Characterization of novel staphylococcal enterotoxin-like toxin type P.

abstract：:The lymphogranuloma venereum (LGV) and trachoma biovars of Chlamydia trachomatis exhibit differences in biological properties both in vivo and in vitro. To identify analogous biochemical differences, we studied the molecular charges of chlamydial outer membrane proteins (OMPs) by means of isoelectric focusing and none...

journal_title：Infection and immunity

authors： Batteiger BE,Newhall WJ 5th,Jones RB

更新日期：1985-11-01 00:00:00

abstract：:We identified a gene (atlA) encoding autolytic activity from Streptococcus mutans Xc. The AtlA protein predicted to be encoded by atlA is composed of 979 amino acids with a molecular weight of 107,279 and has a conserved beta-1,4-N-acetylmuramidase (lysozyme) domain in the C-terminal portion. Sodium dodecyl sulfate ex...

journal_title：Infection and immunity

authors： Shibata Y,Kawada M,Nakano Y,Toyoshima K,Yamashita Y

更新日期：2005-06-01 00:00:00

abstract：:We have developed sensitive and specific solid-phase radioimmunoassays to quantitate the distribution and persistence of bacterial antigen in rats developing arthritis in response to a single injection of streptococcal cell wall material. Three separate assays were specific for either the A polysaccharide (N-acetyl-D-...

journal_title：Infection and immunity

authors： Eisenberg R,Fox A,Greenblatt JJ,Anderle SK,Cromartie WJ,Schwab JH

更新日期：1982-10-01 00:00:00

abstract：:Serial passage of Cryptococcus neoformans in mice increases virulence relative to the nonpassaged line. Postpassaged lines showed no difference in the expression of most known virulence factors, with the exception that the more virulent lines had smaller capsules in vitro. These data imply that other mechanisms of vir...

journal_title：Infection and immunity

authors： McClelland EE,Perrine WT,Potts WK,Casadevall A

更新日期：2005-10-01 00:00:00

abstract：:A Mycobacterium tuberculosis strain disrupted in the AraC homologue Rv1931c was isolated. The mutant strain exhibited reduced survival both in macrophages and in a mouse infection model, with survival being restored on complementation with the Rv1931c gene. These results suggest that Rv1931c regulates genes important ...

journal_title：Infection and immunity

authors： Frota CC,Papavinasasundaram KG,Davis EO,Colston MJ

更新日期：2004-09-01 00:00:00

abstract：:Chronic lung infection by Pseudomonas aeruginosa causes significant morbidity in cystic fibrosis patients initiated by the failure of innate immune responses. We used microarray analysis and real-time PCR to detect transcriptional changes associated with cytokine production in isogenic bronchial epithelial cell lines ...

journal_title：Infection and immunity

authors： Reiniger N,Ichikawa JK,Pier GB

更新日期：2005-10-01 00:00:00

abstract：:Protein-malnourished rats had greater numbers of bacteria in their livers and spleens compared with numbers in control rats following a sublethal intraperitoneal dose of Salmonella typhimurium. However, the febrile responses of both groups of rats to infection were similar. The ability to mount a normal febrile respon...

journal_title：Infection and immunity

authors： Bradley SF,Kauffman CA

更新日期：1988-04-01 00:00:00

abstract：:Understanding the regulation of human immune responses is critical for vaccine development and treating infectious diseases. We have previously shown that simultaneous engagement of the T cell receptor (TCR) and complement regulator CD46 on human CD4(+) T cells in the presence of interleukin-2 (IL-2) induces potent se...

journal_title：Infection and immunity

authors： Truscott SM,Abate G,Price JD,Kemper C,Atkinson JP,Hoft DF

更新日期：2010-12-01 00:00:00

abstract：:Merozoite surface protein 2 (MSP2) is an abundant glycosylphosphatidylinositol (GPI)-anchored protein of Plasmodium falciparum, which is a potential component of a malaria vaccine. As all forms of MSP2 can be categorized into two allelic families, a vaccine containing two representative forms of MSP2 may overcome the ...

journal_title：Infection and immunity

authors： Adda CG,MacRaild CA,Reiling L,Wycherley K,Boyle MJ,Kienzle V,Masendycz P,Foley M,Beeson JG,Norton RS,Anders RF

更新日期：2012-12-01 00:00:00

abstract：:Previous examination of thin sections of L929 cells heavily infected with the Q fever Priscilla isolate by conventional transmission electron microscopy indicated that the rickettsiae resided within multiple vacuoles. The present study using high-voltage electron microscopy and three-dimensional reconstruction reveale...

journal_title：Infection and immunity

authors： Hechemy KE,McKee M,Marko M,Samsonoff WA,Roman M,Baca O

更新日期：1993-10-01 00:00:00

abstract：:Murine embryo fibroblasts (MEF) were found to secrete tumor necrosis factor (TNF) in response to stimulation with endotoxin. Endotoxin-induced TNF production by MEF was inhibited by cycloheximide. However, reversal of the effect of this inhibitor on protein synthesis results in TNF being secreted in amounts equivalent...

