
Biology
Helical ultrastructure of the L-ENA spore aggregation factor of a *Bacillus paranthracis* foodborne outbreak strain
M. Sleutel, E. D. Zegeye, et al.
This research by Mike Sleutel, Ephrem Debebe Zegeye, Ann-Katrin Llarena, Brajabandhu Pradhan, Marcus Fislage, Kristin O'Sullivan, Nani Van Gerven, Marina Aspholm, and Han Remaut uncovers a new subclass of robust endospore appendages in *Bacillus paranthracis*, revealing their potential role in survival and virulence in related strains. Utilizing cutting-edge techniques like cryo-electron microscopy and AlphaFold modeling, the study introduces a helical structure formed by stacked rings, igniting interest in microbial behaviors.
~3 min • Beginner • English
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