Discrimination of virulent and avirulent Streptococcus suis capsular type 2 isolates from different geographical origins.

abstract：:The genes of the lic1 operon (lic1A to lic1D) are responsible for incorporation of phosphocholine (PCho) into the lipopolysaccharide (LPS) of Haemophilus influenzae. PCho plays a multifaceted role in the commensal and pathogenic lifestyles of a range of mucosal pathogens, including H. influenzae. Structural studies of...

journal_title：Infection and immunity

authors： Fox KL,Li J,Schweda EK,Vitiazeva V,Makepeace K,Jennings MP,Moxon ER,Hood DW

更新日期：2008-02-01 00:00:00

abstract：:All of the Salmonella enteritidis strains isolated from diseased animals (61 strains) and from beef (2 strains) in Japan and in West Germany (1 strain), except for 2 strains isolated from ducks, harbored either a 36-megadalton (Md) plasmid alone or in combination with several other plasmids of different sizes. It is l...

journal_title：Infection and immunity

authors： Nakamura M,Sato S,Ohya T,Suzuki S,Ikeda S

更新日期：1985-03-01 00:00:00

abstract：:Four mouse monoclonal antibodies have been developed which react with Mycobacterium tuberculosis antigen 5. Each of these monoclonal antibodies has been used to prepare immunoabsorbents, and antigen has been isolated from unheated M. tuberculosis H37Ra culture filtrate by affinity chromatography with these absorbents....

journal_title：Infection and immunity

authors： Daniel TM,Gonchoroff NJ,Katzmann JA,Olds GR

更新日期：1984-07-01 00:00:00

abstract：:We have previously demonstrated that protection from allergic inflammation by Ascaris suum infection was characterized by a global increase in interleukin-10 (IL-10) and the development of protective CD4(+)/CD25(+) T cells (L. Schopf, S. Luccioli, V. Bundoc, P. Justice, C. C. Chan, B. J. Wetzel, H. H. Norris, J. F. Ur...

journal_title：Infection and immunity

authors： McConchie BW,Norris HH,Bundoc VG,Trivedi S,Boesen A,Urban JF Jr,Keane-Myers AM

更新日期：2006-12-01 00:00:00

abstract：:A chemically defined medium developed for Neisseria gonorrhoeae was modified to support the growth of Campylobacter jejuni and Campylobacter coli. A total of 76 isolates of C. jejuni and 14 isolates of C. coli were tested on this medium, which was designated Campylobacter defined medium (CDM), over a 3-month period. A...

journal_title：Infection and immunity

authors： Tenover FC,Knapp JS,Patton C,Plorde JJ

更新日期：1985-05-01 00:00:00

abstract：:During bacterial infection of the bovine mammary gland, large numbers of leukocytes migrate into the udder, resulting in the establishment of a host response against the pathogen. Currently, the specific leukocyte populations mediating this immune response are not well defined. In the studies described here, we analyz...

journal_title：Infection and immunity

authors： Soltys J,Quinn MT

更新日期：1999-12-01 00:00:00

abstract：:Cultures of Serpulina pilosicoli 95/1000, isolated from a pig with porcine intestinal spirochetosis (PIS), and S. pilosicoli WesB, isolated from an Aboriginal child with diarrhea, were used to infect 5-week-old newly weaned pigs. Four of 12 pigs infected with strain 95/1000 and 2 of 12 pigs infected with strain WesB b...

journal_title：Infection and immunity

authors： Trott DJ,Huxtable CR,Hampson DJ

更新日期：1996-11-01 00:00:00

abstract：:The cyst cell wall β-glucans of Pneumocystis have been shown to stimulate immune responses in lung epithelial cells, dendritic cells, and alveolar macrophages. Little is known about how the trophic life forms, which do not have a fungal cell wall, interact with these innate immune cells. Here, we report differences in...

journal_title：Infection and immunity

authors： Evans HM,Bryant GL 3rd,Garvy BA

更新日期：2016-11-01 00:00:00

abstract：:Polymicrobial intra-abdominal infections (IAI) are clinically prevalent and cause significant morbidity and mortality, especially those involving fungi. Our laboratory developed a mouse model of polymicrobial IAI and demonstrated that coinfection with Candida albicans and Staphylococcus aureus (C. albicans/S. aureus) ...

journal_title：Infection and immunity

authors： Lilly EA,Yano J,Esher SK,Hardie E,Fidel PL Jr,Noverr MC

更新日期：2019-07-23 00:00:00

abstract：:Mouse fibroblasts (L cells) were infected in suspension with Chlamydia psittaci (6BC) and then plated out on a solid substrate at a density of 80 cells per cm2 so that the effect of chlamydial infection on the division of single host cells and their progeny could be determined. Uninfected L cells multiplied with a mea...

