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Updated: Jul 4, 2026
06:10
Following Cell-fate in E. coli After Infection by Phage Lambda
Published on: October 14, 2011
Holin of bacteriophage lambda: structural insights into a membrane lesion
Mart Krupovic1, Dennis H Bamford
1Department of Biological and Environmental Sciences and Institute of Biotechnology, Biocenter 2, PO Box 56, Viikinkaari 5, FIN-00014 University of Helsinki, Finland.
Molecular Microbiology
|June 25, 2008
Summary
Small membrane proteins called holins control bacteriophage infection cycles by forming holes in bacterial membranes. This study presents the first structural characterization of these holin protein rings.
Area of Science:
- Microbiology
- Structural Biology
- Molecular Biology
Background:
- Bacteriophage infection cycles are regulated by holins, small integral membrane proteins.
- Holins act as lysis gates, forming pores in the bacterial cytoplasmic membrane at specific times.
Discussion:
- This research provides the first structural characterization of holin protein rings.
- The study focuses on the formation of large-diameter rings by holins.
Key Insights:
- Structural insights into holin ring formation offer a deeper understanding of phage lysis mechanisms.
- The findings illuminate the function of holins as critical components in bacteriophage biology.
Outlook:
- Further structural studies could reveal dynamic changes in holin pores.
- Understanding holin structure-function relationships may lead to novel antimicrobial strategies.
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