Chlamydial development is adversely affected by minor changes in amino acid supply, blood plasma amino acid levels, and glucose deprivation.

abstract：:We investigated a possible cause-and-effect relationship between sensitization against Actinomyces viscosus Nyl and destructive periodontal disease in RIC-Sprague-Dawley rats. Germfree rats (66) were either immunized with A. viscosus Nyl (day 20) or orally infected with A. viscosus Nyl (days 38 and 39) or both. We mea...

journal_title：Infection and immunity

authors： Burckhardt JJ,Gaegauf-Zollinger R,Schmid R,Guggenheim B

更新日期：1981-03-01 00:00:00

abstract：:Invasive aspergillosis is a serious fungal infection caused by the proliferation and invasion of Aspergillus hyphae in tissue. Neutrophils (PMNs) are the most important line of defense against Aspergillus hyphae. To investigate the role of granulocyte colony-stimulating factor (G-CSF) and gamma interferon (IFN-gamma) ...

journal_title：Infection and immunity

authors： Roilides E,Uhlig K,Venzon D,Pizzo PA,Walsh TJ

更新日期：1993-04-01 00:00:00

abstract：:The microfilament inhibitors cytochalasins B and D have been traditionally used to indirectly evaluate the requirement for actin in the uptake of invasive bacterial pathogens by nonprofessional phagocytes. Through their effects on microfilaments, both cytochalasins also impart profound alterations in cellular morpholo...

journal_title：Infection and immunity

authors： Ewanowich CA,Peppler MS

更新日期：1990-10-01 00:00:00

abstract：:The typically recovered quantity of nontypeable Haemophilus influenzae (NTHi) bacteria in an ex vivo middle ear (ME) aspirate from the chinchilla model of experimental otitis media is insufficient for direct analysis of gene expression by microarray or of lipopolysaccharide glycoforms by mass spectrometry. This prompt...

journal_title：Infection and immunity

authors： Leroy M,Cabral H,Figueira M,Bouchet V,Huot H,Ram S,Pelton SI,Goldstein R

更新日期：2007-08-01 00:00:00

abstract：:Streptococcus suis has received increasing attention for its involvement in severe human infections worldwide as well as in multidrug resistance. Two-component signaling systems (TCSSs) play important roles in bacterial adaptation to various environmental stimuli. In this study, we identified a novel TCSS located in S...

journal_title：Infection and immunity

authors： Zhong X,Zhang Y,Zhu Y,Dong W,Ma J,Pan Z,Roy S,Lu C,Yao H

更新日期：2018-06-21 00:00:00

abstract：:The recently introduced choleragen-induced rat foot edema model has been employed as a bioassay for evaluating the immunogenicity of three purified preparations containing cholera exo-enterotoxin antigen, choleragen, choleragenoid, and Formalin-treated choleragen (formagen). The results indicated that choleragen evoke...

journal_title：Infection and immunity

authors： Finkelstein RA,Hollingsworth RC

更新日期：1970-05-01 00:00:00

abstract：:In mammals, the natural resistance-associated macrophage protein 1 gene, Nramp1, plays a major role in resistance to mycobacterial infections. Chesapeake Bay striped bass (Morone saxatilis) is currently experiencing an epizootic of mycobacteriosis that threatens the health of this ecologically and economically importa...

journal_title：Infection and immunity

authors： Burge EJ,Gauthier DT,Ottinger CA,Van Veld PA

更新日期：2004-03-01 00:00:00

abstract：:Neonates born to female guinea pigs of either a highly susceptible (C4D) or a resistant (Albany) strain, infected prior to or during pregnancy with a single dose of Treponema pallidum, showed in their sera from the first day of life immunoglobulin M (IgM) antibodies to T. pallidum, circulating immune complexes consist...

journal_title：Infection and immunity

authors： Wicher K,Baughn RE,Wicher V,Nakeeb S

更新日期：1992-01-01 00:00:00

abstract：:Severe combined immunodeficient (SCID)-beige mice inoculated with the intracellular parasite Eimeria papillata produced significantly more oocysts during primary infections than inoculated immunodeficient SCID mice. Therefore, the addition of the beige mutation, which detrimentally affects neutrophil and natural kille...

journal_title：Infection and immunity

authors： Schito ML,Barta JR

更新日期：1997-08-01 00:00:00

abstract：:We report here the identification and characterization of two zinc uptake systems, ZurAM and ZinABC, in the intracellular pathogen Listeria monocytogenes. Transcription of both operons was zinc responsive and regulated by the zinc-sensing repressor Zur. Deletion of either zurAM or zinA had no detectable effect on grow...

