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haemagglutinating activity of corynebacterium xerosis isolated from human periodontal lesions. 197944852
functional characterization of mouse lymphocyte subpopulations identified by their natural binding of bacteria. i. identification of the ig-secreting cell subpopulation.three mouse b cell subpopulations (b1, b2 and b3) can be identified by their natural binding of bacteria. to determine whether these subpopulations have unique functions, we assayed the number of anti-srbc-secreting cells and the number of ig-secreting cells in unseparated populations and in populations in which the b2 and b3 cells were removed by immobilized monolayers of escherichia coli-2, a bacteria that binds b2 and b3 cells. essentially all of the plaque forming cells present in the unsepa ...1979387875
fatty and mycolic acid composition of bacterionema matruchotii and related organisms.whole-organism methoanolysates of bacterionemae contained mycolic acids in addition to other long-chain fatty acids. these mycolic acids were similar in general structure and overall size to those found in strains of corynebacterium diphtheriae and corynebacterium xerosis. the long-chain fatty acids of bacterionemae, mainly straight-chain saturated and unsaturated acids, were similar to those of certain coryneform bacteria including c. diphtheriae. on the basis of these lipid data, and results o ...1977401865
enumeration and identification of human leukemic lymphocytes by their natural binding of bacteria.the recently described property of bacteria to bind to human lymphocytes was used to distinguish between normal and chronic leukemic lymphocyte (cll) populations. strains of the following bacteria were used in this study: arizona hinshawii, escherichia coli strains 1 and 2, bacillus globigii, brucella melitensis, corynebacterium diphtheriae strains 1 and 2, corynebacterium xerosis, sarcina lutea, staphylococcus aureus, and staphylococcus epidermidis. for identification of immunoglobulin-bearing ...1977404035
corynebacterium pseudogenitalium sp. nov. commensals of the human male and female urogenital tracts.antisera to corynebacterium genitalium types c-1 to c-6 were prepared in rabbits and the titers of complement fixing antibodies to the homologous strains, to the heterologous strains, to c. genitalium types i to v, and to the reference species corynebacterium xerosis and corynebacterium minutissimum ascertained. five types stimulated low levels of cross-reacting antibodies to all corynebacteria tested including type c-3. in contrast the antiserum to type c-3 had antibodies to only two heterologo ...1979429123
isolation of corynebacterium xerosis from clinical specimens: infection and colonization.eleven patients were colonized or infected with diphtheroids identified as corynebacterium xerosis. all the patients were compromised hosts by nature of their underlying disease and/or therapy. two patients developed bacteremia following colonization of the respiratory tract with c. xerosis. other patients were colonized at various sites, which included the respiratory tract, abdominal and thoracic wounds, amputated limb, and arterial-venous shunt. distinctive features for the identification of ...1977879104
effect of crude bacterial lipids on the course of listeria infection in mice.crude lipids from 37 strains belonging to 32 bacterial species were isolated. by injecting mice with lipids 5 d prior to challenge with a virulent strain of listeria monocytogenes, immunostimulatory activity in 19 preparations was found. in general, lipids of gram-negative bacteria appeared to be more effective. as to bacilli, an extraordinary activity was found in the lipids of bacillus firmus. lipids of various species of the genus listeria were found to be active in approximately one-half of ...19921296929
immunomodulating activities of corynebacterium xerosis cell-wall fractions.corynebacterium xerosis cell-wall fractions were studied by electron microscopy and analysed for immunomodulating activity. dramatic splenomegaly occurred following the injection of whole cells or a purified cell-wall fraction (pf), but not with a further purified peptidoglycan (pep) fraction. both pf and pep acted as b-cell mitogens and had adjuvant capabilities comparable to commercial adjuvants. only the pf fraction enhanced peritoneal natural killer cell (nk) activity, paralleling the spleno ...19921406338
[infection of a permanent vascular catheter by corynebacterium xerosis]. 19921498180
high-performance liquid chromatography of corynomycolic acids as a tool in identification of corynebacterium species and related organisms.a high-performance liquid chromatography (hplc) study of 307 strains of corynebacterium species and related taxa revealed that strains classified as "corynebacterium aquaticum"; "corynebacterium asperum"; and centers for disease control (cdc) groups 1, 2, a-3, a-4, a-5, b-1, b-3, e, f-2, and i-2 as well as some unidentified coryneforms do not contain any corynomycolic acids; therefore, they should not be included in the genus corynebacterium. such an hplc method of identification permitted the c ...19921624556
[purulent meningitis, caused by corynebacterium xerosis, after spinal anesthesia].a previously healthy 25 year old sportsman is reported who developed corynebacterium xerosis meningitis with coma and seizures after spinal anaesthesia. the adequate therapy (dexamethason, penicillin, ampicillin, mannitol, intensive care, hyperventillation) resulted in a complete recovery. to the authors' knowledge this is the first case of corynebacterium xerosis meningitis and the first bacterial meningitis reported after spinal anaesthesia in hungary.19911766661
