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1 S. epidermidis agr reporter strains were developed for e
2 S. epidermidis bacteria were cultured in vitro on the na
3 S. epidermidis biofilms preferentially form on abiotic s
4 S. epidermidis contains the cap operon, encoding the pol
5 S. epidermidis has the ability to attach to indwelling m
6 S. epidermidis isolates were collected from 104 patients
7 s of the infecting organisms, we examined 31 S. epidermidis NVE and 65 PVE isolates, as well as 21 is
8 phic demonstrated only two alleles in the 33 S. epidermidis isolates analyzed, corresponding to the p
11 ult Wistar rats [n = 6 sterile screws; n = 6 S. epidermidis-colonized screws; n = 26 C. acnes-coloniz
15 am-positive pathogens, with activity against S. epidermidis that equals that of the currently prescri
18 n of adaptive immunity to protection against S. epidermidis challenge was complicated by a highly eff
19 ifferences related to the etiological agent (S. epidermidis in SAM; Staphylococcus aureus in AM), mil
22 d PMN migration into fibrin gels and allowed S. epidermidis to increase by approximately 300% in 4 h,
24 more effective at killing P. aeruginosa and S. epidermidis at basic pH values (pH = 9) compared to a
25 ogenesis of biofilm-associated S. aureus and S. epidermidis and may contribute to the chronic nature
29 been identified that can bind S. aureus and S. epidermidis cells and are protective in an infant rat
31 latory differences between the S. aureus and S. epidermidis ferritins, as sefA expression in contrast
33 bacterial load associated with S. aureus and S. epidermidis infection in an acute murine bacteremia m
34 tablished in vitro biofilms of S. aureus and S. epidermidis significantly more so than traditional an
35 lococci, above all Staphylococcus aureus and S. epidermidis, are the most frequent causes of biofilm-
39 ) of lauric acid on P. acnes, S. aureus, and S. epidermidis growth indicate that P. acnes is the most
40 log inactivation of E. coli, E. durans, and S. epidermidis, respectively, in clean water and seconda
43 us [MIC = 12.5-25.0 ug/ml (5.2-10.4 uM)] and S. epidermidis [MIC = 12.5 ug/ml (5.2 uM)], and moderate
47 biofilm formation by Staphylococcus aureus, S. epidermidis and Aggregatibacter actinomycetemcomitans
48 sing bacteria such as Staphylococcus aureus, S. epidermidis, and Pseudomonas aeruginosa, but without
49 gene was observed for Staphylococcus aureus, S. epidermidis, and S. haemolyticus as well as among mec
50 ystem was evaluated with five test bacteria: S. epidermidis, M. luteus, E. hirae, B. subtilis, and E.
51 potential use for normal commensal bacterium S. epidermidis to activate TLR2 signaling and induce ant
57 n specifically prevents biofilm formation by S. epidermidis and methicillin-resistant S. aureus (MRSA
59 modulins (PSMs) gamma and delta produced by S. epidermidis have an alpha-helical character and a str
61 t the production of PSMgamma and PSMdelta by S. epidermidis can benefit cutaneous immune defense by s
63 ination of quorum-sensing regulation used by S. epidermidis represents a surprising and unusual means
64 aphylococcal strains (S. aureus, S. capitis, S. epidermidis, S. haemolyticus, S. hominis, S. lugdunen
65 hole-cell lysates of S. aureus, S. carnosus, S. epidermidis, S. hominis, S. cohnii, S. lugdunensis, a
66 osthetic valves and intravascular catheters, S. epidermidis NVE is a virulent infection associated wi
71 me-wide comparison of clinical and commensal S. epidermidis strains to identify putative virulence de
74 show here the first evidence of a composite S. epidermidis pathogenicity island (SePI), the product
75 oprotease SepA is required for Aap-dependent S. epidermidis biofilm formation in static and dynamic b
77 provide potential biomarkers to distinguish S. epidermidis infection from sterile postoperative infl
80 (E. durans) and Staphylococcus epidermidis (S. epidermidis) by PAA combined with UV concurrently (UV
81 both TthCsm and Staphylococcus epidermidis (S. epidermidis) Csm (SepCsm) cleave RNA transcripts, but
82 (S. aureus), and Staphylococcus epidermidis (S. epidermidis) with lauric acid yielded minimal inhibit
83 robes, including Staphylococcus epidermidis (S. epidermidis), a Gram-positive bacterium, live inside
86 produced isogenic deletion mutants for every S. epidermidis psm locus and a sequential deletion mutan
89 uture) driveline exit site were cultured for S. epidermidis before VAD insertion and at 7 times after
91 The most significant virulence factor for S. epidermidis is its ability to form a biofilm, which r
93 s, we analyzed the genome of biofilm-forming S. epidermidis, constructed a microarray representing it
94 ssembly, our findings indicate that Aap from S. epidermidis requires Zn(2+) as a catalyst that drives
95 Accumulation-associated protein (Aap) from S. epidermidis has been shown to be necessary and suffic
