glycosylation: meaning, definition, pronunciation and examples
Low (C2)Technical / Scientific / Academic
Quick answer
What does “glycosylation” mean?
The process in which a carbohydrate (glycan) is chemically attached to a protein, lipid, or other organic molecule.
Audio
Pronunciation
Definition
Meaning and Definition
The process in which a carbohydrate (glycan) is chemically attached to a protein, lipid, or other organic molecule.
A fundamental biochemical modification, especially of proteins and lipids, that alters their function, stability, and location within cells; crucial in cell signaling, immunity, and protein folding.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or spelling. Pronunciation varies slightly.
Connotations
Purely scientific term with identical technical connotations in both varieties.
Frequency
Equally low-frequency and confined to specialised fields in both regions.
Grammar
How to Use “glycosylation” in a Sentence
The glycosylation of [PROTEIN] is essential for its function.Researchers studied how [ENZYME] mediates glycosylation.[DISEASE] is linked to defective glycosylation.Vocabulary
Collocations
Examples
Examples of “glycosylation” in a Sentence
verb
British English
- The enzyme glycosylates the protein in the endoplasmic reticulum.
- Not all proteins are glycosylated.
American English
- The enzyme glycosylates the protein in the endoplasmic reticulum.
- They studied how the protein gets glycosylated.
adverb
British English
- The protein was aberrantly glycosylated.
- It is enzymatically glycosylated.
American English
- The protein was incorrectly glycosylated.
- It is co-translationally glycosylated.
adjective
British English
- The glycosylated form of the hormone is more stable.
- They analysed the glycosylation sites.
American English
- The glycosylated protein was purified for analysis.
- Glycosylation pathways are highly complex.
Usage
Meaning in Context
Business
Rare. May appear in biotech/pharma contexts regarding drug development and protein therapeutics.
Academic
Common in biochemistry, molecular biology, and cell biology research papers and textbooks.
Everyday
Virtually never used.
Technical
Core term in glycobiology, proteomics, and biotechnology.
Vocabulary
Synonyms of “glycosylation”
Neutral
Weak
Vocabulary
Antonyms of “glycosylation”
Watch out
Common Mistakes When Using “glycosylation”
- Misspelling as 'glycosilation' (missing 'y').
- Confusing 'glycosylation' (enzymatic) with 'glycation' (non-enzymatic, often harmful).
- Using it as a verb incorrectly (e.g., 'The protein glycosylates' is better than 'The protein glycosylations').
FAQ
Frequently Asked Questions
No, while most commonly discussed for proteins, glycosylation also occurs on lipids (glycolipids) and other molecules.
Primarily in the endoplasmic reticulum and the Golgi apparatus.
Many therapeutic proteins (like antibodies) must be correctly glycosylated to function. Also, altered glycosylation patterns are biomarkers for diseases like cancer.
Not with a standard light microscope. It requires specialised biochemical or mass spectrometry techniques to detect and analyse.
The process in which a carbohydrate (glycan) is chemically attached to a protein, lipid, or other organic molecule.
Glycosylation is usually technical / scientific / academic in register.
Glycosylation: in British English it is pronounced /ˌɡlaɪ.kəʊ.saɪˈleɪ.ʃən/, and in American English it is pronounced /ˌɡlaɪ.koʊ.sɪˈleɪ.ʃən/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'GLYCO' (sugar) + 'SYL' (like 'silk' – something being coated) + 'ATION' (a process). The process of coating a molecule with a sugar-silk.
Conceptual Metaphor
A POSTAL LABEL: Glycosylation is like adding a specific address label (the glycan) to a protein package, determining its destination and function within the cellular postal system.
Practice
Quiz
What is the primary difference between glycosylation and glycation?