septic arthritis caused by corynebacterium xerosis following vascular surgery.a case of septic arthritis due to corynebacterium xerosis occurred after vascular surgery and was successfully treated with intravenous cefotaxime followed by oral erythromycin. the only previously reported case of c. xerosis arthritis developed in a patient with a history of similar recent surgery. the possible association of this infection with such a postsurgical setting is discussed.19911925269
in-vitro and in-vivo studies of human axillary odour and the cutaneous microflora.the axillary microflora of 34 male subjects were studied in relation to their underarm odour intensity. the predominant groups of micro-organisms were aerobic coryneforms, micrococcaceae and propionibacteria. there was no competition for habitat between these groups (fisher's exact test p greater than 0.05). there was an association between the population density of aerobic coryneforms and the intensity of odour (spearman, p = 0.001). dominance of aerobic coryneforms within the axillary microflo ...19912064946
corynebacterium xerosis as a cause of community-acquired endocarditis. 19902338091
unusual pathogens in narcotic-associated endocarditis.we report the cases of three adults with a history of intravenous drug abuse who developed endocarditis caused by corynebacterium xerosis, neisseria subflava, and neisseria flavescens, respectively. no cases of endocarditis caused by c. xerosis or n. flavescens and only one case caused by n. subflava have previously been reported in association with narcotic addiction. the prominent clinical features in all patients included poor response to antibiotic therapy, persistent fever, and major emboli ...19902359905
corynebacterium xerosis as a cause of vertebral osteomyelitis.we report a patient who developed corynebacterium xerosis vertebral osteomyelitis 6 months following a decompressive laminectomy. prolonged parenteral and subsequent oral therapy for 11 months resulted in apparent cure. this is the first reported case of vertebral osteomyelitis caused by c. xerosis.19892592549
[endocarditis due to corynebacterium xerosis].corynebacterium sp. are found as normal flora in skin and mucosal sites. they have been isolated in empyemas, brain abscesses, blood cultures and ventricular shunts. about 9-10% of early-onset and 4-5% late-onset prosthetic valve endocarditis are due to different species of the so-called "diphteroids". a 30 year-old white female was admitted after 30 days with fever of undetermined origin. a mitral prosthesis had been fitted in 1977. on physical examination a protomesosystolic mitral murmur, pet ...19892630875
different species of corynebacteria in human investigations in cairo.in investigations undertaken in cairo of ocular smears the following corynebacteria were isolated: corynebacterium a4, corynebacterium a5, corynebacterium bovis, corynebacterium aquaticum, corynebacterium diphtheriae, corynebacterium equi, corynebacterium f2, corynebacterium kutscheri, corynebacterium minutissimi, corynebacterium renale, corynebacterium xerosis, corynebacterium group i, corynebacterium spec. (at present not classified). in this study the hitherto isolated species and possible hu ...19892689286
phylogenetic analysis of the coryneform bacteria by 5s rrna sequences.nucleotide sequences of 5s rrnas from 11 coryneform bacteria were determined. these were the type strains of corynebacterium glutamicum, corynebacterium xerosis, brevibacterium linens, arthrobacter globiformis, cellulomonas biazotea, aureobacterium testaceum, curtobacterium citreum, pimelobacter simplex, and caseobacter polymorphus and representative strains of "corynebacterium aquaticum" and corynebacterium xerosis. a phylogenetic tree constructed from the sequences of these bacteria and publis ...19873106318
complete nucleotide sequence of ptz12, a chloramphenicol-resistance plasmid of bacillus subtilis.the complete nucleotide sequence of ptz12, a chloramphenicol-resistance (cmr) plasmid (2517 bp) derived from corynebacterium xerosis plasmid ptz10, has been determined after propagation in bacillus subtilis. the nucleotide sequence of ptz12 suggests that a recombination event may have occurred naturally within the open reading frames for the rep protein of pt181 (or a pt181-like plasmid) and pc221 (or a pc221-like plasmid).19873110008
corynebacterium xerosis septicaemia in a haemodialysis patient. 19883132647
teat skin normal flora and colonization with mastitis pathogen inhibitors.isolates of bacteria from normal teats were used to attempt colonization of teats of dry cows or neonatal calves. isolates for inoculation were chosen on the basis of ability to inhibit mastitis pathogens in vitro, with the ultimate goal of in vivo inhibition of mastitis pathogens at the teat surface. three bacterial normal flora isolates (corynebacterium xerosis, bacillus sp. and aerococcus viridans) persisted less than 10 days on the teats of dry cows. the fourth isolate, staphylococcus homini ...19883188374
corynebacterium xerosis septic arthritis.a 62-year-old man developed acute septic arthritis due to corynebacterium xerosis. the patient was treated with ampicillin and rapidly recovered. to the authors' knowledge this is the only reported case of septic arthritis due to c. xerosis. clinical features of this case and the five previously reported cases of diphtheroid arthritis are discussed.19883354512
