Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| efficacy of oral isotretinoin in the control of skin and nasal colonization by antibiotic-resistant propionibacteria in patients with acne. | skin colonization by antibiotic-resistant propionibacteria is commonplace among acne patients globally. increasing attention is now being paid to how resistance rates might be reduced to preserve the future efficacy of antibiotics, especially erythromycin and clindamycin in acne therapy. | 2005 | 16307647 |
| in vitro bactericidal activity of the glycopeptide compounds vancomycin, teicoplanin and ramoplanin (a-16686/mdl 62,198). | 1989 | 16312373 | |
| milk whey culture with propionibacterium freudenreichii et-3 is effective on the colitis induced by 2,4,6-trinitrobenzene sulfonic acid in rats. | this study aimed to evaluate whether milk whey culture with propinibacterium freudenreichii et-3 (milk whey culture), which has been reported to have bifidogenic activity, is effective on the colitis induced by 2,4,6-trinitrobenzene sulfonic acid (tnbs) in rats. for the induction of colitis, the colon was clamped and 0.1 m tnbs in 35% ethanol was injected into the luminal side of the clamped portion under pentobarbital anesthesia. from the next day of colitis induction, milk whey culture was adm ... | 2005 | 16314691 |
| arthroplastic and osteosynthetic infections due to propionibacterium acnes: a retrospective study of 52 cases, 1995-2002. | the cases of 52 patients with propionibacterium acnes infection of orthopaedic implants are summarized: 20 patients with definite infection (sepsis, with p. acnes recovered from multiple specimens per patient), 15 with probable infection (sepsis, with p. acnes recovered from one specimen), and 17 with possible infection (signs of prosthetic malfunction or pseudo-osteoarthritis, with p. acnes recovered from one specimen). the patient population consisted of 37 males and 15 females with a mean age ... | 2005 | 16328558 |
| polymerase chain reaction for the rapid detection of cerebrospinal fluid shunt or ventriculostomy infections. | infection after cerebrospinal fluid (csf) shunts or ventriculostomies is a common complication associated with significant morbidity and mortality. polymerase chain reaction (pcr) is a powerful molecular technique that allows rapid and precise amplification of bacterial deoxyribonucleic acid (dna) and has proven a powerful tool in the detection of a wide variety of clinically important infectious diseases. we analyzed specimens of csf derived from ventriculoperitoneal shunts or external ventricu ... | 2005 | 16331172 |
| heterologous production of antimicrobial peptides in propionibacterium freudenreichii. | heterologous bacteriocin production in propionibacterium freudenreichii is described. we developed an efficient system for dna shuttling between escherichia coli and p. freudenreichii using vector pamt1. it is based on the p. freudenreichii rolling-circle replicating plasmid plme108 and carries the cml(a)/cmx(a) chloramphenicol resistance marker. introduction of the propionicin t1 structural gene (pcta) into pamt1 under the control of the constitutive promoter (p4) yielded bacteriocin in amounts ... | 2005 | 16332788 |
| changes in lactate-producing and lactate-utilizing bacteria in relation to ph in the rumen of sheep during stepwise adaptation to a high-concentrate diet. | changes in the numbers and types of lactate-producing and lactate-utilizing bacteria in the rumen of sheep were followed during stepwise adaptation from a low- to a high-concentrate diet. the mean numbers of bacteria increased after each change in diet when increasing amounts of maize grain were substituted for maize stover. a surge in number of amylolytic bacteria always preceded an increase in lactate-utilizing bacteria, and with the final diet containing 71% grain and molasses the two groups ... | 1979 | 16345431 |
| microbiological, biochemical, and electron microscopic characterization of a pectinatus strain. | a spoilage organism isolated from turbid beer is described. the bacterium was gram negative, catalase negative, strictly anaerobic, and rod shaped, having flagella only on one side of the cell. the main metabolic product was propionic acid. in addition acetic, succinic, and lactic acids and acetoin were formed. malonate inhibited the production of propionic acid by the strain studied and by both pectinatus and propionibacterium strains. the guanine-plus-cytosine content of deoxyribonucleic acid ... | 1981 | 16345720 |
| commensalistic interaction between lactobacillus acidophilus and propionibacterium shermanii. | propionibacterium shermanii and lactobacillus acidophilus were grown in batch mixed culture in a 5-liter fermenter under controlled conditions of ph 5.8 and 35 degrees c on a semisynthetic medium with glucose as an energy source. cellular efficiencies and fermentation balances were developed for this pair and compared with p. shermanii grown in pure culture on glucose, lactate, and a mixture of these substrates and with l. acidophilus grown on glucose. p. shermanii had atp yield coefficient valu ... | 1982 | 16346098 |
| utilization of pp(i) as an energy source by a clostridium sp. | the growth of an anaerobic, spore-forming rod we have isolated from the cockroach gut after enrichment on media containing pp(i) was stimulated by the presence of pp(i). the doubling time decreased and cell yield increased proportionately to pp(i) concentrations of up to 0.35%. a similar stimulation of the growth of desulfotomaculum sp. by pp(i) has been reported. the pp(i)-stimulated clostridium sp. fermented a number of sugars with the production of hydrogen, acetate, and butyrate, with smalle ... | 1983 | 16346447 |
| inhibitory effect of autoclaving whey-based medium on propionic acid production by propionibacterium shermanii. | propionic acid production by propionibacterium shermanii was compared in pasteurized and autoclaved whey-based media. propionic acid production decreased with increasing whey concentration in autoclaved media but not in pasteurized media. increasing the yeast extract concentration from 5 to 10 g/liter greatly reduced the inhibitory effect of autoclaving. | 1986 | 16346998 |
| utilization of lactate isomers by propionibacterium freudenreichii subsp. shermanii: regulatory role for intracellular pyruvate. | five strains of propionibacterium freudenreichii subsp. shermanii utilized the l-(+) isomer of lactate at a faster rate than they did the d-(-) isomer when grown with a mixture of lactate isomers under a variety of conditions. atcc 9614, grown anaerobically in defined medium containing 160 mm dl-lactate, utilized only 4 and 15% of the d-(-)-lactate by the time 50 and 90%, respectively, of the l-(+)-lactate was used. the intracellular pyruvate concentration was high (>100 mm) in the initial stage ... | 1986 | 16347134 |
