Heat resistance, spore germination, and enterotoxigenicity of Clostridium perfringens.

abstract：:Periapical lesions are induced by bacterial infection of the dental pulp and result in destruction of the surrounding alveolar bone. Although various immunological studies concerning periapical bone resorption have been reported, the role of cytokines in the formation of periapical lesions remains unclear. In this stu...

journal_title：Microbiology and immunology

authors： Oseko F,Yamamoto T,Akamatsu Y,Kanamura N,Iwakura Y,Imanishi J,Kita M

更新日期：2009-05-01 00:00:00

abstract：:Based on the results of a phylogenetic analysis of 16S rRNA and the presence of sphingoglycolipid in cellular lipids of the type strains, transfer of "Rhizomonas" suberifaciens, Blastomonas natatoria and Erythromonas ursincola to the genus Sphingomonas as Sphingomonas suberifaciens (van Bruggen et al 1990) comb. nov.,...

journal_title：Microbiology and immunology

authors： Yabuuchi E,Kosako Y,Naka T,Suzuki S,Yano I

更新日期：1999-01-01 00:00:00

abstract：:Japanese Lyme borrelias classified as ribotype IV is predominant among isolates derived from clinical specimens, reservoir rodents and Ixodes persulcatus ticks, and has been characterized as Borrelia garinii. These B. garinii isolates have antigenic and genetic features apparently different from North American, Europe...

journal_title：Microbiology and immunology

authors： Wang J,Masuzawa T,Komikado T,Yanagihara Y

更新日期：1997-01-01 00:00:00

abstract：:Using a new plaque cloning technique, we obtained unique Chlamydia trachomatis strains which were confirmed to be free of the 7.5-kb common plasmid and glycogen in inclusions. The in vitro susceptibility of these strains to various chemotherapeutic agents was tested by comparison with their parent strains and clinical...

journal_title：Microbiology and immunology

authors： Miyashita N,Matsumoto A,Matsushima T

更新日期：2000-01-01 00:00:00

abstract：:We attempted to detect Coxiella burnetii in dust samples collected from a barn housing dairy cattle by the polymerase chain reaction (PCR) method. Ten dust samples (five from ventilation fans and five from crossbeams) were collected from two areas in a barn on a farm near Sapporo, Hokkaido. C. burnetii was detected in...

journal_title：Microbiology and immunology

authors： Yanase T,Muramatsu Y,Inouye I,Okabayashi T,Ueno H,Morita C

更新日期：1998-01-01 00:00:00

abstract：:The effect of human normal serum (HNS) on Pseudomonas pseudomallei was determined. It is apparent from our data that the organism is resistant to the normal serum bactericidal mechanism. Ancillary experiments to confirm this serum-resistant property of P. pseudomallei were done by examining the effects of growth phase...

journal_title：Microbiology and immunology

authors： Ismail G,Razak N,Mohamed R,Embi N,Omar O

更新日期：1988-01-01 00:00:00

abstract：:An immunoelectron microscopic study was performed to determine the distribution of antigenic components on particles of Chlamydia psittaci and infected cells using a number of monoclonal antibodies (MAbs). Of three anti-lipopolysaccharide (LPS) antibodies (4D5, A2 and 4G5), two antibodies (4D5 and A2) reacted with the...

journal_title：Microbiology and immunology

authors： Ando S,Takashima I,Hashimoto N

更新日期：1992-01-01 00:00:00

abstract：:Interleukin 5 (IL-5), a lymphokine produced by helper T cells, is involved in the regulation of growth and differentiation of B cells and other hematopoietic cells. To elucidate IL-5-mediated intracellular mechanisms, we have established IL-5-dependent and -independent murine early B cell lines, J6 and MJ88-1, respect...

journal_title：Microbiology and immunology

authors： Migita M,Yamaguchi N,Katoh S,Mita S,Matsumoto R,Sonoda E,Tsuchiya H,Matsuda I,Tominaga A,Takatsu K

更新日期：1990-01-01 00:00:00

abstract：:The genus Enhydrobacter, first reported as a member of the family Vibrionaceae, has been placed in the family Moraxellaceae, but as a genus incertae sedis in Bergey's Manual of Systematic Bacteriology 2nd edition. During our taxonomic investigation of Enhydrobacter-like organisms, we observed that the 16S rRNA sequenc...

journal_title：Microbiology and immunology

authors： Kawamura Y,Fujiwara N,Naka T,Mitani A,Kubota H,Tomida J,Morita Y,Hitomi J

更新日期：2012-01-01 00:00:00

abstract：:DNase B is a major nuclease and a possible virulence factor in Streptococcus pyogenes. The allelic diversity of streptococcal DNase B (sdaB) gene was investigated in 83 strains with 14 emm genotypes. Of the 15 alleles identified, 11 alleles carried only synonymous nucleotide substitutions. On the other hand, 4 alleles...

journal_title：Microbiology and immunology

authors： Matsumoto M,Sakae K,Hashikawa S,Torii K,Hasegawa T,Horii T,Endo M,Okuno R,Murayama S,Hirasawa K,Suzuki R,Isobe J,Tanaka D,Katsukawa C,Tamaru A,Tomita M,Ogata K,Ikebe T,Watanabe H,Ohta M,Working Group for Group A S

