Studies on the sulfite reduction test for clostridia.

abstract：:Effects of each of three indigenous Lactobacillus groups on other bacterial populations were separately investigated in gnotobiotic rats. In the wall of the non-glandular part of the stomach, contents of the stomach and contents of the upper part of the small intestine, some pre-associated indigenous bacteria were red...

journal_title：Microbiology and immunology

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

更新日期：1977-01-01 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：: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：:Of the various virulence mechanisms of the opportunistic pathogen Pseudomonas aeruginosa, the type III secretion system (TTSS) has been characterized as a major factor associated with acute lung injury, bacteremia and mortality. In addition, PcrV, a component protein of the TTSS, has been characterized as a protective...

journal_title：Microbiology and immunology

authors： Yasumoto H,Katoh H,Kinoshita M,Shimizu M,Hamaoka S,Akiyama K,Naito Y,Sawa T

更新日期：2016-02-01 00:00:00

abstract：:Measles vaccines are highly effective and safe; however, the mechanism(s) underlying their attenuation has not been well understood. In this study, type I IFNs (IFN-α and IFN-β) induction in macaques infected with measles virus (MV) strains was examined. Type I IFNs were not induced in macaques infected with wild-type...

journal_title：Microbiology and immunology

authors： Van Nguyen N,Kato SI,Nagata K,Takeuchi K

更新日期：2016-07-01 00:00:00

abstract：:The standard products of V(D)J recombination of immunoglobulin and T cell receptor genes are two kinds of DNA junction, a coding joint and a signal joint. TCR delta V-D and D-D signal joints in adult mouse thymocytes were sequenced following PCR amplification. We observed differential nucleotide insertions at the V de...

journal_title：Microbiology and immunology

authors： Kanari Y,Muto M,Yamagishi H

更新日期：2003-01-01 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：: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：:Hepatitis C virus (HCV) non-structural protein 5B (NS5B) is an RNA replicase. We expressed full-length NS5B (591 amino acid residues) in Escherichia coli as a fusion protein with maltose binding protein (MBP-NS5B). MBP-NS5B was recovered in the soluble fraction after centrifugation at 40,000 x g and affinity-purified ...

journal_title：Microbiology and immunology

authors： Tanaka T,Sugiyama K,Ikeda M,Naganuma A,Nozaki A,Saito M,Shimotohno K,Kato N

更新日期：2000-01-01 00:00:00

abstract：:The production from murine resident peritoneal macrophages (M phi) of a soluble factor, which was capable of enhancing the antigen-presenting (AP) function of dendritic cells (DC), was examined. The supernatants of peritoneal M phi (M phi sup) were prepared by culturing peritoneal M phi with particles, i.e., zymosan A...

journal_title：Microbiology and immunology

authors： Miyazaki H,Ito A,Osawa T

更新日期：1988-01-01 00:00:00

abstract：:The sensitivity of influenza rapid diagnostic tests (IRDTs) currently available in Japan for various influenza virus strains, including human H7N9 and H5N1 isolates, were compared and it was found that all of the IRDTs examined detected these viruses; however, their detection sensitivities differed. ...

journal_title：Microbiology and immunology

authors： Sakai-Tagawa Y,Ozawa M,Yamada S,Uchida Y,Saito T,Takahashi K,Sugaya N,Tashiro M,Kawaoka Y

更新日期：2014-10-01 00:00:00

abstract：:An important toxin-antitoxin (TA) system hok/sok, encoded by R1 plasmid of Escherichia coli, is involved in the post segregation killing of cells that have lost the plasmid. The lethal properties of hok protein have been utilized for the environmental containment of microbes and the development of potential vaccine ca...

journal_title：Microbiology and immunology

authors： Kaur A,Muthukumarappa T,Kanta P,Banday AZ,Chidananda MK

更新日期：2020-11-01 00:00:00

abstract：:VacA, a secretory product of Helicobacter pylori, binds to its cell surface receptor, receptor tyrosine phosphatase (RPTP) beta, leading to cytoplasmic vacuolization of gastric epithelial AZ-521 cells. VacA binding to the cell surface and VacA-dependent vacuolization were inhibited by cell culture media containing fet...

journal_title：Microbiology and immunology

authors： Kimura T,Wada A,Nakayama M,Ogushi K,Nishi Y,De Guzman BB,Moss J,Hirayama T

更新日期：2003-01-01 00:00:00

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：:The Env and Gag proteins of HIV-1 are the two major structural proteins of this retrovirus. The interactions between Env and Gag proteins and their regulation in HIV-1 are required for several steps of the replication cycle, involving not only virus assembly, specifically Env incorporation, but also entry steps after ...

journal_title：Microbiology and immunology

authors： Murakami T

更新日期：2008-05-01 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：:Biofilm formation can cause refractory urinary tract infections (UTIs) in dogs; however, minimum biofilm eradication concentrations (MBECs) of veterinary drugs against canine uropathogens remain to be investigated. In this study, the MBECs of orbifloxacin (OBFX), trimethoprim-sulfamethoxazole (TMS) and amoxicillin/cla...

journal_title：Microbiology and immunology

authors： Shimizu T,Harada K

更新日期：2017-01-01 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：: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：:Interleukin-12 is one of the cytokines that induce acquired immunity by progressing the differentiation of T cells. When antigens are presented by APCs, including macrophages and DCs, T cells are activated and produce the Th1 cytokines IL-2 and IFN-γ. We have previously reported greater IL-12 production from macrophag...