| metabolism of aspartate by propionibacterium freudenreichii subsp. shermanii: effect on lactate fermentation. | more than 90% of the aspartate in a defined medium was metabolized after lactate exhaustion such that 3 mol of aspartate and 1 mol of propionate were converted to 3 mol of succinate, 3 mol of ammonia, 1 mol of acetate, and 1 mol of co(2). this pathway was also evident when propionate and aspartate were the substrates in complex medium in the absence of lactate. in complex medium with lactate present, about 70% of the aspartate was metabolized to succinate and ammonia during lactate fermentation, ... | 1986 | 16347135 |
| properties of alanine dehydrogenase and aspartase from propionibacterium freudenreichii subsp. shermanii. | during lactate fermentation by propionibacterium freudenreichii subsp. shermanii atcc 9614, the only amino acid metabolized was aspartate. after lactate exhaustion, alanine was one of the two amino acids to be metabolized. for every 3 mol of alanine metabolized, 2 mol of propionate, 1 mol each of acetate and co(2), and 3 mol of ammonia were formed. the specific activity of alanine dehydrogenase was 0.08 u/mg of protein during lactate fermentation, and it increased to 0.9 u/mg of protein after la ... | 1987 | 16347414 |
| citrate cycle intermediates in the metabolism of aspartate and lactate by propionibacterium freudenreichii subsp. shermanii. | propionibacterium freudenreichii subsp. shermanii metabolized 7 mol of aspartate to 6 mol of succinate, 4 mol of co(2), and 7 mol of ammonia. when lactate, sparged with 100% co(2), was fermented at ph 5.5, unexpectedly high ratios of propionate to acetate were obtained (i.e., 3.2 to 3.8:1). citrate cycle intermediates may be involved in these fermentations. | 1987 | 16347477 |
| enhanced propionate formation by propionibacterium freudenreichii subsp. freudenreichii in a three-electrode amperometric culture system. | in order to influence the fermentation pattern of propionibacterium freudenreichii towards enhanced propionate formation, growth and product formation with glucose and lactate as energy sources were studied in a three-electrode poised-potential amperometric culture system. with anthraquinone 2,6-disulfonic acid (e(0)' = -184 mv; poised electron potential = -224 mv) or cobalt sepulchrate (e(0)' = -350 mv; -390 mv) as mediator and an activated platinum working electrode, reduction of bacterially o ... | 1990 | 16348285 |
| partial purification and characterization of a bacteriocin produced by propionibacterium thoenii. | a partially purified bacteriocin produced by propionibacterium thoenii designated propionicin plg-1 was found to be active against closely related species and exhibited a broad spectrum of activity against other microorganisms. propionicin plg-1 was found to be heat labile, sensitive to several proteolytic enzymes, and stable at ph 3 to 9. propionicin plg-1 was isolated from solid medium, partially purified by ammonium sulfate precipitation, and purified further by gel filtration. gel filtration ... | 1991 | 16348436 |
| propionic acid production by a propionic acid-tolerant strain of propionibacterium acidipropionici in batch and semicontinuous fermentation. | a propionic acid-tolerant derivative of propionibacterium acidipropionici p9 was obtained by serially transferring strain p9 through broth that contained increasing amounts of propionic acid. after 1 year of repeated transfers, a strain (designed p200910) capable of growth at higher propionic acid concentrations than p9 was obtained. an increase in the proportion of cellular straight-chain fatty acids and uncoupling of propionic acid production from growth were observed for strain p200910. growt ... | 1991 | 16348561 |
| fluorinated vitamin b(12) analogs are cofactors of corrinoid-dependent enzymes: a f-labeled nuclear magnetic resonance probe for identifying corrinoid-protein interactions. | the homoacetogenic bacterium sporomusa ovata synthesized the vitamin b(12) analog phenolyl cobamide or 4-fluorophenolyl cobamide when the methanol medium of growing cells was supplemented with 10 mm phenol or 5 mm 4-fluorophenol. phenol and, presumably, 4-fluorophenol were specifically incorporated into these cobamides, since phenol was not metabolized significantly into amino acids or into acetic acid, the product of the catabolism. the phenol-containing cobamides contributed up to 90% of the p ... | 1993 | 16348877 |
| lipase and esterase activities of propionibacterium freudenreichii subsp. freudenreichii. | the lipase and esterase activities of eight strains of dairy propionibacterium freudenreichii subsp. freudenreichii were studied. a lipase activity was detected on whole cells and in the culture supernatant. the highest activity was expressed at 45 degrees c and ph 6.8. an esterase activity was also detected in the culture medium. the electrophoresis of the intracellular fractions of the cells revealed from three to six different esterase activities. two esterases were common to all the strains. ... | 1993 | 16349102 |
| involvement of an n-acetylglucosaminidase in autolysis of propionibacterium freudenreichii cnrz 725. | propionibacterium freudenreichii plays an important role in swiss cheese ripening (it produces propionic acid, acetic acid, and co(2)). moreover, autolysis of this organism certainly contributes to proteolysis and lipolysis of the curd because intracellular enzymes are released. by varying external factors, we determined the following conditions which promoted autolysis of both whole cells and isolated cell walls of p. freudenreichii cnrz 725: (i) 0.1 m potassium phosphate buffer (ph 5.8) at 40 ... | 1994 | 16349457 |
| research snippets from the british journal of dermatology. 2005. | 2005 | 16354169 | |
| delayed-onset endophthalmitis following cataract surgery caused by acremonium strictum. | this case represents the first report of acremonium strictum endophthalmitis. endophthalmitis caused by a. strictum may share clinical features typical of endophthalmitis due to propionibacterium acnes (such as delayed onset of the infection and white plaque-like material in the capsular bag). | 2005 | 16355956 |
