Characterization of mutations that inactivate the diphtheria toxin repressor gene (dtxR).

abstract：:Because combined administration of intramuscular and intravenous interferon has been partially successful in the incubationary treatment of rabies, the effect of direct interferon administration into the cerebrospinal fluid space was tested. After injecting 1,800 U of interferon into the cisterna magna or the lateral ...

journal_title：Infection and immunity

authors： Ho M,Nash C,Morgan CW,Armstrong JA,Carroll RG,Postic B

更新日期：1974-02-01 00:00:00

abstract：:Serum amyloid A protein (SAA) elevation accompanies induction of secondary amyloidosis in mice given Mycobacterium butyricum in Freund adjuvant. The synthesis of SAA by cultured hepatocytes is induced by a macrophage-derived mediator, which has been identified as interleukin 1. In these studies, SAA synthesis has been...

journal_title：Infection and immunity

authors： McAdam KP,Foss NT,Garcia C,DeLellis R,Chedid L,Rees RJ,Wolff SM

更新日期：1983-03-01 00:00:00

abstract：:Attaching and effacing adhesion to epithelial cells is a pathognomonic feature of infection by both enteropathogenic Escherichia coli (EPEC) and certain strains of verocytotoxin-producing E. coli (VTEC). EPEC adhesion to tissue culture epithelial cells results in activation of the phosphatidylinositol pathway, with el...

journal_title：Infection and immunity

authors： Ismaili A,Philpott DJ,Dytoc MT,Sherman PM

更新日期：1995-09-01 00:00:00

abstract：:The gonococcal pilus is a primary virulence factor, providing the initial attachment of the bacterial cell to human mucosal tissues. Pilin, the major subunit of the pilus, can carry a wide spectrum of primary amino acid sequences which are generated by the action of a complex antigenic variation system. Changes in the...

journal_title：Infection and immunity

authors： Long CD,Madraswala RN,Seifert HS

更新日期：1998-05-01 00:00:00

abstract：:Rhodococcus equi is a facultative intracellular pathogen of macrophages, relying on the presence of a conjugative virulence plasmid harboring a 21-kb pathogenicity island (PAI) for growth in host macrophages. The PAI encodes a family of 6 virulence-associated proteins (Vaps) in addition to 20 other proteins. The contr...

journal_title：Infection and immunity

authors： Coulson GB,Miranda-CasoLuengo AA,Miranda-CasoLuengo R,Wang X,Oliver J,Willingham-Lane JM,Meijer WG,Hondalus MK

更新日期：2015-08-01 00:00:00

abstract：:Lung dendritic cells were identified by immunohistochemistry in lung tissue sections from C57BL/6 mice. Following isolation from the lungs using CD11c magnetic beads, the flow cytometric analysis of I-A(b+) and CD11c(+) cells indicated a mixed population of dendritic cells at different stages of maturation, with most ...

journal_title：Infection and immunity

authors： Gonzalez-Juarrero M,Orme IM

更新日期：2001-02-01 00:00:00

abstract：:Yersinia pestis, the agent of plague, has arisen from a less virulent pathogen, Yersinia pseudotuberculosis, by a rapid evolutionary process. Although Y. pestis displays a large number of virulence phenotypes, it is not yet clear which of these phenotypes descended from Y. pseudotuberculosis and which were acquired in...

journal_title：Infection and immunity

authors： Pujol C,Bliska JB

更新日期：2003-10-01 00:00:00

abstract：:Pseudomonas aeruginosa bacteremia in cancer patients develops from initial gastrointestinal (GI) colonization with translocation into the bloodstream in the setting of chemotherapy-induced neutropenia and GI mucosal damage. We established a reproducible mouse model of P. aeruginosa GI colonization and systemic spread ...

journal_title：Infection and immunity

authors： Koh AY,Priebe GP,Pier GB

更新日期：2005-04-01 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：: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：:Corynebacteriophage 782, a phage highly related to the beta family of corynebacteriophages but lacking a tox allele, was isolated from a nontoxinogenic clinical isolate of Corynebacterium diphtheriae. Phage 782 exhibits beta immunity but has a wider host range than beta, forming plaques on strains of C. ulcerans and C...

journal_title：Infection and immunity

authors： Cianciotto N,Groman N

更新日期：1985-07-01 00:00:00

abstract：:A cysteine-containing peptide motif, EWSPCSVTCG, is found highly conserved in the circumsporozoite protein (CSP) and the thrombospondin-related anonymous protein (TRAP) of all the Plasmodium species analyzed so far and has been shown to be crucially involved in the sporozoite invasion of hepatocytes. We have recently ...

