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The accessory gene regulator (agr) quorum sensing system in staphylococci is responsible for the regulation of surface proteins and exoproteins, including many virulence factors in the pathogenic species Staphylococcus aureus and S. epidermidis. Strain S. epidermidis Tü3298 produces the lantibiotic epidermin. An isogenic agr deletion mutant of this strain showed a strong reduction of epidermin production...
Some members of the genus Staphylococcus are important human pathogens, such as Staphylococcus aureus and Staphylococcus epidermidis. ATP binding cassette (ABC) transporters of pathogenic staphylococci are often responsible for antibiotic resistance and for the uptake of essential solutes and are therefore being considered as targets for novel antistaphylococcal drugs. Other ABC transporters are involved...
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