journal_title：Infection and immunity

authors： Horoschak KD,Moulder JW

更新日期：1978-01-01 00:00:00

abstract：:Specific proteolytic destruction of the human chemotaxin, C5a, is a property of group A and B streptococcal pathogens. Here we show that virulent group G streptococci from human sources also express C5a peptidase activity. The enzyme responsible for this activity is approximately the same size as and is antigenically ...

journal_title：Infection and immunity

authors： Cleary PP,Peterson J,Chen C,Nelson C

更新日期：1991-07-01 00:00:00

abstract：:CD8+ T cells are essential for protection against mycobacteria, as is clearly demonstrated by the fatal outcome of experimental infection of beta-2 microglobulin knockout mice. However, the mechanisms and antigens (Ags) leading to CD8+ T-cell activation and regulation have been poorly characterized. Here we show that,...

journal_title：Infection and immunity

authors： Denis O,Lozes E,Huygen K

更新日期：1997-02-01 00:00:00

abstract：:A gene, dmcA, expressing a methyl-accepting chemotaxis protein (MCP) from the oral spirochete Treponema denticola has been characterized. The gene was initially identified as an open reading frame immediately upstream from the previously characterized prtB protease gene of strain ATCC 35405. Nucleotide sequencing of t...

journal_title：Infection and immunity

authors： Kataoka M,Li H,Arakawa S,Kuramitsu H

更新日期：1997-10-01 00:00:00

abstract：:To demonstrate local synthesis of anti-Mycobacterium leprae antibodies, biopsies from skin lesions of leprosy patients were cultured in vitro in a medium containing 14C-labeled lysine and isoleucine, and the culture fluids were analyzed by crossed immunoelectrophoresis with intermediate gel and autoradiography. The re...

journal_title：Infection and immunity

authors： Lai A Fat RF,Chan Pin Jin J,van Furth R,Harboe M

更新日期：1980-02-01 00:00:00

abstract：:Staphylococcus aureus and Salmonella enterica serovar Dublin invade osteoblasts and are causative agents of human bone disease. In the present study, we examined the ability of S. aureus and Salmonella serovar Dublin to induce the production of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) by normal ...

journal_title：Infection and immunity

authors： Alexander EH,Bento JL,Hughes FM Jr,Marriott I,Hudson MC,Bost KL

更新日期：2001-03-01 00:00:00

abstract：:Anopheles gambiae is the major African vector of Plasmodium falciparum, the most deadly species of human malaria parasite and the most prevalent in Africa. Several strategies are being developed to limit the global impact of malaria via reducing transmission rates, among which are transmission-blocking vaccines (TBVs)...

journal_title：Infection and immunity

authors： Lavazec C,Boudin C,Lacroix R,Bonnet S,Diop A,Thiberge S,Boisson B,Tahar R,Bourgouin C

更新日期：2007-04-01 00:00:00

abstract：:Attachment and ingestion of Mycobacterium avium subsp. paratuberculosis by two epithelial cell lines were enhanced by soluble fibronectin (FN). Peptide blocking of the FN attachment protein (FAP-P) inhibited the internalization of M. avium subsp. paratuberculosis. Disruption of FAP-P expression significantly reduced a...

journal_title：Infection and immunity

authors： Secott TE,Lin TL,Wu CC

更新日期：2002-05-01 00:00:00

abstract：:The plasma level of the chemokine CCL3 is elevated in patients with chronic severe schistosomiasis mansoni. We have previously shown that CCL3(-/-) mice with experimental infection showed diminished pathology and worm burden compared to those of wild-type (WT) mice. To elucidate further the role of CC chemokines durin...

journal_title：Infection and immunity

authors： Souza AL,Souza PR,Pereira CA,Fernandes A,Guabiraba R,Russo RC,Vieira LQ,Corrêa A Jr,Teixeira MM,Negrão-Corrêa D

更新日期：2011-04-01 00:00:00

abstract：:A zone of extracellular digestion of the mucin layer around Candida albicans blastoconidia was observed by transmission electron microscopy in the jejunum of mice inoculated intragastrically (G. T. Cole, K. R. Seshan, L. M. Pope, and R. J. Yancey, J. Med. Vet. Mycol. 26:173-185, 1988). This observation prompted the hy...

journal_title：Infection and immunity

authors： Colina AR,Aumont F,Deslauriers N,Belhumeur P,de Repentigny L

更新日期：1996-11-01 00:00:00

abstract：:Lipopolysaccharide (LPS) from three human and four monkey isolates of Campylobacter jejuni was extracted in high yields that revealed ladder-like structures in polyacrylamide gels by direct silver staining. These observations demonstrate that C. jejuni possesses LPS with O-chain repeating units typical of the family E...