journal_title：Infection and immunity

authors： Bharadwaj A,Sharma P,Joshi SK,Singh B,Chauhan VS

更新日期：1998-07-01 00:00:00

abstract：:A protein factor which induces high levels of gamma interferon (IFN-gamma) in resting splenic nonadherent cells was isolated from the sera of mice with generalized inflammation caused by endotoxic shock. The factor was highly purified by ammonium sulfate precipitation followed by ion-exchange column chromatography on ...

journal_title：Infection and immunity

authors： Nakamura K,Okamura H,Nagata K,Komatsu T,Tamura T

更新日期：1993-01-01 00:00:00

abstract：:The present study examined the role of endogenous gamma interferon (IFN-gamma) in the formation of granulomas in mice which had been given a single intravenous injection of glycolipid-containing mycolic acid (trehalose 2,3,6'-trimycolate) purified from cell walls of Rhodococcus aurantiacus (Gordona aurantiaca) (GaGM) ...

journal_title：Infection and immunity

authors： Asano M,Nakane A,Minagawa T

更新日期：1993-07-01 00:00:00

abstract：:Bacteria have evolved strategies to resist killing by antimicrobial peptides (APs), important effectors of innate immunity. The sap (sensitivity to antimicrobial peptides) operon confers resistance to AP-mediated killing of Salmonella. We have recently shown that sapA gene expression is upregulated in the middle ear i...

journal_title：Infection and immunity

authors： Mason KM,Munson RS Jr,Bakaletz LO

更新日期：2005-01-01 00:00:00

abstract：:Immunization with Plasmodium sporozoites can elicit high levels of sterile immunity, and neutralizing antibodies from protected hosts are known to target the repeat region of the circumsporozoite (CS) protein on the parasite surface. CS-based subunit vaccines have been hampered by suboptimal immunogenicity and the req...

journal_title：Infection and immunity

authors： Carapau D,Mitchell R,Nacer A,Shaw A,Othoro C,Frevert U,Nardin E

更新日期：2013-12-01 00:00:00

abstract：:Studies conducted with F1 and F2 progeny of crosses between strains of inbred mice that differ greatly in their capacity to make an antibody response to type III pneumococcal polysaccharide, dextran B-1355, and lipopolysaccharide from Escherichia coli 0113 have shown that multiple genes influence the magnitude of the ...

journal_title：Infection and immunity

authors： Baker PJ,Rudbach JA,Prescott B,Caldes G,Evans C,Stashak PW

更新日期：1984-07-01 00:00:00

abstract：:Phytohemagglutinin is able to trigger interferon synthesis in spleen cell cultures from nude (nu/nu) mice as effectively as in splenic cell cultures from haired, control (nu/+), thymus-bearing mice. A minor theta-bearing cell population present in the spleen of nude mice appears essential to phytohemagglutinin interfe...

journal_title：Infection and immunity

authors： Wietzerbin J,Stefanos S,Falcoff R,Lucero M,Catinot L,Falcoff E

更新日期：1978-09-01 00:00:00

abstract：:Helicobacter pylori maintains colonization in its human host using a limited set of taxis sensors. TlpD is a proposed energy taxis sensor of H. pylori and dominant under environmental conditions of low bacterial energy yield. We studied the impact of H. pylori TlpD on colonization in vivo using a gerbil infection mode...

journal_title：Infection and immunity

authors： Behrens W,Schweinitzer T,Bal J,Dorsch M,Bleich A,Kops F,Brenneke B,Didelot X,Suerbaum S,Josenhans C

更新日期：2013-10-01 00:00:00

abstract：:Recently, a glycoprotein fraction, designated gp10/20, purified from Leishmania mexicana amazonensis was shown to induce a cellular immune response mediated by murine L3T4+ T lymphocytes. This fact led us to pursue further the characterization of this fraction. The present study demonstrated that gp10/20 is a degradat...

journal_title：Infection and immunity

authors： Rodrigues MM,Xavier MT,Mendonça-Previato L,Barcinski MA

更新日期：1988-07-01 00:00:00

abstract：:Campylobacter jejuni is a microaerobic bacterium that produces an acute, self-limiting, watery or bloody diarrhea in humans. Little is known about how C. jejuni causes disease or even what specific capabilities it requires for survival in vivo. The enzyme, superoxide dismutase (SOD), which catalyzes the breakdown of s...

