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Steven J. Projan

Researcher at Public Health Research Institute

Publications -  86
Citations -  11374

Steven J. Projan is an academic researcher from Public Health Research Institute. The author has contributed to research in topics: Plasmid & Gene. The author has an hindex of 53, co-authored 86 publications receiving 10741 citations. Previous affiliations of Steven J. Projan include Pfizer & British Society for Antimicrobial Chemotherapy.

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Synthesis of staphylococcal virulence factors is controlled by a regulatory RNA molecule.

TL;DR: It is shown that the cloned RNAIII determinant restores both positive and negative regulatory functions of agr to an agr‐null strain and that the RNA itself, rather than any protein, is the effector molecule.
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Transcription Profiling-Based Identification of Staphylococcus aureus Genes Regulated by the agr and/or sarA Loci

TL;DR: Genes that are involved in several biological processes but which are difficult to reconcile as playing a direct role in the organism's pathogenesis also appeared to be regulated by each effector, suggesting that products of both the agr and the sarA locus are more-global transcription regulators than previously realized.
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Global Gene Expression in Staphylococcus aureus Biofilms

TL;DR: This report uses a murine model of catheter-based biofilm formation to demonstrate that a UAMS-1 sarA mutant also has a reduced capacity to form a biofilm in vivo and identifies 48 genes in which expression was induced at least twofold in biofilms over expression under both planktonic conditions.
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Why is big Pharma getting out of antibacterial drug discovery

TL;DR: Since the advent of the antibiotic era in the late 1940s the cost and complexities of drug discovery and development have shifted the investment equation away from the development of drugs targeting short course therapies for acute diseases and towards long-term treatment of chronic conditions.