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[meningoencephalitis due to listeria monocytogenes]. 196314121260
placental pathology. iv. placental lesions of sheep experimentally infected with listeria monocytogenes. 196414125914
the site of specific substances in capsulated organisms. 196414128314
listeria monocytogenes meningitis in the newborn. 196414130647
albamycin-t: an in vitro trial in uganda. 196414133990
[medical treatment of purulent meningitis]. 196414137089
[medical treatment of purulent meningitis]. 196414137090
[effectiveness of different methods of isolating the pathogen of listeriosis from examined material]. 196414138439
human infection caused by listeria monocytogenes. 196414139588
pharmacologic studies of a toxic cellular component of listeria monocytogenes. 196414141521
[the serological characteristics of l. monocytogenes strains isolated from small mammals and blood-sucking arthropods]. 196314151755
["listeria monocytogenes" meningitis in adults. apropos of 4 cases]. 196414156215
the relation between inoculum and zone size in sensitivity tests by the agar diffusion method: with a special view to the importance of prediffusion. 196414162807
bacteriophages of lysogenic strains of listeria monocytogenes. 196414170555
[meningoencephalitis with listeria monocytogenes]. 196414182770
cellular resistance in listeriosis. 196414183398
[interference phenomenon in dysentery bacteria of different species in animal experiments]. 196414187933
[comparative degrees of resistance offered in vitro by macrophages from normal and vaccinated mice to infection by listeria monocytogenes or corynebacterium kutscheri]. 196414190541
on the mechanism of action of tetracycline antibiotics. v. the effect of oxytetracycline on the reduction of triphenyltetrazolium by staphylococci and some other microorganisms. 196414190693
the immunological basis of acquired cellular resistance.the resistance developed by mice during infection with listeria monocytogenes, brucella abortus, or mycobacterium tuberculosis is not specifically directed against the infecting organism. the processes involved in the induction of acquired resistance, however, are highly specific and seem to depend upon two factors: a state of immunological reactivity of the host and the presence of the specific microbial antigens to which the host has become reactive. when these two coexist in the tissues the h ...196414194388
the passive transfer of acquired resistance to listeria monocytogenes.five methods have been used in an effort to reveal an antibody that could account for the features of acquired resistance to listeria monocytogenes: (a) a comparison of the growth rates of listeria in the spleens of mice infused repeatedly with normal or immune mouse serum; (b) measurement of peritoneal clearance of listeria in the presence of normal or immune mouse serum; (c) the survival rate of listeria in monolayers of mouse macrophages infected in the presence of normal or immune mouse seru ...196414194395
[listeria monocytogenes conjunctivitis in the newborn. apropos of 2 cases]. 196414196809
[on some metabolic and cultural characteristics of listeria monocytogenes. ii. arylsulfatase activity of listeria monocytogenes]. 196414199036
[on some metabolic and cultural aspects of listeria monocytogenes. i. phosphatase activity of listeria monocytogenes]. 196414201180
purification of the soluble hemolysins of listeria monocytogenes.jenkins, e. m. (tuskegee institute, tuskegee, ala.), a. n. njoku-obi, and e. w. adams. purification of the soluble hemolysins of listeria monocytogenes. j. bacteriol. 88:418-424. 1964.-a method is described for obtaining relatively purified hemolysin preparations from both virulent and avirulent strains of listeria monocytogenes. these hemolysins are protein in nature as shown by heat lability, nondialyzable properties, precipitation with trichloroacetic acid, and electrophoretic mobility. the h ...196414203359
listeria monocytogenes as a cause of fetal loss. 196414207559
neonatal listeriosis. six case reports and a review of the literature. 196414211104
isolation of listeria monocytogenes from foxes suspected of having rabies. 196414215381
[further increase of listeriosis in bremen]. 196514232241
selective medium for isolation of mima and herellea organisms. 196414234815
[on some metabolic-cultural characteristics of listeria monocytogenes. 3. lipase activity of listeria monocytogenes]. 196414235366
rhombencephalitis due to listera monocytogenes. 196414239092
[bacteriocins]. 196414240523
listeria monocytogenes meningoencephalitis in an adult. 196514245183
listeria monocytogenes in pregnancy: report of case. 196414250112
