Putative Inv is essential for basolateral invasion of Caco-2 cells and acts synergistically with OmpA to affect in vitro and in vivo virulence of Cronobacter sakazakii ATCC 29544.

abstract：:Streptococcus equi is the causative agent of strangles, the most frequently diagnosed infectious disease of horses worldwide. The disease is characterized by abscessation and swelling of the lymph nodes of the head and neck, which can literally strangle the horse to death. S. equi produces four recently acquired phage...

journal_title：Infection and immunity

authors： Paillot R,Robinson C,Steward K,Wright N,Jourdan T,Butcher N,Heather Z,Waller AS

更新日期：2010-04-01 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：:YopE is a virulence factor that is secreted into host cells infected by Yersinia species. The YopE C-terminal domain has GTPase-activating protein (GAP) activity. The YopE N-terminal domain contains an epitope that is an immunodominant CD8(+) T cell antigen during primary infection of C57BL/6 mice with Yersinia pseudo...

journal_title：Infection and immunity

authors： Zhang Y,Mena P,Romanov G,Bliska JB

更新日期：2014-07-01 00:00:00

abstract：:Toxoplasma gondii induces the expression of proinflammatory cytokines, reorganizes organelles, scavenges nutrients, and inhibits apoptosis in infected host cells. We used a cDNA microarray of 420 annotated porcine expressed sequence tags to analyze the molecular basis of these changes at eight time points over a 72-ho...

journal_title：Infection and immunity

authors： Okomo-Adhiambo M,Beattie C,Rink A

更新日期：2006-07-01 00:00:00

abstract：:The immunogenicity of a single dose of a whole-cell vaccine of inactivated Borrelia burgdorferi HSF (human spinal fluid isolate) was evaluated. Syrian hamsters were vaccinated subcutaneously and challenged by the intraperitoneal injection of 1,000 50% infectious doses of B. burgdorferi HSF 30 or 90 days postvaccinatio...

journal_title：Infection and immunity

authors： Johnson RC,Kodner C,Russell M

更新日期：1986-12-01 00:00:00

abstract：:Mice were inoculated with Legionella pneumophila via an intratracheal route to establish an experimental model of infection. Lung lavage fluid obtained from infected mice contained a cytolytic factor identified as tumor necrosis factor (TNF). Peak levels of TNF were produced at about 24 h postinfection and rapidly dec...

journal_title：Infection and immunity

authors： Blanchard DK,Djeu JY,Klein TW,Friedman H,Stewart WE 2nd

更新日期：1987-02-01 00:00:00

abstract：:We purified three proline-rich antimicrobial peptides from elastase-treated extracts of sheep and goat leukocytes and subjected two of them, OaBac5alpha and ChBac5, to detailed analysis. OaBac5alpha and ChBac5 were homologous to each other and to bovine Bac5. Both exhibited potent, broad-spectrum antimicrobial activit...

journal_title：Infection and immunity

authors： Shamova O,Brogden KA,Zhao C,Nguyen T,Kokryakov VN,Lehrer RI

更新日期：1999-08-01 00:00:00

abstract：:We have demonstrated that possession of the gene for thermostable direct hemolysin-related hemolysin (trh) coincides with the presence of the urease gene among clinical Vibrio parahaemolyticus strains and that the location of the two genes are in close proximity on the chromosome. Here, we cloned and sequenced the 15,...

journal_title：Infection and immunity

authors： Park KS,Iida T,Yamaichi Y,Oyagi T,Yamamoto K,Honda T

更新日期：2000-10-01 00:00:00

abstract：:The expression of several virulence determinants of Yersinia pestis is known to be dependent on the in vitro growth temperature. One of these, calcium dependence, is associated with the presence of a 47-megadalton plasmid. We have examined the effects of incubation temperature, calcium in the growth medium, the presen...

journal_title：Infection and immunity

authors： Darveau RP,Charnetzky WT,Hurlbert RF,Hancock RE

更新日期：1983-12-01 00:00:00

abstract：:A periurban outbreak of visceral leishmaniasis (VL) caused by the protozoan Leishmania chagasi is ongoing outside Natal, northeast Brazil. Manifestations range from asymptomatic infection to disseminated visceral disease. Literature reports suggest that both genetic and environmental factors influence the outcome of i...

journal_title：Infection and immunity

authors： Karplus TM,Jeronimo SM,Chang H,Helms BK,Burns TL,Murray JC,Mitchell AA,Pugh EW,Braz RF,Bezerra FL,Wilson ME

