Bacterial Substrate
Bacterial Substrate - Related Videos
05:22
Investigating Bacterial-Fungal Interactions using Fungal Highway Columns in Diverse Environments and Substrates
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Cited by 3 •
2025
This protocol provides detailed instructions on how to construct, sterilize, assemble, utilize, and reuse the fungal highway columns to enrich bacterial-fungal pairs interacting through fungal highways from diverse environmental substrates.
08:59
Defining Substrate Specificities for Lipase and Phospholipase Candidates
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Cited by 10 •
2016
Many predicted (phospho)lipases are poorly characterized with regard to their substrate specificities and physiological functions. Here we provide a protocol to optimize enzyme activities, search for natural substrates, and propose physiological functions for these enzymes.
11:13
Identification of Kinase-substrate Pairs Using High Throughput Screening
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Cited by 1 •
2015
Protein phosphorylation is a central feature of how cells interpret and respond to information in their extracellular milieu. Here, we present a high throughput screening protocol using kinases purified from mammalian cells to rapidly identify kinases that phosphorylate a substrate(s) of interest.
04:25
Substrate Oxidation Assay in Cultured Cells: An In Vitro Assay to Quantify Substrate Oxidation in Cells by Measuring Radioactive Signals from Trapped CO2
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2025
This video demonstrates a quantification technique for CO2 released during substrate oxidation using 14C-radiolabeled substrates. The released 14CO2 is trapped in an alkaline solution and quantified by a scintillation counter. The oxidation of different substrates varies between tissues and reflects the pathophysiological condition of the tissue.
11:53
Substrate Generation for Endonucleases of CRISPR/Cas Systems
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Cited by 4 •
2012
CRISPR/Cas systems mediate adaptive immunity in Bacteria and Archaea. Many Cas proteins are proposed to act as endoribonucleases acting on crRNA precursors of varying length. Here we illustrate three different approaches to generate pre-crRNA substrates for the biochemical analysis of Cas endonuclease activity.
FAQs
Transport systems first control which compounds enter the bacterial cell, while enzymes then transform those compounds through metabolic pathways. This coordination links nutrient uptake with energy production and cellular biosynthesis. Because different bacteria may process available compounds through different pathways, examining substrate use can help reveal how a microorganism sustains growth under particular environmental conditions.
Substrate utilization depends on environmental conditions, not only on which nutrients are present. Oxygen availability can influence metabolic activity, while pH and temperature affect the conditions under which transport systems and enzyme-driven pathways operate. Consequently, the same bacterial substrate may support different levels of growth or cellular production when experimental or host-associated conditions change.
The nutrients accessible in a local environment influence which bacteria can maintain growth and metabolism. In infection research, limited or changing substrate availability can therefore shape microbial competition and bacterial adaptation within host tissues. Studying these changes also helps connect nutrient use with interactions involving immune cells, providing metabolic context for differences observed between laboratory cultures and infection settings.
Researchers can examine which substrates support bacterial growth and how efficiently they are transformed under defined culture conditions. Comparing utilization patterns helps characterize microorganisms and can contribute to pathogen identification. The approach is most informative when substrate availability and environmental variables are controlled, because differences in oxygen, pH, or temperature may otherwise alter the observed growth response.
Substrate analysis can show how bacteria adjust their metabolism when nutrients and environmental conditions differ from those in laboratory media. In host tissues, this information helps researchers characterize metabolic adaptation and relate it to bacterial persistence or changing interactions with immune cells. Such findings can improve the biological relevance of infection models by incorporating nutrient conditions encountered during infection.
Bacterial substrate studies provide information that can be used across infection models, pathogen characterization, and diagnostic methods. They may also identify metabolic features suitable for strategies that target bacterial metabolism. In immunology and infection research, linking substrate use with immune-cell interactions and tissue conditions helps researchers interpret microbial behavior and evaluate how metabolic processes influence infection outcomes.