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Related Concept Videos

Methods for Controlling Microbial Growth01:29

Methods for Controlling Microbial Growth

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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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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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Infection01:20

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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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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Physical Methods for Controlling Microbial Growth: Temperature01:23

Physical Methods for Controlling Microbial Growth: Temperature

251
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...
251
Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

220
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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Bacteriophage Effectiveness for Biocontrol of Foodborne Pathogens Evaluated via High-Throughput Settings
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Epidemiology, Prevention and Control of Foodborne Microbial Pathogens.

Gabriel Augusto Marques Rossi1, Juliano Gonçalves Pereira2, Marcia Nitschke3

  • 1Department of Veterinary Medicine, University Vila Velha (UVV), Av. Comissário José Dantas de Melo, n.21, Vila Velha 29102-920, ES, Brazil.

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Foodborne diseases stem from consuming contaminated food or water. Identifying pathogens and toxins is crucial for preventing these illnesses.

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Area of Science:

  • Microbiology
  • Public Health
  • Toxicology

Background:

  • Foodborne diseases represent a significant global health burden.
  • Contamination sources include bacteria, viruses, parasites, and chemical substances in food and water.

Discussion:

  • Understanding the diverse etiological agents is key to effective prevention.
  • Investigating transmission routes aids in targeted public health interventions.

Key Insights:

  • Pathogen identification and toxin analysis are critical for diagnosing foodborne illnesses.
  • Chemical contaminants pose distinct risks requiring specific detection methods.

Outlook:

  • Continued research into novel detection techniques will enhance food safety.
  • Integrated surveillance systems are needed to monitor and control foodborne disease outbreaks.