journal_title：Microbiology and immunology

authors： Taniguchi K,Miyatake Y,Hayashi D,Takami A,Itoh S,Yamamoto S,Hida S,Onozaki K,Takii T

更新日期：2015-11-01 00:00:00

abstract：:Integration of bovine leukemia virus (BLV) in the genomes of infected cells was investigated in cattle with enzootic bovine leukosis (EBL) and sporadic bovine leukosis (SBL). Southern blot hybridization of BLV cDNA to Eco RI and Xba I restriction fragments of EBL tumor DNAs revealed that: 1) one to four or more copies...

journal_title：Microbiology and immunology

authors： Onuma M,Sagata N,Okada K,Ogawa Y,Ikawa Y,Oshima K

更新日期：1982-01-01 00:00:00

abstract：:Samples of feces and vomit collected from patients during 13 non-bacterial gastroenteritis outbreaks which occurred in Hokkaido between 1995 and 1998 were examined by electron microscopy (EM) and reverse-transcription polymerase chain reaction (RT-PCR) for evidence of infection with human caliciviruses (HuCVs). In 6 f...

journal_title：Microbiology and immunology

authors： Ohyama T,Yoshizumi S,Sawada H,Uchiyama Y,Katoh Y,Hamaoka N,Utagawa E

更新日期：1999-01-01 00:00:00

abstract：:Staphylococcus aureus Cowan I was incubated with monolayers of cells derived from several portions of mouse kidney, and found to be ingested by all types of the renal cells. Intracellular localization of S. aureus was determined by resistance of intracellular cocci against lysostaphin digestion and confirmed by electr...

journal_title：Microbiology and immunology

authors： Murai M,Usui A,Seki K,Sakurada J,Masuda S

更新日期：1992-01-01 00:00:00

abstract：:We have previously identified a heterodimer molecule, Z-1, on guinea pig peritoneal macrophages (M phi s) by the newly prepared monoclonal antibody, anti-Z-1, and Z-1 has been assumed to be the complement receptor type three (CR3) in this species. To clarify this assumption, the cell type distribution of the antigen i...

journal_title：Microbiology and immunology

authors： Tamoto K,Nochi H,Tada M,Kakinuma T,Mori Y

更新日期：1993-01-01 00:00:00

abstract：:There are many examples of probiotic effects of various lactic bacteria on enteropathogens. In this study, Lactobacillus strains (L. rhamnosus, L. gasseri, L. casei and L. plantarum) were tested in an in vitro model of enterohemorrhagic Escherichia coli (EHEC) infection of a human colon epithelial cell line, C2BBe1. W...

journal_title：Microbiology and immunology

authors： Hirano J,Yoshida T,Sugiyama T,Koide N,Mori I,Yokochi T

更新日期：2003-01-01 00:00:00

abstract：:Botulinum neurotoxin (BoNT) is the causative agent of botulism in humans and animals. Only BoNT serotype A subtype 1 (BoNT/A1) is used clinically because of its high potency and long duration of action. BoNT/A1 and BoNT/A subtype 2 (BoNT/A2) have a high degree of amino acid sequence similarity in the light chain (LC) ...

journal_title：Microbiology and immunology

authors： Kohda T,Tsukamoto K,Torii Y,Kozaki S,Mukamoto M

更新日期：2020-07-01 00:00:00

abstract：:The extract from ECMS was investigated for its effect on the humoral immune responses to foot-and-mouth disease vaccination. Fifty-six mice were randomly divided into seven groups with eight animals in each. Mice in groups 5 to 7 were subcutaneously (s.c.) injected with 0.5 mg DEX daily for 4 days to induce immunosupp...

journal_title：Microbiology and immunology

authors： Sakwiwatkul K,Li RL,Song XM,Hu SH

更新日期：2010-01-01 00:00:00

abstract：:ISG20 is an ribonuclease specific for single-stranded RNA and considered to play a role in innate immunity against virus infections. We herein show that both poly IC, an authentic double-stranded RNA, and IFN-gamma induced ISG20 expression in cultured HUVEC. Poly IC-induced ISG20 expression was inhibited by LY294002, ...

journal_title：Microbiology and immunology

authors： Imaizumi T,Mechti N,Matsumiya T,Sakaki H,Kubota K,Yoshida H,Kimura H,Satoh K

更新日期：2008-01-01 00:00:00

abstract：:Vibrio parahaemolyticus mutants lacking three Na+/H+ antiporters (NhaA, NhaB, NhaD) were constructed. The DeltanhaA strains showed significantly higher sensitivity to LiCl regarding their growth compared to the parental strain. The DeltanhaA and DeltanhaB strains exhibited higher sensitivities to LiCl. The mutant XACa...

journal_title：Microbiology and immunology

authors： Kuroda T,Mizushima T,Tsuchiya T

更新日期：2005-01-01 00:00:00

abstract：:The biological activities of lipopolysaccharide-like substance (LLS) extracted from Leptospira interrogans serovar canicola strain Moulton by the hot phenol-water method were studied in mice. The addition of 12.5 micrograms/ml or more of LLS fraction increased the incorporation of [3H]thymidine into in vitro cultured ...

journal_title：Microbiology and immunology

authors： Shimizu T,Matsusaka E,Takayanagi K,Masuzawa T,Iwamoto Y,Morita T,Mifuchi I,Yanagihara Y

更新日期：1987-01-01 00:00:00