Burkholderia cenocepacia ShvR-regulated genes that influence colony morphology, biofilm formation, and virulence.

abstract：:Streptococcus pneumoniae contains an inhibitor of human neutrophil elastase. The agent does not inhibit other proteases, including neutrophil cathepsin G and pancreatic elastase. It is active in the presence of insoluble elastin as well as synthetic elastase substrates. The inhibitor is present in the pneumococcal cel...

journal_title：Infection and immunity

authors： Vered M,Simon SR,Janoff A

更新日期：1985-07-01 00:00:00

abstract：:We investigated the effect of a pH 4-treated human immunoglobulin preparation for intravenous use (pH4-G) on the production of tumor necrosis factor alpha (TNF-alpha) in vivo. The level of TNF-alpha in the sera of rabbits receiving pH4-G before lipopolysaccharide (LPS) injection was lower than that in rabbits receivin...

journal_title：Infection and immunity

authors： Shimozato T,Iwata M,Tamura N

更新日期：1990-05-01 00:00:00

abstract：:A total of five bacteriological samples from the periodontal pockets of two sisters with localized juvenile periodontitis and their mother with advanced periodontitis was studied. Gram-negative anaerobic rods were predominant in the samples. Bacteroides intermedius and Bacteroides loescheii were the most predominant s...

journal_title：Infection and immunity

authors： Okuda K,Naito Y,Ohta K,Fukumoto Y,Kimura Y,Ishikawa I,Kinoshita S,Takazoe I

更新日期：1984-07-01 00:00:00

abstract：:The yields of exotoxin A in Pseudomonas aeruginosa cultures were influenced by the concentration of iron in the culture media. When the iron concentration of the culture media was increased from 0.05 to 1.5 microgram/ml, there was at least a 90% decrease in exotoxin A (measured both by enzymatic activity and by mouse ...

journal_title：Infection and immunity

authors： Bjorn MJ,Iglewski BH,Ives SK,Sadoff JC,Vasil ML

更新日期：1978-03-01 00:00:00

abstract：:Bordetella bronchiseptica secreted a hydroxamate siderophore when grown in Fe-depleted medium. A Tn5lac insertion mutant of B. bronchiseptica, DBB22, did not produce this hydroxamate siderophore and was incapable of using lactoferrin as an Fe source. Our data suggest that B. bronchiseptica uses a siderophore for remov...

journal_title：Infection and immunity

authors： Foster LA,Dyer DW

更新日期：1993-06-01 00:00:00

abstract：:During the process of phagocytosis, human leukocytes emit a burst of luminescence which can be measured in a liquid scintillation spectrometer. The enzyme superoxide dismutase, which removes superoxide anions (O(2.)), inhibited this chemiluminescence by 70% at a concentration of 100 mug/ml. The enzyme did not inhibit ...

journal_title：Infection and immunity

authors： Webb LS,Keele BB Jr,Johnston RB Jr

更新日期：1974-06-01 00:00:00

abstract：:Conventional dendritic cells (cDCs) are critical for protection against pulmonary infection with the opportunistic fungal pathogen Cryptococcus neoformans; however, the role of plasmacytoid dendritic cells (pDCs) is unknown. We show for the first time that murine pDCs have direct activity against C. neoformans via rea...

journal_title：Infection and immunity

authors： Hole CR,Leopold Wager CM,Mendiola AS,Wozniak KL,Campuzano A,Lin X,Wormley FL Jr

更新日期：2016-08-19 00:00:00

abstract：:An experimental model of coxsackievirus B3 infection in newborn mice was utilized to examine the protective role of antiviral antibodies and an interferon inducer, polyinosinic acid-polycytidylic acid [poly(I:C)]. Subcutaneous administration to the infected mice of specific antiviral antibodies resulted in significant...

journal_title：Infection and immunity

authors： Cho CT,Feng KK,McCarthy VP,Lenahan MF

更新日期：1982-08-01 00:00:00

abstract：:Secreted and surface-exposed antigens of intracellular pathogens are thought to provide target structures for detection by the host immune system. The major secreted product of intracellular Leishmania mexicana amastigotes, a proteophosphoglycan (aPPG), is known to contribute to the establishment of the parasitophorou...

journal_title：Infection and immunity

authors： Aebischer T,Harbecke D,Ilg T

更新日期：1999-10-01 00:00:00

abstract：:The rat middle ear and lung clearance model has been used to show that the nontypeable Haemophilus influenzae 26-kDa outer membrane protein OMP26 is highly efficacious as a mucosal immunogen, inducing significantly enhanced clearance in immunized rats upon direct challenge of these two anatomic sites. Similarly, the c...

