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susceptibility of staphylococcus species and subspecies to teicoplanin.twenty-four staphylococcus species and their subspecies were examined for their susceptibilities to teicoplanin by disk diffusion (30-micrograms disk) and agar dilution for the determination of mics. moderately susceptible and resistant clinical strains were further tested for their susceptibilities to oxacillin and vancomycin. teicoplanin resistance was not observed in the reference strains of the various staphylococcus species isolated from healthy volunteers or animals. however, the novobioci ...19911835340
a convenient method for differentiation of coagulase-negative staphylococci isolated from bovine mammary glands.the utility of trehalose-mannitol broth and arabinose-cellobiose broth for identification of staphylococcus epidermidis and novobiocin-resistant staphylococci was determined using 236 coagulase-negative staphylococci isolated from bovine mammary glands. none of the 49 s. epidermidis strains was positive in trehalose-mannitol broth; whereas, all strains of staphylococcus hyicus, staphylococcus chromogenes, staphylococcus haemolyticus, staphylococcus hominis, staphylococcus warneri, and staphyloco ...19912045549
sepsis due to linezolid resistant staphylococcus cohnii and staphylococcus kloosii: first reports of linezolid resistance in coagulase negative staphylococci from india.linezolid, a viable alternative to vancomycin against methicillin resistant staphylococcal isolates, has been in use for a decade around the globe. however, resistance against staphylococci remains extremely rare and unreported from most of the asian countries. herein, we report two cases of linezolid resistant, coagulase negative staphylococcal sepsis for the first time from india. the first case was an 18-year-old burn patient, who, after a major graft surgery, landed in sepsis, and linezolid ...201121304198
screening agars for mrsa: evaluation of a stepwise diagnostic approach with two different selective agars for the screening for methicillin-resistant staphylococcus aureus (mrsa).colonization with methicillin-resistant staphylococcus aureus (mrsa) poses a hygiene risk that does not spare field hospitals or military medical field camps during military deployments. diagnostic options for unambiguously identifying mrsa isolates are usually scarce in military environments. in this study, we assessed the stepwise application of two different selective agars for the specific identification of mrsa in screening analyses.201526199735
bacterial contaminants from frozen puff pastry production process and their growth inhibition by antimicrobial substances from lactic acid bacteria.seventy-five bacterial contaminants which still persisted to cleaning system from three puff pastry production lines (dough forming, layer and filling forming, and shock freezing) were identified using 16s rdna as seven genera of bacillus, corynebacterium, dermacoccus, enterobacter, klebsiella, pseudomonas, and staphylococcus with detection frequencies of 24.00, 2.66, 1.33, 37.33, 1.33, 2.66, and 30.66, respectively. seventeen species were discovered while only 11 species bacillus cereus, b. sub ...201728572930
analysis of bacterial diversity during the fermentation of inyu, a high-temperature fermented soy sauce, using nested pcr-denaturing gradient gel electrophoresis and the plate count method.the diversity of bacteria associated with the fermentation of inyu, also known as black soy sauce, was studied through the nested pcr-denaturing gradient gel electrophoresis (dgge) of samples collected from the fermentation stages of the inyu production process. the dgge profiles targeted the bacterial 16s rdna and revealed the presence of citrobacter farmeri, enterobacter cloacae, enterobacter hormaechei, enterococcus faecium, klebsiella pneumoniae, pantoea agglomerans, salmonella enterica, ser ...201323200659
monitoring of the microbial communities involved in the soy sauce manufacturing process by pcr-denaturing gradient gel electrophoresis.soy sauce is a traditional seasoning produced through the fermentation of soybeans and wheat using microbes. in this study, the microbial communities involved in the soy sauce manufacturing process were analyzed by pcr-denaturing gradient gel electrophoresis (pcr-dgge). the bacterial dgge profile indicated that the bacterial microbes in the koji were weissella cibaria (weissella confusa, weissella kimchii, weissella salipiscis, lactobacillus fermentum, lactobacillus plantarum, lactobacillus iner ...201222475947
