Characterization of nontoxic-nonhemagglutinin component of the two types of progenitor toxin (M and L) produced by Clostridium botulinum type D CB-16.

abstract：:We observed the effects of a chinese herb medicine Sho-saiko-to on the lethal and antitumor activities of recombinant human tumor necrosis factor (rhTNF) administered in mice. Sho-saiko-to was noted to protect the rhTNF-induced lethality in galactosamine-hypersensitized mice, and also Sho-saiko-to pretreated mice was ...

journal_title：Microbiology and immunology

authors： Sakaguchi S,Tutumi E,Yokota K,Furusawa S,Sasaki K,Takayanagi Y

更新日期：1991-01-01 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：:Opaque (Op) and translucent (Tr) colonial variants were isolated from Vibrio vulnificus strains. Op-type variants were more resistant than the isogenic Tr-type variants, but the survival rate of the Op-type variants varied with the strains. Antisera were prepared by immunizing rabbit with whole cells of Op and Tr vari...

journal_title：Microbiology and immunology

authors： Shinoda S,Kobayashi M,Yamada H,Yoshida S,Ogawa M,Mizuguchi Y

更新日期：1987-01-01 00:00:00

abstract：:It has been suggested that infectious entry of rubella virus (RV) is conducted by receptor mediated endocytosis. To explore the cellular entry mechanism of RV, inhibitory effects of drugs affecting various endocytic pathways on RV entry into VeroE6 cells were analyzed. Results showed that RV infectious entry into Vero...

journal_title：Microbiology and immunology

authors： Kee SH,Cho EJ,Song JW,Park KS,Baek LJ,Song KJ

更新日期：2004-01-01 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：: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：:The effects of added maltose on the activities of a preparation of crude glucosyltransferases (GTases) and purified dextransucrase (DS) were investigated to elucidate the inhibition mechanism of maltose on the synthesis of water-insoluble glucan (ISG) in Streptococcus mutans HS-6. Tri- and tetra-saccharides produced b...

journal_title：Microbiology and immunology

authors： Fukui K,Moriyama T

更新日期：1983-01-01 00:00:00

abstract：:The concept of superantigens is well-known and widely accepted. In this brief communication, we analyze the behaviour of antigen-presenting cells after T-cell activation by staphylococcal enterotoxin B, a representative superantigen. We tried to activate murine T cells by inflammatory mouse peritoneal macrophage in th...

journal_title：Microbiology and immunology

authors： Sakurada J,Tajima A,Shinji H,Seki K,Masuda S

更新日期：2000-01-01 00:00:00

abstract：:The Wilms' tumor gene WT1 is overexpressed in various types of solid tumors, including lung and breast cancer and WT1 protein is a tumor antigen for these malignancies. In phase I clinical trials of WT1 peptide-based cancer immunotherapy, two patients with advanced lung cancer were intradermally injected with 0.3 mg o...

journal_title：Microbiology and immunology

authors： Tsuboi A,Oka Y,Osaki T,Kumagai T,Tachibana I,Hayashi S,Murakami M,Nakajima H,Elisseeva OA,Fei W,Masuda T,Yasukawa M,Oji Y,Kawakami M,Hosen N,Ikegame K,Yoshihara S,Udaka K,Nakatsuka S,Aozasa K,Kawase I,Sugiyama H

更新日期：2004-01-01 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：:Butanol-extracted water-soluble adjuvant (Bu-WSA) obtained from Bacterionema matruchotii was cultured with peripheral blood mononuclear cells (PBM) in the presence of sub- and/or supra-optimal mitogenic concentrations of concanavalin A (Con A). The addition of Bu-WSA resulted in increased tritiated thymidine incorpora...

journal_title：Microbiology and immunology

authors： Nitta T,Okumura S,Tsushi M,Nakano M

更新日期：1982-01-01 00:00:00

abstract：:A novel combination of antimicrobial agents (sulfamethoxazole, 40 μg/mL; trimethoprim, 20 μg/mL; amphotericin B, 5 μg/mL; fosfomycin, 400 μg/mL; and 5-fluorouracil, 100 μg/mL) was developed for selective isolation of leptospires from contaminated samples. The growth of 16 microorganisms considered as possible contamin...

