The contribution of gut bacteria to insecticide resistance and the life histories of the major malaria vector Anopheles arabiensis (Diptera: Culicidae) DOI Creative Commons

Kirsten Barnard,

Alexander C.S.N. Jeanrenaud, Basil D. Brooke

et al.

Scientific Reports, Journal Year: 2019, Volume and Issue: 9(1)

Published: June 24, 2019

Abstract The gut microbiota of mosquitoes is a crucial determinant their fitness. As such, the biology Anopheles arabiensis , major malaria vector Southern Africa, was investigated. Two laboratory strains An. were used; SENN, an insecticide susceptible strain, and SENN-DDT, resistant strain. supplemented with either non-commensal bacteria or antibiotics via sucrose source to sterilize gut. fed broad-spectrum bactericidal antibiotic gentamicin, preferentially gram-positive (vancomycin), gram-negative (streptomycin) bacteriostatic (erythromycin), by sugar supplementation artificially-spiked blood-meal. effects on adult mosquito longevity resistance phenotype assessed. Bacteria from midgut both characterised MALDI-TOF mass spectroscopy. Bactericidal increased in SENN-DDT. Bacterial tolerance. Antibiotic decreased tolerance insecticides deltamethrin malathion. Blood-supplemented vancomycin resistance, while gentamicin streptomycin resistance. SENN showed greater bacterial diversity than dominated Gram-negative bacteria. This study suggests role for life history, that microflora play variable roles mosquitoes.

Language: Английский

Emerging strategies for precision microbiome management in diverse agroecosystems DOI

Elizabeth French,

Ian Kaplan, Anjali S. Iyer‐Pascuzzi

et al.

Nature Plants, Journal Year: 2021, Volume and Issue: 7(3), P. 256 - 267

Published: March 8, 2021

Language: Английский

Citations

221

Invasiveness, biology, ecology, and management of the fall armyworm, Spodoptera frugiperda DOI
Marc Kenis, Giovanni Benelli, Antonio Biondi

et al.

Entomologia Generalis, Journal Year: 2022, Volume and Issue: 43(2), P. 187 - 241

Published: Oct. 26, 2022

à la diffusion de documents scientifiques niveau recherche, publiés ou non, émanant des établissements d'enseignement et recherche français étrangers, laboratoires publics privés.

Citations

220

Detoxifying symbiosis: microbe-mediated detoxification of phytotoxins and pesticides in insects DOI
Hideomi Itoh,

Kanako Tago,

Masahito Hayatsu

et al.

Natural Product Reports, Journal Year: 2018, Volume and Issue: 35(5), P. 434 - 454

Published: Jan. 1, 2018

Symbiotic microorganisms degrade natural and artificial toxic compounds, confer toxin resistance on insect hosts.

Language: Английский

Citations

197

Dynamics of Insect–Microbiome Interaction Influence Host and Microbial Symbiont DOI Creative Commons
Ayushi Gupta, Suresh Nair

Frontiers in Microbiology, Journal Year: 2020, Volume and Issue: 11

Published: June 26, 2020

Insects share an intimate relationship with their gut microflora and this symbiotic association has developed into essential evolutionary outcome intended for survival through extreme environmental conditions. While it been clearly established that insects, very few exceptions, associate several microbes during life cycle, information regarding aspects of these associations is yet to be fully unraveled. Acquisition bacteria by insects marks the onset microbial symbiosis, which followed adaptation bacterial species environment prolonged sustenance successful transmission across generations. Although insect-microbiome have reported each distinctive features, diversifications specializations, still unclear as what led diversifications. Recent studies indicated involvement various processes operating within insect body govern transition a free-living microbe obligate or facultative symbiont eventually leading establishment diversification relationships. Data from studies, summarized in review, indicate partners i.e. undergo genetic, biochemical physiological changes profound influence on cycle biology. An interesting insect-microbe interaction compliance partner its eventual genome reduction. Endosymbionts possess smaller compared forms, thus raising question reductive evolution partner? This review attempts highlight fate implications both host. discussion specific would too voluminous outside scope we present overview some recent contribute better understanding trajectory dynamics speculate that, future, nature could pave path sustainable environmentally safe way controlling economically important pests crop plants.

Language: Английский

Citations

154

Effects of herbicide on non-target microorganisms: Towards a new class of biomarkers? DOI Creative Commons
Clémence Thiour-Mauprivez, Fabrice Martin‐Laurent, Christophe Calvayrac

et al.

