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Does Glyphosate Affect the Human Microbiota?

Pere Puigbò1,2,3, Lyydia I Leino1, Miia J Rainio1

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Summary
This summary is machine-generated.

Glyphosate, a common herbicide, may harm human gut microbes. Over half of the human microbiome showed sensitivity to glyphosate in this study, indicating potential health risks.

Keywords:
glyphosateherbicidehuman microbiotamulti-antibiotic resistancesensitivity

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Area of Science:

  • Microbiology
  • Environmental Science
  • Toxicology

Background:

  • Glyphosate is the most prevalent agrochemical globally, widely used in agriculture and gardening.
  • Its safety is often cited due to the absence of the target enzyme (5-enolpyruvylshikimate-3-phosphate synthase or EPSPS) in humans and animals.
  • However, the presence of the shikimate metabolic pathway in many microbes raises concerns about potential risks.

Purpose of the Study:

  • To investigate the potential impact of glyphosate on the healthy human microbiota.
  • To assess the sensitivity of the human microbiome to glyphosate exposure.

Main Methods:

  • In vitro assessment of glyphosate's effect on human microbiome samples.
  • Analysis of microbial sensitivity to glyphosate based on the presence of the shikimate pathway.

Main Results:

  • Over 50% of the human microbiome demonstrated intrinsic sensitivity to glyphosate.
  • The findings suggest a significant portion of gut microbes are vulnerable to this widely used herbicide.

Conclusions:

  • Glyphosate poses a potential risk to the human microbiota due to the sensitivity of a substantial part of the microbiome.
  • Further empirical research is necessary to fully elucidate the effects of glyphosate on human health through its impact on the microbiota.