genetic diversity and antibiotic resistance among coagulase-negative staphylococci recovered from birds of prey in portugal.wild animal populations in contact with antimicrobials and antimicrobial resistant bacteria that are daily released into the environment are able to become unintentional hosts of these resistant microorganisms. to clarify this issue, our study evaluated the presence of antibiotic resistance determinants on coagulase-negative staphylococci recovered from birds of prey and studied their genetic relatedness by pulsed-field gel electrophoresis (pfge). the unusual vga(a) and erm(t) genes, which confe ...201626990729
virulence and toxigenicity of coagulase-negative staphylococci in nigerian traditional fermented foods.the incidence of coagulase-negative staphylococci (cons) may render food unsafe, as the clinical isolates have been reported to exude virulent traits. a total of 255 cons isolates from 6 traditional fermented foods (nono, kunu, wara, iru, ogi, and kindirmo) from north central nigeria, identified as staphylococcus epidermidis, staphylococcus simulans, staphylococcus xylosus, staphylococcus kloosii, and staphylococcus caprae, were investigated for virulence traits. the strains were examined for bi ...201627192326
occurrence of cfr-mediated multiresistance in staphylococci from veal calves and pigs, from humans at the corresponding farms, and from veterinarians and their family members.this study reports on the emergence of linezolid-resistant coagulase-negative staphylococci (cons) containing the multiresistance gene cfr in veal calves and pigs, as well as in humans exposed to these animals. cons (staphylococcus auricularis, staphylococcus cohnii, staphylococcus lentus, staphylococcus kloosii, staphylococcus sciuri, staphylococcus simulans), but not staphylococcus aureus, carrying the gene cfr were detected in samples of 12 out of 52 calves at three farms which had a history ...201727102205
staphylococcus cohnii septicaemia in a patient with colon cancer.a coagulase-negative staphylococcal strain was isolated from peripheral blood and central venous catheter blood of a febrile patient with cancer. this isolate, initially classified by a commercial test as staphylococcus kloosii, was definitively assigned to staphylococcus cohnii by physiological and molecular tests. the strain lacked virulence factors, such as biofilm production and haemagglutination, and was sensitive to the antibiotics tested. the data suggest that rare micro-organisms with lo ...200312488572
isolation of a pigment-producing strain of staphylococcus kloosii from the respiratory tree of holothuria (mertensiothuria) leucospilota () from malaysian waters.staphylococcus kloosii, an orange pigment-producing bacterium, was isolated from the respiratory tree of holothuria (mertensiothuria) leucospilota (brandt 1835) from teluk nipah, pangkor island, perak, malaysia. this report is the first documentation of this gram-positive strain, referred to as strain 68 in malaysia. a partial 16s ribosomal rna gene sequence of the mesophilic strain has been registered with genbank (national center for biotechnology information, us national library of medicine) ...201324575244
detection and identification of histamine-producing bacteria associated with harvesting and processing mahimahi and yellowfin tuna.histamine poisoning is one of the most common chemically induced seafoodborne illnesses reported in the united states today. the causative agents are biogenic amines, commonly produced by gram-negative bacteria. the purpose of this study was to detect and identify histamine-producing bacteria associated with standard industry practices during the harvesting, receiving, and processing of mahimahi and yellowfin tuna in north carolina. twenty-nine composite samples were obtained from 18 mahimahi an ...200521132978
production of folate by bacteria isolated from oat bran.twenty bacteria isolated from three commercial oat bran products were tested for their folate production capability. the bacteria as well as some reference organisms were grown until early stationary phase on a rich medium (ypd), and the amount of total folate in the separated cell mass and the culture medium (supernatant) was determined by microbiological assay. folate vitamer distribution was determined for eight bacteria including one isolated from rye flakes. for seven bacteria the effect of ...201020708290
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