| effects of feeding propionibacteria to dairy cows on milk yield, milk components, and reproduction. | two weeks before parturition, 38 holstein primiparous and multiparous cows were assigned to 1 of 3 treatment groups: control animals (n = 13) received regular total mixed rations (tmr), the low-dose group (n = 14) received the control tmr plus 6 x 10(10) cfu/cow of propionibacterium strain p169 (p169), and the high-dose group (n = 11) received the control tmr plus 6 x 10(11) cfu/cow of p169 from -2 to 30 wk postpartum. weekly milk samples were analyzed for percentage of milk fat, protein, lactos ... | 2006 | 16357273 |
| infected endoluminal stent-graft: implications for endotension, late endoleaks, and prophylactic antibiotics. | to retrospectively review a case of stent-graft infection that presented as continued aneurysm expansion after endoluminal repair. | 2005 | 16363894 |
| solid lipid microparticles (slm) containing juniper oil as anti-acne topical carriers: preliminary studies. | solid lipid microparticles (slm) were used as carriers of juniper oil and proposed for the topical treatment of acne vulgare. the formulations were obtained by the o/w emulsification method. compritol and precirol were employed as lipidic materials. emulsions containing 1.5% (w/w) of lipophilic phase (lipid and oil) and two different lipid to oil ratios (1:1 and 2:1) were prepared. blank particles were also prepared, as a comparison. the slm were characterized in terms of encapsulation efficienc ... | 2005 | 16370177 |
| comparative in vitro activities of retapamulin (sb-275833) against 141 clinical isolates of propionibacterium spp., including 117 p. acnes isolates. | using the nccls agar dilution method, we studied the in vitro activity of retapamulin (sb-275833) against 141 clinical isolates of propionibacterium species, including seven multiresistant strains, and found retapamulin to be the most active agent among those tested with mics of < or = 1 microg/ml against all isolates. | 2006 | 16377717 |
| commensal oral bacteria antigens prime human dendritic cells to induce th1, th2 or treg differentiation. | in various immunopathologic conditions, bacterial flora induce an immune response which results in inflammatory manifestations, e.g. periapical granuloma. dendritic cells provide the main orchestration of specific immune responses. the aim of our study was to test the capacity of distinct oral bacterial antigens (prepared from streptococcus mitis, propionibacterium acnes, and bacteroides spp.) to prime human dendritic cells for stimulation of the t-lymphocyte response. to assess the t-lymphocyte ... | 2006 | 16390334 |
| the temperature dependence of porphyrin production in propionibacterium acnes after incubation with 5-aminolevulinic acid (ala) and its methyl ester (m-ala). | topical pdt treatment of the common skin disease acne vulgaris is now in clinical use. propionibacterium acnes (p. acnes) is known to play an important role in acne. 5-aminolevulinic acid (ala) supplementation leads to an enhanced porphyrin production in the bacteria. subsequent illumination with light of the proper wavelengths can reduce the number of bacteria and this might at least partly explain the pdt effect on acne. we have assessed the effects of temperature on p. acnes washed cell suspe ... | 2006 | 16395429 |
| basics of flow cytometry-based sterility testing of platelet concentrates. | flow cytometry (facs) is a common technique in blood banking. it is used, for example, for the enumeration of residual white blood cells in plasma and in cellular blood products. it was investigated whether it can also be applied for sterility testing of buffy coat-derived platelet concentrates (pcs). | 2006 | 16398729 |
| [isolation and comparative analysis of glycolipid fractions in bifidobacteria]. | a comparative tlc analysis of lipid extracts from bifidobacterium longum b 379 m, b. bifidum 791, and b. adolescentis 94 bim has been performed. it is demonstrated that carbohydrate-containing lipid components were present in the bacteria, which differed in their chromatographic mobility (rf) from similar compounds isolated from actinomycetes stomatococcus mucilaginosus pcm 2415t, nocardiopsis dassonvillei pcm 2492, propionibacterium propionicum pcm 2431, saccharopolyspora hirsuta pcm 2279 (= at ... | 2005 | 16400987 |
| the effects of propionibacterium acidipropionici and lactobacillus plantarum, applied at ensiling, on the fermentation and aerobic stability of low dry matter corn and sorghum silages. | the aim of this work was to study the effects of applying a strain of propionibacterium acidipropionici, with or without lactobacillus plantarum, on the fermentation and aerobic stability characteristics of low dry matter (dm) corn (zea mays l.) and sorghum (sorghum bicolor l.) silages. corn at the dent stage and sorghum at the flowering stage were harvested. treatments comprised control (no additives), p. acidipropionici, l. plantarum and a combination of p. acidipropionici and l. plantarum. fr ... | 2006 | 16402248 |
| [propionibacterium acnes infective endocarditis. study of 11 cases and review of literature]. | propionibacterium acnes, a gram positive, anaerobic, skin commensal bacillus, is too often considered a biologic fluid contaminant, of blood cultures in particular. its implication has been shown in various infections, including brain abscess, ocular infections, osteitis, and acne. it is also the cause of infective endocarditis (ie). | 2005 | 16435600 |
| clinical and bacteriological evaluation of nadifloxacin 1% cream in patients with acne vulgaris: a double-blind, phase iii comparison study versus erythromycin 2% cream. | the aim of this double-blind, multinational, phase iii study was to investigate the clinical and bacteriological efficacy of nadifloxacin 1% cream compared with erythromycin 2% cream in 474 european patients with predominantly inflamed slight-to-moderate acne vulgaris. during 12 weeks of treatment both nadifloxacin and erythromycin caused significant reduction in the number of inflamed papulo-pustular lesions (66.7% and 64.7%, respectively) and open and closed comedones. the microbiological eval ... | 2006 | 16436342 |
| the presence of propionibacterium spp. in the vitreous fluid of uveitis patients with sarcoidosis. | 2006 | 16445463 | |
| in vivo and in vitro effect of killed propionibacterium acnes and its purified soluble polysaccharide on mouse bone marrow stem cells and dendritic cell differentiation. | among the effects exerted by propionibacterium acnes, a most relevant one is its capacity to modulate the th1/th2 cellular immune response. this effect depends on the induction and activation of antigen presenting cells, mainly dendritic cells (dcs), whose number is increased in the peripheral blood of animals treated with this bacterium. a soluble p. acnes polysaccharide (ps) extract also acts on dcs, modulating a th1 immune response. these data led us to investigate the role of p. acnes and it ... | 2006 | 16446175 |
