biomarkers mucosal function.

Language: Английский

Citations

87

Toxic effects of acute exposure to polystyrene microplastics and nanoplastics on the model insect, silkworm Bombyx mori DOI
Abrar Muhammad, Xiaoxia Zhou, Jintao He

et al.

Environmental Pollution, Journal Year: 2021, Volume and Issue: 285, P. 117255 - 117255

Published: April 30, 2021

Language: Английский

Citations

86

Dietary exposure of copper and zinc oxides nanoparticles affect the fitness, enzyme activity, and microbial community of the model insect, silkworm Bombyx mori DOI
Abrar Muhammad, Jintao He, Ting Yu

et al.

The Science of The Total Environment, Journal Year: 2021, Volume and Issue: 813, P. 152608 - 152608

Published: Dec. 30, 2021

Language: Английский

Citations

60

Diversity and Functional Roles of the Gut Microbiota in Lepidopteran Insects DOI Creative Commons
Xiancui Zhang, Fan Zhang,

Xingmeng Lu

et al.

Microorganisms, Journal Year: 2022, Volume and Issue: 10(6), P. 1234 - 1234

Published: June 16, 2022

Lepidopteran insects are one of the most widespread and speciose lineages on Earth, with many common pests beneficial insect species. The evolutionary success their diversification depends essential functions gut microorganisms. This diverse microbiota lepidopteran provides benefits in nutrition reproductive regulation plays an important role defence against pathogens, enhancing host immune homeostasis. In addition, symbionts have shown promising applications development novel tools for biological control, biodegradation waste, blocking transmission insect-borne diseases. Even though microbial unculturable, rapidly expanding catalogue genomes application modern genetic techniques offer a viable alternative studying these microbes. Here, we discuss structure diversity insects, as well advances understanding symbiotic relationships interactions between hosts symbionts. Furthermore, provide overview function microbiota, including metabolism, defence, potential mechanisms detoxification. Due to relevance agricultural production, it can be expected that research will used pest control protection future.

Language: Английский

Citations

58

Toward an Integrated Understanding of the Lepidoptera Microbiome DOI Creative Commons
Yongqi Shao, Charles J. Mason, Gary W. Felton

et al.

Annual Review of Entomology, Journal Year: 2023, Volume and Issue: 69(1), P. 117 - 137

Published: Aug. 16, 2023

Research over the past 30 years has led to a widespread acceptance that insects establish and diverse associations with microorganisms. More recently, microbiome research been accelerating in lepidopteran systems, leading greater understanding of both endosymbiont gut microorganisms how they contribute integral aspects host. Lepidoptera are associated robust assemblage microorganisms, some which may be stable routinely detected larval adult hosts, while others ephemeral transient. Certain populate can significantly hosts’ performance fitness, inconsequential. We emphasize context-dependent nature interactions between players. While our review discusses contemporary literature, there major avenues yet explored determine fundamental host–microbe potential applications for microbiome; we describe these after synthesis.

Language: Английский

Citations

39

Lactic acid bacteria modulate the CncC pathway to enhance resistance to β-cypermethrin in the oriental fruit fly DOI Creative Commons
Tian Zeng,

Qianyan Fu,

Fangyi Luo

et al.

The ISME Journal, Journal Year: 2024, Volume and Issue: 18(1)

Published: Jan. 1, 2024

Abstract The gut microbiota of insects has been shown to regulate host detoxification enzymes. However, the potential regulatory mechanisms involved remain unknown. Here, we report that bacteria increase insecticide resistance by activating cap “n” collar isoform-C (CncC) pathway through enzymatically generated reactive oxygen species (ROS) in Bactrocera dorsalis. We demonstrated Enterococcus casseliflavus and Lactococcus lactis, two lactic acid-producing bacteria, B. dorsalis β-cypermethrin regulating cytochrome P450 (P450) enzymes α-glutathione S-transferase (GST) activities. These symbionts also induced expression CncC muscle aponeurosis fibromatosis. BdCncC knockdown led a decrease caused bacteria. Ingestion ROS scavenger vitamin C resistant strain affected BdCncC/BdKeap1/BdMafK, resulting reduced GST activity. Furthermore, feeding with E. or L. lactis showed BdNOX5 increased production, BdCncC/BdMafK genes. Moreover, acid activated ROS-associated regulation Collectively, our findings indicate symbiotic modulate intestinal pathways affecting physiological biochemistry, thus providing new insights into involvement insect microbes development resistance.

Language: Английский

Citations

13

From phyllosphere to insect cuticles: silkworms gather antifungal bacteria from mulberry leaves to battle fungal parasite attacks DOI Creative Commons
Pengfei Zhao, Hong Song, Yuekun Li

et al.

Microbiome, Journal Year: 2024, Volume and Issue: 12(1)

Published: Feb. 26, 2024

Abstract Background Bacterial transfers from plants to insect herbivore guts have been well investigated. However, bacterial exchanges between plant phyllospheres and cuticles remain unclear, as does their related biological function. Results Here, we report that the cuticular loads of silkworm larvae quickly increased after molting feeding on white mulberry ( Morus alba ) leaves. The isolation examination bacteria identified one bacterium Mammaliicoccus sciuri could completely inhibit spore germination fungal entomopathogens Metarhizium robertsii Beauveria bassiana . Interestingly, Ma. was evident originally leaves, which produce a secreted chitinolytic lysozyme (termed Msp1) damage cell walls. In consistency, deletion Msp1 substantially impaired antifungal activity. Pretreating with cells followed by topical infections revealed this help defend silkworms against infections. Unsurprisingly, protective efficacy Δ considerably reduced when compared wild-type bacterium. Administration bacterium-treated diets had no negative effect development; instead, supplementation protect artificial diet Aspergillus contamination. Conclusions results study evidence cross-kingdom transfer can insects parasite attacks.

Language: Английский

Citations

9

The role of microbiomes in shaping insecticide resistance: current insights and emerging paradigms DOI
Saif Ul Malook, Arinder K. Arora, Adam Chun-Nin Wong

et al.

Current Opinion in Insect Science, Journal Year: 2025, Volume and Issue: unknown, P. 101346 - 101346

Published: Feb. 1, 2025

Language: Английский

Citations

1

Vibrio parahaemolyticus alters the community composition and function of intestinal microbiota in Pacific white shrimp, Penaeus vannamei DOI
Xue Zhang, Jingfeng Sun, Zhuoran Han

et al.

Aquaculture, Journal Year: 2021, Volume and Issue: 544, P. 737061 - 737061

Published: June 16, 2021

Language: Английский

Citations

41