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Related Concept Videos

Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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Environmental Applications of Microorganisms01:30

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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Microbial Nutrition01:28

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Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
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Sulfur Assimilation01:20

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Sulfur is an essential element in biological systems, contributing to synthesizing key biomolecules, including amino acids such as cysteine and methionine, and cofactors such as coenzyme A and biotin. Microorganisms primarily assimilate sulfur as sulfate (SO₄²⁻) from the environment, which must undergo a series of biochemical transformations before it can be incorporated into cellular components. As sulfate is highly oxidized, it must undergo assimilatory sulfate reduction to...
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Microorganisms in Medicine and Therapeutics01:29

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Updated: Oct 21, 2025

High-throughput Siderophore Screening from Environmental Samples: Plant Tissues, Bulk Soils, and Rhizosphere Soils
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Microbes: a potential tool for selenium biofortification.

Dandan Yang1, Chengxiao Hu1, Xu Wang2

  • 1College of Resources and Environment, Huazhong Agricultural University/Hubei Provincial, Engineering Laboratory for New-Type Fertilizer/Research Center of Trace Elements/Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China.

Metallomics : Integrated Biometal Science
|September 3, 2021
PubMed
Summary
This summary is machine-generated.

Microbes can enhance selenium (Se) accumulation in crops by altering soil properties, stimulating plant growth, and regulating Se metabolism. This microbial approach offers a safe and feasible strategy for selenium biofortification to improve public health.

Keywords:
biofortificationendophytemicrobesrhizobacteriaseleniumsoil–plant system

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Area of Science:

  • Agricultural Science
  • Environmental Microbiology
  • Plant Physiology

Background:

  • Selenium (Se) is essential for human health, primarily obtained from crops.
  • Crop selenium accumulation depends on soil Se content and bioavailability.
  • Beneficial microbes can influence Se bioavailability and plant uptake.

Purpose of the Study:

  • To review the role of microbes in enhancing Se uptake and accumulation in crops.
  • To explore the mechanisms behind microbial Se biofortification.
  • To assess the potential of microbial enhancement for Se-enrichment agriculture.

Main Methods:

  • Literature review focusing on microbial-mediated Se biofortification.
  • Analysis of mechanisms including soil property alteration, plant growth stimulation, gene expression regulation, and metabolite generation.
  • Evaluation of ecological safety and economic feasibility.

Main Results:

  • Microbes improve Se bioavailability by altering soil redox chemistry.
  • Beneficial microbes enhance Se uptake via root morphology regulation and plant growth stimulation.
  • Microbial inoculation affects Se metabolism-related gene/protein expression and metabolite production in plants.

Conclusions:

  • Microbial enhancement is a promising, eco-friendly, and cost-effective method for crop Se biofortification.
  • Further research into synthetic microbial communities could optimize Se enrichment in agriculture.
  • This strategy holds potential for improving public selenium status through dietary intake.