| microbially safe utilization of non-inactivated oats (avena sativa l.) for production of conjugated linoleic acid. | a microbially safe process for the enrichment of conjugated linoleic acid (cla) in oats was developed. the process consists of hydrolysis of oat lipids by non-inactivated oat flour, followed by propionibacterium-catalyzed isomerization of the resulting free linoleic acid to cla. the first stage was performed at water activity (a(w)) 0.7, where hydrolysis of triacylglycerols progressed efficiently without growth of the indigenous microflora of flour. thereafter, the flour was incubated as a 5% (w ... | 2006 | 16448209 |
| influence of a new surface modification of intraocular lenses with fluoroalkylsilan on the adherence of endophthalmitis-causing bacteria in vitro. | dynasilan is a fluoroalkylsilan that is able to interact with surface active centres on intraocular lenses (iol), offering a new way for surface modification of different iol materials. the purpose of this in vitro study was to investigate the influence of this new surface modification on the adherence of two typical endophthalmitis causing bacteria (staphylococcus epidermidis, propionibacterium acnes). | 2006 | 16453124 |
| evaluation of reca gene as a phylogenetic marker in the classification of dairy propionibacteria. | the aim of this study was to investigate the validity of reca gene as a molecular marker for the reliable discrimination and classification of dairy propionibacteria and the closely related species. regions of the reca gene, varying in size between 613 and 677 nucleotides, were sequenced for propionibacterium acidipropionici, p. cyclohexanicum, p. freudenreichii, p. jensenii, p. microaerophilum and p. thoenii using degenerate consensus primers constructed by aligning reca sequences of some actin ... | 2006 | 16458468 |
| changes in protein synthesis during thermal adaptation of propionibacterium freudenreichii subsp. shermanii. | dairy propionibacteria are present in graviera kritis, a traditional gruyère-type cheese made without added propionic starter. ten isolated strains were identified by a combination of sds-page, species-specific pcr and according to their ability to ferment lactose. they were all found to belong to the propionibacterium freudenreichii subsp. shermanii species. because of the stressing gruyère technology, which includes cooking at 52 to 53 degrees c their thermotolerance was investigated at 55 deg ... | 2006 | 16473425 |
| production of trans-10, cis-12 conjugated linoleic acid in rice. | conjugated linoleic acid (cla) has anti-carcinogenic and anti-atherosclerosis activity, and modulatory effects on the immune system and lipid metabolism. to produce a transgenic rice plant that can accumulate cla, a linoleate isomerase gene that can convert linoleic acid to trans-10, cis-12 cla was introduced and expressed under the control of seed-specific promoters from the oleosin and globulin genes. the fatty acid composition of the transgenic rice grain was analyzed by gas chromatography. a ... | 2006 | 16475013 |
| tagging of ns5a expressed from a functional hepatitis c virus replicon. | knowledge of how hepatitis c virus (hcv) proteins associate with components of the host cell to form a functional replication complex is still limited. to address this issue, hcv replicon constructs were generated where either green fluorescent protein (gfp) or the propionibacterium shermanii transcarboxylase domain (pstcd) was introduced into the ns5a coding region. insertion of both gfp and pstcd was tolerated well, allowing formation of stable replicon-containing cell lines that contained vir ... | 2006 | 16476985 |
| structure and mechanism of the propionibacterium acnes polyunsaturated fatty acid isomerase. | conjugated linoleic acids (clas) affect body fat gain, carcinogenesis, insulin resistance, and lipid peroxidation in mammals. several isomers of cla exist, of which the (9z, 11e) and (10e, 12z) isomers have beneficial effects on human metabolism but are scarce in foods. bacterial polyunsaturated fatty acid isomerases are promising biotechnological catalysts for cla production. we describe six crystal structures of the propionibacterium acnes polyunsaturated fatty acid isomerase pai in apo- and p ... | 2006 | 16477020 |
| microbial metabolomics with gas chromatography/mass spectrometry. | an analytical method was set up suitable for the analysis of microbial metabolomes, consisting of an oximation and silylation derivatization reaction and subsequent analysis by gas chromatography coupled to mass spectrometry. microbial matrixes contain many compounds that potentially interfere with either the derivatization procedure or analysis, such as high concentrations of salts, complex media or buffer components, or extremely high substrate and product concentrations. the developed method ... | 2006 | 16478122 |
| propionibacterium acnes. | propionibacterium acnes, a common skin organism, is most notably recognized for its role in acne vulgaris. it also causes postoperative and device-related infections and has been associated with a number of other conditions such as sarcoidosis and synovitis, acne, pustulosis, hyperostosis and osteitis (sapho), although its precise role as a causative agent remains to be determined. propionibacterium acnes produces a number of virulence factors and is well known for its inflammatory and immunomod ... | 2006 | 16478502 |
| antibiotic resistance of propionibacteria. four years' experience of a large number of cases in italy. | 2006 | 16484831 | |
| anterior chamber paracentesis cytology (cytospin technique) for the diagnosis of intraocular lymphoma. | to report on the diagnosis of intraocular lymphoma by aqueous cytology. | 2006 | 16488933 |
| should we use a separate knife for the skin? | the aim of this study was to re-assess whether the use of a 'one-knife technique' can be considered as safe as the alternative practice of using separate skin and inside knives for elective orthopaedic surgery. a total of 609 knife blades from 203 elective orthopaedic operations, with equal numbers of skin, inside and control blades, were cultured using direct and enrichment media. we found 31 skin blades (15.3%), 22 inside blades (10.8%), and 13 control blades (6.4%) gave bacterial growth. of t ... | 2006 | 16498017 |
