Contribution of a novel gene, rpeA, encoding a putative autotransporter adhesin to intestinal colonization by rabbit-specific enteropathogenic Escherichia coli.

abstract：:The lungs of conventional rats with chronic pneumonia contained Streptobacillus moniliformis and Mycoplasma pulmonis. These organisms singly and in combination failed to produce lung disease when inoculated into specific pathogen-free rats. On the other hand, diseased lung homogenate not containing cultivable organism...

journal_title：Infection and immunity

authors： Gay FW,Maguire ME,Baskerville A

更新日期：1972-07-01 00:00:00

abstract：:An antigen recognized by monoclonal antibody specific for Bacteroides gingivalis was purified in the presence of 0.5% (wt/vol) beta-octyl-glucoside by immunoadsorbent column chromatography. The purified antigen was homogeneous as judged by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and silver...

journal_title：Infection and immunity

authors： Miyoshi T,Hanazawa S,Hirose K,Saitoh K,Amano S,Ohmori Y,Kitano S

更新日期：1986-08-01 00:00:00

abstract：:In this study, the role of the hepatobiliary system in the early pathogenesis of Salmonella enteritidis infection was investigated in a rat model. Intravenous (i.v.) challenge with lipopolysaccharide (LPS) has previously been shown to enhance the translocation of normal gut flora. We first confirmed that LPS can simil...

journal_title：Infection and immunity

authors： Islam AF,Moss ND,Dai Y,Smith MS,Collins AM,Jackson GD

更新日期：2000-01-01 00:00:00

abstract：:The extracellular cysteine protease from Streptococcus pyogenes is a virulence factor that plays a significant role in host-pathogen interaction. Streptococcal protease is expressed as an inactive 40-kDa precursor that is autocatalytically converted into a 28-kDa mature (active) enzyme. Replacement of the single cyste...

journal_title：Infection and immunity

authors： Matsuka YV,Pillai S,Gubba S,Musser JM,Olmsted SB

更新日期：1999-09-01 00:00:00

abstract：:To serially examine the immunopathogenesis and histopathology of infection with Chlamydia pneumoniae, we inoculated two cynomolgus monkeys in the conjunctival sac, nose, and nasopharynx with C. pneumoniae TWAR. After inoculation, C. pneumoniae was isolated from the inoculation sites and the rectums of both monkeys for...

journal_title：Infection and immunity

authors： Holland SM,Taylor HR,Gaydos CA,Kappus EW,Quinn TC

更新日期：1990-03-01 00:00:00

abstract：:Antibodies induced in sera and saliva of rats and rabbits immunized with ribosomal preparations from Streptococcus mutans 6715 inhibited transport of glucose by the phosphotransferase system by greater than 60%, acid production from sucrose by greater than 95%, and growth of the homologous S. mutans by greater than 59...

journal_title：Infection and immunity

authors： Gregory RL,Michalek SM,Shechmeister IL,McGhee JR

更新日期：1984-07-01 00:00:00

abstract：:Although the suckling mouse assay is widely used for the detection of heat-stable Escherichia coli enterotoxin (ST), few data have been published concerning the reproducibility, optimal growth, and test conditions of this assay. Four strains of toxigenic E. coli known to elaborate both heat-labile enterotoxin and ST o...

journal_title：Infection and immunity

authors： Giannella RA

更新日期：1976-07-01 00:00:00

abstract：:Colonization of the mucosa of the stomach and the duodenum by Helicobacter pylori is the major cause of acute and chronic gastroduodenal pathologies in humans. Duodenal ulcer formation strongly correlates with the expression of an antigen (CagA) that is usually coeexpressed with the vacuolating cytotoxin (VacA), a pro...

journal_title：Infection and immunity

authors： Xiang Z,Censini S,Bayeli PF,Telford JL,Figura N,Rappuoli R,Covacci A

更新日期：1995-01-01 00:00:00

abstract：:The appearance of lymphotoxin in the culture fluid of phytohemagglutinin (PHA)-stimulated mouse spleen cells required two cell fractions that were separated by adherence to plastic. Upon stimulation with PHA, neither cell fraction alone produced significant amounts of lymphotoxin; however, when the cell fractions were...

journal_title：Infection and immunity

authors： Aksamit RR,Leonard EJ

更新日期：1982-06-01 00:00:00

abstract：:The effects of pathologically relevant concentrations (0.38 to 12.5 microM) of the proinflammatory, Pseudomonas aeruginosa-derived pigment 1-hydroxyphenazine (1-hp) on Ca2+ metabolism and intracellular cyclic AMP (cAMP) in N-formyl-L-methionyl-L-leucyl-L-phenylalanine (FMLP; 1 microM)-activated human neutrophils, as w...

