Abstract
The Bacillus cereus group comprises closely related species, including some with pathogenic potential (e.g., Bacillus anthracis and Bacillus cytotoxicus). Their toxins represent the most frequently reported cause of food poisoning outbreaks at the European level. Bacteriophage research is undergoing a remarkable renaissance for its potential in the biocontrol and detection of such pathogens. As the primary site of phage-bacteria interactions and a prerequisite for successful phage infection, adsorption is a crucial process that needs further investigation. The current knowledge about B. cereus phage adsorption is currently limited to siphoviruses and tectiviruses. Here, we present the first insights into the adsorption process of Herelleviridae Vp4 and Deep-Blue myophages preying on B. cereus hosts, highlighting the importance of polysaccharide moieties in this process and confirming the binding to the host surface of Deep-Blue Gp185 and Vp4 Gp112 receptor-binding proteins and Gp119 baseplate wedge.
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