chemical and immunological composition of surface structures of listeria monocytogenes.osebold, john w. (university of california, davis), ole aalund, and clarence e. chrisp. chemical and immunological composition of surface structures of listeria monocytogenes. j. bacteriol. 89:84-88. 1965.-a proteinlike surface substance was demonstrated on listeria monocytogenes when an explanation was sought for the inagglutinability of some somatic antigens. the serological behavior of live bacteria and organisms subjected to heat, formalin, and trypsin was compared. the agglutination-inhibit ...196514255685
effects of cortisone on susceptibility of mice to listeria monocytogenes. 196514270967
effect of chronic gamma radiation on airborne infection of mice with listeria monocytogenes. 196514272818
volatile fatty acid requirement of a strain of listeria monocytogenes.larson, a. d. (louisiana state university, baton rouge), l. v. hattier, and c. s. mccleskey. volatile fatty acid requirement of a strain of listeria monocytogenes. j. bacteriol. 89:819-824. 1965.-listeria monocytogenes strain 2 requires either isobutyric or 2-methylbutyric acid for growth. elucidation of this requirement began with characterization of the growth-enhancing substance in culture filtrates of aerobacter aerogenes. a. aerogenes required tryptose, glucose, and aerobic conditions for e ...196514273667
[listeria and human listeriosis]. 196414278261
[listeria monocytogenes: 2. technical notes for the serologic study of "listeria monocytogenes"]. 196414279011
[listeria monocytogenes: 3. first researches on the use of trypsinizing antigens]. 196414279012
[listeria monocytogenes: i. on the serologic behavior of "l. monocytogenes". results and problems]. 196414279014
bacterial aortic aneurysm due to listeria monocytogenes: first report of an aneurysm caused by listeria. 196514287792
[listeria monocytogenes: 4. latest research on the use of trypsinized antigens]. 196414289226
[listeria monocytogenes: 5. on some epi demiologic aspects of infections due to "listeria monocytogenes."]. 196414289227
[serological studies on the pathogenetic significance of listeria monocytogenes for infectious mononucleosis]. 196514303899
[on dissociation of listeria]. 196414322790
the production of immuno-conglutinin. ix. in acute bacterial infections. 196514323027
immunofluorescence techniques for demonstrating bacterial pathogens associated with cerebrospinal meningitis. i. clinical evaluation of conjugates on smears prepared directly from cerebrospinal fluid sediments. 196514331108
experimental production of cold agglutinins in rabbits. 196514332059
[apropos of the lability of listeria monocytogenes]. 196414348363
[on some metabolic characteristics of listeria monocytogenes. iv. turbidity of solid media with egg yolk and human serum provoked by listeria monocytogenes]. 196514348527
[serologic study of the strains of listeria monocytogenes isolated in france]. 195514350369
listeria monocytogenes: a study of two strains isolated from human listeriosis. 195414352034
abortion, stillbirth, early death of young in rabbits by listeria monocytogenes. i. ocular instillation. 195514384909
abortion, stillbirth, early death of young in rabbits by listeria monocytogenes. ii. oral exposure. 195514384910
[effect of antibiotics (penicillin, streptomycin, chloronitrin, aureomycin, terramycin) on white mice infected with listeria monocytogenes (pirie)]. 195514386947
a case of meningitis caused by listeria monocytogenes; the first case report of human infection in japan. 195914406007
a case of meningitis caused by listeria monocytogenes. 195914413849
abortion of cattle experimentally with listeria monocytogenes. 196014429204
cattle abortion associated with natural listeria monocytogenes infections. 196014429205
[area irrigated with sewage. its hygienic and sanitary evaluation. studies on the appearance of listeria monocytogenes, erysipelothrix rhusiopathiae and anti-listeria bacteriophages in small rodents from fields irrigated with sewage and sewage water]. 196114451385
meningitis in a child caused by listeria monocytogenes. 196114460722
[detection of listeria monocytogenes with the aid of labeled antibodies]. 196214464818
cellular resistance to infection.the mouse was found to be natively susceptible to listeria monocytogenes. its susceptibility was attributed to the capacity of the organism to survive and multiplying in host macrophages. during the first 3 days of a primary infection the bacterial populations of spleen and liver were found to increase at a constant rate. on the 4th day of infection the host became hypersensitive to listeria antigens and at the same time bacterial growth ceased. a rapid inactivation of the organism ensued. conva ...196214467923