更新日期：2002-12-01 00:00:00

abstract：:A study of the rise and fall in circulating tetanus antitoxin in a group of 15 adults after basic and booster immunization indicates that although individuals vary greatly in their responsiveness to toxoid, the falloff in antitoxin appears to be fractionally constant for each individual, and over periods of 5 to 6 yea...

journal_title：Infection and immunity

authors： Trinca JC

更新日期：1974-07-01 00:00:00

abstract：:Pregnancy-associated malaria is a severe clinical syndrome associated with the sequestration of Plasmodium falciparum-infected erythrocytes in the placenta. Placental binding is mediated by VAR2CSA, a member of the large and diverse P. falciparum erythrocyte membrane 1 (PfEMP1) protein family. To better understand if ...

journal_title：Infection and immunity

authors： Avril M,Cartwright MM,Hathaway MJ,Hommel M,Elliott SR,Williamson K,Narum DL,Duffy PE,Fried M,Beeson JG,Smith JD

更新日期：2010-05-01 00:00:00

abstract：:Suppression of the host defense is one of the hallmarks of Yersinia enterocolitica infection. This enteric pathogen resists phagocytosis and interferes with macrophage functions from an extracellular localization (oxidative-burst generation and tumor necrosis factor alpha production). In this study, we investigated th...

journal_title：Infection and immunity

authors： Ruckdeschel K,Roggenkamp A,Lafont V,Mangeat P,Heesemann J,Rouot B

更新日期：1997-11-01 00:00:00

abstract：:Filarial infection is initiated by mosquito-derived third-stage larvae (L3) deposited on the skin that transit through the epidermis, which contains Langerhans cells (LC) and keratinocytes (KC), among other cells. This earliest interaction between L3 and the LC likely conditions the priming of the immune system to the...

journal_title：Infection and immunity

authors： Boyd A,Bennuru S,Wang Y,Sanprasert V,Law M,Chaussabel D,Nutman TB,Semnani RT

更新日期：2013-05-01 00:00:00

abstract：:Comparisons of the course of coccidioidomycosis in two strains of inbred mice established that BALB/c mice are significantly more susceptible to pulmonary infection with Coccidioides immitis than are DBA/2 mice. The susceptibility of BALB/c mice does not reside in their inability to mount a delayed-type hypersensitivi...

journal_title：Infection and immunity

authors： Cox RA,Kennell W,Boncyk L,Murphy JW

更新日期：1988-01-01 00:00:00

abstract：:Subtilase cytotoxin (SubAB) was first isolated from a Shiga toxigenic Escherichia coli (STEC) strain that was responsible for an outbreak of hemolytic-uremic syndrome and is the prototype of a new family of AB(5) cytotoxins. SubAB is a subtilase-like serine protease, and upon uptake by host cells, it is trafficked to ...

journal_title：Infection and immunity

authors： May KL,Paton JC,Paton AW

更新日期：2010-11-01 00:00:00

abstract：:The hallmarks of pulmonary Mycobacterium tuberculosis infection are lung granulomas. These organized structures are composed of host immune cells whose purpose is to contain or clear infection, creating a complex hub of immune and bacterial cell activity, as well as limiting pathology in the lungs. Yet, given cellular...

journal_title：Infection and immunity

authors： Wong EA,Joslyn L,Grant NL,Klein E,Lin PL,Kirschner DE,Flynn JL

更新日期：2018-08-22 00:00:00

abstract：:The chlamydial cryptic plasmid encodes eight putative open reading frames (ORFs), designated pORF1 to -8. Antibodies raised against these ORF proteins were used to localize the endogenous proteins during chlamydial infection. We found that the pORF5 protein (also known as pgp3) was detected mainly in the cytosol of Ch...

journal_title：Infection and immunity

authors： Li Z,Chen D,Zhong Y,Wang S,Zhong G

更新日期：2008-08-01 00:00:00

abstract：:Escherichia coli containing the K1 capsule is the leading cause of gram-negative meningitis, but the pathogenesis of this disease is not completely understood. Recent microarray experiments in which we compared the gene expression profile of E. coli K1 associated with human brain microvascular endothelial cells (HBMEC...