| linezolid in the treatment of brain abscess due to peptostreptococcus. | brain abscesses can be caused by bacteria, fungi, and parasites. among bacteria, anaerobic organisms include the bacteroides species group, fusobacterium, peptostreptococcus, and propionibacterium. in these cases, a 4-week course of parenteral penicillin/cefalosporin and metronidazole is the standard of treatment. we describe a case of brain abscess secondary to anaerobic infection with peptostreptococcus, which was successfully treated with parenteral and oral linezolid after failure of standar ... | 2006 | 16500781 |
| antimicrobial susceptibility of anaerobic bacteria in new zealand: 1999-2003. | routine susceptibility testing of all anaerobic organisms is not advocated, but it is useful for laboratories to test periodically for anaerobic organisms and provide local susceptibility data to guide therapy. this study reports the national trend of antibiotic susceptibility of clinically significant anaerobes in new zealand. | 2006 | 16507560 |
| construction and characterization of ack knock-out mutants of propionibacterium acidipropionici for enhanced propionic acid fermentation. | propionibacterium acidipropionici produces propionic acid from glucose with acetic acid, succinic acid, and co2 as byproducts. in this work, inactivation of ack gene, encoding acetate kinase (ak), by gene disruption and integrational mutagenesis was studied as a method to reduce acetate formation in propionic acid fermentation. the partial ack gene of approximately 750 bp in p. acidipropionici was cloned using a pcr-based method with degenerate primers and sequenced. the deduced amino acid seque ... | 2006 | 16508995 |
| in-house siras phasing of the polyunsaturated fatty-acid isomerase from propionibacterium acnes. | the polyenoic fatty-acid isomerase from propionibacterium acnes (pai) catalyzes the double-bond isomerization of linoleic acid to conjugated linoleic acid, which is a dairy- or meat-derived fatty acid in the human diet. pai was overproduced in escherichia coli and purified to homogeneity as a yellow-coloured protein. the nature of the bound cofactor was analyzed by absorption and fluorescence spectroscopy. single crystals of pai were obtained in two crystal forms. cubic shaped crystals belong to ... | 2006 | 16511289 |
| long-chain 3-acyl-4-hydroxycoumarins: structure and antibacterial activity. | by reacting 4-hydroxycoumarin with long-chain acyl chlorides, a number of new 3-acyl derivatives were prepared and the relationship was studied between their structures and activities against staphylococcus aureus atcc 6538, staphylococcus epidermidis atcc 12228, and propionibacterium acnes atcc 11827. antibacterial activity was associated with enolic tautomers of a tricarbonylmethane group bearing a lipophilic side chain (undec-10-enoyl, undec-10-ynoyl, palmitoyl or octadec-9-enoyl). a newly sy ... | 2006 | 16511806 |
| gene array expression profiling in acne lesions reveals marked upregulation of genes involved in inflammation and matrix remodeling. | the pathogenesis of acne has been linked to multiple factors such as increased sebum production, inflammation, follicular hyperkeratinization, and the action of propionibacterium acnes within the follicle. in an attempt to understand the specific genes involved in inflammatory acne, we performed gene expression profiling in acne patients. skin biopsies were obtained from an inflammatory papule and from normal skin in six patients with acne. biopsies were also taken from normal skin of six subjec ... | 2006 | 16528362 |
| a novel dairy product fermented with propionibacterium freudenreichii improves the riboflavin status of deficient rats. | riboflavin deficiency is common in many parts of the world, particularly in developing countries. the use of riboflavin-producing strains in the production of dairy products such as fermented milk, yogurt, and cheese is feasible and economically attractive because it would decrease the costs involved during conventional vitamin fortification and satisfy consumer demands for healthier foods. the present study in a rat bioassay assessed the response of administration of yogurt containing a ribofla ... | 2006 | 16533593 |
| improved aero-anaerobe recovery from infected prosthetic joint samples taken from 72 patients and collected intraoperatively in rosenow's broth. | recovery of the bacteria responsible for prosthetic joint infections is a major problem, which is due in part to the alteration of their ability to grow by storage during transportation to the laboratory. | 2006 | 16534711 |
| [anaerobic bacteria isolated from patients with suspected anaerobic infections]. | the study involved 394 clinical samples sent to the clinical microbiology laboratory of hacettepe university adult hospital between january 1997 and may 2004 for anaerobic cultivation. since multiple cultures from the same clinical samples of the same patient were excluded, the study was carried on 367 samples. the anaerobic cultures were performed in anaerobic jar using anaerogen kits (oxoid, basingstoke, u.k.) or genbox (biomérieux, lyon, france). the isolates were identified by both classical ... | 2005 | 16544546 |
| anti-inflammatory activity of cationic peptides: application to the treatment of acne vulgaris. | cationic antimicrobial peptides exhibit potent antimicrobial activity against clinically relevant microorganisms including propionibacterium acnes. recent studies showed that, in addition to the antimicrobial activity, these peptides can exhibit an anti-inflammatory effect. these properties make cationic peptides attractive drug candidates for the treatment of acne vulgaris, a disease with both bacterial and inflammatory components. this review focuses on the anti-inflammatory activity of cation ... | 2006 | 16553825 |
| mechanism of propionic acid formation by propionibacterium pentosaceum. | 1948 | 16561634 | |
| vitamin requirements of the genus propionibacterium. | 1949 | 16561798 | |
| serological grouping of actinomyces by means of fluorescent antibodies. | slack, john m. (west virginia university, morgantown), ann winger, and dane w. moore, jr. serological grouping of actinomyces by means of fluorescent antibodies. j. bacteriol. 82:54-65. 1961.-serological groups a, b, c and d of actinomyces were established using fluorescent antibody techniques. one hundred and thirty-eight cultures were included in the study. eighty-nine were classed in group a, 15 in b, 13 in c, and 21 in d. the isolates were from patients and animals with actinomycosis and fro ... | 1961 | 16561915 |