premature labour and still birth resulting from ante-natal infection with listeria monocytogenes. 196214467929
premature labour and still birth resulting from ante-natal infection with listeria monocytogenes. 196214467930
listeria monocytogenes in abortion. 196214468045
serologic typing of listeria monocytogenes by gel diffusion using thermostable antigens. 196214473058
meningitis due to listeria monocytogenes. 196214473952
listeria monocytogenes meningitis. observations based on 13 case reports and a consideration of recent literature. 196214479458
studies on mechanisms of immunity in listeriosis. i. interaction of peritoneal exudate cells from sheep with listeria monocytogenes in vitro. 196214480131
an antigen-fixation test for the serodiagnosis of listeria monocytogenes infections. 196214480132
modifications to the henderson apparatus for studying air-borne infections. evaluations using aerosols of listeria monocytogenes. 196214493304
listeria monocytogenes as a cause of pregnancy wastage. 196214495173
a method for isolation of listeria monocytogenes from feces and other heavily contaminated materials. 196214496902
development of a rapid 1-h fluorescence-based cytotoxicity assay for listeria species.listeria monocytogenes is cytotoxic to the lymphocyte-origin hybridoma ped-2e9 cell line. the relative cytotoxicity can be calculated by assaying the release of alkaline phosphatase (alp) from the infected cell line. in this study, a fluorogenic substrate (4-methylumbelliferyl phosphate, mup) was used to quantify the alp activity. the assay is 3.5-fold more sensitive than the colorimetric-based assay and requires only 1 h to differentiate virulent from avirulent strains. in addition to various l ...200314499993
host resistance of cd18 knockout mice against systemic infection with listeria monocytogenes.mice with targeted mutations of cd18, the common beta2 subunit of cd11/cd18 integrins, have leukocytosis, impaired transendothelial neutrophil emigration, and reduced host defense to streptococcus pneumoniae, a gram-positive extracellular bacterium. previous studies using blocking monoclonal antibodies suggested roles for cd18 and cd11b in hepatic neutrophil recruitment and host innate response to listeria monocytogenes, a gram-positive intracellular bacterium. we induced systemic listeriosis in ...200314500519
genome-scale design of pcr primers and long oligomers for dna microarrays.during the last years, the demand for custom-made cdna chips/arrays as well as whole genome chips is increasing rapidly. the efficient selection of gene-specific primers/oligomers is of the utmost importance for the successful production of such chips. we developed genomepride, a highly flexible and scalable software for designing primers/oligomers for large-scale projects. the program is able to generate either long oligomers (40-70 bases), or pcr primers for the amplification of gene-specific ...200314500820
real-time closed tube single nucleotide polymorphism (snp) quantification in pooled samples by quencher extension (qext).quencher extension (qext) is a novel single step closed tube real-time method to quantify snps using reporters and quenchers in combination with primer extension. a probe with a 5'-reporter dye is single base extended with a dideoxy nucleotide containing a quencher dye if the target snp allele is present. the extension is recorded from the quenching (reduced fluorescence) of the reporter dye. this avoids the influence of the unincorporated dye-labeled nucleotides, resulting in high accuracy and ...200314500845
"effectiveness of electrolyzed acidic water in killing escherichia coli o157:h7, salmonella enteritidis, and listeria monocytogenes on the surfaces of tomatoes," a comment on: j. food prot. 66(4):542-548 (2003). 200314503702
microbiological quality of open ready-to-eat salad vegetables: effectiveness of food hygiene training of management.during september and october 2001, a microbiological study of open, ready-to-eat, prepared salad vegetables from catering or retail premises was undertaken to determine their microbiological quality. the study focused on those salad vegetables that were unwrapped and handled either by staff or customers in the premises where the sample was taken. examination of salad vegetables from food service areas and customer self-service bars revealed that most (97%; 2,862 of 2,950) were of satisfactory or ...200314503709