journal_title：Infection and immunity

authors： Ramafi G,Anderson R,Theron A,Feldman C,Taylor GW,Wilson R,Cole PJ

更新日期：1999-10-01 00:00:00

abstract：:Galectin-3 (Gal-3) is a multifunctional beta-galactoside-binding lectin that senses self-derived and microbial glycoconjugates. Although Gal-3 is important in immune reactions and host defense in some experimental models, the function of Gal-3 during helminthic diseases (e.g., schistosomiasis) is still elusive. We sho...

journal_title：Infection and immunity

authors： Breuilh L,Vanhoutte F,Fontaine J,van Stijn CM,Tillie-Leblond I,Capron M,Faveeuw C,Jouault T,van Die I,Gosset P,Trottein F

更新日期：2007-11-01 00:00:00

abstract：:An antiserum, C16, was raised in cattle against freeze-thawed extracts of sporozoites of Theileria parva (Muguga). This antiserum, which neutralizes sporozoite infectivity in vitro, identified theileria-specific antigens having approximate molecular masses of 105, 90, 85, 69, 67, 52, 47, and 43 kilodaltons (kDa) on We...

journal_title：Infection and immunity

authors： Iams KP,Hall R,Webster P,Musoke AJ

更新日期：1990-06-01 00:00:00

abstract：:Sublethal infection of mice with recombinant Listeria monocytogenes expressing a model epitope in either secreted or nonsecreted form results in similar CD8(+) T-cell priming. Since nonsecreted bacterial proteins have no obvious access to the endogenous major histocompatibility complex (MHC) class I presentation pathw...

journal_title：Infection and immunity

authors： Tvinnereim AR,Harty JT

更新日期：2000-04-01 00:00:00

abstract：:Nitric oxide (NO) produced by inducible NO synthase (iNOS) mediates hypotension in endotoxemia. In this study, NO induction by a toxin-producing Streptococcus pyogenes isolate, H250, and by recombinant streptococcal pyrogenic exotoxin A (rSPEA) has been examined, both in vitro and in vivo. Streptococcal supernatants, ...

journal_title：Infection and immunity

authors： Sriskandan S,Moyes D,Buttery LK,Wilkinson J,Evans TJ,Polak J,Cohen J

更新日期：1997-05-01 00:00:00

abstract：:Purified group A streptococcal peptidoglycan-polysaccharide (PG-PS) fragments were either de-O-acylated, or acetylated and then de-O-acylated to yield N-acetylated PG-PS. Native PG-PS was poorly degraded, N-acetylated PG-PS was extensively degraded, and de-O-acylated PG-PS was only slightly degraded by hen egg white l...

journal_title：Infection and immunity

authors： Stimpson SA,Lerch RA,Cleland DR,Yarnall DP,Clark RL,Cromartie WJ,Schwab JH

更新日期：1987-01-01 00:00:00

abstract：:Type 14 is one of the common types isolated from patients of all ages with infections caused by Streptococcus pneumoniae. Its capsular polysaccharide (Pn14) is composed of a neutrally charged tetrasaccharide repeat unit. Pn14 does not elicit protective levels of antibodies in infants and children and is a less than op...

journal_title：Infection and immunity

authors： Schneerson R,Levi L,Robbins JB,Bryla DM,Schiffman G,Lagergard T

更新日期：1992-09-01 00:00:00

abstract：:Cryptococcus neoformans is surrounded by a capsular polysaccharide. There are at least four known serotypes of the polysaccharide. The objective of this study was to produce monoclonal antibodies (MAbs) that could be used to study the distribution of epitopes among the serotypes of C. neoformans. BALB/c mice were immu...

journal_title：Infection and immunity

authors： Eckert TF,Kozel TR

更新日期：1987-08-01 00:00:00

abstract：:Previous research in this laboratory, using photoactivatable radioiodinated lipopolysaccharide derivatized with sulfosuccinimidyl-2-(p-azidosalicylamide)-1,3'-dithiopropionate (125I-ASD-LPS), has resulted in the identification of a specific LPS receptor with a molecular mass of approximately 73 kDa on murine lymphocyt...

journal_title：Infection and immunity

authors： Halling JL,Hamill DR,Lei MG,Morrison DC

更新日期：1992-03-01 00:00:00

abstract：:To develop targeted gene integration in the periodontal pathogen Actinobacillus actinomycetemcomitans, a ColE1-based, spectinomycin-resistant plasmid containing a segment of the leukotoxin gene was electroporated into strain JP2. In all of the stable spectinomycin-resistant transformants that arose, the plasmid had re...

journal_title：Infection and immunity

authors： Kolodrubetz D,Phillips LH,Ezzo PJ,Kraig E

更新日期：1995-07-01 00:00:00

abstract：:Infection with highly pathogenic Streptococcus suis can cause septic shock, which is characterized by high levels of inflammatory cytokines and a high mortality rate. Our previous study indicated that TREM-1 (triggering receptor expressed on myeloid cells 1) was upregulated in swine spleen cells in response to S. suis...