journal_title：Microbiology and immunology

authors： Chakraborty A,Miyahara S,Villanueva SY,Saito M,Gloriani NG,Yoshida S

更新日期：2011-07-01 00:00:00

abstract：:The botulinum neurotoxin light chain (BoNT-LC) is a zinc-dependent metalloprotease that cleaves neuronal SNARE proteins such as SNAP-25, VAMP2, and Syntaxin1. This cleavage interferes with the neurotransmitter release of peripheral neurons and results in flaccid paralysis. SNAP, VAMP, and Syntaxin are representative o...

journal_title：Microbiology and immunology

authors： Yamamoto H,Ida T,Tsutsuki H,Mori M,Matsumoto T,Kohda T,Mukamoto M,Goshima N,Kozaki S,Ihara H

更新日期：2012-04-01 00:00:00

abstract：:A cytotoxic T lymphocyte (CTL) response to dengue virus-infected target cells is described. Effector cells were generated in an in vitro secondary culture and appeared to be T cells possessing both the Lyt 1.1 and Lyt 2.1 surface antigens. A stronger CTL response was noted with the H-2k haplotype compared to H-2d, and...

journal_title：Microbiology and immunology

authors： Pang T,Devi S,Blanden RV,Lam SK

更新日期：1988-01-01 00:00:00

abstract：:The function of MHC class II HLA-DR molecules expressed on a human B lymphoid progenitor cell line FL8.2.4.4 (abbreviated as FL4.4) was examined. FL4.4 cells expressed HLA-DR molecules and stimulation of the DR molecules by anti-DR mAb or by superantigen TSST-1 induced strong augmentation of homocytic aggregation and ...

journal_title：Microbiology and immunology

authors： Naitoh K,Ichigi Y,Miyake K,Muraguchi A,Kimoto M

更新日期：1994-01-01 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：:We cloned and sequenced two new Verotoxin 2 (VT2) variant genes: one from an Escherichia coli strain from a case of bovine diarrhea and the other from an E. coli strain from a patient with diarrhea. The nucleotide and amino acid sequences of these two genes were highly homologous with, but distinct from those of the V...

journal_title：Microbiology and immunology

authors： Lin Z,Yamasaki S,Kurazono H,Ohmura M,Karasawa T,Inoue T,Sakamoto S,Suganami T,Takeoka T,Taniguchi Y

更新日期：1993-01-01 00:00:00

abstract：:Escherichia coli isolates from calves with diarrhea (1 day to 8 weeks old, 140 individuals) were surveyed for the three immunologically distinct fimbrial adhesins FY, 31A, and K99. Of a total of 1,370 strains isolated, 96 (7.0%), 34 (2.5%), 75 (5.5%), and 13 (0.9%) were identified as FY+, 31A+, FY+.31A+, and K99+, res...

journal_title：Microbiology and immunology

authors： Shimizu M,Sakano T,Yamamoto J,Kitajima K

更新日期：1987-01-01 00:00:00

abstract：:Proteus mirabilis is commonly associated with complicated UTI and expresses several virulence factors, including MR/P fimbriae. In the present study mice were immunised nasally with MrpA, the structural subunit of MR/P, with or without CT as a mucosal adjuvant. The animals were then challenged with P. mirabilis and in...

journal_title：Microbiology and immunology

authors： Scavone P,Rial A,Umpierrez A,Chabalgoity A,Zunino P

更新日期：2009-04-01 00:00:00

abstract：:A chemotaxonomic study was carried out with a new serotyping scheme comprising 35 O-antigen groups of Vibrio fluvialis on the basis of the sugar composition of the polysaccharide portion of their lipopolysaccharide (LPS). A previously developed rapid method of preparing samples for compositional sugar analysis was emp...

