abstract：:Bacterial images can be obtained rather easily with an atomic-force microscope (AFM) in the magnification range of 5,000 to 30,000 times without any pretreatment of the specimens for such observations as chemical fixation, dehydration or staining. The bacterial shapes or the presence of flagella can be clearly recogni...

journal_title：Microbiology and immunology

authors： Umeda A,Saito M,Amako K

更新日期：1998-01-01 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：:The 16S toxin was purified from a Clostridium botulinum type D strain 1873 (D-1873). Furthermore, the entire nucleotide sequences of the genes coding for the 16S toxin were determined. It became clear that the purified D-1873 16S toxin consists of neurotoxin, nontoxic nonhemagglutinin (NTNH), and hemagglutinin (HA), a...

journal_title：Microbiology and immunology

authors： Nakajima H,Inoue K,Ikeda T,Fujinaga Y,Sunagawa H,Takeshi K,Ohyama T,Watanabe T,Inoue K,Oguma K

更新日期：1998-01-01 00:00:00

abstract：:The immunostimulatory effect of intragastrically or parenterally administered beta-(1-->3; 1-->4) glucan, extracted from oats (ObetaG), on disease resistance to Eimeria vermiformis was studied in C57BL/6 mice. Multiple administrations of ObetaG by intragastric or subcutaneous routes reduced fecal oocyst shedding compa...

journal_title：Microbiology and immunology

authors： Yun CH,Estrada A,Van Kessel A,Gajadhar A,Redmond M,Laarveld B

更新日期：1998-01-01 00:00:00

abstract：:In order to count Clostridium tyrobutyricum spores in milk after membrane filtration, murine 21E7-B12 monoclonal antibody was produced. Elution of the monoclonal antibody from this antigen, the flagellar filament protein, by carbohydrate ligands was used to study the epitope structure. A competitive elution of an anti...

journal_title：Microbiology and immunology

authors： Bédouet L,Arnold F,Robreau G,Batina P,Talbot F,Malcoste R

更新日期：1998-01-01 00:00:00

abstract：:The Fr/V and Oc/V sibling viruses of the Osaka-1 strain of the subacute sclerosing panencephalitis (SSPE) virus were defective in cell-free virus production. By radioimmunoprecipitation assay, the matrix (M) protein was not detected in cells persistently infected with the Osaka-1 strain. This undetectable expression w...

journal_title：Microbiology and immunology

authors： Ayata M,Hayashi K,Seto T,Murata R,Ogura H

更新日期：1998-01-01 00:00:00

abstract：:Cauliflower mosaic virus (CaMV) open reading frame (ORF) VI product (P6) has been shown to be the major constituent of viral inclusion body, to function as a post-transcriptional transactivator, and to be essential for infectivity on whole plants. Although these findings suggest that P6 has an important role in viral ...

journal_title：Microbiology and immunology

authors： Kobayashi K,Tsuge S,Nakayashiki H,Mise K,Furusawa I

更新日期：1998-01-01 00:00:00

abstract：:Intestinal intraepithelial T cells (IELs) expressing either gammadelta TCR or alphabeta TCR have been proposed to play an important role in the regulation of intestinal epithelia by producing cytokines that directly influence the adjoining intestinal epithelial cell (IEC) functions. To illuminate this issue, we utiliz...

journal_title：Microbiology and immunology

authors： Kohyama M,Hachimura S,Nanno M,Ishikawa H,Kaminogawa S

更新日期：1997-01-01 00:00:00

abstract：:RobA is a member of the XylS/AraC subfamily of DNA binding proteins, and when overexpressed, it induces multiple antibiotic resistance in Escherichia coli. In this study, we introduced a multicopy robA plasmid (pMEP1) and its derivative into OmpF mutants and an AcrAB-deficient mutant. We found that a decrease in susce...

journal_title：Microbiology and immunology

authors： Tanaka T,Horii T,Shibayama K,Sato K,Ohsuka S,Arakawa Y,Yamaki K,Takagi K,Ohta M

更新日期：1997-01-01 00:00:00

abstract：:Alkaline phosphatase-conjugated oligonucleotide probes were developed to detect the gene coding for Vero toxin 1 (VT1) and Vero toxin 2 (VT2). Using these probes, 3 hr was enough to detect VT genes when suspicious colonies of enterohaemorrhagic Escherichia coli (EHEC) were obtained on an agar plate. The results of a h...

