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Updated: Aug 15, 2026

Immobilization of Caenorhabditis elegans to Analyze Intracellular Transport in Neurons
Published on: October 18, 2017
The transport of alpha-aminoisobutyrate into Crithidia fasciculata
Abstract:
The transport of alpha-aminoisobutyrate into Crithidia fasciculata was characterized under aerobic and anaerobic conditions. Kinetic data for alpha-aminoisobutyrate transport were consistent with the operation of a single system of broad specificity that showed no marked dependence on Na+. Under anaerobic conditions alpha-aminoisobutyrate transport was inhibited by uncouplers such as 2,4-dinitrophenol, lipophilic cations such as methyltriphenylphosphonium ion and adenosine triphosphatase inhibitors such as dicyclohexylcarbodi-imide and NaN3. A working model in which alpha-aminoisobutyrate enters this organism by an H+-symport mechanism, the electrochemical gradient of protons being maintained by an H+-translocating adenosine triphosphatase on the cytoplasmic membrane, is proposed.
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