journal_title：Infection and immunity

authors： Pesci EC,Cottle DL,Pickett CL

更新日期：1994-07-01 00:00:00

abstract：:Lymphocytes derived from 72- to 90-day-old fetal piglet thymuses respond in vitro to phytohemagglutinin quantitatively greater than do spleen cell lymphocytes. ...

journal_title：Infection and immunity

authors： Rodey GE,Day N,Holmes-Gray B,Good RA

更新日期：1972-03-01 00:00:00

abstract：:Salmonella enterica serovar Typhimurium, similar to various facultative intracellular pathogens, has been shown to respond to the hostile conditions inside macrophages of the host organism by inducing stress proteins, such as DnaK. DnaK forms a chaperone machinery with the cochaperones DnaJ and GrpE. To elucidate the ...

journal_title：Infection and immunity

authors： Takaya A,Tomoyasu T,Matsui H,Yamamoto T

更新日期：2004-03-01 00:00:00

abstract：:We have determined the amounts of specific anti-class 1 outer membrane protein antibodies in sera from 25 patients during the course of systemic meningococcal disease, using purified class 1 protein as the sensitizing antigen in an enzyme-linked immunosorbent assay. The class 1 protein was obtained from a variant of s...

journal_title：Infection and immunity

authors： Guttormsen HK,Wetzler LM,Solberg CO

更新日期：1994-04-01 00:00:00

abstract：:Candida albicans is a ubiquitous mucosal commensal that is normally prevented from causing acute or chronic invasive disease. Neutrophils contribute to protection in oral infection but exacerbate vulvovaginal candidiasis. To dissect the role of neutrophils during mucosal candidiasis, we took advantage of a new, transp...

journal_title：Infection and immunity

authors： Gratacap RL,Scherer AK,Seman BG,Wheeler RT

更新日期：2017-08-18 00:00:00

abstract：:Members of our group reported recently that neisseria infection of human epithelial cells results in accelerated degradation of the major lysosomal integral membrane protein LAMP1 and that this is due to hydrolysis of this glycoprotein at its immunoglobulin A1 (IgA1)-like hinge by the neisseria type 2 IgA1 protease (L...

journal_title：Infection and immunity

authors： Ayala P,Lin L,Hopper S,Fukuda M,So M

更新日期：1998-10-01 00:00:00

abstract：:Burkholderia cenocepacia, a member of the B. cepacia complex, is an opportunistic pathogen that causes serious infections in patients with cystic fibrosis. We identified a six-gene cluster in chromosome 1 encoding a two-component regulatory system (BCAL2831 and BCAL2830) and an HtrA protease (BCAL2829) hypothesized to...

journal_title：Infection and immunity

authors： Flannagan RS,Aubert D,Kooi C,Sokol PA,Valvano MA

更新日期：2007-04-01 00:00:00

abstract：:Lymphocytes from uninfected, nonimmune mice can be stimulated to proliferate and produce antibody to diverse antigens in culture when exposed to the purified protein derivative of tuberculin or unheated tuberculin culture filtrate. Lymphocytes from numerous inbred strains of mice respond to tuberculin, but no true low...

journal_title：Infection and immunity

authors： Sultzer BM,Nilsson BS,Kirschenbaum D

更新日期：1977-03-01 00:00:00

abstract：:Escherichia coli O45 isolates associated with swine postweaning diarrhea in Québec were characterized with respect to virulence determinants genetically and investigated for their attaching and effacing (A/E) activities by experimental inoculation of gnotobiotic piglets and by the HEp-2 cell adherence assay. All of 32...

journal_title：Infection and immunity

authors： Zhu C,Harel J,Jacques M,Desautels C,Donnenberg MS,Beaudry M,Fairbrother JM

更新日期：1994-10-01 00:00:00

abstract：:Lipopolysaccharides (LPSs) of Gram-negative bacteria comprise lipid A, core, and O-polysaccharide (OPS) components. Studies have demonstrated that LPSs isolated from the pathogenic species Burkholderia pseudomallei and Burkholderia mallei and from less-pathogenic species, such as Burkholderia thailandensis, are potent...

journal_title：Infection and immunity

authors： Sengyee S,Yoon SH,West TE,Ernst RK,Chantratita N

更新日期：2019-11-18 00:00:00