| links between propionibacterium acnes and prostate cancer. | incidental foci of prostate cancer are found at autopsy in 30% of men in their third decade, and by their eighth decade more than 75% have histological evidence of cancer. this unprecedented cancer prevalence points to a ubiquitous causative agent or perhaps an interaction between multiple common carcinogenic cofactors. we propose that one of these carcinogens is propionibacterium acnes. several characteristics of prostate cancer suggest the involvement of an infectious agent and we provide evid ... | 2006 | 16563091 |
| protective effects of a neutral polysaccharide isolated from the mycelium of antrodia cinnamomea on propionibacterium acnes and lipopolysaccharide induced hepatic injury in mice. | mycelia of antrodia cinnamomea were extracted with chloroform and hot water. a neutral polysaccharide named acn2a separated from the water extract was purified using 10% ccl3cooh, and repeated column chromatography on hw-65 and de-52 cellulose. its structure was determined by chemical and spectroscopic analyses. acn2a was composed of gal, glc, fuc, man and galn (in the ratio 1:0.24:0.07:0.026:faint), in which an alpha-d-(1-->6)-gal linkage accounted for 73% of all linkages. the ratio of branch p ... | 2006 | 16595952 |
| clinical significance of brand versus generic formulations: focus on oral minocycline. | minocycline is an oral antibiotic widely prescribed throughout the world, primarily for the treatment of acne vulgaris; other uses include the treatment of rosacea and perioral dermatitis. in the united states, propionibacterium acnes resistance is lowest with minocycline compared with other tetracyclines and with erythromycin. the availability of generic formulations of minocycline has created confusion regarding the clinical significance of brand versus generic minocycline products. this artic ... | 2006 | 16610733 |
| adjuvant effect of the propionibacterium acnes and its purified soluble polysaccharide on the immunization with plasmidial dna containing a trypanosoma cruzi gene. | in the present work we investigated the role of killed propionibacterium acnes or a soluble polysaccharide extracted from bacterium cell wall in modulated experimental immunization with plasmidial dna. we used a plasmid, p154/13, containing a gene-encoding catalytic domain of trypanosoma cruzi (t. cruzi) trans-sialidase. as previously described, immunization of balb/c mice with p154/13 elicited humoral, cell-mediated and protective immune responses against t. cruzi infection. in this study we de ... | 2006 | 16625047 |
| total bacterial and species-specific 16s rdna micro-array quantification of complex samples. | we describe a novel dna-micro-array-based method that targets 16s rdna to quantify changes in both the total bacterial dna and the species-specific dna composition. | 2006 | 16629999 |
| propionibacterium acnes dna from an explanted intraocular lens detected by polymerase chain reaction in a case of chronic pseudophakic endophthalmitis. | we report a case of propionibacterium acnes dna from the explanted intraocular lens (iol) a 76-year-old man with delayed-onset chronic endophthalmitis. the detection was by polymerase chain reaction (pcr). slitlamp microscopic examination showed cells and flare in the anterior chamber, keratic precipitates on the endothelium, and multiple white plaques on both surfaces of the iol. propionibacterium acnes dna was found in both the aqueous humor and the explanted iol by pcr. scanning electron micr ... | 2006 | 16631069 |
| [acne therapy with topical benzoyl peroxide, antibiotics and azelaic acid]. | benzoyl peroxide (bpo) was introduced in the treatment of acne in 1934. despite the fact that only few randomized trials have been published, bpo is considered the standard in topical acne treatment. anaerobic bacteria are reduced by oxidative mechanisms and the induction of resistant strains is reduced. topical formulations are available at concentrations of 2.5, 5, 10 and 20 %. the effect is dose-dependent, but the irritation increases with higher concentrations. usually 5 % bpo is sufficient ... | 2006 | 16638058 |
| susceptibility of propionibacterium acnes and staphylococcus epidermidis to killing by mpo-halide system products. implication for taurine bromamine as a new candidate for topical therapy in treating acne vulgaris. | taurine chloramine (taucl) and taurine bromamine (taubr) are the main haloamines produced by activated neutrophils. taucl exerts both anti-inflammatory and microbicidal activities. clinical studies showed that taucl may be useful as an antimicrobial agent in the local treatment of infections. much less is known about taubr. circumstantial evidence suggests that propionibacterium acnes (pa) has a role in the inflammation of acne. available topical therapies include antimicrobial agents which redu ... | 2006 | 16642259 |
| pectin-like acidic polysaccharide from panax ginseng with selective antiadhesive activity against pathogenic bacteria. | previous studies have revealed the inhibitory effects of an acidic polysaccharide purified from the root of panax ginseng against the adhesion of helicobacter pylori to gastric epithelial cells and the ability of porphyromonas gingivalis to agglutinate erythrocytes. in this study, this acidic polysaccharide from p. ginseng, pg-f2, was investigated further, in order to characterize its antiadhesive effects against actinobacillus actinomycetemcomitans, propionibacterium acnes, and staphylococcus a ... | 2006 | 16643869 |
| pulmonary immune responses to propionibacterium acnes in c57bl/6 and balb/c mice. | propionibacterium acnes (pa) is a gram-positive anaerobic bacterium implicated as a putative etiologic agent of sarcoidosis. to characterize the pulmonary immune response to pa, c57bl/6 and balb/c mice were intraperitoneally sensitized and intratracheally challenged with heat-killed bacteria. c57bl/6 mice challenged with pa developed a cellular immune response characterized by elevations in th1 cytokines/chemokines, increased numbers of lymphocytes and macrophages in lung lavage fluid, and perib ... | 2006 | 16645181 |
| the utility of benzoyl peroxide in hydrophase base (brevoxyl) in the treatment of acne vulgaris. | available for more than 5 decades, benzoyl peroxide has been a "workhorse" of acne therapy. the benefits of this agent include reduction in propionibacterium acnes (p. acnes) with decrease in inflammatory lesions, efficacy as both "leave on" and cleanser formulations and reduced emergence of antibiotic-resistant p. acnes strains. as the effect of benzoyl peroxide on p. acnes is a direct toxic effect rather than as a "true" antibiotic, resistance to benzoyl peroxide does not occur and has never b ... | 2006 | 16673802 |
| probiotic supplementation reduces a biomarker for increased risk of liver cancer in young men from southern china. | in vitro and in vivo studies suggest that selected strains of probiotic bacteria can form tight complexes with aflatoxin b(1) and other carcinogens. | 2006 | 16685066 |