journal_title：Microbiology and immunology

authors： Yoh M,Takagi K,Eda J,Ohtomo M,Takarada Y,Shibata S,Honda T

更新日期：1997-01-01 00:00:00

abstract：:Diarrheal diseases are major causes of morbidity and mortality among children in developing countries. We have analyzed the causative agents of diarrhea in children under five years of age who resided in rural environments but attended a hospital in Malindi, a coastal town in Kenya. Bacterial diarrhea was found in 239...

journal_title：Microbiology and immunology

authors： Saidi SM,Iijima Y,Sang WK,Mwangudza AK,Oundo JO,Taga K,Aihara M,Nagayama K,Yamamoto H,Waiyaki PG,Honda T

更新日期：1997-01-01 00:00:00

abstract：:Sixty-eight sera from the acute, recurrent, and provoked types of female genital herpes were compared for the seroprevalence of herpes simplex virus (HSV) types 1 and 2 by immunodot assay using HSV glycoprotein G. In the HSV-1-isolated patients, no HSV-2 antibodies were detected, whereas in the HSV-2-isolated patients...

journal_title：Microbiology and immunology

authors： Hashido M,Lee FK,Nahmias AJ,Kawana T

更新日期：1997-01-01 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：:An environmental isolate of V. mimicus, strain E-33, has been reported to produce and secrete a hemolysin of 63 kDa. The hemolysin is enterotoxic in test animals. The nucleotide sequence of the structural gene of the hemolysin was determined. We found a 2,232 bp open reading frame, which codes a peptide of 744 amino a...

journal_title：Microbiology and immunology

authors： Rahman MM,Miyoshi S,Tomochika K,Wakae H,Shinoda S

更新日期：1997-01-01 00:00:00

abstract：:A monoclonal antibody (MoAb) to human neutrophils, designated 3H9, was established by screening for the inhibition of neutrophil adherence to plastic plates containing a medium supplemented with fetal calf serum (FCS medium). The antigen recognized by 3H9 was shown to be present on human leukocytes and found at the hi...

journal_title：Microbiology and immunology

authors： Ohtake K,Takei H,Watanabe T,Sato Y,Yamashita T,Sudo K,Kuroki M,Chihara J,Sendo F

更新日期：1997-01-01 00:00:00

abstract：:To determine the infection source of a sporadic Legionella pneumonia case associated with a hot spring bath, we used five molecular methods, including repetitive element polymerase chain reaction (rep-PCR), arbitrarily primed PCR (AP-PCR), ribotyping, restriction endonuclease analysis (REA), and macrorestriction endon...

journal_title：Microbiology and immunology

authors： Miyamoto H,Jitsurong S,Shiota R,Maruta K,Yoshida S,Yabuuchi E

更新日期：1997-01-01 00:00:00

abstract：:Leptospire lipopolysaccharide (LPS) stimulated the adherence of polymorphonuclear neutrophils (PMNs) to human umbilical vein endothelial cells (HUVEC). Enhanced PMN adherence in response to leptospire LPS can be mediated by platelet-activator-factor (PAF), because a PAF antagonist reduced adherence. Leptospire LPS als...

journal_title：Microbiology and immunology

authors： Isogai E,Hirose K,Kimura K,Hayashi S,Kubota T,Fujii N,Isogai H

更新日期：1997-01-01 00:00:00

abstract：:To investigate cellular components incorporated into the rabies virion, monoclonal antibodies (MAbs) were screened based on their reactivity with additional virion components. Two of the MAbs we prepared recognized a virion-associated 21 kDa polypeptide (referred to as VAP21) from a BHK-21 cell. Since the MAbs precipi...

journal_title：Microbiology and immunology

authors： Sagara J,Tochikura TS,Yamamoto T,Tsukita S,Tsukita S,Kawai A

更新日期：1997-01-01 00:00:00

abstract：:To clarify the humoral immunity in herpes simplex virus (HSV) infection, HSV-specific IgM, IgA and IgG subclass antibody responses were studied in patients with genital herpes: 17 primary, 13 recurrent and 6 nonprimary first episode. A total of 181 serum samples serially collected from the patients, 5 per patient unti...

journal_title：Microbiology and immunology

authors： Hashido M,Kawana T

更新日期：1997-01-01 00:00:00

abstract：:The incidence of infection by Actinobacillus actinomycetemcomitans, one of the important pathogens in human periodontal diseases, has been reported to be associated with racial background and genetic factors. We attempted to determine the genetic regulation of immune responses to A. actinomycetemcomitans fimbriae, an ...

journal_title：Microbiology and immunology

authors： Honma K,Ishii N,Kato T,Ishihara K,Okuda K,Okuda K

更新日期：1997-01-01 00:00:00

abstract：:To study the role of Moraxella (subgenus Branhamella) catarrhalis (B. catarrhalis) adherence to airway cells in lower respiratory tract infections, the in vitro attachments of B. catarrhalis to upper airway (oropharyngeal) and lower airway (bronchial) epithelial cells were compared. The adherence of 4 strains (1 nonfi...