journal_title：Infection and immunity

authors： Blake DC Jr,Russell RG

更新日期：1993-12-01 00:00:00

abstract：:Raising the magnesium level from 0.4 to 1.5 mM in a medium containing only amino acids (2.08%), salts, and vitamins increased enterotoxin B production by Staphylococcus aureus S-6 by about 80%. The level of phosphates in the medium was lowered to one-tenth (to 2.87 mM) the original amount without adversely affecting g...

journal_title：Infection and immunity

authors： Keller GM,Hanson RS,Bergdoll MS

更新日期：1978-04-01 00:00:00

abstract：:Evidence is presented to indicate that Plasmodium berghei merozoites, but not trophozotites, have an antiphagocytic capsule. The capsule appears to form around the developing merozoties of the schizont in the parasitophorous vacuole. Serum from animals immune to P. berghei reacts with this capsule. After reaction with...

journal_title：Infection and immunity

authors： Brooks C,Kreier JP

更新日期：1978-06-01 00:00:00

abstract：:Tetanus neurotoxin (TeNT) and botulinum neurotoxin (BoNT) are clostridial neurotoxins (CNTs) responsible for the paralytic diseases tetanus and botulism, respectively. CNTs are AB toxins with an N-terminal zinc-metalloprotease light chain that is linked by a disulfide bond to a C-terminal heavy chain that includes a t...

journal_title：Infection and immunity

authors： Blum FC,Przedpelski A,Tepp WH,Johnson EA,Barbieri JT

更新日期：2014-02-01 00:00:00

abstract：:El Tor and non-O1 strains of Vibrio cholerae were analyzed to determine whether synthesis of secreted hemolysin was influenced by the concentration of iron in the medium. Synthesis of hemolysin was found to be iron regulated in both El Tor and non-O1 isolates. Increased levels of hemolytic activity were detected in su...

journal_title：Infection and immunity

authors： Stoebner JA,Payne SM

更新日期：1988-11-01 00:00:00

abstract：:Mice pretreated intraperitoneally with trehalose-6,6'-dimycolate (cord factor) were protected against an intraperitoneal challenge with Salmonella typhi strain Ty2 or Salmonella typhimurium strain SR 11. The nonspecific resistance to S. typhi and S. typhimurium was still detectable 7 and 14 days, respectively, after a...

journal_title：Infection and immunity

authors： Yarkoni E,Bekierkunst A

更新日期：1976-11-01 00:00:00

abstract：:The target organs of infection in guinea pigs with asymptomatic acquired or congenital syphilis were identified by PCR and in some cases by rabbit infectivity test (RIT). The prevalence of Treponema pallidum DNA was examined in the following seven organs: the inguinal and mesenteric lymph nodes, spleen, liver, kidney,...

journal_title：Infection and immunity

authors： Wicher K,Abbruscato F,Wicher V,Baughn R,Noordhoek GT

更新日期：1996-08-01 00:00:00

abstract：:Modification of three or four of the five histidine residues in the toxic shock syndrome toxin 1 (TSST-1) with diethylpyrocarbonate did not inhibit the precipitin reaction of the modified TSST-1 with polyvalent antisera to the toxin. Monoclonal antibody 7T did not react with the modified TSST-1, but monoclonal antibod...

journal_title：Infection and immunity

authors： Kokan-Moore NP,Bergdoll MS

更新日期：1989-07-01 00:00:00

abstract：:Salmonella enterica, a gram-negative pathogen, causes a spectrum of human infections including enterocolitis and typhoid fever. We previously showed that Salmonella flagellin played a role in suppressing intestinal mucosal inflammation in a murine model of acute enterocolitis. In this study, we examined the role of fl...

journal_title：Infection and immunity

authors： Fournier B,Williams IR,Gewirtz AT,Neish AS

更新日期：2009-09-01 00:00:00

abstract：:Inactivated Marek's disease virus-infected chicken kidney cells and inactivated MSB-1 lymphoblastoid Marek's disease tumor cells were used to immunize chickens as virus- and tumor-associated antigens, respectively. Immune and nonimmune birds were then challenged by exposure to live virulent Marek's disease virus. Both...

journal_title：Infection and immunity

authors： Murthy KK,Calnek BW

更新日期：1979-11-01 00:00:00

abstract：:Penetration of the intestinal mucosa at areas of Peyer's patches is an important first step for Salmonella typhimurium to produce lethal systemic disease in mice. However, mutations in genes that are important for intestinal invasion result in only moderately decreased virulence of S. typhimurium for mice. Here we rep...

journal_title：Infection and immunity

authors： Bäumler AJ,Tsolis RM,Valentine PJ,Ficht TA,Heffron F

更新日期：1997-06-01 00:00:00