survival of escherichia coli o157:h7, listeria monocytogenes, and salmonella in juice concentrates.the survival of escherichia coli o157:h7, listeria monocytogenes, and salmonella was studied in apple, orange, pineapple, and white grape juice concentrates and banana puree. pouches of juice concentrate or puree were inoculated with pathogens at a level > or = 10(3) cfu/g and stored at -23 degrees c (-10 degrees f). pathogen survival was monitored at 6 and 24 h, once a week for four consecutive weeks, and biweekly thereafter until 12 weeks. when pathogens were not detectable by direct plating, ...200314503711
thermal inactivation, growth, and survival studies of listeria monocytogenes strains belonging to three distinct genotypic lineages.twenty-one listeria monocytogenes strains belonging to three different genotypic lineages were evaluated for differences between lineages and between individual strains with respect to thermal inactivation, growth, and survival. three sets of heat inactivation conditions (60 degrees c, ph 6.0, and 0.5 m lactate; 55 degrees c, ph 6.0, and 0.5 m lactate; and 50 degrees c, ph 4.0, and 0.5 m lactate) were used on strains grown in modified brain heart infusion (bhi) broth with and without glucose. tw ...200314503714
thermal inactivation of listeria monocytogenes on ready-to-eat turkey breast meat products during postcook in-package pasteurization with hot water.the inactivation of listeria monocytogenes during postcook in-package pasteurization was evaluated for fully cooked turkey breast meat products (4-kg packages). the products were surface-inoculated to contain 10(7) cfu of l. monocytogenes per cm2 of product surface. the inoculated products were vacuum-packaged in different thicknesses (0.08 to 0.33 mm) of packaging films and treated with hot water at 96 degrees c. after heat treatment, the products were immediately cooled in an ice water bath at ...200314503715
prepackage surface pasteurization of ready-to-eat meats with a radiant heat oven for reduction of listeria monocytogenes.in this paper, a thermal process for the surface pasteurization of ready-to-eat (rte) meat products for the reduction of listeria monocytogenes on such products (turkey bologna, roast beef, corned beef, and ham) is described. the process involves the passage of products through a "tunnel" of heated coils on a stainless steel conveyor belt at various treatment times relevant to the manufacture of processed meat for the surface pasteurization of rte meat products. two inoculation procedures, dip a ...200314503716
synergy between nisin and select lactates against listeria monocytogenes is due to the metal cations.listeria monocytogenes, a major foodborne pathogen, has been responsible for many outbreaks and recalls. organic acids and antimicrobial peptides (bacteriocins) such as nisin are produced by lactic acid bacteria and are commercially used to control pathogens in some foods. this study examined the effects of lactic acid (la) and its salts in combination with a commercial nisin preparation on the growth of l. monocytogenes scott a and its nisin-resistant mutant. because of an increase in its activ ...200314503717
inactivation of escherichia coli o157:h7, listeria monocytogenes, and salmonella in cranberry, lemon, and lime juice concentrates.the production of thermally concentrated fruit juices uses temperatures high enough to achieve at least a 5-log reduction of pathogenic bacteria that can occur in raw juice. however, the transportation and storage of concentrates at low temperatures prior to final packaging is a common practice in the juice industry and introduces a potential risk for postconcentration contamination with pathogenic bacteria. the present study was undertaken to evaluate the likelihood of escherichia coli o157:h7, ...200314503718
a pcr method based on 16s rrna sequence for simultaneous detection of the genus listeria and the species listeria monocytogenes in food products.the genus listeria comprises six closely related species, of which only listeria monocytogenes is a human pathogen. the rapid and sensitive detection of l. monocytogenes is important in the food industry as well as in medical diagnosis. in this study, a pcr-based method for the rapid, specific, and sensitive detection of l. monocytogenes in food products was developed. the pcr is based on dna sequences and primer pairs that are found within the 16s subunit of the rrna gene and are specific to th ...200314503721
evaluation of several modifications of an ecometric technique for assessment of media performance.recovery of listeria monocytogenes 101m, jonesia denitrificans, salmonellae, and pediococcus sp. nrrl b-2354 across nine media was evaluated with three modified versions of an ecometric method. two approaches involved the use of broth cultures (10(8) to 10(9) cfu/ml) of individual strains and either large (10-microl) or small (1-microl) presterilized plastic loops. the third approach involved precultured slants and the inoculation of media with presterilized plastic inoculating needles (10(4) cf ...200314503736
