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Microbiome facilitated pest resistance: potential problems and uses.

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Area of Science:

  • Environmental science
  • Microbiology
  • Pest management

Background:

  • Microbiome organisms play a crucial role in detoxifying environmental xenobiotics, including pesticides.
  • Pesticide resistance in various pests like insects, nematodes, and weeds has been linked to microbiome-mediated detoxification.
  • The role of microbiomes in metabolic resistance has been underestimated, as few studies utilize axenic pests.

Purpose of the Study:

  • To highlight the significance of microbiome organisms in conferring pesticide resistance to hosts.
  • To explore the potential impact of climate change on the evolution of pesticide resistance in microbiomes.
  • To assess the feasibility of engineering microbiomes for enhanced crop and beneficial insect resistance to pesticides.

Main Methods:

  • Review of existing literature on microbiome-host interactions and pesticide metabolism.
  • Analysis of documented cases of microbiome-driven pesticide resistance in pests.
  • Evaluation of research on engineered microbiomes for agricultural applications.

Main Results:

  • Microbiome detoxification is a documented mechanism for pesticide resistance in insects, nematodes, and weeds, with potential implications for rodents.
  • Metabolic resistance in pests may be misattributed to host metabolism due to the infrequent use of axenic models.
  • Climate change is predicted to accelerate microbiome evolution, potentially increasing the incidence of pesticide resistance in host organisms.
  • Current efforts in engineering microbiomes for pesticide resistance have not yet achieved sufficient field-level efficacy.

Conclusions:

  • Microbiome-mediated pesticide resistance is a significant factor in pest management and requires further investigation.
  • Climate change may exacerbate the challenge of pesticide resistance through accelerated microbiome evolution.
  • Further research and development are needed to engineer effective microbiome-based solutions for agricultural pest control.