journal_title：Infection and immunity

authors： Parthasarathy G,Yao Y,Kim KS

更新日期：2007-06-01 00:00:00

abstract：:In vivo- and in vitro-grown Mycoplasma hyopneumoniae organisms were inoculated onto newborn piglet tracheal organ cultures to provide a model for interaction of this organism with ciliated respiratory epithelium. Ciliostasis and loss of cilia in tracheal rings were induced by M. hyopneumoniae grown in vivo and with lo...

journal_title：Infection and immunity

authors： DeBey MC,Ross RF

更新日期：1994-12-01 00:00:00

abstract：:Salmonella strains that lack or overproduce DNA adenine methylase (Dam) elicit a protective immune response to different Salmonella species. To generate vaccines against other bacterial pathogens, the dam genes of Yersinia pseudotuberculosis and Vibrio cholerae were disrupted but found to be essential for viability. O...

journal_title：Infection and immunity

authors： Julio SM,Heithoff DM,Provenzano D,Klose KE,Sinsheimer RL,Low DA,Mahan MJ

更新日期：2001-12-01 00:00:00

abstract：:The innate immune response to Pneumocystis infection is not well understood. In this study, normal C57BL/6 mouse alveolar macrophages were found to respond to Pneumocystis murina organisms through Toll-like receptor 2 (TLR2), leading to the nuclear translocation of NF-kappaB and the production of proinflammatory cytok...

journal_title：Infection and immunity

authors： Zhang C,Wang SH,Lasbury ME,Tschang D,Liao CP,Durant PJ,Lee CH

更新日期：2006-03-01 00:00:00

abstract：:The mouse system provides an excellent model for studying host resistance to Naegleria fowleri, the agent of primary amoebic meningoencephalitis. Innate resistance to infection with N. fowleri was examined with respect to infecting dose and the age, sex, and strain of mice. Intravenous inoculation with 10(7) amoebae p...

journal_title：Infection and immunity

authors： Haggerty RM,John DT

更新日期：1978-04-01 00:00:00

abstract：:Recognition of microbial patterns by host receptors is the first step in a multistep sequence leading to neutrophil-dependent host resistance. Although the role of membrane-bound sensors in bacterial recognition has been examined in detail, the importance of cytosolic sensors in the lungs is largely unexplored. In thi...

journal_title：Infection and immunity

authors： Balamayooran T,Batra S,Balamayooran G,Cai S,Kobayashi KS,Flavell RA,Jeyaseelan S

更新日期：2011-11-01 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：:The two enteropathogens Yersinia pseudotuberculosis and Yersinia enterocolitica penetrate eukaryotic cells in vitro through invasin, a surface-exposed protein. In contrast, Yersinia pestis, the causative agent of plague, is unable to enter mammalian cell lines, although the inv gene is present on its chromosome. Altho...

journal_title：Infection and immunity

authors： Simonet M,Riot B,Fortineau N,Berche P

更新日期：1996-01-01 00:00:00

abstract：:Although Streptococcus intermedius and Streptococcus mutans are regarded as members of the commensal microflora of the body, S. intermedius is often associated with deep-seated purulent infections, whereas S. mutans is frequently associated with dental caries. In this study, we investigated the roles of the S. mutans ...

journal_title：Infection and immunity

authors： Petersen FC,Assev S,van der Mei HC,Busscher HJ,Scheie AA

更新日期：2002-01-01 00:00:00

abstract：:The essential role of T cells in the resolution of primary murine Chlamydia trachomatis genital tract infection is inarguable; however, much less is known about the mechanisms that confer resistance to reinfection. We previously established that CD4+ T cells and B cells contribute importantly to resistance to reinfect...

journal_title：Infection and immunity

authors： Morrison SG,Morrison RP

更新日期：2001-04-01 00:00:00

abstract：:Changes in cell viability and in factors affecting metabolic integrity were examined after exposure of Escherichia coli LP1092 to human serum. Antibody-dependent classical pathway activity accounted for the rapid killing of strain LP1092 by complement. Removal of serum lysozyme by bentonite absorption or by neutraliza...

journal_title：Infection and immunity

authors： Taylor PW,Kroll HP

更新日期：1983-01-01 00:00:00

abstract：:The effect of growth temperature on the virulence of a strain of broth-grown serogroup 1 Legionella pneumophila (Wadsworth F889) was examined by growing the bacterium at different temperatures and then infecting guinea pigs (by intratracheal injection) and guinea pig alveolar macrophages. The 50% lethal dose for guine...

journal_title：Infection and immunity

authors： Edelstein PH,Beer KB,DeBoynton ED

更新日期：1987-11-01 00:00:00