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March 21, 2026Open Access

Genetic insights into sulfobacin biosynthesis in Flavobacterium johnsoniae

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TVTheresa Heidi Villunger

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Overview

Comparative analysis reveals key genes in sulfobacin biosynthesis in Flavobacterium johnsoniae, highlighting its role in motility.

Key Points

  • The study aims to characterize unknown genes involved in sulfobacin biosynthesis using Flavobacterium johnsoniae as a model organism.
  • Comparative genomic analysis of bacterial ceramide biosynthesis pathways
  • Creation of markerless deletion mutants and frameshift mutants of F. johnsoniae
  • Lipid composition analysis using LC-MS/MS
  • Microscopic analysis of motility
  • The mutant strain lacking the potential sulfobacin synthase gene lost motility completely.
  • LC-MS/MS analyses showed absence of sulfobacines and accumulation of the precursor capnin in the mutant.
  • Monooxygenase mutants continued producing sulfonolipids but had impaired motility.

Cite This Study

Theresa Heidi Villunger (2026) studied this question.

synapsesocial.com/papers/69be37dd6e48c4981c677ccchttps://doi.org/10.25365/thesis.80664
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