Tf Prey Array
Tf Prey Array - Related Videos
02:14
Prey Capture Assay: A Method to Study the Prey Capture Behavior of Zebrafish Larva
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2023
This video describes the prey capture assay. The video discusses the method to study prey capture behavior of zebrafish larvae after the laser ablation of specific neurons.
03:10
Analyzing the Prey-Evoked Neuronal Activity in a Transgenic Zebrafish Larva
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2025
This video demonstrates the method for studying visual prey detection in transgenic zebrafish larvae using calcium indicator-based fluoresce imaging with their neurons expressing fluorescent calcium indicator complexes.
02:39
Predator-Prey Interactions
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2026
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.Although predation is commonly associated with carnivory, for...
03:55
ELISA-Based Method to Analyze Interactions between Bait and Prey Proteins
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2025
This video describes an ELISA-based technique that detects protein-protein interactions between two proteins by measuring the binding of the second protein to the immobilized first protein. The bound second protein is detected using specific antibodies labeled with an enzyme, such as horseradish peroxidase.
12:24
Laboratory Estimation of Net Trophic Transfer Efficiencies of PCB Congeners to Lake Trout (Salvelinus namaycush) from Its Prey
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Cited by 1 •
2014
A technique for laboratory estimation of net trophic transfer efficiency of polychlorinated biphenyl (PCB) congeners to piscivorous fish from their prey is presented. To maximize applicability of the laboratory results to the field, the piscivorous fish should be fed prey fish that are typically eaten in the field.
FAQs
Each transcription factor candidate is produced as a tagged or fusion protein and tested against a defined regulatory DNA element used as the bait. If a candidate interacts with that sequence, the assay generates a measurable reporter signal. Comparing signals across the array helps distinguish transcription factors that may recognize or associate with particular regulatory regions.
Tags or fusion partners provide a consistent way to express and handle each transcription factor candidate during screening. Keeping the candidates in a comparable format supports systematic testing across the array, while the resulting interaction signal can be associated with the corresponding transcription factor. This organization improves comparisons among many regulatory proteins.
The distinction depends on the bait selected for the screen. A regulatory DNA element tests whether a transcription factor associates with a particular sequence, whereas a partner molecule can test protein or molecular interactions involving that candidate. Using defined bait types allows the same array-based strategy to examine different relationships within gene-regulatory systems.
Researchers can compare reporter signals produced when individual transcription factor candidates are screened against the same defined bait. These parallel measurements indicate which candidates show detectable interactions and allow their activities to be evaluated under a common assay design. The resulting comparison can support identification of factors associated with particular regulatory DNA elements or partner molecules.
A typical workflow begins by organizing transcription factor candidates and expressing each as a tagged or fusion protein. The candidates are then tested against a defined bait, such as a regulatory DNA element, and the interaction-dependent reporter signal is measured. Arrayed organization permits parallel screening, making it possible to compare many candidates within the same overall experiment.
This approach is useful when researchers need to identify transcription factors associated with regulatory DNA sequences or examine interactions among regulatory proteins. In genetics, the results can help map regulatory networks and investigate how specific factors contribute to gene-expression control. The parallel format is especially relevant when many candidate transcription factors must be evaluated systematically.
Arrayed screening places candidates into an organized format that supports parallel comparisons and more consistent experimental handling. Rather than evaluating transcription factors one at a time, researchers can examine their reporter responses against a defined bait across the collection. This structure facilitates broader analysis of regulatory relationships and can contribute to systematic mapping of gene-control networks.