| antimicrobial properties of dead sea black mineral mud. | the unique, black, hypersaline mud mined from the dead sea shores is extensively used in mud packs, masks, and topical body and facial treatments in spas surrounding the lake, and in cosmetic preparations marketed worldwide, but little is known about its antimicrobiological properties. | 2006 | 16700781 |
| antibiotic-resistant propionibacterium acnes on the skin of patients with moderate to severe acne in stockholm. | the objective was to study the prevalence and antibiotic susceptibility patterns of propionibacterium acnes strains isolated from patients with moderate to severe acne in stockholm, sweden and to determine the diversity of pulsed-field gel electrophoresis types among resistant p. acnes strains. one hundred antibiotic-treated patients and 30 non-antibiotic-treated patients with moderate to severe acne participated in the investigation. facial, neck and trunk skin samples were taken with the agar ... | 2004 | 16701513 |
| in vitro activity of oritavancin (ly333328), vancomycin, clindamycin, and metronidazole against clostridium perfringens, propionibacterium acnes, and anaerobic gram-positive cocci. | using an agar dilution method, we determined the in vitro activity of oritavancin, vancomycin, clindamycin and metronidazole against 114 unique clinical isolates of gram-positive anaerobes. mic(90)s (microg/ml) for oritavancin were as follows: clostridium perfringens 1.0, propionibacterium acnes 0.25, peptostreptococcus anaerobius 0.25, peptoniphilus asaccharolyticus 0.5, finegoldia magna 0.25, micromonas. micros 0.25, and anaerococcus prevotii 0.25. on a weight basis, oritavancin is slightly mo ... | 2005 | 16701537 |
| genetic basis of resistance in propionibacterium acnes strains isolated from diverse types of infection in different european countries. | the purpose of the study was to characterize the resistance mechanism of 36 clindamycin (cl) and erythromycin (em) resistant propionibacterium acnes strains and 27 tetracycline (tet) resistant p. acnes isolates, collected from nine european countries, both from acne patients and from patients with different infections. pcr and sequencing of the genes encoding domain v of 23s rrna for cl and em resistant strains and 16s rrna for tet resistant strains were performed. pulsed-field gel electrophores ... | 2005 | 16701544 |
| endogenous endophthalmitis by propionibacterium acnes associated with leflunomide and adalimumab therapy. | to report a case of unusual endogenous endophthalmitis associated with the use of leflunomide and adalimumab. | 2006 | 16703558 |
| a multicenter efficacy and tolerability evaluation of benzoyl peroxide in a 10% urea vehicle for the treatment of acne vulgaris. | acne vulgaris is a common skin disease that affects 70 to 96% of individuals. topical benzoyl peroxide has been used successfully for acne treatment; however, it may be accompanied by drying and or flaking skin. the addition of a 10% urea to the product excipient is theorized to moisturize the skin due to its humectant properties, aid in the efficacy of benzoyl peroxide due to its keratolytic properties, and effectively combat propionibacterium acnes due to its antibacterial properties. | 2006 | 16703780 |
| a genetic insight into peptide and amino-acid utilization by propionibacterium freudenreichii lmg 16415. | in this note the genetic characterization of the peptide degrading system of propionibacterium freudenreichii was addressed. genomic fragments of p. freudenreichii subsp. freudenreichii lmg 16415 were cloned in escherichia coli xl1 blue, and those leading to an increase in peptidase-like activity using chromogenic substrates aminoacyl-beta-naphtylamides (aminoacyl-betana) were isolated and sequenced. this strategy allowed the identification of partial gene regions of p. freudenreichii lmg 16415 ... | 2006 | 16732457 |
| elimination and multiplication of bacteria during preparation and storage of buffy coat-derived platelet concentrates. | the prevalence of bacterial contamination of random-donor platelet concentrates (pcs) is considerably lower than that of blood donations. which key steps of the preparation procedure contribute to the elimination of bacteria was investigated. | 2006 | 16734811 |
| staphylococcus aureus adheres to human intestinal mucus but can be displaced by certain lactic acid bacteria. | there is increasing evidence that staphylococcus aureus may colonize the intestinal tract, especially among hospitalized patients. as staph. aureus has been found to be associated with certain gastrointestinal diseases, it has become important to study whether this bacterium can colonize the intestinal tract and if so, whether it is possible to prevent colonization. adhesion is the first step in colonization; this study shows that staph. aureus adheres to mucus from resected human intestinal tis ... | 2006 | 16735744 |
| studies on bacterial phosphatases: the phosphatases of clostridium acetobutylicum weizmann and propionibacterium jensenii van niel. | 1933 | 16745283 | |
| fluoride sensitivity of propionibacterium pentosaceum as a function of growth conditions. | 1939 | 16747004 | |
| the fixation of co(2) by cell suspensions of propionibacterium pentosaceum. | 1940 | 16747140 | |
| role of intravitreal triamcinolone acetonide in the treatment of postoperative endophthalmitis. | to report the use of commercially available triamcinolone acetonide as adjunct treatment for acute-onset endophthalmitis after intraocular procedures. | 2006 | 16770261 |
| [biotyping of propionibacterium acnes strains isolated from patients with acne vulgaris]. | propionibacterium acnes is the main bacterial etiologic agent in acne vulgaris pathogenesis. the rate of antibiotic resistant p. acnes isolates is less than 10% in our country. the aim of this study was to biotype p. acnes strains which were isolated from acne vulgaris patients and to investigate the biotype distribution in our region. p. acnes isolates from 64 patients (18 male, 46 female; mean age 19 +/- 3.1 years) were included in the study and biotyped by sugar-specific ph changes using sorb ... | 2006 | 16775952 |
| inhibitors of dipeptidyl peptidase iv and aminopeptidase n target major pathogenetic steps in acne initiation. | acne is a chronic disease hallmarked by sebaceous hyperplasia, follicular hyperkeratosis, and inflammation. parallel targeting of these factors is required to treat acne effectively. inhibitors of dipeptidyl peptidase iv (dp iv) and aminopeptidase n (apn) show strong anti-inflammatory effects on immune cells and therapeutic efficacy in autoimmune disorders. our investigation focused on the expression and functional relevance of these ectopeptidases in three cell types which exhibit an altered ph ... | 2007 | 16778789 |
