Two routes of MexS-MexT-mediated regulation of MexEF-OprN and MexAB-OprM efflux pump expression in Pseudomonas aeruginosa.

abstract：:A recombinant pertussis DNA vaccine was described here with its immunogenicity and the ability to induce protection against B. pertussis infection in mice. Three immunodominant antigen gene fragments of pertussis, pertussis toxin subunit 1 (pts1), fragments of pertactin (prn) and filamentous hemagglutinin (fha), were ...

journal_title：Microbiology and immunology

authors： Li Q,Zhu Y,Chu J,Wang Y,Xu Y,Hou Q,Zhang S,Guo X

更新日期：2006-01-01 00:00:00

abstract：:One strain each of granular and downy varieties of Trichophyton mentagrophytes and two strains each of granular and floccose colonial types Trichophyton rubrum were used for preparation of antigens. The antigens were analyzed by double diffusion against homologous and heterologous antisera raised in rabbits. A total o...

journal_title：Microbiology and immunology

authors： Shukla NP,Agarwal GP

更新日期：1983-01-01 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：:Human immunodeficiency virus type-1 (HIV-1) and human T-cell leukemia virus type-I (HTLV-I) have a similar tropism for target cell types, especially for CD4+ T cells. In this study, we provide evidence that receptors of these two viruses exist independently on the target cell. We established an HTLV-I-producing CD8+ T...

journal_title：Microbiology and immunology

authors： Kannagi M,Kuroda MJ,Maeda Y,Harada S

更新日期：1991-01-01 00:00:00

abstract：:Triosephosphate isomerase (TPI; EC 5. 3. 1. 1) displayed on the cell surface of Staphylococcus aureus acts as an adhesion molecule that binds to the capsule of Cryptococcus neoformans, a fungal pathogen. This study investigated the function of TPI on the cell surface of S. aureus and its interactions with biological s...

journal_title：Microbiology and immunology

authors： Furuya H,Ikeda R

更新日期：2011-12-01 00:00:00

abstract：:Chitin and chitosan were found to exhibit a protective effect on mice administered these polysaccharides intraperitoneally against infection of the viable cells of Candida albicans NIH A-207 strain. A significant difference was observed between the protective effects of chitin and chitosan, i.e., chitin was much more ...

journal_title：Microbiology and immunology

authors： Suzuki K,Okawa Y,Hashimoto K,Suzuki S,Suzuki M

更新日期：1984-01-01 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：:The production of heat-labile enterotoxin (LT) in 76 strains of human enterotoxigenic Escherichia coli (ETEC) varied by a factor of 100. Three ETEC strains that differ in the levels of LT production were chosen for the cloning of LT genes (toxAB) into plasmid pBR322, and the gene structure and expression were compared...

journal_title：Microbiology and immunology

authors： Katayama S,Ninomiya M,Minami J,Okabe A,Hayashi H

更新日期：1990-01-01 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：:Virulence of Coxsackie virus B3 (CB3) was compared in mice between strain SK-74 isolated from a patient and strain T-70 isolated from a healthy child as well as between prototype strain Nancy and its mouse-passaged derivative strain PMH. Strain SK-74 showed a high mortality (40-80%), while strain T-70 did not induce d...

journal_title：Microbiology and immunology

authors： Komatsu T,Hashimoto I,Kohara T

更新日期：1983-01-01 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：:The 16S rRNA gene sequences were determined for type strains of 21 Bifidobacterium species. A phylogenetic tree was constructed using the determined sequences and sequences from DNA databases, which contain the sequences of 11 type strains of Bifidobacterium species and 11 strains of related genera. All species of the...

journal_title：Microbiology and immunology

authors： Miyake T,Watanabe K,Watanabe T,Oyaizu H

更新日期：1998-01-01 00:00:00

abstract：:The current vaccination strategy against influenza is to induce production of antibodies directed against the surface antigens of these viruses. However, frequent changes in the surface antigens of influenza viruses allow them to avoid antibody-mediated immunity. On the other hand, it is known that cytotoxic T-lymphoc...

journal_title：Microbiology and immunology

authors： Uchida T

更新日期：2011-01-01 00:00:00

abstract：:Mannose-capped lipoarabinomannan (ManLAM) is an immunomodulatory epitope of Mycobacterium tuberculosis (Mtb). An aptamer (ZXL1) that specifically binds to ManLAM from the virulent Mtb H37Rv strain was previously generated and it was found that ZXL1 functions as an antagonist, inhibiting the ManLAM-induced immunosuppre...

journal_title：Microbiology and immunology

authors： Pan Q,Yan J,Liu Q,Yuan C,Zhang XL

更新日期：2017-02-01 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：:A number of studies have determined the contribution of Th1 and Th2 responses to the protective immunity and pathology of Mycobacterium bovis infection. However, much of that information is derived from experimentally infecting cattle with M. bovis and few data from naturally infected animals are available. The aim of...