journal_title：Infection and immunity

authors： Kyd JM,Cripps AW,Novotny LA,Bakaletz LO

更新日期：2003-08-01 00:00:00

abstract：:Current efforts to develop plague vaccines focus on LcrV, a polypeptide that resides at the tip of type III secretion needles. LcrV-specific antibodies block Yersinia pestis type III injection of Yop effectors into host immune cells, thereby enabling phagocytes to kill the invading pathogen. Earlier work reported that...

journal_title：Infection and immunity

authors： Miller NC,Quenee LE,Elli D,Ciletti NA,Schneewind O

更新日期：2012-04-01 00:00:00

abstract：:In a model of experimental Chagas' disease induced with metacyclic forms of Trypanosoma cruzi, CD4+ but not CD8+ T cells undergo T-cell receptor (TCR)-CD3-mediated activation-induced cell death (AICD) in vitro. CD4+ T cells from T. cruzi-infected mice also developed unresponsiveness in proliferative responses to TCR-C...

journal_title：Infection and immunity

authors： Lopes MF,DosReis GA

更新日期：1996-05-01 00:00:00

abstract：:The ability of intracellular pathogens to sense and adapt to the hostile environment of the host is an important factor governing virulence. We have sequenced the operon encoding the major heat shock proteins GroES and GroEL in the gram-positive food-borne pathogen Listeria monocytogenes. The operon has a conserved or...

journal_title：Infection and immunity

authors： Gahan CG,O'Mahony J,Hill C

更新日期：2001-06-01 00:00:00

abstract：:Previous studies have shown that tumor necrosis factor alpha (TNF-alpha) plays a pathophysiologic role in sepsis induced in rat pups by group B streptococci (GBS). In this model, TNF-alpha is also partially responsible for the induction of interleukin-6 (IL-6). The present study was undertaken to investigate the role ...

journal_title：Infection and immunity

authors： Mancuso G,Tomasello F,Migliardo M,Delfino D,Cochran J,Cook JA,Teti G

更新日期：1994-11-01 00:00:00

abstract：:The antigenic relationship of six different strains of Paracoccidioides brasiliensis was investigated by the agar-gel immunodiffusion test. Soluble antigens prepared from the two morphological phases of the fungus were diffused against human sera obtained from eight patients with paracoccidioidomycosis (South American...

journal_title：Infection and immunity

authors： Restrepo-Moreno A

更新日期：1970-09-01 00:00:00

abstract：:In a double-blind, randomized, and placebo-controlled previous trial, the efficacy of Vi-rEPA for typhoid fever in 2- to 5-year-olds was 89.0% for 46 months. Vi-rEPA contained 25 microg of Vi and induced a greater-than-eightfold rise in immunoglobulin G (IgG) anti-Vi in all of the vaccinees tested. In this investigati...

journal_title：Infection and immunity

authors： Canh DG,Lin FY,Thiem VD,Trach DD,Trong ND,Mao ND,Hunt S,Schneerson R,Robbins JB,Chu C,Shiloach J,Bryla DA,Bonnet MC,Schulz D,Szu SC

更新日期：2004-11-01 00:00:00

abstract：:The immunoprophylactic effect of chemically inactivated Pseudomonas aeruginosa exotoxin A in experimental pseudomonas infections was studied. Exotoxin A toxoids were prepared by Formalin (f-TXD) or glutaraldehyde (g-TXD) treatment. Immunization of mice with three or four doses (10 micrograms each) of f-TXD and the syn...

journal_title：Infection and immunity

authors： Pavlovskis OR,Edman DC,Leppla SH,Wretlind B,Lewis LR,Martin KE

更新日期：1981-05-01 00:00:00

abstract：:We have previously identified two K88ac adhesion receptors (210 and 240 kDa) which are present in membrane preparations from adhesive but not nonadhesive porcine intestinal brush border cells; these adhesin receptors are postulated to be important determinants of the susceptibility of pigs to K88ac+ enterotoxigenic Es...

journal_title：Infection and immunity

authors： Erickson AK,Baker DR,Bosworth BT,Casey TA,Benfield DA,Francis DH

更新日期：1994-12-01 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 attachment and invasion of chicken ovarian granulosa cells by Salmonella enteritidis was examined in vitro. The attachment was inhibited by preincubation of granulosa cells with anti-chicken fibronectin antibody (approximately 70% reduction in attachment) or preincubation with a 14-kDa fimbrial protein isolated fr...

journal_title：Infection and immunity

authors： Thiagarajan D,Saeed M,Turek J,Asem E

更新日期：1996-12-01 00:00:00

abstract：:Streptococcus mutans Ingbritt was grown anaerobically in a chemostat, at a rate (mean generation time, 13 h) similar to that in dental plaque, in a complex medium with excess glucose and at pH values of 6.5, 6.0, and 5.5. The yield of cells was constant at pH 6.5 and 6.0 (2.00 mg/ml) but fell to 1.25 at pH 5.5; Y(gluc...