96 c followed by 9,960 CFUs and 9,900 CFUs from S. epidermidis wild type in BALB/c and CD-1, respectivel
98 rile nontoxic small molecule of <10 kDa from S. epidermidis conditioned culture medium (SECM), but no
102 ed Overnight Gram-Positive panels identified S. epidermidis strains accurately, but the panels perfor
103 rowth of P. aeruginosa, whereas impressively S. epidermidis did not grow at all when treated with a 5
106 rC interactions crucial for QS activation in S. epidermidis and advance the understanding of QS at th
108 n, and packaging of a novel bacteriophage in S. epidermidis FRI909, as well as attempts to mobilize t
112 ed protein Aap promotes biofilm formation in S. epidermidis, independently from the polysaccharide in
117 rulence determinants have been identified in S. epidermidis, which are typically acquired through hor
119 t the in vivo biofilm infection phenotype in S. epidermidis is in accordance with the PSM biofilm str
121 olled by sar in S. aureus are not present in S. epidermidis, an examination of functional and structu
124 fied mecA-mediated beta-lactam resistance in S. epidermidis Using mecA PCR as the gold standard, the
125 The major open reading frame within sar in S. epidermidis is highly homologous (84%) to the S. aure
127 other bacterial pathogens, quorum sensing in S. epidermidis thus has a different role during biofilm
133 ion and phenotypic features of the infecting S. epidermidis isolate with the clinical outcome for the
134 and other species of Cutibacteria inhibited S. epidermidis but did not inhibit biofilms by Pseudomon
135 This work provides detailed insights into S. epidermidis biofilm formation and architecture that i
136 athology induced by a subsequent intravenous S. epidermidis challenge, compared to priming with M10 c
137 i, we sequenced the DNA upstream of the 3-kb S. epidermidis sitABC operon, which Northern blot analys
138 crom into these gels in 6 h and did not kill S. epidermidis when the gels contained heat-inactivated
139 ated that specific secreted, surfactant-like S. epidermidis peptides--the beta subclass of phenol-sol
141 era generated in rabbits immunized with live S. epidermidis 0-47 or with biotin-labeled serum protein
142 peripheral whole blood stimulated with live S. epidermidis were analyzed by 11-plex immunoassay.
145 ex vivo antimicrobial activity against MRSA, S. epidermidis, and E. faecalis compared with the ARROWg
146 racterize the structures of the three native S. epidermidis AIP signals and five non-native analogs w
147 y differentiated mecA-positive and -negative S. epidermidis isolates, with categorical agreement (CA)
149 e, evidence is provided that in PIA-negative S. epidermidis 1457Deltaica, the metalloprotease SepA is
152 fense capability and that S. aureus, but not S. epidermidis, triggers a PLA(2) response in the rabbit
155 The CPID-2 panels identified 85 to 95% of S. epidermidis strains, 76 to 86% of S. hominis strains,
159 s then tested using multiple applications of S. epidermidis supernatant, the repetitive inflammatory
161 To investigate potential CSF biomarkers of S. epidermidis shunt infection, we developed a rat model
164 was confirmed to accelerate the clearance of S. epidermidis bacteremia, but TLR2(-/-)mice could still
165 PFGE demonstrated a predominant clone of S. epidermidis (major subtype A) which was 35.5 times mo
166 lator agr affects the biofilm development of S. epidermidis in an unexpected fashion and is likely in
167 ed BALB/cAnNCrl (BALB/c) male mice, doses of S. epidermidis O-47 wild type, its hemB mutant with stab
170 late, and the approximately 2.6-Mb genome of S. epidermidis RP62a, a methicillin-resistant biofilm is
173 idis genome, new markers for invasiveness of S. epidermidis, and potential targets for drug developme
175 a-lactam resistance in 100 human isolates of S. epidermidis (48 mecA-positive isolates and 52 mecA ne
176 aphylococcus xylosus, 3 distinct isolates of S. epidermidis, and all other tested human skin commensa
178 as essential for key virulence mechanisms of S. epidermidis, namely biofilm formation, colonization,
180 Our goal was to develop a murine model of S. epidermidis infection to identify potential vaccine t
182 , mediated by PIA/HA, in the pathogenesis of S. epidermidis experimental CVC-associated infection.
183 , mediated by PIA/HA, in the pathogenesis of S. epidermidis experimental foreign body infection.
186 s important role in the biofilm phenotype of S. epidermidis 1457, in which the Aap protein is process
187 abscess formation by different phenotypes of S. epidermidis in a foreign body infection model is most
190 roduction of PS/A and that the properties of S. epidermidis associated with initial bacterial adheren
192 immunoreactive or serum binding proteins of S. epidermidis were identified by mass spectrometry.