rapid and sensitive identification of mycobacterium tuberculosis.the fatty acid constituents of 14 species of mycobacterium (14 isolates) and one isolate each of corynebacterium xerosis, nocardia asteroides, and streptomyces albus were examined with the purpose of distinguishing mycobacterium tuberculosis from other acid-fast bacilli. combined thin-layer chromatography (tlc) of methyl mycolates and gas-liquid chromatography (glc) of shorter-chain fatty acid esters provided an unequivocal identification of m. tuberculosis in a matter of 2 to 3 days. the method ...19853932458
[digestive and cutaneous colonization of staphylococcus aureus, pseudomonas aeruginosa and corynebacterium xerosis in germ-free hairless mice].regardless of the method of germ-free hrs mouse contamination, the kinetics of staphylococcus aureus and pseudomonas aeruginosa cutaneous colonization was parallel to the kinetics of intestinal colonization; corynebacterium xerosis, however, was unable to colonize the skin or the gastrointestinal tract. there was little variability in intestinal and cutaneous colonization; this was quite different from observations in man and hairless holoxenic mice. it is possible to use these experimental mode ...19853936400
indirect fluorescent-antibody method for the identification of corynebacterium vaginale.the indirect fluorescent-antibody technique was employed in an attempt to develop a rapid method of identification of corynebacterium vaginale. six reference strains and ten clinical isolates selected on the basis of morphology and conventional biochemical tests were compared. antisera were prepared in rabbits against the six reference strains. the most satisfactory antiserum was that prepared using strain 14018 grown diphasically (14018 di) as the antigen. certain of the antisera did exhibit a ...19734197767
[purification and properties of a polyphosphate: glucose and glucosamine 6-phosphotransferase from corynebacterium xerosis]. 19684237771
phosphoinositides of corynebacterium xerosis. 19684299359
the bacterial induction of homograft sensitivity. ii. effects of sensitization with staphylococci and other microoorganisms.heat-killed strains of staphylococcus aureus and staphylococcus albus can induce in guinea pigs a state of altered reactivity to skin homografts which is indistinguishable from that which results from sensitization with homologous tissues or group a streptococci. challenge of suitably prepared recipients with first-set skin homografts obtained from unrelated randomly selected donors elicits white graft reactions or accelerated rejection of such grafts. other bacteria tested included lancefield s ...19654379017
free trehalose in corynebacterium xerosis. 19685726225
postoperative prosthetic valve bacterial endocarditis due to corynebacterium xerosis. 19676053801
survey, purification, and properties of sugar phosphate phosphohydrolase among microorganisms.sugar phosphate phosphohydrolase was purified approximately 500- to 600-fold to apparent homogeneity from escherichia coli b, escherichia coli c, escherichia coli var. communior, escherichia acidilactici, enterobacter aerogenes, neisseria meningitidis, and saccharomyces cereviseae. the molecular weights of the enzyme as estimated by gel filtration ranged from 97 x 10(3) to 101 x 10(3). the enzyme was composed of two subunits with the same molecular weight which ranged from 50 x 10(3) to 52 x 10( ...19836322944
right-sided endocarditis complicating peritoneovenous shunting for ascites.we describe two patients with alcoholic cirrhosis in whom staphylococcal right-sided endocarditis developed after insertion of a peritoneovenous shunt (pvs). massive pulmonary embolism caused early death in one patient. in the other patient, staphylococcal septicemia was cured after shunt removal and antibiotic treatment; recurrent endocarditis due to corynebacterium xerosis ultimately caused the patient's death. no clinical manifestation of tricuspid valve dysfunction was noted in either patien ...19836615106
corynebacterium xerosis endocarditis.bacterial endocarditis due to corynebacterium xerosis developed in a previously healthy person. diphtheroid infection is a rare cause of endocarditis and, when present, it usually affects immunocompromised hosts or prosthetic valves. there are few reports of diphtheroid endocarditis on intact valves, and, to our knowledge, this is the first case in which the offending organism was identified as c xerosis. we call attention to the virulence of c xerosis in a person with no previous valvular disea ...19836625787
infections caused by nondiphtheria corynebacteria.after decades of confusion about their microbiologic classification and clinical significance, the nondiphtheria corynebacteria have emerged as important pathogens. although isolation of these organisms may represent contamination with skin flora, several species, including corynebacterium ulcerans, corynebacterium pseudotuberculosis (corynebacterium ovis), corynebacterium haemolyticum, corynebacterium pseudodiptheriticum, corynebacterium equi, corynebacterium bovis, corynebacterium xerosis, and ...19826760340
profile analysis of total mycolic acids from skin corynebacteria and from named corynebacterium strains by gas-liquid chromatography and gas-liquid chromatography/mass spectrometry.gas-liquid chromatography (g.l.c.) was investigated as a potential tool in the classification and identification of cornyebacterium strains isolated from human skin, on the basis of the g.l.c. profile of the trimethylsilyl derivatives of their mycolic acid methyl esters. the g.l.c. patterns of five skin corynebacteria were compared with those of reference strains corynebacterium diphtheriae pw8 and corynebacterium xerosis nctc 9755 and nctc 7929. further compositional information was obtained by ...19806767807