更新日期：2005-01-01 00:00:00

abstract：:Fifty-eight enterotoxigenic Escherichia coli (ETEC) strains, isolated from children with and without diarrhea in São Paulo, were examined for the presence of colonization factor antigens (CFAs) and their ability to adhere to HeLa cells. Antisera to CFA/I, the coli surface (CS) antigens CS1CS3, CS2CS3, and CS2 of CFA/I...

journal_title：Microbiology and immunology

authors： Guth BE,Aguiar EG,Griffin PM,Ramos SR,Gomes TA

更新日期：1994-01-01 00:00:00

abstract：:Two gram-negative, catalase-negative, oxidase-positive strains (PAGU 1467T and PAGU 1468) isolated from patients with infective endocarditis were investigated to determine their taxonomic status. 16S rRNA gene sequence analysis indicated that the two strains were members of the Bergeyella-Chryseobacterium-Riemerella b...

journal_title：Microbiology and immunology

authors： Tomida J,Fujiwara N,Naka T,Morita Y,Sawabe E,Tojo N,Kikuchi K,Kawamura Y

更新日期：2019-03-01 00:00:00

abstract：:Escherichia coli O157 strains starved in sterile deionized water (SDW) and filter-sterilized natural river water (SRW) were investigated with specific reference to their culturability in selective and non-selective media. Growth of the strains starved in both SDW and SRW were markedly suppressed with time in selective...

journal_title：Microbiology and immunology

authors： Sata S,Osawa R,Asai Y,Yamai S

更新日期：1999-01-01 00:00:00

abstract：:Filamentous phage, fs1, was obtained from Vibrio cholerae O139. The lysogenized strains produced a large amount of fs1 phage in the culture supernatant. This phage was previously reported as novel fimbriae of that organism. The genome of the phage was a 6.5 kb single-stranded DNA. The capsid of fsl consists of a small...

journal_title：Microbiology and immunology

authors： Nakasone N,Honma Y,Toma C,Yamashiro T,Iwanaga M

更新日期：1998-01-01 00:00:00

abstract：:CD4+ cytotoxic T lymphocytes (CTL) clones, YT-4 and YT-9, specific for Toxoplasma gondii (T. gondii)-infected melanoma SK-MEL 28 (P36), were generated from the peripheral blood lymphocytes (PBL) of a patient with chronic toxoplasmosis. These CTL clones were shown to secrete significant amounts of interleukin 6 (IL-6) ...

journal_title：Microbiology and immunology

authors： Yang TH,Aosai F,Norose K,Ueda M,Yano A

更新日期：1996-01-01 00:00:00

abstract：:Distribution of indigenous lactobacilli in the gastrointestinal tracts of rats was investigated at the species level. The indigenous lactobacilli isolated from conventional rats were divided into three groups, Lactobacillus acidophilus and its related strains, L. fermentum, and L. murini. Localization of the Lactobaci...

journal_title：Microbiology and immunology

authors： Watanabe T,Morotomi M,Suegara N,Kawai Y,Mutai M

更新日期：1977-01-01 00:00:00

abstract：:We evaluated the efficacy of three SARS vaccine candidates in a murine SARS model utilizing low-virulence Pp and SARS-CoV coinfection. Vaccinated mice were protected from severe respiratory disease in parallel with a low virus titer in the lungs and a high neutralizing antibody titer in the plasma. Importantly, the ad...

journal_title：Microbiology and immunology

authors： Ishii K,Hasegawa H,Nagata N,Ami Y,Fukushi S,Taguchi F,Tsunetsugu-Yokota Y

更新日期：2009-02-01 00:00:00

abstract：:B. pertussis is a causative agent of whooping cough (pertussis) in humans. Despite wide-scale vaccination in many countries, there is serious concern about pertussis as a re-emerging disease. Re-emergence of pertussis may be explained by several factors: the short duration of protection by the currently available acel...

journal_title：Microbiology and immunology

authors： Abe A,Nagamatsu K,Watanabe M

更新日期：2008-02-01 00:00:00

abstract：:Although chronic fatigue syndrome (CFS) is known to be the syndrome that begins with an acute flu-like illness that may be due to the exposure to an infectious agent, there has been no convincing evidence on the causative agents. Recently, human T-lymphotropic virus type II (HTLV-II)-like virus has been reported to be...

journal_title：Microbiology and immunology

authors： Honda M,Kitamura K,Nakasone T,Fukushima Y,Matsuda S,Nishioka K,Matsuda J,Hashimoto N,Yamazaki S

更新日期：1993-01-01 00:00:00

abstract：:We found that a sub-lethal concentration of hydrogen peroxide (HPOx) enhanced the growth of Helicobacter pylori in Brucella broth supplemented with 10% fetal bovine serum (BB/FBS). The enhancement was evident at 0.1 mM HPOx and reached a maximun at 3.5 mM. The growth stimulation was dependent on the basal media used; ...