194 phenotype, the agr quorum-sensing regulon of S. epidermidis was characterized by a genomewide analysi
195 also found that a single B domain repeat of S. epidermidis 9491 retains the capacity to bind to type
197 re supernatant also increased sensitivity of S. epidermidis to antibiotic killing under biofilm-formi
199 roscopy during both early and late stages of S. epidermidis biofilm formation, and we confirmed that
200 inactivation altered the metabolic status of S. epidermidis, resulting in a massive derepression of P
204 PGA was synthesized by all tested strains of S. epidermidis and a series of closely related coagulase
205 ily adsorbed out by PS/A-positive strains of S. epidermidis and recombinant strains of staphylococci
207 rging evidence suggests that some strains of S. epidermidis may contribute to the pathogenesis of com
208 y therefore, the pathogenicity of strains of S. epidermidis which were isolated from the stool sample
209 to which the population genetic structure of S. epidermidis distinguishes commensal from pathogenic i
211 disabling agr likely enhances the success of S. epidermidis during infection of indwelling medical de
212 ed significant alterations to the surface of S. epidermidis, and electron microscopy showed cellular
215 e to exert a complete bactericidal effect on S. epidermidis and S. aureus strains and maintain steril
217 e effect of these molecules was evaluated on S. epidermidis growth rate and HGF viability, gene expre
219 ytometry or immunofluorescence microscopy on S. epidermidis 0-47 grown in nutrient broth or in the pr
221 Rabbits challenged with either S. aureus or S. epidermidis demonstrated a significant reduction in C
222 gene in 599 cultures containing S. aureus or S. epidermidis was 98.6% sensitive and 94.3% specific co
223 for 69 blood cultures with only S. aureus or S. epidermidis was concordant with susceptibility testin
228 e evidence that the murine epidermis permits S. epidermidis, a skin-specific bacterium, to shape the
232 nistered in high-fat-fed mice, Hld-producing S. epidermidis significantly reduced markers associated
233 s of phenol-soluble modulins (PSMs)--promote S. epidermidis biofilm structuring and detachment in vit
235 (SasG) and accumulation-associated protein (S. epidermidis) promote biofilm formation through their
237 is work, we show in vitro that a recombinant S. epidermidis Csm1 cleaves single-stranded DNA and RNA
238 le S. epidermidis, and methicillin-resistant S. epidermidis with sensitivities of 95%, 80%, and 96%,
240 Staphylococcus aureus, Meticillin-resistant S. epidermidis, Escherichia coli, Pseudomonas aeruginosa
241 s corresponding to five previously sequenced S. epidermidis genes were synthesized and then used to a
244 om 5 healthy individuals, we found that skin S. epidermidis isolates coalesce into multiple founder l
247 ococcus epidermidis, methicillin-susceptible S. epidermidis, and methicillin-resistant S. epidermidis
250 PIA biosynthesis led us to hypothesize that S. epidermidis is "sensing" disparate environmental sign
255 study is the first analysis suggesting that S. epidermidis isolates from patients with NVE constitut
262 hat there are at least five Sir boxes in the S. epidermidis genome and at least three in the genome o
264 To further understand the outputs of the S. epidermidis agr system, an RNAIII mutant was construc
266 udy revealed high genetic variability of the S. epidermidis genome, new markers for invasiveness of S
270 no acid and nucleotide repeat regions of the S. epidermidis surface proteins SdrG and Aap show promis
272 emia despite taking antibiotics to which the S. epidermidis isolate is fully susceptible in vitro.
273 propionic, isobutyric or isovaleric acid to S. epidermidis inhibited biofilm formation and, similarl
274 ar response to STF and OspA-L in addition to S. epidermidis (PSM) Ags, and that engagement of TLR2 tr
275 These results demonstrate Aap contributes to S. epidermidis infection, which may in part be due to A
276 em to study the antigen-specific response to S. epidermidis, we demonstrated that skin colonization d
278 gests that care should be used when treating S. epidermidis infections with cross-inhibiting peptides
279 ence and a molecular characterization of two S. epidermidis phages, phiPH15 (PH15) and phiCNPH82 (CNP
281 d intravenous catheter with either wild-type S. epidermidis 1457 or its isogenic PIA/HA-negative muta
283 Blood cytokine responses to an in vitro S. epidermidis challenge were similar between infected a
284 ecies identified as multidrug resistant were S. epidermidis, S. haemolyticus and S. hominis, whereas
285 were enriched in virulence factors, whereas S. epidermidis AD strains varied in genes involved in in
288 tides, killing pathogenic competitors, while S. epidermidis itself proved highly resistant owing to i
289 as documented in 75% of rats challenged with S. epidermidis O-47, compared with 12.5% and 25% challen
290 acnes in a diverse microbial community with S. epidermidis can be beneficial to the host and demonst
291 nd CCL3 in the CSF of animals implanted with S. epidermidis-infected catheters compared to sterile co
293 d catheters of 87.5% of rats inoculated with S. epidermidis O-47, compared with 25% of rats challenge
295 ed in mice challenged intraperitoneally with S. epidermidis biofilm cells of the PNAG-producing 9142
297 o 10(7) per ml were mixed in suspension with S. epidermidis at concentrations varying from 10(3) to 1
298 amyloid-like fibrils composed of Aap within S. epidermidis biofilms and demonstrated that a biologic
299 e was more common in rats inoculated with wt S. epidermidis, compared with AtlE- or PIA-deficient mut