Autolysis of Porphyromonas gingivalis is accompanied by an increase in several periodontal pathogenic factors in the supernatant.

abstract：:A leukocidin was isolated and purified from autolysates of Pseudomonas aeruginosa strain 158 by a combination of procedures such as column chromatography on DEAE-Sephadex A-50, gel filtration on Sephadex G-100, and zone electrophoresis on pevikon. The purified preparation showed a single band in each experiment using ...

journal_title：Microbiology and immunology

authors： Hirayama T,Kato I,Matsuda F,Noda M

更新日期：1983-01-01 00:00:00

abstract：:For the simple and rapid detection/identification of major pathogenic fungal species such as Candida albicans, C. tropicalis, C. parapsilosis, C. glabrata and Aspergillus fumigatus, common primers for these species and specific primers for each species, designed on the basis on the genomic nucleotide sequences of the ...

journal_title：Microbiology and immunology

authors： Kanbe T,Arishima T,Horii T,Kikuchi A

更新日期：2003-01-01 00:00:00

abstract：:Sixteen temperature-sensitive mutants of Sendai virus were isolated from mutagenized stocks (10 mutants, designated numerically) and persistently infected cultures (6 mutants, designated alphabetically). Based on complementation tests, virion-associated activities, thermal inactivation, and viral RNA and hemadsorbing ...

journal_title：Microbiology and immunology

authors： Adachi A,Kanda T,Shibuta H

更新日期：1980-01-01 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：: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 polymyxin B (PXB)-resistant mutant of Klebsiella pneumoniae O3 was isolated. Lipopolysaccharide (LPS) extracted from the PXB-resistant isolate bound little PXB, although LPS from the parental strain did. The 31P nuclear magnetic resonance (NMR) spectrum of PXB-resistant type LPS showed that it contained much less of...

journal_title：Microbiology and immunology

authors： Yokochi T,Inoue Y,Jiang GZ,Kato Y,Sugiyama T,Kawai M,Fukada M,Takahashi K

更新日期：1994-01-01 00:00:00

abstract：:A solubilized sheep red blood cell (SRBC) antigen (supernatant fraction obtained by centrifuging 10(7)-2 x 108 sonicated SRBC at 6 x 10(4) g for 30 min [Sup-SRBC]), whose ability to inhibit anti-SRBC plaque formation was 70% of that of the original sonicated SRBC, was unable to elicit a detectable antibody response in...

journal_title：Microbiology and immunology

authors： Nagase F,Nakashima I,Nagase N,Kato N

更新日期：1982-01-01 00:00:00

abstract：:The phospholipase C (alpha-toxin) gene (plc) of Clostridium perfringens was cloned into pUC19 and the effects of the upstream regions on expression of the plc gene were examined in Escherichia coli JM109. When the 0.7-kb region just upstream of the putative -35 site of the gene was deleted, production of phospholipase...

journal_title：Microbiology and immunology

authors： Toyonaga T,Matsushita O,Katayama S,Minami J,Okabe A

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：:An antiserum against a fraction enriched for scrapie-associated fibrils (SAF), was examined for its effects on scrapie incubation period by inoculating mice either intraperitoneally or intracerebrally with various dilutions of the serum mixed with scrapie-infected mouse brain homogenate. After intraperitoneal inoculat...

journal_title：Microbiology and immunology

authors： Ito M,Shinagawa M,Doi S,Sasaki S,Isomura H,Takahashi K,Goto H,Sato G

更新日期：1988-01-01 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：:Influenza A virus (IAV) PA-X is a critical ribonuclease protein involved in host cell shutoff but its role in modulating the host immune response to IAV infection remains to be addressed. In this study, host cellular proteins that directly interact with PA-X were screened to investigate the biological function of PA-X...

journal_title：Microbiology and immunology

authors： Li M,Qi W,Chang Q,Chen R,Zhen D,Liao M,Wen J,Deng Y

更新日期：2020-11-26 00:00:00

abstract：:This study aimed to investigate the antifungal activity of Rubus chingii extract in combination with fluconazole (FLC) against FLC-resistant Candida albicans 100 in vitro. A R. chingii extract and FLC-resistant C. albicans fungus suspension were prepared. The minimum inhibitory concentration and fractional inhibitory ...

journal_title：Microbiology and immunology

authors： Han B,Chen J,Yu YQ,Cao YB,Jiang YY

更新日期：2016-02-01 00:00:00

abstract：:The fusion of BHK-21-KB cells by vesicular stomatitis virus was not induced in Eagle's minimal essential medium without glucose. In medium containing glucose, the rate of polykaryocyte formation decreased as the concentration of glucose was reduced below 5 mM. However, no reduction in virus production 24 hr after infe...