journal_title：Microbiology and immunology

authors： Rikitomi N,Ahmed K,Nagatake T

更新日期：1997-01-01 00:00:00

abstract：:A clinical isolate of herpes simplex virus 1 (TN-1) from a stromal keratitis patient was found to be defective in the glycoprotein C (gC) gene (UL44), thus resulting in the production of truncated gC upon infection. To study the pathogenetic role of truncated gC, we prepared a recombinant LTN-8 derived from TN-1 with ...

journal_title：Microbiology and immunology

authors： Minagawa H,Liu Y,Yoshida T,Hidaka Y,Toh Y,Mori R

更新日期：1997-01-01 00:00:00

abstract：:Clostridium perfringens KZ1340 isolated from Antarctic soil was first classified as Clostridium plagarum and later as a lecithinase-negative variant of C. perfringens. Although the strain produced no detectable lecithinase (phospholipase C, PLC) activity in the culture supernatant, it was shown by Southern blot hybrid...

journal_title：Microbiology and immunology

authors： Kameyama K,Matsushita O,Katayama S,Minami J,Maeda M,Nakamura S,Okabe A

更新日期：1996-01-01 00:00:00

abstract：:Clostridium perfringens KZ1340, previously classified as Clostridium plagarum, is an isolate from Antarctic soil, and was identified as an alpha-, theta-, and kappa-toxin non-producing variant. On Southern hybridization, the variant was found to be defective in the pfoA (theta-toxin) gene, but the plc (alpha-toxin) an...

journal_title：Microbiology and immunology

authors： Shimizu T,Ohtani K,Ba-Thein W,Inui S,Nakamura S,Hayashi H

更新日期：1996-01-01 00:00:00

abstract：:Previous studies have demonstrated that the murine monoclonal antibody (MoAb) NM-01 activates the human complement classical pathway resulting in lysis of human immunodeficiency virus (HIV). The present study was performed to determine the availability of the V3-loop of gp120 relative to the complement regulatory prot...

journal_title：Microbiology and immunology

authors： Nakamura M,Okada H,Sasaki H,Yoshida K,Kamada M,Okada N,Terada M,Ohno T

更新日期：1996-01-01 00:00:00

abstract：:Vibrio hollisae strains isolated recently from patients in various locations were examined for the presence of the thermostable direct hemolysin gene (tdh) using nucleic acid hybridization and polymerase chain reaction assays. The results were consistent with the previous finding that all strains of V. hollisae carry ...

journal_title：Microbiology and immunology

authors： Nishibuchi M,Janda JM,Ezaki T

更新日期：1996-01-01 00:00:00

abstract：:Five groups of 32 chemicals were examined regarding their immunological functions as modifier inactivants to make inactivated Sendai nasal vaccine using a contact exposure experiment, direct immunofluorescent method, and serum HI titer. (1) Five of the nine reactive groups of reactive dyes (2-chloropyridine, 2, 4, 6-t...

journal_title：Microbiology and immunology

authors： Miyamae T

更新日期：1996-01-01 00:00:00

abstract：:We investigated here the kinetics of natural killer (NK) cells and extrathymic T cells, which include intermediate CD3 cells and gamma delta T cells, in the cord factor-induced granulomatous inflammation of the lungs and liver. In Balb/c mice, pulmonary inflammation elevated the proportion of NK cells and that of extr...

journal_title：Microbiology and immunology

authors： Tabata A,Kaneda K,Watanabe H,Abo T,Yano I

更新日期：1996-01-01 00:00:00

abstract：:We developed a rapid and simple method for the screening of antiviral agents against herpes simplex virus (HSV) in a model of gastrointestinal herpetic infection in vitro. This method was based on inhibition of HSV-induced cytopathogenicity in gastric adenocarcinoma MKN-28 cells, as monitored by an MTT colorimetric as...

journal_title：Microbiology and immunology

authors： Kodama E,Igarashi A,Mori S,Hashimoto K,Suzuki T,De Clercq E,Shigeta S

更新日期：1996-01-01 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：:In order to elucidate the molecular characteristics of Japanese encephalitis (JE) virus in Okinawa, 23 strains of JE virus isolated in a 25-year span were sequenced for the 240 nucleotides of the C-preM junction region and 111 nucleotides of the E gene region and compared with those of reference strains isolated in ma...

