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Related Concept Videos

Microbial Morphologies01:29

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Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
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Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
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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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Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
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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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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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Biology of Microbial Communities - Interview
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Artificial Microbial Arenas: Materials for Observing and Manipulating Microbial Consortia.

Lothar Wondraczek1,2,3, Georg Pohnert3,4,5, Felix H Schacher2,3,6,7

  • 1Otto Schott Institute of Materials Research, Friedrich Schiller University Jena, Fraunhoferstrasse 6, 07743, Jena, Germany.

Advanced Materials (Deerfield Beach, Fla.)
|April 18, 2019
PubMed
Summary

Materials research enables the creation of artificial microbial arenas for studying microbial communities. These adaptive habitats allow for detailed investigation and directed evolution of microbial consortia.

Keywords:
biomaterialshybrid materialsliving materialsmicrobial arenamicrobial engineeringresponsive materialsstimuli

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Area of Science:

  • Microbial Ecology
  • Materials Science
  • Synthetic Biology

Background:

  • Microbial communities are crucial for ecosystem regulation and stability.
  • Current lab studies on microbial interactions are limited to simple assemblies.
  • Understanding natural microbial community dynamics requires advanced experimental systems.

Purpose of the Study:

  • To present a perspective on the role of materials research in microbial engineering.
  • To introduce the concept of adaptive microbial arenas.
  • To explore the construction of these arenas from micro- to macro-scale.

Main Methods:

  • Leveraging microfluidic technologies and functional, stimuli-responsive materials.
  • Designing artificial habitats for natural or synthetic microbial consortia.
  • Developing particulate microniches and 3D habitats.

Main Results:

  • Artificial microbial arenas can facilitate detailed investigations of microbial communities.
  • These arenas enable the training and directed evolution of microbial consortia.
  • Materials act as active components for intervention, training, and observation.

Conclusions:

  • Materials research is essential for advancing microbial engineering.
  • Adaptive microbial arenas offer novel possibilities for studying microbial systems.
  • Tunable materials at the living-nonliving interface open new avenues in microbial research.