journal_title：Microbiology and immunology

authors： Blanco FC,Schierloh P,Bianco MV,Caimi K,Meikle V,Alito AE,Cataldi AA,Sasiain Mdel C,Bigi F

更新日期：2009-08-01 00:00:00

abstract：:Macrophages act as a reservoir for Mycobacterium tuberculosis, producing latent infection in approximately 90% of infected people. In this study, J774A.1 mouse macrophage cell line response and microRNA (miRNA) expression during infection with the most relevant mycobacterial strains for humans (M. tuberculosis, M. bov...

journal_title：Microbiology and immunology

authors： Elizabeth MC,Hernández de la Cruz ON,Mauricio CA

更新日期：2016-05-01 00:00:00

abstract：:To determine the extent of genetic diversity of Salmonella choleraesuis subspecies choleraesuis serovar Infantis and whether environmental isolates were similar or identical to human isolates, a total of 110 isolates from humans, broiler samples, egg production facilities, riverwater, sewage, and chicken meat were ana...

journal_title：Microbiology and immunology

authors： Murakami K,Horikawa K,Otsuki K

更新日期：1999-01-01 00:00:00

abstract：:The inhibitory effects of an extract of the blackcurrant (Ribes nigrum L.) against pathogens associated with oral, nasopharyngeal and upper respiratory infectious diseases; namely respiratory syncytial virus (RSV), influenza virus A and B (IFV-A and IFV-B), adenovirus (AdV), herpes simplex virus type 1, Haemophilus in...

journal_title：Microbiology and immunology

authors： Ikuta K,Hashimoto K,Kaneko H,Mori S,Ohashi K,Suzutani T

更新日期：2012-12-01 00:00:00

abstract：:The purpose of this study was to clarify the taxonomic relationship between all the serovars and species of the genus Erysipelothrix by performing DNA-DNA hybridization experiments, the customary criterion for separation of bacterial genospecies. A total of 93 strains were isolated from a wide variety of sources, incl...

journal_title：Microbiology and immunology

authors： Takahashi T,Fujisawa T,Umeno A,Kozasa T,Yamamoto K,Sawada T

更新日期：2008-10-01 00:00:00

abstract：:Cross-linking of surface receptors in hematopoietic cells results in the enrichment of these receptors in the rafts along with other downstream signaling molecules. A possible explanation how signal is transduced through the plasma membrane has arisen from the concept of raft. From the study of cellular responses in t...

journal_title：Microbiology and immunology

authors： Katagiri YU,Kiyokawa N,Fujimoto J

更新日期：2001-01-01 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：:The present study was designed to evaluate the distribution of epithelioid cells, myofibroblasts, and TGF-beta1 in the formation of granuloma caused by Mycobacterium avium intracellulare complex (MAC) lung infection. A retrospective study was performed for 9 cases of positive MAC culture in which lung resections were ...

journal_title：Microbiology and immunology

authors： Fujita J,Ohtsuki Y,Suemitsu I,Yamadori I,Shigeto E,Shiode M,Nishimura K,Hirayama T,Matsushima T,Ishida T

更新日期：2002-01-01 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：:Measuring the amount of HIV-1 DNA in infected cells is important to estimate the size of the viral reservoir in patients. However, the clinical impact of the intracellular viral DNA level remains unclear. The present study examines the clinical significance of the HIV-1 DNA level in peripheral CD4+ T lymphocytes from ...

journal_title：Microbiology and immunology

authors： Wada K,Nagai H,Hagiwara T,Ibe S,Utsumi M,Kaneda T

更新日期：2004-01-01 00:00:00

abstract：:Antiplague indirect hemagglutination tests were investigated with Yersinia pestis fraction-I antigen and sera from experimentally infected rodents. The same tests with sera treated with acetone or acetone-2-mercaptoethanol were performed in parallel. Technical conditions were determined to insure the specificity and r...

journal_title：Microbiology and immunology

authors： Suzuki S,Hotta S

更新日期：1979-01-01 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：:Staphylococcal exfoliative toxin A (ETA) had a splitting effect at the granular layer of skin in humans and neonatal mice, but not in rabbits, guinea pigs, golden hamsters, or rats. Besides its splitting effect, ETA could stimulate productions of neutralizing antibody to ETA in rabbits, rats and B10D2 mice, but not in...

journal_title：Microbiology and immunology

authors： Machida K,Sakurai S,Kondo I,Ikawa S

更新日期：1988-01-01 00:00:00

abstract：:Many pathogens colonize host tissues by binding to the extracellular matrix via their cell surface adhesion molecules, which are called MSCRAMMs (microbial surface components recognizing adhesive matrix molecules). Staphylococcus aureus expresses several of these adhesion molecules, some of which bind to fibronectin. ...

journal_title：Microbiology and immunology

authors： Shinji H,Kamada M,Seki K,Tajima A,Iwase T,Masuda S

更新日期：2007-01-01 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