gram positive bacilli corynebacteria and relatedspecies
Báo cáo khoa học: Comparison of human RNase 3 and RNase 7 bactericidal action at the Gram-negative and Gram-positive bacterial cell wall pot
... displays remarkable affinity for peptidoglycan (PGN) and LPS at the Gram- positive and Gram- negative outer surface, the very high LPS binding and cell agglutination activities represent a distinctive ... We have compared the RNase and RNase antimicrobial activities with respect to E coli and Staphylococcus aureus cells, which are representative Gram- negative and Gram- positive strains Both proteins ... RNase and RNase bactericidal activity M Torrent et al including skin, gut and the respiratory and genitourinary tracts, and its expression can be induced by inflammatory agents and bacterial...
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Báo cáo y học: "Direct selection and phage display of a Gram-positive secretom" ppsx
... achievable by standard techniques Furthermore, Gram- positive Firmicutes (Clostridiales, Bacilliales and Lactobacilliales) and Actinobacteria (Actinomycetales and Bifidobacteriales) are dominant groups ... reported [70] it is not efficient for enrichment and display of Gram- positive secretome proteins That system uses gIII -positive helper phage and the Volume 8, Issue 12, Article R266 Jankovic ... secretome of Gram- positive bacteria, by using a system consisting of a phage display phagemid vector that does not contain a signal sequence and a gIII-deleted helper phage Gram- positive secretome...
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Báo cáo khoa học: Gram-positive bacterial superantigen outside-in signaling causes toxic shock syndrome ppt
... site Low-affinity (a-chain) site Low- and higher-affinity (a- and b-chain) sites Low- and higher-affinity (a- and b-chain) sites Low- and higher-affinity (a- and b-chain) sites Unique amino acid ... different staphylococcal and streptococcal SAgs (Fig 3) Highly conserved residues can be seen as larger letters Residues and (typically both lysines) and 11 and 12 (typically leucine and aspartic acid, ... Brosnahan and P M Schlievert and myositis; this form of the illness appears to be newly emergent [37,38] Staphylococcal TSS is managed clinically with use of antibiotics and fluid, electrolytes and...
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Báo cáo khoa học: "Reduced n-gram models for English and Chinese corpora" ppt
... by Ha et al (2002) WSJ reduced bigram, trigram, 4 -gram and and the most common WSJ reduced unigrams, 5 -gram curves become almost parallel and bigrams and trigrams are shown in Table It straight, ... ranks (Ha and Smith, 2004.) 1 -gram 2 -gram 3 -gram 4 -gram log frequency 5 -gram 1 -gram 2 -gram log frequency slope -1 0 log rank 5 -gram North American News Text corpus The NANT reduced n-grams are ... Source n -gram n-grams distance 1M LOB 987k 474 Trigram√ 603.2 Bigram√ 544.1 Trigram√ 534.1 √ √ 2M Switch 743k 81.5 Trigram√ board 379k 78.1 Trigram√ Corpus 363k 78.0 Trigram√ √ 338k 77.7 Trigram√...
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Báo cáo khoa học: UMP kinase from the Gram-positive bacterium Bacillus subtilis is strongly dependent on GTP for optimal activity potx
... Enterococcus faecalis and Clostridium acetobutylicum UMP kinase and may be a ÔsignatureÕ for Gram- positive organisms (Fig 1) This amino acid is substituted in the UMP kinase from Gram- negative bacteria ... in UMP kinases from Gram- negative organisms, Trp is located in the middle of the sequence (Trp119 in E coli) As the environment of Trp in UMP kinases from Gram- positive and Gram- negative organisms ... specificity, stability and the capability of organisms to adapt to environmental conditions In this respect, UMP kinases from E coli (a Gram- negative bacterium) and B subtilis (a Gram- positive bacterium)...