journal_title：Infection and immunity

authors： Havell EA,Rogerson BJ

更新日期：1993-05-01 00:00:00

abstract：:The complement system plays a key role in resistance to cryptococcosis. In the present study, we examined several factors that influence the binding of C3 cleavage fragments to Cryptococcus neoformans. Binding of C3 was determined by using normal human serum supplemented with 125I-labeled C3. Incubation of encapsulate...

journal_title：Infection and immunity

authors： Kozel TR,Pfrommer GS

更新日期：1986-04-01 00:00:00

abstract：:We measured the microbicidal peptides MCP-1 and MCP-2 in rabbit alveolar macrophages (AM), comparing rabbits pretreated with complete Freund adjuvant with untreated control animals. Levels of MCP-1 increased from 4.7 +/- 0.6 microgram/10(7) resident AM to 13.2 +/- 0.1 microgram/10(7) complete Freund adjuvant-elicited ...

journal_title：Infection and immunity

authors： Lehrer RI,Szklarek D,Selsted ME,Fleischmann J

更新日期：1981-09-01 00:00:00

abstract：:Glucose metabolism and respiration of Candida albicans were compared under conditions which permitted either maximal filamentous or maximal yeast growth. Changes in metabolism were monitored by comparing the quantities of ethanol produced, CO2 evolved, and oxygen consumed. Filamenting cultures produced more ethanol an...

journal_title：Infection and immunity

authors： Land GA,McDonald WC,Stjernholm RL,Friedman L

更新日期：1975-07-01 00:00:00

abstract：:Vibrio cholerae O1 has two biotypes, El Tor and Classical, and the latter is now presumed to be extinct in nature. Under carbohydrate-rich growth conditions, El Tor biotype strains produce the neutral fermentation end product 2,3-butanediol (2,3-BD), which prevents accumulation of organic acids from mixed acid ferment...

journal_title：Infection and immunity

authors： Bari W,Song YJ,Yoon SS

更新日期：2011-08-01 00:00:00

abstract：:In this work we immunized mice with DNA encoding full-length Tc52 or its amino- or carboxy-terminal (N- and C-term, respectively) domain carried by attenuated Salmonella as a DNA delivery system. As expected, Salmonella-mediated DNA delivery resulted in low antibody titers and a predominantly Th1 response, as shown by...

journal_title：Infection and immunity

authors： Matos MN,Cazorla SI,Bivona AE,Morales C,Guzmán CA,Malchiodi EL

更新日期：2014-10-01 00:00:00

abstract：:We report here on the isolation of isogenic strains of Aeromonas hydrophila AB3 deleted for a segment of the aerolysin gene. All aer mutants obtained lacked the 49-kilodalton aerolysin gene product and were neither hemolytic for blood erythrocytes nor cytotoxic for Chinese hamster ovary tissue culture cells. One such ...

journal_title：Infection and immunity

authors： Chakraborty T,Huhle B,Hof H,Bergbauer H,Goebel W

更新日期：1987-09-01 00:00:00

abstract：:We explored the role of urokinase and tissue-type plasminogen activators (uPA and tPA), as well as the uPA receptor (uPAR; CD87) in mouse severe malaria (SM), using genetically deficient (-/-) mice. The mortality resulting from Plasmodium berghei ANKA infection was delayed in uPA(-/-) and uPAR(-/-) mice but was simila...

journal_title：Infection and immunity

authors： Piguet PF,Da Laperrousaz C,Vesin C,Tacchini-Cottier F,Senaldi G,Grau GE

更新日期：2000-07-01 00:00:00

abstract：:In vivo administration of Porphyromonas gingivalis lipopolysaccharide (Pg-LPS) to mice induced apoptosis before a specific immune response. Apoptosis was associated with the expression of immunoglobulin and Ia on B cells and of CD5 and several markers on T cells. Apoptosis peaked in the spleen and lymph nodes on day 2...

journal_title：Infection and immunity

authors： Isogai E,Isogal H,Kimura K,Fujii N,Takagi S,Hirose K,Hayashi M

更新日期：1996-04-01 00:00:00

abstract：:The disruption of a specific gene in Candida albicans is commonly used to determine the function of the gene product. We disrupted AAF1, a gene of C. albicans that causes Saccharomyces cerevisiae to flocculate and adhere to endothelial cells. We then characterized multiple heterozygous and homozygous mutants. These nu...