r plasmids in corynebacterium xerosis strains.plasmids coding for resistance to chloramphenicol, erythromycin, kanamycin, streptomycin, and tetracycline have been found in strains of corynebacterium xerosis isolated from patients with otitis media.19836847177
[septicemia due to corynebacterium xerosis. a new opportunistic species?]. 19807393734
the erythromycin resistance gene of the corynebacterium xerosis r-plasmid ptp10 also carrying chloramphenicol, kanamycin, and tetracycline resistances is capable of transposition in corynebacterium glutamicum.the clinical isolate corynebacterium xerosis m82b carries the 50-kb r-plasmid ptp10 that confers resistance to the antibiotics chloramphenicol, kanamycin, erythromycin, and tetracycline. a detailed restriction map of ptp10 was constructed by cloning and analyzing restriction fragments of ptp10 in escherichia coli. the resistance determinants of ptp10 were located by studying the phenotype of the recombinant plasmids in e. coli and corynebacterium glutamicum. restriction patterns of fragments enc ...19957568464
use of vancomycin for the treatment of corynebacterium xerosis pneumonia. 19957578739
comparison of e-test with broth microdilution and disk diffusion for susceptibility testing of coryneform bacteria.the susceptibilities of 135 coryneform bacteria isolated from clinical samples to ampicillin (amp), cephalothin (cr), cefoxitin (fox), cefotaxime (ctx), erythromycin (e), ciprofloxacin (cip), tetracycline (te), amikacin (ak), vancomycin (va), and rifampin (r) were determined by disk diffusion, broth microdilution, and the e-test. the following species (number of isolates in parentheses) were included: corynebacterium urealyticum (30), corynebacterium minutissimum (20), coryneform cdc group anf-1 ...19957615748
corneal virulence, cytopathic effect on human keratocytes and genetic characterization of acanthamoeba.acanthamoeba keratitis is a sight-threatening complication of corneal trauma or contact lens wear. although the majority of corneal isolates of acanthamoeba belong to group ii in the pussard-pons classification based on cyst morphology, they have been placed in at least six species and their genetic relatedness is uncertain. the aim of this study was to determine the virulence of, and the relationship among, strains derived from the cornea, the nasal mucosa, and other environmental sources. to a ...19957622330
antimicrobial susceptibilities of corynebacterium species and other non-spore-forming gram-positive bacilli to 18 antimicrobial agents.the susceptibilities of 265 strains of corynebacterium species and other non-spore-forming gram-positive bacilli to 18 antimicrobial agents were tested. most strains were susceptible to vancomycin, doxycycline, and fusidic acid. corynebacterium jeikeium and corynebacterium urealyticum were the most resistant organisms tested. resistance to beta-lactams, clindamycin, erythromycin, azythromycin, ciprofloxacin and gentamicin was common among strains of corynebacterium xerosis and corynebacterium mi ...19957695308
pneumonia, pericarditis, and endocarditis in a child with corynebacterium xerosis septicemia. 19957727653
sternal wound infection due to corynebacterium xerosis. 19947888565
multiresistant corynebacterium xerosis as a cause of pneumonia in a patient with acute leukemia. 19948075298
cerebrospinal fluid shunt infection due to corynebacterium xerosis.we report the case of a neonate who developed ventriculitis following insertion of a ventriculoperitoneal shunt. corynebacterium xerosis was isolated from csf and from the tip of the catheter after it was removed. the isolate was resistant to multiple antibiotics, but the infant responded to treatment with vancomycin.19948089521
comparative in vitro activities of new quinolones against coryneform bacteria.the in vitro activities of eight quinolones against 115 coryneform bacteria (20 corynebacterium jeikeium, 15 corynebacterium minutissimum, 15 corynebacterium striatum, 25 corynebacterium urealyticum, 10 corynebacterium xerosis, 10 corynebacterium group anf-1, 10 corynebacterium group 12, and 10 listeria monocytogenes) were determined. the mics of ciprofloxacin, ofloxacin, and sparfloxacin for 90% of c. jeikeium, c. urealyticum, and c. xerosis isolates tested were > 16 micrograms/ml. those of bay ...19948092851
spontaneous bacterial peritonitis due to corynebacterium xerosis. 19938268372
nosocomial infection of a pancreatic pseudocyst due to corynebacterium xerosis. 19938286650
corynebacterium xerosis ventriculoperitoneal shunt infection in an infant: report of a case and review of the literature. 19938345988
evidence of multiple taxa within commercially available reference strains of corynebacterium xerosis.attempts to identify coryneform isolates resembling corynebacterium xerosis can lead clinical microbiologists to identification schemes with conflicting descriptions which result in confusing c. xerosis with corynebacterium striatum. for the present study we purchased all available american type culture collection and national collection of type cultures reference cultures of c. xerosis (n = 10) and c. striatum (n = 4) and analyzed them as follows: (i) analysis of biochemical reactions in conven ...19938349754
