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Related Concept Videos

Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

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Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
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Antibiotic Selection00:57

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Bioremediation00:46

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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  1. Home
  3. Research Domains
  5. Environmental Sciences
  7. Soil Sciences
  9. Soil Physics
  11. [spatial-temporal Distribution And Ecological Risk Of Antibiotics In The Soils Of A Typical Agricultural Watershed In The Three Gorges Reservoir Area]

[Spatial-temporal Distribution and Ecological Risk of Antibiotics in the Soils of a Typical Agricultural Watershed in the Three Gorges Reservoir Area]

Jing-Ren Fang1, Yue Mu1, Bo-Bin Tang2

  • 1Chongqing Key Laboratory of Agricultural Resources and Environment, College of Resources and Environment, Southwest University, Chongqing 400715, China.

Huan Jing Ke Xue= Huanjing Kexue
|December 4, 2024

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Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
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View abstract on PubMed

Summary
This summary is machine-generated.

Antibiotics like tetracyclines and quinolones are prevalent in agricultural soils, posing ecological risks. Their levels vary seasonally and spatially, influenced by soil properties, with significant threats identified from specific compounds.

Area of Science:

  • Environmental Chemistry
  • Soil Science
  • Ecotoxicology

Context:

  • Agricultural watersheds are crucial ecosystems impacted by anthropogenic activities.
  • Antibiotic residues in soil can affect soil health and potentially enter food chains.
  • The Three Gorges Reservoir area faces unique environmental challenges due to its geography and agricultural practices.

Purpose:

  • To investigate the spatial-temporal distribution of 21 antibiotics across five classes in agricultural soil.
  • To analyze the correlation between antibiotic concentrations and soil physicochemical factors.
  • To evaluate the potential ecological risk posed by these antibiotic residues.

Summary:

  • Tetracyclines, quinolones, and chloramphenicols were detected at high rates (100%) across all seasons.
Keywords:
Three Gorges Reservoir areaagricultural small watershedantibioticsecological risk

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  • Total antibiotic concentrations varied seasonally, peaking in autumn and winter, and showed a spatial gradient.
  • Soil properties like pH, total phosphorus, total nitrogen, and organic matter significantly influenced the distribution of specific antibiotics.

    • Impact:

    • Identified specific antibiotics (e.g., SMX, SDZ, TC) that pose significant ecological risks in the studied watershed.
    • Highlights the need for monitoring and management strategies to mitigate antibiotic pollution in agricultural soils.
    • Provides crucial data for understanding the environmental fate and ecological impact of antibiotics in reservoir watershed ecosystems.
    soil
    spatial-temporal distribution