The membrane topology of immunity proteins for the two‐peptide bacteriocins carnobacteriocin XY, lactococcin G, and lactococcin MN shows structural diversity
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DOI: 10.1002/mbo3.957
Abstract: The two‐peptide bacteriocins produced by Gram‐positive bacteria require two different peptides, present in equimolar amounts, to elicit optimal antimicrobial activity. Producer organisms are protected from their bacteriocin by a dedicated immunity protein. The immunity proteins… read more here.
Keywords: peptide bacteriocins; immunity; topology; two peptide ... See more keywords
Envelope stress responses defend against type six secretion system attacks independently of immunity proteins
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DOI: 10.1038/s41564-020-0672-6
Abstract: The arms race among microorganisms is a key driver in the evolution of not only the weapons but also defence mechanisms. Many Gram-negative bacteria use the type six secretion system (T6SS) to deliver toxic effectors… read more here.
Keywords: envelope stress; system; six secretion; type six ... See more keywords
Analysis of Effector and Immunity Proteins of the GA2 Type VI Secretion Systems of Gut Bacteroidales
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DOI: 10.1128/jb.00122-22
Abstract: Humans are colonized with many gut Bacteroidales species at high density, allowing for extensive opportunities for contact-dependent antagonism. To begin to understand the antagonistic potential of the GA2 T6SSs of the gut Bacteroidales, we performed… read more here.
Keywords: effector immunity; immunity proteins; ga2; gut bacteroidales ... See more keywords