numerical analysis of fatty and mycolic acid profiles of corynebacterium urealyticum and other related corynebacteria.the fatty and mycolic acid profiles of 52 strains of clinical origin belonging to corynebacterium urealyticum were subjected to numerical analysis along with those of representative members of corynebacterium ammoniagenes, corynebacterium bovis, corynebacterium glutamicum, corynebacterium jèikeium, corynebacterium minutissimum, corynebacterium pseudodiphtheriticum, corynebacterium pseudotuberculosis, corynebacterium xerosis, corynebacterium renale, corynebacterium cystitidis, "corynebacterium ul ...19938397966
mediastinitis due to multiple resistant corynebacterium xerosis. 19938448299
the corynebacterium xerosis composite transposon tn5432 consists of two identical insertion sequences, designated is1249, flanking the erythromycin resistance gene ermcx.analysis of the 50-kb r-plasmid ptp10 from the clinical isolate corynebacterium xerosis m82b revealed that the erythromycin resistance gene, ermcx, is located on a 4524-bp composite transposable element, tn5432. the ends of tn5432 are identical, direct repeats of an insertion sequence, designated is1249, encoding a putative transposase of the is256 family. is1249 consists of 1385 bp with 45/42 imperfect terminal inverted repeats. the nucleotide sequence of the 1754-bp tn5432 central region is 99 ...19958559800
studies on microbial aerobic flora of skin in leprosy patients.this study reports the isolation and identification of aerobic organisms from biopsies/slit-skin smears/scrapings from 129 leprosy patients and 50 healthy controls. these include 56 paucibacillary (pb) and 73 multibacillary (mb) cases. thirty-six isolates from the specimens from 21 patients and 15 healthy controls were grown. the non-mycobacterial isolates from clinically pb leprosy (tt/bt/i) patients were: (1) gram-positive cocci: staphylococcus aureus(1), staphylococcus albus(1); (b) gram-posi ...19958576610
most corynebacterium xerosis strains identified in the routine clinical laboratory correspond to corynebacterium amycolatum.a comprehensive study was performed on 25 bacterial clinical isolates originally identified as corynebacterium xerosis. three reference strains of c. xerosis were also included in the study. on the basis of a variety of phenotypic characteristics tested, all strains could be divided into two separate clusters: reference strains atcc 373 (the type strain of c. xerosis) and atcc 7711 showed yellow-pigmented, dry, rough colonies, fermented 5-keto-gluconate, exhibited strong leucine arylamidase and ...19968727888
misidentification of toxigenic corynebacterium diphtheriae as a corynebacterium species with low virulence in a child with endocarditis.a 6-year-old boy presented to a university hospital in malaysia with infective endocarditis complicating cyanotic congenital heart disease. blood cultures showed a gram-positive, aerobic, coryneform-like bacillus identified by the hospital laboratory as corynebacterium xerosis, but a reference laboratory identified the organism as a toxigenic strain of corynebacterium diphtheriae. the two laboratories concurred on all biochemical test results except for sucrose fermentation.19968727917
[corynebacterium xerosis endocarditis associated with alcoholic cirrhosis]. 19968761156
species identities and antimicrobial susceptibilities of corynebacteria isolated from various clinical sources.over a 14-month period, 415 clinical isolates of coryneform gram-positive rods were recovered from various sources and identified to the species level according to recent identification schemes. corynebacterium urealyticum, corynebacterium striatum, corynebacterium amycolatum, and corynebacterium jeikeium predominated, accounting for 63% of all isolates. corynebacterium accolens, corynebacterium striatum, corynebacterium argentoratense, corynebacterium propinquum and corynebacterium pseudodiphth ...19968894575
[antiseptic properties of essential oil of lippia sidoides cham. application to the cutaneous microflora].two samples of essential oils of lippia sidoides cham. have been tested for their antibacterial and antifungal properties against some microorganisms living on the skin of feet and armpits. the essential oils and also their main components, thymol and carvacrol, show strong antagonistic activities. corynebacterium xerosis developing axillary odour is specially inhibited. but on the other hand no specific activities have been observed upon the feet microflora.19968953798
fatal sepsis caused by corynebacterium amycolatum in a premature infant.corynebacterium amycolatum has not been reported as a cause of human infections up to now, but usually the bacterium is misidentified in clinical specimens as corynebacterium xerosis. we report the first case of neonatal sepsis due to corynebacterium amycolatum with a fatal outcome in a premature infant.19979157120
prospective study of catalase-positive coryneform organisms in clinical specimens: identification, clinical relevance, and antibiotic susceptibility.during a 6-month period, all clinical isolates of catalase-positive coryneform organisms, which were isolated during the routine processing of clinical specimens, were characterized in the laboratory of the 1800-bed university hospital of leuven. the distribution of the species in the corynebacteria was: corynebacterium amycolatum 70 (53%), corynebacterium jeikeium 16 (12%), corynebacterium striatum 11 (8%), corynebacterium afermentans 10 (7%), corynebacterium minutissimum 9 (6%), cdc coryneform ...19989488824
