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November 17, 2025MicrobiologyOpen Access

Patterns of Betaine Reduction by a Haloalkaliphilic Bacterium Alkaliphilus peptidifermentans Grown on Amino Acids and Ethanolamine

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Authors

YBYu. V. BoltyanskayaEDE. N. DetkovaIOI. Yu. Oshkin

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Overview

Research demonstrates betaine acts as an electron acceptor during growth on ethanolamine, highlighting metabolic pathways in bacteria.

Key Points

  • This research investigates the ability of Alkaliphilus peptidifermentans to reduce betaine during anaerobic growth.
  • Studied betaine as an electron acceptor in redox reactions
  • Proposed metabolic pathways for amino acid degradation
  • Measured activities of key enzymes in metabolism
  • Constructed schemes for metabolic pathways using genome annotation
  • Identified a molar stoichiometric ratio of 1:2 for growth on serine/threonine with betaine
  • Demonstrated Stickland reaction with betaine for proline and ornithine for the first time
  • Revealed biochemical mechanisms of betaine reduction during growth on ethanolamine

Cite This Study

Boltyanskaya et al. (2025) studied this question.

synapsesocial.com/papers/692509e8c0ce034ddc3526bchttps://doi.org/10.1134/s0026261725602246
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