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báo cáo hóa học:" Knowledge of HIV transmission and condom use among HIV-positive heterosexual men and women in Guatemala" docx
... statistical analysis and wrote the first draft of the manuscript IC and CM participated in the design and coordination of the study and critically reviewed the manuscript All authors read and approved ... transmission and condom use has been done on HIV -positive heterosexual men and women Methods A closed-ended structured interview that addressed knowledge of mechanisms of HIV transmission and condom ... Knowledge of HIV transmission and condom use among HIVpositive heterosexual men and women in Guatemala Juan J Delgado Hurtado1§, Marcela Pineda1, Iris...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 6) doc
... pharynx and skin C xerosis is found on the skin, nasopharynx, and conjunctiva; C auris in the external auditory canal; and C striatum in the anterior nares and on the skin C jeikeium and C urealyticum ... gram- positive coccobacilli, which slightly resemble streptococci, grow as small, gray to white, glistening, nonhemolytic colonies on blood agar C jeikeium lacks urease and nitrate reductase and ... organism causes a diphtheria like illness and produces both diphtheria toxin and a dermonecrotic toxin C ulcerans is a commensal in horses and cattle and has been isolated from cow's milk The...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 7) pdf
... belongs to CDC Group ANF-1 and has been isolated from human blood and abscess infections C accolens has been isolated from wound drainage, throat swabs, and sputum and is typically identified ... access) Rhodococcus Rhodococcus species are phylogenetically related to the corynebacteria These gram- positive coccobacilli have been associated with tuberculosis-like infections in humans with ... flora and does not produce diphtheria toxin C propinquum, a close relative of C pseudodiphtheriticum, is part of CDC Group ANF-3 and is isolated from human respiratory tract specimens and blood...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 1) pptx
... China, and Ecuador Etiology C diphtheriae is a gram- positive, unencapsulated, nonmotile, nonsporulating bacillus C diphtheriae organisms have a characteristic clubshaped bacillary appearance and ... frequent vaccine shortages, delays in implementation of vaccination and of treatment in response to cases, and lack of public education and awareness were contributing factors in that outbreak Cutaneous ... level In addition to older age and lack of vaccination, risk factors for diphtheria outbreaks include alcoholism, low socioeconomic status, crowded living conditions, and Native American ethnic background...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 3) ppsx
... of the submandibular and paratracheal region and is further characterized by foul breath, thick speech, and stridorous breathing The diphtheritic pseudomembrane is gray or whitish and sharply ... larynx, nares, and trachea or bronchial passages Large pseudomembranes are associated with severe disease and a poor prognosis A few patients develop massive swelling of the tonsils and present ... headache, and voice change are the initial manifestations Neck edema and difficulty breathing are seen in more advanced cases and carry a poor prognosis The systemic...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 4) ppsx
... investigational new drug protocol and may be obtained by calling the Bacterial Vaccine Preventable Disease Branch of the National Immunization Program at 404-639-8257 between 8:00 A.M and 4:30 P.M U.S Eastern ... resolution of fever and a lower rate of bacterial resistance than erythromycin; however, relapses were more common with penicillin Erythromycin therapy targets protein synthesis and thus offers the ... effective in reducing the extent of local disease as well as the risk of complications of myocarditis and neuropathy Rapid institution of antitoxin therapy is also associated with a significant reduction...
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Chapter 131. Diphtheria and Other Infections Caused by Corynebacteria and Related Species (Part 5) docx
... diphtheria and tetanus toxoids and acellular pertussis vaccine, adsorbed) is the currently recommended vaccine for children up to the age of 7; DTaP replaced DTP (diphtheria and tetanus toxoids and ... diphtheriae in the community should be treated and vaccinated when identified Nondiphtherial Corynebacteria and Related Species Nondiphtherial corynebacteria, which are also referred to as diphtheroids ... toxoid, reduced diphtheria toxoid, and acellular pertussis vaccine formulated for adolescents and adults Tdap was licensed for use in the United States in 2005 and is the recommended booster vaccine...
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Báo cáo y học: "CD14 mediates the innate immune responses to arthritopathogenic peptidoglycan–polysaccharide complexes of Gram-positive bacterial cell walls" docx
... neutrophils and macrophages and is T-cell independent The chronic stage of arthritis is T-cell dependent and thus has features of the adaptive immune response [7,29] Systemic administration of Gram- positive ... Sanjo H, Takada H, Ogawa T, Takeda K, Akira S: Differential roles of TLR2 and TLR4 in recognition of gram- negative and gram- positive bacterial cell wall components Immunity 1999, 11:443-451 Pugin ... unless otherwise noted, were from Sigma (St Louis, MO, USA) and the culture medium was from GIBCO (Grand Island, NY, USA) Animals and arthritis model Female CD14 knockout mice [19] were backcrossed...
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Báo cáo y học: "Treatment of gram-positive deep sternal wound infections in cardiac surgery -experiences with" ppt
... showed DSWI with gram- positive organisms and were classified according to the criteria proposed by El Oakley and Wright Furthermore, mediastinal cultures, previous antibiotic therapy, and modalities ... postoperative care and wound management MF, DR and KOC revised manuscript TT did data interpretation, AB and JH supervised intraoperative and postoperative anesthesia care and revised manuscript ... (SGOT, SGPT, and GGT) levels, thrombocytes, serum creatinine, serum total bilirubin, CPK, CK-MB, and LDH levels remained constant before the first daptomycin application and discharge and did not...
