Dictionary.com
Thesaurus.com

tubulin

American  
[too-byuh-lin, tyoo-] / ˈtu bjə lɪn, ˈtju- /

noun

Biochemistry.
  1. either of two globular proteins that form the structural subunits of microtubules.


Etymology

Origin of tubulin

First recorded in 1965–70; tubule + -in 2


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In a study published in Nature Communications, the researchers found that tubulin, a protein that serves as the building block of microtubules, may help prevent these toxic accumulations.

From Science Daily ● Jun. 21, 2026

"But Tau and alpha synuclein also fulfill essential functions in healthy neurons - they help maintain cell structure and support communication by interacting with tubulin and contributing to microtubule assembly and stabilization."

From Science Daily ● Jun. 21, 2026

"Boosting the tubulin pool, rather than blocking droplet formation, can curb toxic aggregation while preserving the healthy roles of Tau and alpha synuclein, offering a potential selective therapeutic strategy."

From Science Daily ● Jun. 21, 2026

FtsZ and tubulin are an example of homology, structures derived from the same evolutionary origins.

From Textbooks ● Apr. 25, 2013

While both proteins are found in extant organisms, tubulin function has evolved and diversified tremendously since the evolution from its FtsZ-like prokaryotic origin.

From Textbooks ● Apr. 25, 2013

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com