journal_title：Infection and immunity

authors： Hamilton IR,Ellwood DC

更新日期：1978-02-01 00:00:00

abstract：:A DNA microarray containing fragments of 137 Borrelia burgdorferi B31 putative lipoprotein genes was used to examine Lyme disease spirochetes. DNA from B. burgdorferi sensu stricto B31, 297, and N40; Borrelia garinii IP90; and Borrelia afzelii P/Gau was fluorescently labeled and hybridized to the microarray, demonstra...

journal_title：Infection and immunity

authors： Liang FT,Nelson FK,Fikrig E

更新日期：2002-06-01 00:00:00

abstract：:Haemophilus influenzae type b (Hib) is a significant pathogen for young children, and three Hib vaccines (named PRP-OMPC, HbOC, and PRP-T) are currently available for young children. Extensive studies of anti-Hib polysaccharide (PS) antibodies (Abs) have shown that the V regions of Abs against the Hib PS comprise a VH...

journal_title：Infection and immunity

authors： Chung GH,Kim KH,Daum RS,Insel RA,Siber GR,Sood S,Gupta RK,Marchant C,Nahm MH

更新日期：1995-11-01 00:00:00

abstract：:Most Helicobacter pylori strains express the BabA adhesin, which binds to ABO/Leb blood group antigens on gastric mucin and epithelial cells and is found more commonly in strains that cause peptic ulcers or gastric cancer, rather than asymptomatic infection. We and others have previously reported that in mice, gerbils...

journal_title：Infection and immunity

authors： Hansen LM,Gideonsson P,Canfield DR,Borén T,Solnick JV

更新日期：2017-05-23 00:00:00

abstract：:Brucellosis is a costly disease of water buffaloes (Bubalus bubalis). Latent infections and prolonged incubation of the pathogen limit the efficacy of programs based on the eradication of infected animals. We exploited genetic selection for disease resistance as an approach to the control of water buffalo brucellosis....

journal_title：Infection and immunity

authors： Borriello G,Capparelli R,Bianco M,Fenizia D,Alfano F,Capuano F,Ercolini D,Parisi A,Roperto S,Iannelli D

更新日期：2006-04-01 00:00:00

abstract：:Plasma cells are common in chronically inflamed sites, including periodontal lesions. The aim of this study was to determine which factors contribute to this local accumulation of plasma cells. Specifically, we sought to evaluate the effects of specific antigen and nonspecific activators from an infectious agent assoc...

journal_title：Infection and immunity

authors： Mallison SM 3rd,Smith JP,Schenkein HA,Tew JG

更新日期：1991-11-01 00:00:00

abstract：:Variable subregions within the variant surface glycoprotein (VSG) coat displayed by African trypanosomes are predicted sites for T- and B-cell recognition. Hypervariable subregion 1 (HV-1) is localized to an internal amphipathic alpha helix in VSG monomers and may have evolved due to selective pressure by host T-cell ...

journal_title：Infection and immunity

authors： Dagenais TR,Demick KP,Bangs JD,Forest KT,Paulnock DM,Mansfield JM

更新日期：2009-01-01 00:00:00

abstract：:Spotted fever group rickettsiae are known to produce distinct plaque phenotypes. Strains that cause lytic infections in cell culture form clear plaques, while nonlytic strains form opaque plaques in which the cells remain intact. Clear plaques have historically been associated with more-virulent species or strains of ...

journal_title：Infection and immunity

authors： Clark TR,Ellison DW,Kleba B,Hackstadt T

更新日期：2011-04-01 00:00:00

abstract：:Pyolysin (PLO), the hemolytic exotoxin expressed by Arcanobacterium (Actinomyces) pyogenes, is a member of the thiol-activated cytolysin family of bacterial toxins. Insertional inactivation of the plo gene results in loss of expression of PLO with a concomitant loss in hemolytic activity. The plo mutant, PLO-1, has an...

journal_title：Infection and immunity

authors： Jost BH,Songer JG,Billington SJ

更新日期：1999-04-01 00:00:00

abstract：:Staphylococcus aureus nitric oxide synthase (saNOS) is a major contributor to virulence, stress resistance, and physiology, yet the specific mechanism(s) by which saNOS intersects with other known regulatory circuits is largely unknown. The SrrAB two-component system, which modulates gene expression in response to the...

journal_title：Infection and immunity

authors： James KL,Mogen AB,Brandwein JN,Orsini SS,Ridder MJ,Markiewicz MA,Bose JL,Rice KC

更新日期：2019-01-24 00:00:00