[the development of bacterial growth stimulants from plants].dried bacterial growth stimulators in the form of water extracts of wild marjoram were developed; they produced a stimulating effect on escherichia coli and streptococcus pyogenes dick 1 and had no influence on the growth of corynebacterium xerosis 1911. the study aimed at finding out the active principle of the stimulator prepared from marjoram extract revealed that under experimental conditions marjoram extract could be divided into 3 fractions of these: fraction 1 contained terpenic hydrocarb ...19989532679
corynebacterium striatum chloramphenicol resistance transposon tn5564: genetic organization and transposition in corynebacterium glutamicum.the clinical isolate corynebacterium striatum m82b (formerly corynebacterium xerosis m82b) carries the 50-kb r-plasmid ptp10 conferring resistance to the antibiotics chloramphenicol, erythromycin, kanamycin, and tetracycline. dna sequence analysis of the chloramphenicol resistance region revealed the presence of the 4155-bp transposable element tn5564. the ends of tn5564 are identical 22-bp inverted repeats flanked by a 6-bp target site duplication. the central region of tn5564 encodes the chlor ...19989735314
identification and semiquantitative estimation of antibiotics added to complete feeds, premixes, and concentrates.classical microbiological methods for determining antimicrobial compounds in feeds are nonspecific. thus, there is a need to identify biological activity, and bioautography is used for this purpose. a routine method for detecting the following antimicrobial substances in feeds is described: avilamycin, avoparcin, zn-bacitracin, erythromycin, flavomycin, furazolidone, lasalocid, monensin, narasin, penicillin, salinomycin, spiramycin, tetracyclines, tylosin, and virginiamycin. carbadox can be dete ...199910028666
brain abscess due to corynebacterium xerosis. 199910090512
microbiological characterization and clinical significance of corynebacterium amycolatum strains.the laboratory records of patients with bacillus isolates identified as corynebacterium xerosis were reviewed in an attempt to establish the clinical significance of the isolates, and the isolated strains were reidentified. of the 22 strains available for reidentification, four were identified as corynebacterium striatum and 18 as corynebacterium amycolatum. forty-one patients were considered to have corynebacterium amycolatum isolates, and in 13 (31.7%) of these patients a genuine clinical infe ...199910482033
[corynebacterium amycolatum: sepsis in hematologic patients].to evaluate clinical and microbiological characteristics of sepsis due to corynebacterium amycolatum, because few cases have been reported in human infections by this bacteria.199910535186
corynebacterium xerosis sepsis in a pediatric patient with sickle cell disease (a case report). 200111307966
[sepsis caused by corynebacterium xerosis in neonatology: report of a clinical case].the pathogenicity of the nondiphtheria corynebacteria, most commonly known as coryneform bacteria in humans has been recognized in the last two decades. corynebacterium xerosis is part of the normal flora of the skin, nasopharynx, conjunctives and it has recently been isolated from vaginal swabs. during the last few years, there has been an increased number of case reports claiming an association of c. xerosis with diseases, like septicemia, endocarditis, pleuropneumonia, peritonitis, osteomyeli ...200011424846
corynebacterium freneyi sp. nov., alpha-glucosidase-positive strains related to corynebacterium xerosis.three coryneform strains from clinical specimens were studied. they belonged to the genus corynebacterium, since they had type iv cell walls containing corynemycolic acids. they had phenotypic characteristics that included alpha-glucosidase, pyrazinamidase and alkaline phosphatase activities and fermentation of glucose, ribose, maltose and sucrose. these are the characteristics of corynebacterium xerosis. since this species is very rare in human pathology, the strains were studied in more detail ...200111594602
[effect of medicinal plant extracts on the growth of microorganisms].extracts obtained from sweatweed and licorice roots, flax seeds, milfoil, bur-marigold, plantain, coltsfoot, nettle, indian corn stigmas, laminaria produced a stimulating effect on the growth of candida albicans test strain and streptococcus pyogenes test strain dick 1. sweatweed, licorice, aerva lanata and violet extracts influenced the growth of corynebacterium xerosis 1911, while sweatweed, violet, horse-tail, bur-marigold, camomile, plantain, and nettle extracts influenced the growth of shig ...200111871308
[microbiological validation of the choice of basic plastic for removable dentures].adhesion of obligate and facultative anaerobic bacteria, favoring the development of oral inflammatory diseases, including the cariesogenic and periodontogenic bacteria and candida albicans fungi, isolated from patients with periodontitis, to 13 basic materials used in removable denture making, was studied. the adhesion of all bacteria (streptococcus sanguis, prevotella melangogenica, fusobacterium nucleatum, corynebacterium xerosis) and fungi to hot polymerization basic materials was the maximu ...200212224327
infectious endocarditis due to corynebacterium xerosis.corynebacterium xerosis is a rare cause of endocarditis, mainly affecting immunocompromised patients and those with predisposing cardiovascular lesions. while often considered a blood culture contaminant, serious infections by this organism have been reported. c. xerosis endocarditis is associated with poor outcomes that could be potentially improved by early recognition and treatment.200312684166
