Acyltransferases
Acyltransferases - Related Videos
07:37
Click-Chemistry Based Fluorometric Assay for Apolipoprotein N-acyltransferase from Enzyme Characterization to High-Throughput Screening
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Cited by 2 •
2020
Presented here is a sensitive fluorescence assay to monitor apolipoprotein N-acyltransferase activity using diacylglyceryl peptide and alkyne-phospholipids as substrates with click-chemistry.
09:29
Drosophila Courtship Conditioning As a Measure of Learning and Memory
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Cited by 60 •
2017
This protocol describes a Drosophila learning and memory assay called courtship conditioning. This classic assay is based on a reduction of male courtship behavior after sexual rejection by a non-receptive premated female. This natural form of behavioral plasticity can be used to test learning, short-term memory, and long-term memory.
FAQs
Acyl-CoA donors make acyl transfer chemically feasible because the acyl group is carried in an activated form. The enzyme positions this donor with a suitable acceptor, allowing nucleophilic attack by an alcohol, amine, or thiol. The resulting bond type depends on that acceptor, producing an ester, amide, or thioester that can enter distinct cellular pathways.
The acceptor’s nucleophilic group helps determine how the transferred acyl group is incorporated into metabolism. Alcohol-containing acceptors yield ester-linked products, amine-containing acceptors yield amides, and thiol-containing acceptors yield thioesters. Distinguishing these outcomes is important because they represent different molecular forms and can connect acyltransferase activity to lipid remodeling, signaling, or compound processing.
Because acyltransferases participate in lipid metabolism, their activity can influence how cells build and remodel membrane lipids and store fatty acids. Their reactions also contribute to cellular signaling and processing of endogenous compounds. Examining these linked roles helps clinical researchers connect a biochemical change with broader metabolic or disease-related mechanisms.
Activity measurements give researchers a way to examine whether acyltransferase function changes in a biological or disease-related context. Interpreting those measurements alongside roles in lipid metabolism, membrane remodeling, fatty-acid storage, and signaling can connect molecular activity with broader cellular behavior. This approach supports studies of metabolic disorders and disease mechanisms.
Genetic-variation studies can identify differences that may help explain how acyltransferase-related pathways behave across individuals or disease settings. In clinical research, those differences provide a way to examine links among enzyme function, metabolic disorders, pharmacology, and disease mechanisms. The value lies in connecting inherited molecular variation with questions about lipid handling and modification of biologically active compounds.
Acyltransferases can modify biologically active molecules as well as endogenous compounds and drugs. Their activity may therefore be relevant when researchers study how such molecules are processed in cells. Combining enzyme activity or genetic-variation data with pharmacological questions can help investigate compound handling and disease mechanisms without treating the enzyme as isolated from cellular metabolism.