journal_title：Microbiology and immunology

authors： Ma SP,Arakaki S,Makino Y,Fukunaga T

更新日期：1996-01-01 00:00:00

abstract：:The colH gene encoding 116-kDa collagenase of Clostridium histolyticum (cColH) was cloned into an Escherichia coli-Bacillus subtilis shuttle vector to develop a method for purification of recombinant collagenase (rColH). When plasmid pJCM310 containing the colH gene was introduced into B. subtilis DB104 and the transf...

journal_title：Microbiology and immunology

authors： Jung CM,Matsushita O,Katayama S,Minami J,Ohhira I,Okabe A

更新日期：1996-01-01 00:00:00

abstract：:Herpes simplex virus type 1 (HSV-1) was reactivated more rapidly in cells of latently infected mouse trigeminal ganglia which were cultured in serum-free medium (after 3.7 days of cultivation) than in those cultured in serum-containing Dulbecco's modified Eagle's medium (after 8.5 days of cultivation). The concentrati...

journal_title：Microbiology and immunology

authors： Kimura S

更新日期：1996-01-01 00:00:00

abstract：:A 9.8-kbp DNA fragment which contained a neurotoxin gene and its upstream region was cloned from Clostridium botulinum type D strain CB-16. Nucleotide sequencing of the fragment revealed that genes encoding for hemagglutinin (HA) subcomponents and one for a nontoxic-nonhemagglutinin (NTNH) component were located upstr...

journal_title：Microbiology and immunology

authors： Ohyama T,Watanabe T,Fujinaga Y,Inoue K,Sunagawa H,Fujii N,Inoue K,Oguma K

更新日期：1995-01-01 00:00:00

abstract：:We found that mycoplasma-infected cells have a higher ability to metastasize in vivo than non-mycoplasma-infected cells. To investigate this phenomenon, we obtained a monoclonal antibody, MAb 243-5, by immunization with Mycoplasma arginini-infected RPMI 4788 cells. This MAb recognized a mycoplasmal protein with an MW ...

journal_title：Microbiology and immunology

authors： Ushio S,Iwaki K,Taniai M,Ohta T,Fukuda S,Sugimura K,Kurimoto M

更新日期：1995-01-01 00:00:00

abstract：:Exocellular proteases produced by Vibrio fluvialis, V. furnissii, V. metschnikovii and V. campbellii were characterized and compared to those of V. mimicus protease (VMP) and V. vulnificus protease (VVP). These proteases possessed both elastolytic and hemagglutinating abilities and were identified, except that of V. m...

journal_title：Microbiology and immunology

authors： Alam M,Miyoshi S,Shinoda S

更新日期：1995-01-01 00:00:00

abstract：:A cholera-like enterotoxin was purified from Vibrio cholerae O139 strain AI-1841 isolated from a diarrheal patient in Bangladesh. Its characteristics were compared with that of cholera toxins (CTs) of classical strain 569B and El Tor strain KT25. Al-1841 produced as much toxin as O1 strains. The toxins were indistingu...

journal_title：Microbiology and immunology

authors： Nakashima K,Eguchi Y,Nakasone N

更新日期：1995-01-01 00:00:00

abstract：:A murine monoclonal antibody recognizing (1-->6)-beta-D-glucopyranosyl laminaritriose (G4) was prepared by immunizing BALB/c mice with G4-bovine serum albumin conjugate and fusing the splenocytes with mouse myeloma cells. The monoclonal antibody (IgM) provoked by the cloned cells showed low reactivity with schizophyll...

journal_title：Microbiology and immunology

authors： Hirata A,Komoda M,Itoh W,Tabata K,Sugawara I

更新日期：1995-01-01 00:00:00

abstract：:The amino acid sequence of the principal neutralizing determinant (PND) of 224 cases of human immunodeficiency virus type 1 (HIV-1) was determined and the most frequently occurring sequence was used as a peptide antigen for studying virus-specific antibody responses. In our present study, a linear peptide of the most ...

journal_title：Microbiology and immunology

authors： Bukawa H,Fukushima J,Hamajima K,Kimura M,Tsuji T,Xin KQ,Okuda K

更新日期：1995-01-01 00:00:00

abstract：:Cell-mediated immune response to Japanese encephalitis virus (JEV) and its purified envelope (E) protein was measured in 45 laboratory confirmed JE patients using a proliferation assay of peripheral blood mononuclear cells (PBMC). In parallel, JEV-specific IgM antibodies were measured by ELISA. No correlation was obse...

journal_title：Microbiology and immunology

authors： Desai A,Ravi V,Chandramuki A,Gourie-Devi M

更新日期：1995-01-01 00:00:00