journal_title：Microbiology and immunology

authors： Iguchi T,Kondo S,Hisatsune K

更新日期：1993-01-01 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：: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：:A human T cell hybridoma clone, F5, producing high levels of macrophage migration inhibitory factor (MIF) was established by the emetine-actinomycin D selection method. This clone produced two species of MIF which were separated on a Phenyl Sepharose column. We purified MIF-2 (the more hydrophobic species of the two) ...

journal_title：Microbiology and immunology

authors： Hirose S,Ooki S,Higuchi M,Osawa T

更新日期：1991-01-01 00:00:00

abstract：:Both cluster of differentiation (CD)4(+) and CD8(+) T lymphocytes play key roles in immunity to Brucella, in part because they secrete interferon (IFN)-γ and activate bactericidal functions in macrophages. Therefore, use of markers of macrophage activation may have diagnostic and prognostic significance. High-mobili...

journal_title：Microbiology and immunology

authors： Ayarcı AO,Yılmaz E,Sığırlı D,Budak F,Göral G,Oral HB

更新日期：2013-02-01 00:00:00

abstract：:Temperature dependence of transfer was examined with ten R plasmids originating from clinical isolates of Salmonella. Six of the plasmids were thermosensitive upon transfer, five of which were originally harbored in S. typhimurium and the remaining one in S. derby. One of these plasmids, pNR502, which conferred resist...

journal_title：Microbiology and immunology

authors： Yoshida Y,Terawaki Y,Nakaya R

更新日期：1978-01-01 00:00:00

abstract：:Because cytotoxic T lymphocytes (CTLs) play an important role in the specific immunotherapy of hepatitis C virus (HCV) infection, a series of CTL epitopes has been defined from HCV genotype 1a or 1b protein. Here, we attempted to identify HCV2a-derived epitopes that are capable of inducing HLA-A2-restricted and peptid...

journal_title：Microbiology and immunology

authors： Wang Y,Takao Y,Harada M,Yutani S,Ide T,Sata M,Itoh K,Yamada A

更新日期：2006-01-01 00:00:00

abstract：:Oral administration of adenovirus strain K87 to BALB/c nude mice resulted in viral proliferation in the intestinal tract up to around week 6 at which point replication was suppressed. In other words, the host acquired resistance. However, this resistance was temporary and the viral infection persisted over a long peri...

journal_title：Microbiology and immunology

authors： Umehara K,Hirakawa M,Hashimoto K

更新日期：1984-01-01 00:00:00

abstract：:Inhibition of hemagglutinin (HA) activity in a membrane fraction of Bacteroides gingivalis was examined using various compounds. Leupeptin and anti-pain inhibited the HA activity at nM order. This potency was lost when the aldehyde group of leupeptin was converted to an alcohol moiety. Irreversible protease inhibitors...

journal_title：Microbiology and immunology

authors： Nishikata M,Yoshimura F,Nodasaka Y

更新日期：1989-01-01 00:00:00

abstract：:Interferon stimulated gene 15 (ISG15), an ubiquitin cross-reactive protein, can conjugate to target proteins. Unlike ubiquitination, protein modification by ISG15 does not target protein for degradation, but enhances the cellular response to interferon (IFN), which plays a key role in antiviral responses. In this stud...

journal_title：Microbiology and immunology

authors： Yang L,Zhang LY,Wang C,Wang B,Wang XM,Zeng SM

更新日期：2012-03-01 00:00:00

abstract：:Although the RC-HL strain of rabies virus is avirulent in adult mice, the amino acid at position 333 of its G protein is arginine, which is thought to be necessary for virulence in adult mice upon intracerebral inoculation of the virus. This result suggests that besides arginine at position 333, some other positions o...

journal_title：Microbiology and immunology

authors： Ito H,Minamoto N,Watanabe T,Goto H,Rong LT,Sugiyama M,Kinjo T,Mannen K,Mifune K,Konobe T

更新日期：1994-01-01 00:00:00