| effect of bacteriocin produced by lactococcus sp. hy 449 on skin-inflammatory bacteria. | this study was carried out to evaluate the effect of bacteriocin produced by lactococcus sp. hy 449 against skin-inflammatory bacteria such as staphylococcus epidermidis atcc 12228, staphylococcus aureus atcc 65389, streptococcus pyogenes atcc 21059, and propionibacterium acnes atcc 6919. the spot-on-the-lawn method was used to determine the antimicrobial activity of bacteriocin against indicator strains on the human skin. the bacteriocin produced by lactococcus sp. hy 449 inhibited the growth o ... | 2006 | 16793484 |
| propionibacterium acnes and lipopolysaccharide induce the expression of antimicrobial peptides and proinflammatory cytokines/chemokines in human sebocytes. | acne is a common skin disorder of the pilosebaceous unit. in addition to genetic, hormonal and environmental factors, abnormal colonization by propionibacterium acnes has been implicated in the occurrence of acne via the induction of inflammatory mediators. to gain more insight into the role that sebocytes play in the innate immune response of the skin, particularly in acne, we compared the antimicrobial peptide and proinflammatory cytokine/chemokine expression at mrna and protein levels, as wel ... | 2006 | 16797202 |
| infections associated with orthopedic implants. | we review recent advances in the prevention, diagnosis and treatment of infections associated with joint prostheses and internal fixation devices. | 2006 | 16804382 |
| potentiation of the bactericidal activity of harungana madagascariensis lam. ex poir. (hypericaceae) leaf extract against oral bacteria using poly (d, l-lactide-co-glycolide) nanoparticles: in vitro study. | harungana madagascariensis lam. ex poir. (hypericaceae) is known to have biological properties with mainly antibacterial, antifungal, and antiviral effects. the objective of this study was to investigate the in vitro bactericidal activity of the ethyl acetate h. madagascariensis leaf extract (hle) on the main oral bacterial strains largely implicated in dental caries and gingivitis infections, and the possibility of potentialization of hle antibacterial effects using the poly (d,l-lactide-co-gly ... | 2006 | 16809192 |
| characterisation of prototype nurmi cultures using culture-based microbiological techniques and pcr-dgge. | undefined nurmi-type cultures (ntcs) have been used successfully to prevent salmonella colonisation in poultry for decades. such cultures are derived from the caecal contents of specific-pathogen-free birds and are administered via drinking water or spray application onto eggs in the hatchery. these cultures consist of many non-culturable and obligately anaerobic bacteria. due to their undefined nature it is difficult to obtain approval from regulatory agencies to use these preparations as direc ... | 2006 | 16814892 |
| bacteriocin t8, a novel class iia sec-dependent bacteriocin produced by enterococcus faecium t8, isolated from vaginal secretions of children infected with human immunodeficiency virus. | enterococcus faecium t8, isolated from vaginal secretions of children with human immunodeficiency virus, produces a class iia sec-dependent bacteriocin that is structurally different from three other class iia sec-dependent bacteriocins, i.e., enterocin p and an enterocin p-like bacteriocin, produced by enterococcus faecium, and bacteriocin 31, produced by enterococcus faecalis, and from a class iii bacteriocin produced by e. faecalis. the genes encoding the bacteriocin, immunity protein, mobili ... | 2006 | 16820469 |
| revision shoulder arthroplasty with positive intraoperative cultures: the value of preoperative studies and intraoperative histology. | currently, there are no reported results of patients without overt infection who had a positive intraoperative culture during revision shoulder arthroplasty. we therefore reviewed the intraoperative and preoperative investigations as well as the postoperative course of these patients who had positive intraoperative cultures. we reviewed the results of 75 shoulders without overt infection that underwent revision shoulder arthroplasty at our institution between january 1, 1974 and december 31, 200 ... | 2006 | 16831641 |
| influence of skin flora and preventive measures on surgical site infection during cardiac surgery. | the skin flora responsible for most surgical site infections (ssis) include staphylococcus aureus, coagulase-negative staphylococci, propionibacterium acnes, gram-negative bacilli, micrococci, and diphtheroids. the two major methods of reducing local concentrations of bacteria are administration of an antibiotic and cleansing of the skin. resistance to antibiotics is a major concern. mortality rates in patients infected by methicillin-resistant staphylococcus aureus or comparably virulent bacter ... | 2006 | 16834542 |
| a general method for selection of riboflavin-overproducing food grade micro-organisms. | this study describes a strategy to select and isolate spontaneous riboflavin-overproducing strains of lactobacillus (lb.) plantarum, leuconostoc (lc.) mesenteroides and propionibacterium (p.) freudenreichii. | 2006 | 16848883 |
| endocarditis caused by propionibacterium species: a report of three cases and a review of clinical features and diagnostic difficulties. | propionibacterium species are members of the normal flora of skin and the mouth but their pathogenic potential is often overlooked. three fatal cases of endocarditis caused by propionibacterium species over an 8-year period are reported, and a review is presented of a further 33 cases from the world literature. in most cases, infection was protracted, with minimal signs in the early stages. fourteen cases (42.4%) involved native valves, 16 (48.5%) involved prosthetic valves and three (9.1%) were ... | 2006 | 16849716 |
| development and application of multiplex polymerase chain reaction for the etiological diagnosis of infectious endophthalmitis. | uniplex polymerase chain reaction (pcr) for detection of bacterial and panfungal genome has been applied onto a large number of intraocular fluids facilitating management of infective endophthalmitis. | 2006 | 16855317 |
| genome sequence of propionibacterium acnes reveals immunogenic and surface-associated genes confirming existence of the acne biofilm. | 2006 | 16863535 |