journal_title：Microbiology and immunology

authors： Takehara M

更新日期：1981-01-01 00:00:00

abstract：:The plasmids R401 and Rtsl belong to the same incompatibility group, IncT. The nucleotide sequence of the basic replicon of R401 consisting of 1,857 base pairs was determined and compared with that of mini-Rtsl previously reported. The mini-R401 was found to be composed of two clusters of direct repeated sequences fla...

journal_title：Microbiology and immunology

authors： Tabuchi A

更新日期：1985-01-01 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：: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：:The nucleic acid fraction from cells of 6 species of bacterium and 2 kinds of vertebrate, calf and salmon, was extracted and purified by the same procedures as described previously. When the spleen cells from BALB/c mice were incubated with the nucleic acid fraction from either of the bacteria, natural killer (NK) act...

journal_title：Microbiology and immunology

authors： Yamamoto S,Yamamoto T,Shimada S,Kuramoto E,Yano O,Kataoka T,Tokunaga T

更新日期：1992-01-01 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：: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：: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：:proteins which were able to bind noncovalently with mouse factor B were found in cells that are nonsecretors of factor B such as mouse-established monocytic cells and L cells but not in peritoneal resident macrophages. These proteins were isolated from lysates of L cells and separated into four distinct proteins by pr...

journal_title：Microbiology and immunology

authors： Moriyama T,Kawamoto Y,Ichikawa H,Okamoto K,Inoue T,Kobayashi T,Miyama A

更新日期：1983-01-01 00:00:00

abstract：:M protein is an important virulence determinant in Streptococcus pyogenes, but the amounts of M protein in various strains of the species remain to be elucidated. To assess the amount of M protein in strains of each emm genotype, dot blot analysis was performed on 141 clinically isolated strains. Among the cell membra...

journal_title：Microbiology and immunology

authors： Matsumoto M,Suzuki M,Hirose K,Hiramatsu R,Minagawa H,Minami M,Tatsuno I,Okamoto A,Ohta M,Hasegawa T

更新日期：2011-06-01 00:00:00

abstract：:Three hundred and twenty-five breast milk samples were examined for the occurrence of human cytomegalovirus (HCMV) by cell culture method. Virus was isolated from the milk in 1 of 177 samples collected within 6 days after delivery, 2 of 115 samples collected during the period of 7 days to 1 month after delivery, 10 of...

journal_title：Microbiology and immunology

authors： Hotsubo T,Nagata N,Shimada M,Yoshida K,Fujinaga K,Chiba S

更新日期：1994-01-01 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：:Numerical analysis of 211 strains of rapidly growing, nonphotochromogenic mycobacteria was carried out by using 116 characters. New species reported after 1981 and not yet compared with known species by numerical classification were included. At the level of 90% of the matching coefficient, the following species could...

journal_title：Microbiology and immunology

authors： Tsukamura M,Ichiyama S

更新日期：1986-01-01 00:00:00

abstract：:H5N1 and H9N2 are the most important causes of avian influenza in China. Chemokines and cytokines play important roles in inflammatory response that clearly differ between H5N1 and H9N2 infection. To investigate whether chemokines and cytokines are differentially regulated following H5N1 and H9N2 AIVs infection, dynam...

journal_title：Microbiology and immunology

authors： Luo C,Liu J,Qi W,Ren X,Lu R,Liao M,Ning Z

更新日期：2018-05-01 00:00:00

abstract：:Streptococcus anginosus appears to be able to adhere to cultured epithelial cells or fibronectin and this may be associated with bacterial pathogenicity. In the present study, the molecular characteristics and virulence of the fibronectin-binding protein (FBP), Fbp62, of S. anginosus were investigated in animal models...

journal_title：Microbiology and immunology

authors： Kodama Y,Ishikawa T,Shimoyama Y,Sasaki D,Kimura S,Sasaki M

更新日期：2018-10-01 00:00:00

abstract：:Despite the high prevalence of highly pathogenic H5N1 influenza A viruses in Indonesia, epidemiology information on seasonal human influenza is lacking. The present authors, therefore, conducted virologic surveillance in Surabaya, East Java from October 2008 to March 2010. Influenza viruses, including pandemic (H1N1) ...

journal_title：Microbiology and immunology

authors： Yamaoka M,Palilingan JF,Wibisono J,Yudhawati R,Nidom RV,Alamudi MY,Ginting TE,Makino A,Nidom CA,Shinya K,Kawaoka Y

更新日期：2011-07-01 00:00:00

abstract：:Absorption of a pooled human gamma globulin preparation with acetone-treated measles virus-infected cells removed all antibodies to measles virus antigens except a portion of the antibody to the fusion (F) protein. The residual anti-F antibody had hemolysis-inhibiting and virus-neutralizing activities, inhibited sprea...

journal_title：Microbiology and immunology

authors： Sato TA,Kohama T,Sugiura A

更新日期：1989-01-01 00:00:00