Related Experiment Video
Updated: May 11, 2026
07:29
Paired Patch Clamp Recordings from Motor-neuron and Target Skeletal Muscle in Zebrafish
Published on: November 20, 2010
17.3K
Evaluating the molecular function of zebrafish Anoctamin 1a
Amanda Dimatteo1, Nicole Stango1, Adam Rich2
1Biology, SUNY Geneseo, Geneseo, New York, United States.
Micropublication Biology
|August 21, 2025
Summary
Researchers cloned and confirmed the function of zebrafish Anoctamin 1, a calcium-activated chloride channel (CaCC). This validates zebrafish as a model for studying human physiology and diseases involving CaCCs.
Area of Science:
- Physiology
- Molecular Biology
- Genetics
Background:
- Calcium-activated chloride channels (CaCCs) are crucial for physiological processes.
- Zebrafish (Danio rerio) offer a valuable genetic model due to similarities with humans.
Purpose of the Study:
- To clone and characterize the zebrafish Anoctamin 1 gene.
- To confirm its function as a calcium-activated chloride channel (CaCC).
- To establish zebrafish as a model for CaCC-related research.
Main Methods:
- Cloning of zebrafish Anoctamin 1.
- Expression of the cloned gene in mammalian cells.
- Halide flux assays to measure channel activity.
Main Results:
- The zebrafish Anoctamin 1 gene was successfully cloned.
- The expressed channel conducted anions and was activated by calcium.
- Functionality as a CaCC was confirmed.
Conclusions:
- Zebrafish Anoctamin 1 functions as a calcium-activated chloride channel.
- This study validates the use of zebrafish for modeling human CaCC function and disease.
- Provides a foundation for future research in zebrafish physiology.
Related Concept Videos
00:49Ligand Binding and Linkage
Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked. In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence the...
01:19Allosteric Proteins-ATCase
Binding sites linkages can regulate a protein's function. For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis pathway,...
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis pathway,...
01:30Ligand-Gated Ion Channel Receptor: Gating Mechanism
Ligand-gated ion channels are transmembrane proteins that play a vital role in intercellular communication and functions of the nervous system. They allow the influx of ions across the membrane once the neurotransmitter binds, allowing the subsequent transmission of electrical excitation across the neurons. Other ligand-gated ion channels, like the γ-aminobutyric acid (GABA) receptor, permit anions like chloride into the cells on the binding of the GABA molecule. Their entry into the cell...