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Related Concept Videos

Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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...
Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
Production of Biopesticides01:18

Production of Biopesticides

Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...

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Related Experiment Video

Updated: Jun 7, 2026

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
15:14

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control

Published on: April 11, 2013

Lectins and biocontrol

J Inbar1, I Chet

  • 1Otto Warburg Center for Agricultural Biotechnology, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel.

Critical Reviews in Biotechnology
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

Biological control agents offer a safe alternative to pesticides. Lectins, cell-surface proteins, are key to understanding how these agents recognize and interact with plant pathogens for effective disease control.

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Bioassay-Guided Identification of Natural Products for Biocontrol by Thin Layer Chromatography-Direct Bioautography
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Last Updated: Jun 7, 2026

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
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Published on: September 28, 2021

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Bioassay-Guided Identification of Natural Products for Biocontrol by Thin Layer Chromatography-Direct Bioautography

Published on: July 26, 2024

Area of Science:

  • Agricultural science
  • Biotechnology
  • Molecular biology

Background:

  • Chemical pesticides pose environmental and health risks, driving the need for safer alternatives.
  • Biological control, utilizing antagonistic microorganisms, presents a promising nonhazardous strategy for crop protection.
  • Advances in biotechnology and molecular biology are crucial for developing effective biocontrol agents.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying biological control of plant pathogens.
  • To understand the role of lectins in the specificity of interactions between biocontrol agents and their hosts.
  • To highlight the significance of lectins in mycoparasitic biocontrol agent-host interactions.

Main Methods:

  • Review of existing literature on biological control mechanisms.
  • Focus on molecular biology tools to study host-agent interactions.
  • Analysis of lectin function in mediating recognition and specificity.

Main Results:

  • Lectins, sugar-binding proteins on cell surfaces, mediate crucial early recognition events in host-agent interactions.
  • Lectins can determine the specificity of interactions, distinguishing between hosts and non-hosts.
  • The review demonstrates the significant role of lectins in three systems: parasite-nematode interactions and mycoparasites of plant pathogenic fungi (biotrophic and necrotrophic).

Conclusions:

  • Understanding lectin-mediated interactions is fundamental for developing improved biocontrol agents.
  • Lectins are critical for the specificity and efficacy of biological control strategies against plant pathogens.
  • This review underscores the importance of lectins in harnessing biological control for sustainable agriculture.