corynebacterium sphenisci sp. nov., isolated from wild penguins.six unidentified gram-positive, rod-shaped organisms recovered from the cloacae of apparently healthy wild penguins were characterized by phenotypic and molecular taxonomic methods. chemotaxonomic investigations revealed the presence of a cell wall based on meso-diaminopimelic acid and long-chain cellular fatty acids of the straight-chain saturated and monounsaturated types, consistent with the genus corynebacterium. corynomycolic acids, which are characteristic of the genus, were also detected, ...200312892119
the international standard for bacitracin.in 1952, the department of biological standards, national institute for medical research, london, was authorized by the who expert committee on biological standardization to proceed with the establishment of an international standard for bacitracin. thirty grams of bacitracin were obtained and it was decided to compare the proposed international standard with the existing working standard for bacitracin of the united states food and drug administration.six laboratories in five countries particip ...195313141138
purification and properties of a polymetaphosphatase from corynebacterium xerosis. 195913664895
[demonstration of a polyphosphate-glucose-phosphotransferase in corynebacterium xerosis]. 196213886550
[on the metabolism of inorganic polyphosphates in corynebacterium xerosis]. 196414262547
studies on biosynthesis of polymetaphosphate by an enzyme from corynebacterium xerosis. 196114476999
role of contact lens wear, bacterial flora, and mannose-induced pathogenic protease in the pathogenesis of amoebic keratitis.the ocular surface is continuously exposed to potential pathogens, including free-living amoebae. acanthamoeba species are among the most ubiquitous amoebae, yet acanthamoeba keratitis is remarkably rare. the pathogenesis of acanthamoeba keratitis is a complex, sequential process. here we show that acanthamoeba keratitis is profoundly affected by mannosylated proteins on the ocular surface, which stimulate the amoebae to elaborate a 133-kda pathogenic protease. the mannose-induced protease (mip1 ...200515664950
modes of phagocytosis of gram-positive and gram-negative bacteria by spodoptera littoralis granular haemocytes.haemocytes are the main immunocompetent cells in insect cellular immune reactions. here, we show that in spodoptera littoralis, granular haemocytes are the primary phagocyte haemocytes, both in vivo and in vitro. the "trigger" and "zipper" modes of engulfment known in mammal macrophages are active, in vivo, in s. littoralis granular haemocytes, together with macropinocytosis. lipopolysaccharide as well as lipoteichoic acid inhibit the binding of both gram-positive (corynebacterium xerosis) and g ...200515686644
a study on inhibitory effects of siğla tree (liquidambar orientalis mill. var. orientalis) storax against several bacteria.in this study, siğla (liquidambar orientalis mill.) storax (styrax) was investigated for antibacterial activity against aeromonas hydrophila, bacillus amyloliquefaciens, b. brevis, b. cereus, b. megaterium, b. subtilis, corynebacterium xerosis, enterobacter aerogenes, enterococcus faecalis, escherichia coli, e. coli o157:h7, klebsiella pneumoniae, listeria monocytogenes, micrococcus luteus, mycobacterium smegmatis, proteus vulgaris, pseudomonas aeruginosa, p. fluorescens, staphylococcus aureus a ...200516114094
purification of bovine milk lactoperoxidase and investigation of antibacterial properties at different thiocyanate mediated.bovine lactoperoxidase (lpo) was purified with amberlite cg 50 h+ resin, cm sephadex c-50 ion-exchange chromatography, and sephadex g-100 gel filtration chromatography from skim milk. the activity of lactoperoxidase was measured by using 2.2-azino-bis (3-ethylbenzthiazoline-6 sulfonic acid) diammonium salt (abts) as a choromogenic substrate at ph 6.0. purification degree for the purified enzyme was controlled with sds-page and rz value (a412/a280). rz value for the purified lpo was 0.8. km value ...200516212035
corneal infiltrates after excimer laser photorefractive keratectomy and lasik.to determine the frequency and clinical characteristics of corneal infiltrates after photorefractive keratectomy (prk) and laser in situ keratomileusis (lasik) and to evaluate the efficacy of treatment.200616523835
bacillus (corynebacterium) xerosis and the ocular surface. 200616669521
isolation of corynebacterium xerosis from animal clinical specimens.this article describes the first identification of corynebacterium xerosis from animal clinical specimens, which was confirmed by microbiological and molecular genetic (16s rrna gene sequencing) methods.200616757629
antimicrobial activity of catechol and pyrogallol as allelochemicals.catechol and pyrogallol are allelochemicals which belong to phenolic compounds synthesized in plants. their antimicrobial activities were investigated on three bacteria (pseudomonas putida, pseudomonas pyocyanea, corynebacterium xerosis) and two fungi (fusarium oxysporum, penicillium italicum) phytopathogenic species as test organisms using the disc diffusion method. both catechol and pyrogallol were found to have antibacterial effects on all the bacteria used in the study at 5 and 10 mm concent ...200617137106
identification of the emerging skin pathogen corynebacterium amycolatum using pcr-amplification of the essential diviva gene as a target.the actinomycete corynebacterium amycolatum is a saprophytic bacterium usually associated with the human skin, but it is at present considered an emergent pathogen as it is isolated from nosocomial settings from samples of immunosuppressed patients. the conventional method to distinguish c. amycolatum from closely related species is mainly based on phenotypic or chemotaxonomic studies. we developed a molecular method to identify rapidly c. amycolatum based on the use of different primers for amp ...200617147766
