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Related Concept Videos

Microbe-Plant Interactions01:09

Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
Soil Microbial Ecology01:29

Soil Microbial Ecology

Soil microbial ecology is defined by highly diverse, spatially structured communities that drive nutrient cycling, organic matter turnover, and overall ecosystem stability. Although a gram of soil can contain thousands of bacterial and archaeal taxa, the ecological processes they mediate are even more crucial for sustaining terrestrial life.Microhabitats and NichesSoil is a heterogeneous mixture of minerals, organic matter, water, and air. Microbes inhabit distinct microhabitats formed by...
Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
Microbial Bioremediation of Pesticides01:28

Microbial Bioremediation of Pesticides

Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Bioremediation00:46

Bioremediation

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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Related Experiment Video

Updated: Jun 24, 2026

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
13:38

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Published on: May 10, 2013

Invasion of Microplastic-Derived DOM Disturbs Soil-Microbe-Plant System through Component-Driven Effects.

Tianyue Jin1, Guanlin Chen1, Qinglong Liu1

  • 1MOE Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.

Journal of Agricultural and Food Chemistry
|June 22, 2026
PubMed
Summary

Microplastic-derived dissolved organic matter impacts soil health and plant growth. Different plastic types affect soil nutrients, microbes, and plant physiology differently, highlighting the importance of chemical composition.

Keywords:
Chinese cabbageinvasionmicroplastic-derived dissolved organic mattersoil microbial community

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Separation and Identification of Conventional Microplastics from Farmland Soils

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Last Updated: Jun 24, 2026

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
13:38

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Published on: May 10, 2013

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08:21

Forming Micro-and Nano-Plastics from Agricultural Plastic Films for Employment in Fundamental Research Studies

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Separation and Identification of Conventional Microplastics from Farmland Soils
14:10

Separation and Identification of Conventional Microplastics from Farmland Soils

Published on: March 21, 2025

Area of Science:

  • Environmental Science
  • Soil Science
  • Ecotoxicology

Background:

  • Microplastic-derived dissolved organic matter (MP-DOM) is an emerging environmental contaminant.
  • Understanding MP-DOM's impact on terrestrial ecosystems is crucial for risk assessment.

Purpose of the Study:

  • To investigate the effects of polypropylene-derived DOM (PP-DOM) and polystyrene-derived DOM (PS-DOM) on Chinese cabbage, soil properties, and microbial communities.
  • To determine how varying concentrations of PP-DOM and PS-DOM influence plant physiology and soil biochemistry.

Main Methods:

  • Controlled experiments exposing Chinese cabbage and soil to different concentrations of PP-DOM and PS-DOM (0.1, 1, 10 mg/L).
  • Analysis of soil physicochemical properties (TOC, TN, phosphorus, available nitrogen).
  • Microbial community profiling, gene expression analysis (carbon metabolism), plant physiological assessments (chlorophyll, enzyme activities), and transcriptomic analysis.

Main Results:

  • PP-DOM and PS-DOM differentially affected soil nutrients and microbial composition, with specific impacts on opportunistic pathogens and nitrogen-transforming bacteria.
  • Both MP-DOM types increased the abundance of carbon metabolism-related genes.
  • Plant responses varied: PP-DOM stimulated growth at low concentrations but inhibited it at high concentrations, while PS-DOM showed the opposite trend. High PP-DOM reduced chlorophyll and enzyme activity, whereas high PS-DOM increased chlorophyll and carotenoids.

Conclusions:

  • The chemical composition of MP-DOM critically influences soil-microbe-plant ecological interactions.
  • MP-DOM can alter soil nutrient cycling, microbial community structure, and plant health, with effects dependent on plastic type and concentration.
  • MP-DOM modulates plant photosynthetic and amino acid metabolism pathways, indicating significant physiological impacts.