the role of human dendritic cells in meningococcal and listerial meningitis.few bacteria are capable of causing infections of the central nervous system (cns), one of the most subtly shielded anatomical structures within the human body. neisseria meningitidis is an important cause of bacterial meningitis and commonly affects otherwise healthy infants and adolescents. in contrast, listeria monocytogenes is a cause of septicaemia and meningitis in neonates and immunocompromised adults. dendritic cells (dcs) provide the physical link between the innate and adaptive immune ...200314503789
characterization of a unique sigma54-dependent pts operon of the lactose family in listeria monocytogenes.the sigma(54) subunit of the rna polymerase directs the expression of specific operons in association with cognate activators. three different activators have been detected in the listeria monocytogenes genome on the basis of the high conservation of a specific domain. among them, the lacr activator, of the levr family, was found just upstream from a newly described sigma(54)-dependent operon, lpo, which presents a classical -24/-12 consensus promoter. the lpo operon encodes proteins similar to ...200314505817
genome and proteome of listeria monocytogenes phage psa: an unusual case for programmed + 1 translational frameshifting in structural protein synthesis.psa is a temperate phage isolated from listeria monocytogenes strain scott a. we report its complete nucleotide sequence, which consists of a linear 37 618 bp dna featuring invariable, 3'-protruding single stranded (cohesive) ends of 10 nucleotides. the physical characteristics were confirmed by partial denaturation mapping and electron microscopy of dna molecules. fifty-seven open reading frames were identified on the psa genome, which are apparently organized into three major transcriptional u ...200314507382
immunological function in mice exposed to jp-8 jet fuel in utero.immunological parameters, host resistance, and thyroid hormones were evaluated in f1 mice exposed in utero to jet propulsion fuel-8 (jp-8). c57bl/6 pregnant dams (mated with c3h/hej males) were gavaged daily on gestation days 6-15 with jp-8 in a vehicle of olive oil at 0, 1000, or 2000 mg/kg. at weaning (3 weeks of age), no significant differences were observed in body, liver, spleen, or thymus weight, splenic and thymic cellularity, splenic cd4/cd8 lymphocyte subpopulations, or t-cell prolifera ...200314514957
in vivo role of ifn-gamma produced by antigen-presenting cells in early host defense against intracellular pathogens.antigen-presenting cells (apc), including dendritic cells and macrophages, produce a large amount of interferon (ifn)-gamma, a crucial cytokine for the control of infectious diseases. to elucidate the role of ifn-gamma from apc in vivo, we employed cytokine receptor common gamma subunit (gamma c) and recombination-activating gene (rag)-2 double-knockout (gamma c(-/-(y))-rag-2(-/-)) mice, which are severely impaired in ifn-gamma production and are extremely susceptible to infection of intracellul ...200314515250
differences in maintenance of cd8+ and cd4+ bacteria-specific effector-memory t cell populations.our knowledge about the kinetics and dynamics of complex pathogen-specific cd8(+) t cell responses and the in vivo development of cd8(+) memory t cells has increased substantially over the past years; in comparison, relatively little is known about the cd4(+) t cell compartment. we monitored and directly compared the phenotypical changes of pathogen (listeria monocytogenes)-specific cd8(+) and cd4(+) t cell responses under conditions leading to effective and long-lasting protective immunity. we ...200314515271
bacterial pathogenesis: exploiting cellular adherence.cell adhesion molecules, such as integrins, cadherins, the immunoglobulin superfamily of cell adhesion molecules and selectins, play important structural roles and are involved in various signal transduction processes. as an initial step in the infectious process, many bacterial pathogens adhere to cell adhesion molecules as a means of exploiting the underlying signaling pathways, entering into host cells or establishing extracellular persistence. often, bacteria are able to bind to cell adhesio ...200314519399
[active surveillance on listeria monocytogenes in seven kinds of food in 11 provinces of china in 2001].to carry out national active surveillance on listeria monocytogenes in foods in china.200314521783
listeria monocytogenes rotates around its long axis during actin-based motility. 200314521850
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