identification of the precursor of (s)-3-methyl-3-sulfanylhexan-1-ol, the sulfury malodour of human axilla sweat.a careful study of human axillary microflora led us to the identification of a new strain of staphylococcus haemolyticus. the role in axillary malodour formation of this microorganism was compared to those of corynebacterium xerosis and staphylococcus epidermidis, upon incubation on sterile human eccrine and apocrine axilla sweat. st. haemolyticus was responsible for the strongest sulfury malodour and the generation of the volatile sulfur compound (vsc) (s)-3-methyl-3-sulfanylhexan-1-ol (3). in ...200517192014
superficial corneal foreign body: laboratory and epidemiologic aspects.to determine by bacterioscopy and culture the microorganisms carried by corneal foreign body and their sensitivity to antibiotics by antibiotic sensitivity test.200517344985
new bioactive natural products from coprinus micaceus.chemical studies on the crude methanolic extract of coprinus micaceus, collected from the canadian prairie region, have resulted in the isolation of two new natural products, micaceol (1), a sterol and (z,z)-4-oxo-2,5-hetpadienedioic acid (2). compound 2 was isolated for the first time as a natural product. structures of these new compounds were established with the aid of extensive nmr spectroscopic studies. compound 1 has shown anti-bacterial activity against corynebacterium xerosis and staphy ...200617393652
corynebacterium hansenii sp. nov., an alpha-glucosidase-negative bacterium related to corynebacterium xerosis.a novel strain, c-138(t), belonging to the genus corynebacterium was isolated from a severe thigh liposarcoma infection and its differentiation from corynebacterium xerosis and corynebacterium freneyi is described. analysis of 16s rrna gene sequences, rpob sequences and the pcr profile of the 16s-23s spacer regions was not conclusive enough to differentiate strain c-138(t) from c. xerosis and c. freneyi. however, according to dna-dna hybridization data, strain c-138(t) constitutes a member of a ...200717473268
implantable cardioverter-defibrillator infection due to corynebacterium xerosis. 200817662494
microbial population present in fermented beverage 'cauim' produced by brazilian amerindians.the tapirapé amerindians of the tapi'itãwa tribe produce several fermented foods and beverages among them the beverage called 'cauim'. this beverage is the main staple food for infants until two years old and their parents. for producing the beverage, several substrates are used, such as: cassava, rice, corn, maize and peanuts. the fermentation using mainly cassava was accomplished and samples were collected for chemical and microbiological analysis. a progressive acidification during the fermen ...200717888538
the suppressive effect of apricot kernel extract on 5alpha-androst-16-en-3-one generated by microbial metabolism.body odours are generated from dead skin cells and secreted materials, such as sweat and sebum, through the metabolism of microorganisms living on the skin. volatile steroids, key compounds in body odours, are also generated through the metabolism of microorganisms. these volatile steroids strengthen the intensity of the overall body malodour and are sensed differently by males and females. females are more sensitive than males to volatile steroids, especially 5alpha-androst-16-en-3-one (androst ...200618492200
corynebacterium sputi sp. nov., isolated from the sputum of a patient with pneumonia.a coryneform bacterium isolated from the sputum of a patient with pneumonia was characterized by phenotypic and molecular taxonomic methods. chemotaxonomic investigations revealed the presence of cell-wall chemotype iv and short chain mycolic acids consistent with the genus corynebacterium. comparative 16s rrna gene sequencing studies confirmed this assignment, with the organism forming a hitherto unknown subline within the genus associated with a subcluster containing corynebacterium hansenii, ...200819060075
antimicrobial activity of six pomegranate (punica granatum l.) varieties and their relation to some of their pomological and phytonutrient characteristics.arils from six pomegranate (punica granatum l.) varieties grown in the mediterranean region of turkey were tested for their antimicrobial properties by the agar diffusion and minimum inhibitory concentration (mic) methods against seven bacteria: (bacillus megaterium dsm 32, pseudomonas aeruginosa dsm 9027, staphylococcus aureus cowan 1, corynebacterium xerosis uc 9165, escherichia coli dm, enterococcus faecalis a10, micrococcus luteus la 2971), and threefungi (kluvyeromyces marxianus a230, rhodo ...200919471201
metabolism of azo dyes by human skin microbiota.reduction of methyl red (mr) and orange ii (or ii) by 26 human skin bacterial species was monitored by a rapid spectrophotometric assay. the analysis indicated that skin bacteria, representing the genera staphylococcus, corynebacterium, micrococcus, dermacoccus and kocuria, were able to reduce mr by 74-100 % in 24 h, with only three species unable to reduce completely the dye in that time. among the species tested, only corynebacterium xerosis was unable to reduce or ii to any degree by 24 h, an ...201019729456
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