journal_title：Microbiology and immunology

authors： Murano A,Miyake M,Kato J,Tanzawa H,Takeo K,Noda M

更新日期：1999-01-01 00:00:00

abstract：:We found a halophilic vibrio in B bile from a 75-year-old female patient with chronic cholecystitis, and examined its biochemical characteristics. The organisms are gram-negative short rods or comma shaped, with some ring forms. They have a single polar flagellum, but not capsule. The strains can grow in peptone water...

journal_title：Microbiology and immunology

authors： Konishi K,Yamagishi T,Sakamoto K

更新日期：1981-01-01 00:00:00

abstract：:A chemotaxonomic study was carried out on 31 strains of non-O1 Vibrio cholerae bio-serogroup Hakata, isolated in Japan, which possesses the Inaba antigen C of O1 V. cholerae. On the basis of the compositional sugar pattern of the polysaccharide portion of their lipopolysaccharides, the 23 strains isolated from the env...

journal_title：Microbiology and immunology

authors： Kondo S,Iguchi T,Haishima Y,Isshiki Y,Hisatsune K

更新日期：1989-01-01 00:00:00

abstract：:Salmonella typhimurium strain 9 produces mini-cells during cell proliferation. Mini-cells are viable but cannot proliferate since they do not contain chromosomal DNA. Effects of whole cells and mini-cells of S. typhimurium on the immune responses were investigated, with the following results. Phagocytosis of peritonea...

journal_title：Microbiology and immunology

authors： Kurashige S,Yoshida T,Kodama K,Mitsuhashi S

更新日期：1981-01-01 00:00:00

abstract：:Human metapneumovirus (hMPV) is one of the etiological agents of acute respiratory tract infections. From June 2005 to May 2006, we collected 185 clinical specimens from children in Osaka City, Japan, and detected 41 hMPV RNA. Of the 41 specimens, four (9.8%) also contained other viruses (3 with adenovirus [AdV] and 1...

journal_title：Microbiology and immunology

authors： Kaida A,Kubo H,Goto K,Shiomi M,Kohdera U,Iritani N

更新日期：2007-01-01 00:00:00

abstract：:No systematic study on serotyping of Enterococcus faecalis has been reported since 1964 when M.E. Sharpe conducted serotyping of group D streptococcus in U.K. So, we attempted to re-evaluate serotyping of E. faecalis. For this purpose, we received 42 Sharpe's strains and first examined for their biochemical characteri...

journal_title：Microbiology and immunology

authors： Maekawa S,Yoshioka M,Kumamoto Y

更新日期：1992-01-01 00:00:00

abstract：:A chimeric PCV1-2 clone containing the PCV2 capsid gene cloned into the backbone of the nonpathogenic PCV1 genome was recently generated based on PCV2 and PCV1 strains isolated in China. The efficacy of this available candidate inactivated vaccine was evaluated by subjecting conventional pigs to intramuscular immuniza...

journal_title：Microbiology and immunology

authors： Xujie L,Xiaobo W,Yi S,Jing F,Song G,Xiufan L

更新日期：2011-04-01 00:00:00

abstract：:The serovar-specific main antigen (TM antigen) of Leptospira interrogans serovar canicola, which as lipopolysaccharide properties, was treated with 0.1 N sodium hydroxide. This treatment degraded the antigen into two major antigenic components, one of high and one of low molecular weight. The component with the lower ...

journal_title：Microbiology and immunology

authors： Tsuji M,Kawaoka Y,Naiki M,Yanagawa R

更新日期：1981-01-01 00:00:00

abstract：:Germfree (GF) F344 rats developed severe adjuvant-induced arthritis with a 100% incidence after a single intradermal injection of heat-killed Mycobacterium bovis (BCG). Specific pathogene-free (SPF) rats developed less severe arthritis with a lower incidence. The rats colonized with Escherichia coli or Bacteroides dev...

journal_title：Microbiology and immunology

authors： Kohashi O,Kohashi Y,Takahashi T,Ozawa A,Shigematsu N

更新日期：1985-01-01 00:00:00

abstract：:Stromal cell-derived factor-1 (SDF-1) is an efficacious chemoattractant for lymphocytes, monocytes and hematopoietic progenitor cells. In the present study, we examined whether SDF-1 has growth promoting activity on human peripheral T cells and analyzed the possible underlying signal transduction pathways. SDF-1 augme...

journal_title：Microbiology and immunology

authors： Yonezawa A,Hori T,Sakaida H,Uchiyama T

更新日期：2000-01-01 00:00:00

abstract：:SCG is a major 6-branched 1,3-beta-D-glucan in Sparassis crispa Fr. SCG shows antitumor activity and also enhances the hematopoietic response in cyclophosphamide (CY)-treated mice. In the present study, the molecular mechanism of the enhancement of the hematopoietic response was investigated. The levels of interferon-...

journal_title：Microbiology and immunology

authors： Harada T,Kawaminami H,Miura NN,Adachi Y,Nakajima M,Yadomae T,Ohno N

更新日期：2006-01-01 00:00:00