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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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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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Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...
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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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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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Microbial growth media are essential tools in microbiology, providing the nutrients and conditions necessary to cultivate and study microorganisms. These media are categorized by their composition, consistency, and functional roles, enabling researchers to investigate microbial physiology, behavior, and interactions.Types and Consistencies of Growth MediaGrowth media can be solid, liquid, or semisolid. Solid media, often agar-based, allow visible colony growth for isolation and enumeration.
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An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
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Balancing microbial composition through diet.

L Catalina Acuff1, Karen Guillemin2,3

  • 1Institute of Neuroscience, University of Oregon, Eugene, United States.

Elife
|November 20, 2024
PubMed
Summary
This summary is machine-generated.

Gut bacteria and host cells interact, influencing how the body absorbs proteins. This bidirectional relationship is key to understanding nutrient processing in the gut microbiome.

Keywords:
Vibrio choleraecell biologyenterocyteskwashiorkor diseasemicrobiomeproteinzebrafish

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Area of Science:

  • Microbiology
  • Human Physiology
  • Gastroenterology

Background:

  • The gut microbiome plays a crucial role in host health.
  • Gut epithelial cells form a barrier and interact with microbes.
  • Protein absorption is vital for nutrition and host well-being.

Purpose of the Study:

  • To investigate the reciprocal interactions between gut bacteria and gut cells.
  • To elucidate the impact of these interactions on host protein absorption.

Main Methods:

  • Utilized in vitro co-culture models of gut epithelial cells and specific bacterial species.
  • Employed techniques to measure protein uptake and bacterial metabolite production.
  • Analyzed changes in host cell gene expression related to nutrient transport.

Main Results:

  • Demonstrated a significant influence of bacterial presence on protein transporter expression in gut cells.
  • Identified specific bacterial metabolites that enhance or inhibit protein absorption.
  • Observed alterations in gut cell barrier function mediated by bacterial interactions.

Conclusions:

  • Gut bacteria and host gut cells engage in a dynamic crosstalk.
  • This interaction directly modulates the efficiency of dietary protein absorption.
  • Understanding this interplay is crucial for developing targeted nutritional and therapeutic strategies.