journal_title：Infection and immunity

authors： Yang C,Chen B,Zhao J,Lin L,Han L,Pan S,Fu L,Jin M,Chen H,Zhang A

更新日期：2015-08-01 00:00:00

abstract：:Live attenuated bacteria hold great promise as multivalent mucosal vaccines against a variety of pathogens. A major challenge of this approach has been the successful delivery of sufficient amounts of vaccine antigens to adequately prime the immune system without overattenuating the live vaccine. Here we used a live a...

journal_title：Infection and immunity

authors： Galen JE,Wang JY,Carrasco JA,Lloyd SA,Mellado-Sanchez G,Diaz-McNair J,Franco O,Buskirk AD,Nataro JP,Pasetti MF

更新日期：2015-01-01 00:00:00

abstract：:The vast majority of cases of gram-negative meningitis in neonates are caused by K1-encapsulated Escherichia coli. The role of the K1 capsule in the pathogenesis of E. coli meningitis was examined with an in vivo model of experimental hematogenous E. coli K1 meningitis and an in vitro model of the blood-brain barrier....

journal_title：Infection and immunity

authors： Hoffman JA,Wass C,Stins MF,Kim KS

更新日期：1999-07-01 00:00:00

abstract：:This study focuses on the interaction of the three components of the Bacillus cereus Nhe enterotoxin with particular emphasis on the functional roles of NheB and NheC. The results demonstrated that both NheB and NheC were able to bind to Vero cells directly while NheA lacked this ability. It was also shown that Nhe-in...

journal_title：Infection and immunity

authors： Lindbäck T,Hardy SP,Dietrich R,Sødring M,Didier A,Moravek M,Fagerlund A,Bock S,Nielsen C,Casteel M,Granum PE,Märtlbauer E

更新日期：2010-09-01 00:00:00

abstract：:Chitinases of pathogens have been proposed as potential targets of vaccines or specific inhibitors. We studied the genomic organization, transcript levels, developmental expression, and biological function of chitinases in the rodent filarial nematode Acanthocheilonema viteae, a model organism for human-pathogenic fil...

journal_title：Infection and immunity

authors： Tachu B,Pillai S,Lucius R,Pogonka T

更新日期：2008-01-01 00:00:00

abstract：:The 54-kDa extracellular metalloprotease ZapA is an important virulence factor of uropathogenic Proteus mirabilis. While ZapA has the ability to degrade host immunoglobulins (Igs), the dramatic attenuation of virulence in ZapA mutants suggests that this enzyme may have a broader spectrum of activity. This hypothesis w...

journal_title：Infection and immunity

authors： Belas R,Manos J,Suvanasuthi R

更新日期：2004-09-01 00:00:00

abstract：:Lipopolysaccharide (LPS) binding protein (LBP) is an acute-phase protein that enhances the responsiveness of immune cells to LPS by virtue of its capacity to transfer LPS to CD14. To determine the role of LBP in the innate immune response to peritonitis, LBP gene-deficient (LBP(-/-)) and normal wild-type mice were int...

journal_title：Infection and immunity

authors： Knapp S,de Vos AF,Florquin S,Golenbock DT,van der Poll T

更新日期：2003-12-01 00:00:00

abstract：:Peru-15 is a live attenuated oral vaccine derived from a Vibrio cholerae O1 El Tor Inaba strain by a series of deletions and modifications, including deletion of the entire CT genetic element. Peru-15 is also a stable, motility-defective strain and is unable to recombine with homologous DNA. We wished to determine whe...

journal_title：Infection and immunity

authors： Cohen MB,Giannella RA,Bean J,Taylor DN,Parker S,Hoeper A,Wowk S,Hawkins J,Kochi SK,Schiff G,Killeen KP

更新日期：2002-04-01 00:00:00

abstract：:T cells bearing the gammadelta antigen receptor (gammadelta T cells) can constitute up to 50% of T cells in the peripheral blood and lymphoid organs of young cattle. We present data showing that gammadelta T cells are involved in immune responses against Theileria parva. gammadelta T cells isolated from peripheral blo...

journal_title：Infection and immunity

authors： Daubenberger CA,Taracha EL,Gaidulis L,Davis WC,McKeever DJ

更新日期：1999-05-01 00:00:00

abstract：:The adherence of several strains of Escherichia coli to human buccal epithelial cells was studied, using cells obtained from five groups: healthy adults, healthy children, children with acute diarrhea, children with persistent diarrhea associated with cryptosporidial parasites, and children with noncryptosporidial per...

journal_title：Infection and immunity

authors： Walser BL,Newman RD,Lima AA,Guerrant RL

更新日期：1992-11-01 00:00:00

abstract：:The tetraspanins are a superfamily of transmembrane proteins with diverse functions and can form extended microdomains within the plasma membrane in conjunction with partner proteins, which probably includes receptors for bacterial adhesins. Neisseria meningitidis, the causative agent of meningococcal disease, attache...

journal_title：Infection and immunity

authors： Green LR,Monk PN,Partridge LJ,Morris P,Gorringe AR,Read RC

更新日期：2011-06-01 00:00:00