The Science of The Total Environment, Journal Year: 2019, Volume and Issue: 684, P. 314 - 325

Published: May 20, 2019

Language: Английский

Citations

150

Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies DOI Creative Commons
Junaid Ali Siddiqui, Ruidong Fan, Hira Naz

et al.

Frontiers in Physiology, Journal Year: 2023, Volume and Issue: 13

Published: Jan. 9, 2023

Threatening the global community is a wide variety of potential threats, most notably invasive pest species. Invasive species are non-native organisms that humans have either accidentally or intentionally spread to new regions. One effective and first lines control strategies for controlling pests application insecticides. These toxic chemicals employed get rid pests, but they pose great risks people, animals, plants. Pesticides heavily used in managing current era. Due overuse synthetic chemicals, numerous already developed resistance. The resistance development main reason failure manage Developing pesticide management techniques necessitates thorough understanding mechanisms through which insects acquire insecticide Insects use behavioral, biochemical, physiological, genetic, metabolic methods deal with can lead continuous overexpression detoxifying enzymes. An overabundance enzymes causes resistance, pesticides rendering them ineffective against pests. A key factor amplification certain enzymes, specifically esterases, Glutathione S-transferase, Cytochromes p450 monooxygenase, hydrolyses. Additionally, insect guts offer unique habitats microbial colonization, gut bacteria may serve their hosts useful services. Most importantly, detoxification insecticides leads development. complete knowledge could be very helpful coping challenges effectively developing Integrated Pest Management particularly at lowering risk chemical environmental contaminants resulting health issues, it also ways

Language: Английский

Citations

115

Mechanisms underlying gut microbiota–host interactions in insects DOI Open Access

Konstantin Schmidt,

Philipp Engel

Journal of Experimental Biology, Journal Year: 2021, Volume and Issue: 224(2)

Published: Jan. 15, 2021

ABSTRACT Insects are the most diverse group of animals and colonize almost all environments on our planet. This diversity is reflected in structure function microbial communities inhabiting insect digestive system. As mammals, gut microbiota insects can have important symbiotic functions, complementing host nutrition, facilitating dietary breakdown or providing protection against pathogens. There an increasing number models that experimentally tractable, mechanistic studies microbiota–host interactions. In this Review, we will summarize recent findings advanced understanding molecular mechanisms underlying symbiosis between their microbiota. We open article with a general introduction to then turn towards discussion particular processes governing colonization environment as well beneficial roles mediated by The Review highlights that, although active field research implications for fundamental applied science, still early stage mechanisms. However, expanding capability culture microbiomes manipulate microbe–host interactions promises new insights from symbioses.

Language: Английский

Citations

109

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

The gut symbiont Sphingomonas mediates imidacloprid resistance in the important agricultural insect pest Aphis gossypii Glover DOI Creative Commons

Nannan Lv,

Ren Li,

Shenhang Cheng

et al.

BMC Biology, Journal Year: 2023, Volume and Issue: 21(1)

Published: April 17, 2023

Abstract Background Neonicotinoid insecticides are applied worldwide for the control of agricultural insect pests. The evolution neonicotinoid resistance has led to failure pest in field. enhanced detoxifying enzyme activity and target mutations play important roles insects resistance. Emerging evidence indicates a central role gut symbiont pesticides. Existing reports suggest that symbiotic microorganisms could mediate pesticide by degrading pesticides Results 16S rDNA sequencing results showed richness diversity community between imidacloprid-resistant (IMI-R) imidacloprid-susceptible (IMI-S) strains cotton aphid Aphis gossypii no significant difference, while abundance Sphingomonas was significantly higher IMI-R strain. Antibiotic treatment deprived gut, followed an increase susceptibility imidacloprid IMI-S strain decreased as expected after supplementation with . In addition, nine field populations, which were all infected , increased different degrees antibiotics. Then, we demonstrated isolated from subsist only carbon source. metabolic efficiency reached 56% HPLC detection. This further proved A. hydroxylation nitroreduction. Conclusions Our findings detoxification properties, offer opportunity pests metabolize imidacloprid. These enriched our knowledge mechanisms insecticide provided new symbiont-based strategies insecticide-resistant high abundance.

Language: Английский

Citations

45

Detoxification of phoxim by a gut bacterium of Delia antiqua DOI
Fangyuan Zhou, Xiaoqing Wu, Susu Fan

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 943, P. 173866 - 173866

Published: June 9, 2024

Language: Английский

Citations

31