Why the study?
Determining the structural and mechanistic basis of broad rotavirus protection can contribute to understanding the current limitations of vaccine efficacy in developing countries.
Population
Attenuated human rotavirus isolate (CDC-9) bound with the Fab fragment of a broadly heterotypic protective antibody
Comparison
CDC-9 virus particles at two stages of serial passaging
Design
Structural comparison study
Authors
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Structural basis for broad rotavirus protection is hypothesis-generating; leaves open vaccine optimization for developing countries.
Broadly neutralizing human antibodies against rotavirus likely protect by inhibiting the conformational transition of the VP4 spike protein required for viral penetration.
Jenni et al. (2022) studied this question.
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