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Báo cáo khoa học: "Intravenous colistin in the treatment of sepsis from multiresistant Gram-negative bacilli in critically ill patient" ppsx
... intravenous colistin in the treatment of Gram- negative sepsis Patients and method We studied critically ill patients with sepsis caused by Gramnegative bacilli resistant to all antibiotics with ... (>38.3°C), leukocytosis or leukopenia, and purulent bronchial secretions; and a new and persistent infiltrate on chest radiography On isolation of strains of P aeruginosa and A baumannii that were resistant ... of colistin may be suboptimal in Gram- negative pneumonia On the other hand, GarnachoMontero and coworkers [12] reported that colistin was not inferior to the standard treatment for VAP caused...
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Báo cáo y học: "Biphasic positive airway pressure and airway pressure release ventilation Christian Putensen1 and Hermann Wrigge2 for Anesthesiology and Intensive Care Medicine, Department of Anaesthesiology and Intensive Care" docx
... Oxygen supply and demand balance The concomitant increase in cardiac index and arterial oxygen tension during APRV/BiPAP improved the relationship between tissue oxygen supply and demand because ... ventilation (CMV), intermittent mandatory ventilation (IMV) and biphasic intermittent positive airway pressure (BIPAP) on duration of intubation and consumption of analgesics and sedatives A prospective ... heart [25] In normovolaemic and hypovolaemic patients, this produces reduction in right and left ventricular filling and results in decreased stroke volume, cardiac output and oxygen delivery (DO2)...
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Báo cáo y học: " Gram-negative bacteremia induces greater magnitude of inflammatory response than Gram-positive bacteremia" pps
... patients’ group, one or more Gram- positive species detected; GN patients’ group, one or more Gram- negative species detected; and GP/GN patients’ group, both Gram- positive and Gram- negative species detected ... (17.5) ns 28.0 40.0 33.3 ns Mortality, (%) GP, Gram- positive; GN, Gram- negative; GP/GN, Gram- positive and Gram- negative; APACHE-II, Acute Physiology and Chronic Health Evaluation-II; SOFA, Sequential ... with Gram- negative and Gram- positive bacteria have been investigated [25] However, the effects of differences in the molecular mechanisms of response to invasion of Gram- negative and Gram- positive...
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Báo cáo y học: " Gram-negative versus Gram-positive bacteremia: what is more alarmin" pot
... will make sepsis less alarmin(g) and its clinical course and outcome more predictable [11-14] Abbreviations CRP, C-reactive protein; GN, Gram- negative; GP, Gram- positive; IL, interleukin; TNF, ... H: Gram- negative bacteremia induces greater magnitude of inflammatory response than Gram- positive bacteremia Crit Care 2010, 14:R27 Munford RS: Severe sepsis and septic shock: the role of gram- negative ... DAMPs, PAMPs and alarmins: all we need to know about danger J Leukoc Biol 2007, 81:1-5 doi:10.1186/cc9013 Cite this article as: Alexandraki I, Palacio C: Gram- negative versus Grampositive bacteremia:...
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Báo cáo y học: "Evolution of the core and pan-genome of Streptococcus: positive selection, recombination, and genome composition" pdf
... gain, loss and duplication, and positive selection Gene gain, loss and duplication, and positive selection Core-genome phylogenies of Streptococcus (left), S agalactiae (middle), and S pyogenes ... Article R71 Lefébure and Stanhope R71.11 comment Figure selection occurrence per genes and lineages Positive Positive selection occurrence per genes and lineages A black dot indicates positive selection ... estimate rates of gene gain and loss (for example, [16,29]) Total number of genes showing evidence of positive selection and recombination PS PS and R PS and SPI PS and IR Between species 175...
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Summary MULTIDRUG RESISTANT GRAM NEGATIVE ORGANISMS EPIDEMIOLOGY AND OUTCOMES IN THE ICU
... Gram- negative bacilli infection Multidrug-resistant Gram- negative bacilli bacteremia e Prevention and Control of spread/incidence of multidrug-resistant Gram- negative bacilli Study Overview and ... in Gram Negative Bacilli 91 Chapter 4: 4(1): Patient Characteristics 4(2) :Gram- negative positive isolates 4(3):Prevalence of multidrug-resistant Gram- negative bacilli 4(4): Nosocomial MDR-GNB and ... Multidrug-Resistant Gram Negative Bacilli Intrinsic factors Extrinsic factors 22 22 23 23 24 c Clinical Impact c1a.Multidrug-Resistant Gram- negative Bacilli Multidrug-resistant Gram- negative bacilli infection...
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