journal_title：Infection and immunity

authors： Rieg G,Fu Y,Ibrahim AS,Zhou X,Filler SG,Edwards JE Jr

更新日期：1999-07-01 00:00:00

abstract：:To test the importance of lipopolysaccharide (LPS) and adhesin as major antigens in vaccination against rabbit enteropathogenic Escherichia coli (EPEC)-like E. coli O103 infection, we used two nonpathogenic wild-type strains to immunize rabbits at weaning. One of these strains (C127) harbors the O103 LPS but does not ...

journal_title：Infection and immunity

authors： Milon A,Esslinger J,Camguilhem R

更新日期：1992-07-01 00:00:00

abstract：:Ehrlichia chaffeensis is a recently isolated minute gram-negative obligatory intracellular bacterium of monocytes/macrophages and is the etiologic agent of human monocytic ehrlichiosis. It is not known how macrophages respond when they encounter ehrlichiae in terms of cytokine production. In this study, we examined cy...

journal_title：Infection and immunity

authors： Lee EH,Rikihisa Y

更新日期：1996-10-01 00:00:00

abstract：:Twitching motility is a form of surface-associated bacterial movement mediated by type IV pili of Pseudomonas aeruginosa. Others have shown that pilT and pilU mutants, which are piliated but defective in twitching motility, display reduced cytotoxic capacity towards epithelial cells in vitro. Although these mutants ef...

journal_title：Infection and immunity

authors： Zolfaghar I,Evans DJ,Fleiszig SM

更新日期：2003-09-01 00:00:00

abstract：:Detoxified mutants of the Escherichia coli heat-labile toxin (LT) act as mucosal adjuvants to intranasally presented coadministered antigens. Here, we compare the adjuvant activity of a panel of detoxified derivatives of LT, using both intranasal (i.n.) and oral (p.o.) routes of administration. The mutants used as adj...

journal_title：Infection and immunity

authors： Douce G,Giannelli V,Pizza M,Lewis D,Everest P,Rappuoli R,Dougan G

更新日期：1999-09-01 00:00:00

abstract：:Brucella abortus is a class III zoonotic bacterial pathogen able to survive and replicate inside host cells, including macrophages. Here we report a multidimensional transposon sequencing analysis to identify genes essential for Brucella abortus growth in rich medium and replication in RAW 264.7 macrophages. The const...

journal_title：Infection and immunity

authors： Sternon JF,Godessart P,Gonçalves de Freitas R,Van der Henst M,Poncin K,Francis N,Willemart K,Christen M,Christen B,Letesson JJ,De Bolle X

更新日期：2018-07-23 00:00:00

abstract：:Infections caused by organisms of the Mycobacterium avium complex occur in approximately 50 to 60% of patients with AIDS. M. avium is an intracellular pathogen that survives and multiplies within mononuclear phagocytes. In this study, we investigated the uptake of M. avium grown within macrophages (intracellular growt...

journal_title：Infection and immunity

authors： Bermudez LE,Parker A,Goodman JR

更新日期：1997-05-01 00:00:00

abstract：:Bordetella bronchiseptica is a Gram-negative bacterium that infects and causes disease in a wide variety of animals. B. bronchiseptica also infects humans, thereby demonstrating zoonotic transmission. An extensive characterization of human B. bronchiseptica isolates is needed to better understand the distinct genetic ...

journal_title：Infection and immunity

authors： Sukumar N,Nicholson TL,Conover MS,Ganguly T,Deora R

更新日期：2014-04-01 00:00:00

abstract：:Treatment of mouse embryo fibroblasts (MEF) grown in vitro with purified staphylococcal exfoliative toxin (ET) increased the concanavalin A (Con A) agglutinability of MEF 3.5-fold over control cells. Possible explanations for this phenomenon were investigated. ET lacked proteolytic activity on denatured casein. Con A,...

journal_title：Infection and immunity

authors： Rogolsky M,Wiley BB,Keyhani M,Glasgow LA

更新日期：1974-12-01 00:00:00

abstract：:Mice immunized subcutaneously with heat-killed Escherichia coli were protected from pyelonephritis produced by the intravenous route, but there was little or no protection from ascending infection. No significant protection from ascending or hematogenous pyelonephritis was demonstrated when immunization was accomplish...

journal_title：Infection and immunity

authors： Montgomerie JZ,Kalmanson GM,Hubert EG,Guze LB

更新日期：1972-09-01 00:00:00

abstract：:Synthetic oligosaccharides derived from the capsular polysaccharide (PRP) of Haemophilus influenzae type b were conjugated to carrier proteins via a thioether linkage. Conjugates were made of trimeric and tetrameric ribose-ribitol-phosphate and tetanus toxoid or diphtheria toxin. All conjugates elicited anti-PRP antib...

journal_title：Infection and immunity

authors： Peeters CC,Evenberg D,Hoogerhout P,Käyhty H,Saarinen L,van Boeckel CA,van der Marel GA,van Boom JH,Poolman JT

更新日期：1992-05-01 00:00:00