journal_title：Infection and immunity

authors： Corbett D,Wang J,Schuler S,Lopez-Castejon G,Glenn S,Brough D,Andrew PW,Cavet JS,Roberts IS

更新日期：2012-01-01 00:00:00

abstract：:A nonclonal population of Borrelia burgdorferi N40 (passage 3) that survived protective immunity following challenge inoculation of outer surface protein (Osp) A- or B-hyperimmunized mice were characterized for the molecular basis of evasion of immunity. Two of six B. burgdorferi isolates, cultured from OspA-immunized...

journal_title：Infection and immunity

authors： Fikrig E,Tao H,Barthold SW,Flavell RA

更新日期：1995-05-01 00:00:00

abstract：:In the absence of antiserum, rabbit polymorphonuclear leukocytes (PMNs) released lysosomal enzymes in response to Actinomyces viscosus (19246) but not to Streptococcus mutans (6715). Antibodies had a marked modulating influence on these reactions. PMN hydrolase release was significantly enhanced to both organisms when...

journal_title：Infection and immunity

authors： McArthur WP,Baehni P,Taichman NS

更新日期：1976-12-01 00:00:00

abstract：:Neisseria gonorrhoeae is the causative agent of the sexually transmitted disease gonorrhea, and infection with this organism is typically associated with an intense inflammatory response. In many individuals, however, the infection is asymptomatic and can progress to serious secondary complications. The type IV pili o...

journal_title：Infection and immunity

authors： Plant LJ,Jonsson AB

更新日期：2006-01-01 00:00:00

abstract：:Proteins from human polymorphonuclear leukocyte granules were extracted with 0.2 M acetate, pH 4.0, and fractionated by Sephadex G-100 column chromatography. The fractions demonstrated selective bactericidal action against a deep rough cell wall mutant of Escherichia coli O111:B4 with rough lipopolysacharide and cell ...

journal_title：Infection and immunity

authors： Modrzakowski MC,Cooney MH,Martin LE,Spitznagel JK

更新日期：1979-03-01 00:00:00

abstract：:The population structure of the Bacillus cereus group (52 strains of B. anthracis, B. cereus, and B. thuringiensis) was investigated by sequencing seven gene fragments (rpoB, gyrB, pycA, mdh, mbl, mutS, and plcR). Most of the strains were classifiable into two large subgroups in six housekeeping gene trees but not in ...

journal_title：Infection and immunity

authors： Ko KS,Kim JW,Kim JM,Kim W,Chung SI,Kim IJ,Kook YH

更新日期：2004-09-01 00:00:00

abstract：:In this study we demonstrate the capability of Chlamydia trachomatis to infect cultured human mesothelial cell (MC) monolayers and to induce the production of the proinflammatory cytokines interleukin 1beta (IL-1beta) and IL-8. Seventy-two hours after initial infection, both the procoagulant activity of MC and the act...

journal_title：Infection and immunity

authors： van Westreenen M,Pronk A,Diepersloot RJ,de Groot PG,Leguit P

更新日期：1998-05-01 00:00:00

abstract：:To look for a possible correlation between the virulence of Rhodococcus equi and its cytokine-inducing capacity, we evaluated intracellular survival and measured cytokine induction by mouse macrophages infected with a virulent strain containing an 85-kb plasmid and expressing VapA (103+), its avirulent plasmid-cured d...

journal_title：Infection and immunity

authors： Giguère S,Prescott JF

更新日期：1998-05-01 00:00:00

abstract：:The Gram-negative intracellular pathogen Burkholderia pseudomallei is the causative agent of melioidosis, an important cause of sepsis in Southeast Asia. Recognition of pathogen-associated molecular patterns by Toll-like receptors (TLRs) is essential for an appropriate immune response during pathogen invasion. In pati...

journal_title：Infection and immunity

authors： Birnie E,Weehuizen TAF,Lankelma JM,de Jong HK,Koh GCKW,van Lieshout MHP,Roelofs JJTH,Budding AE,de Vos AF,van der Poll T,Wiersinga WJ

更新日期：2019-07-23 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：:Human galectin-3 binds to the surface of Trypanosoma cruzi trypomastigotes and human coronary artery smooth muscle (CASM) cells. CASM cells express galectin-3 on their surface and secrete it. Exogenous galectin-3 increased the binding of T. cruzi to CASM cells. Trypanosome binding to CASM cells was enhanced when eithe...

