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Related Concept Videos

Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

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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...
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Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
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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...
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Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
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Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
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Updated: Dec 12, 2025

Author Spotlight: Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
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Microbial Mind Control.

Molly A Matty1, Sreekanth H Chalasani1

  • 1Molecular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, 92037, USA.

Cell Host & Microbe
|August 14, 2020
PubMed
Summary

Animals and microbes engage in constant communication. A recent study reveals how non-pathogenic microbes signal to alter host behavior, creating a mutually beneficial relationship.

Area of Science:

  • Microbiology
  • Animal Behavior
  • Symbiotic Relationships

Background:

  • Animals host vast microbial communities essential for health.
  • Microbial metabolites can influence host physiology and behavior.
  • Understanding inter-domain communication is crucial for host-microbe interactions.

Purpose of the Study:

  • To investigate direct microbial signaling that impacts host behavior.
  • To define a novel inter-domain communication pathway.
  • To elucidate the mechanisms of microbe-host mutualism.

Main Methods:

  • Utilized a combination of molecular biology techniques.
  • Employed behavioral assays to monitor host responses.
  • Analyzed microbial metabolite production and its effects.

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Main Results:

  • Identified a non-pathogenic microbe synthesizing a specific signaling molecule.
  • Demonstrated that this signal directly alters host behavior.
  • Confirmed a mutually beneficial outcome for both microbe and host.

Conclusions:

  • Microbes actively shape host behavior through direct signaling.
  • This inter-domain communication represents a novel form of symbiosis.
  • Findings highlight the intricate co-evolutionary relationships between animals and their microbiomes.