journal_title：Infection and immunity

authors： Kleshchenko YY,Moody TN,Furtak VA,Ochieng J,Lima MF,Villalta F

更新日期：2004-11-01 00:00:00

abstract：:Intracellular survival of Chlamydia psittaci is in part dependent on the ability of the organism to thwart phagolysosome formation. Circumvention of phagolysosome fusion could be either localized to chlamydia-laden vacuoles or generalized to all phagosomes in the host cell. To determine which of these modes is in oper...

journal_title：Infection and immunity

authors： Eissenberg LG,Wyrick PB

更新日期：1981-05-01 00:00:00

abstract：:Staphylococcus aureus is an important opportunistic pathogen and is the etiological agent of many hospital- and community-acquired infections. The golden pigment, staphyloxanthin, of S. aureus colonies distinguishes it from other staphylococci and related Gram-positive cocci. Staphyloxanthin is the product of a series...

journal_title：Infection and immunity

authors： Hall JW,Yang J,Guo H,Ji Y

更新日期：2017-01-26 00:00:00

abstract：:Rocky Mountain spotted fever, a systemic tick-borne illness caused by the obligate intracellular bacterium Rickettsia rickettsii, is associated with widespread infection of the vascular endothelium. R. rickettsii infection induces a biphasic pattern of the nuclear factor-kappaB (NF-kappaB) activation in cultured human...

journal_title：Infection and immunity

authors： Clifton DR,Rydkina E,Freeman RS,Sahni SK

更新日期：2005-01-01 00:00:00

abstract：:Light and electron microscopy with histochemical staining were used to estimate exopolysaccharide production by strains of viridans streptococci recovered from patients with endocarditis. Six strains were selected for study because they represented a wide range of in vitro polysaccharide production. By light microscop...

journal_title：Infection and immunity

authors： Mills J,Pulliam L,Dall L,Marzouk J,Wilson W,Costerton JW

更新日期：1984-01-01 00:00:00

abstract：:We have previously shown that Bacillus anthracis lethal toxin represses glucocorticoid receptor (GR) transactivation. We now report that repression of GR activity also occurs with the large clostridial toxins produced by Clostridium sordellii and C. difficile. This was demonstrated using a transient transfection assay...

journal_title：Infection and immunity

authors： Tait AS,Dalton M,Geny B,D'Agnillo F,Popoff MR,Sternberg EM

更新日期：2007-08-01 00:00:00

abstract：:Streptolysin O (SLO) and streptolysin S (SLS) are potent cytolytic toxins produced by almost all clinical isolates of group A streptococci (GAS). Allele-replacement mutagenesis was used to construct nonpolar (in-frame) deletion mutations in the slo and sagB genes of the serotype M5 GAS strain Manfredo, producing isoge...

journal_title：Infection and immunity

authors： Fontaine MC,Lee JJ,Kehoe MA

更新日期：2003-07-01 00:00:00

abstract：:Transposon mutagenesis was used to analyze Mycoplasma pneumoniae cytadherence. Mycoplasmas were electroporated with Tn4001, and transformants were identified by antibiotic selection using gentamicin. The resulting colonies were screened for hemadsorption (HA) as an indicator for cytadherence. Six HA- colonies from ind...

journal_title：Infection and immunity

authors： Hedreyda CT,Krause DC

更新日期：1995-09-01 00:00:00

abstract：:A Clostridium difficile isolate was found to produce an actin-specific ADP-ribosyltransferase (CDT) homologous to the enzymatic components of Clostridium perfringens iota toxin and Clostridium spiroforme toxin (M. R. Popoff, E. J. Rubin, D. M. Gill, and P. Boquet, Infect. Immun. 56:2299-2306, 1988). The CDT locus from...

journal_title：Infection and immunity

authors： Perelle S,Gibert M,Bourlioux P,Corthier G,Popoff MR

更新日期：1997-04-01 00:00:00

abstract：:Previous work (P. Castric, F. J. Cassels, and R. W. Carlson, J. Biol. Chem. 276:26479-26485, 2001) has shown the Pseudomonas aeruginosa 1244 pilin glycan to be covalently bound to a serine residue. N-terminal sequencing of pilin fragments produced from endopeptidase treatment and identified by reaction with a glycan-s...

journal_title：Infection and immunity

authors： Comer JE,Marshall MA,Blanch VJ,Deal CD,Castric P

更新日期：2002-06-01 00:00:00

abstract：:In an Escherichia coli strain of human origin, ampicillin resistance and heat-stable enterotoxin activity were shown by EcoRI restriction endonuclease and genetic analysis to be in an 80-megadalton plasmid. ...

journal_title：Infection and immunity

authors： Stieglitz H,Fonseca R,Olarte J,Kupersztoch-Portnoy YM

更新日期：1980-11-01 00:00:00