Microbiology (Scholarly Publications): Recent submissions
Now showing items 21-40 of 238
-
Lactobacillus spp. for Gastrointestinal Health: Current and Future Perspectives
(2022)In recent decades, probiotic bacteria have become increasingly popular as a result of mounting scientific evidence to indicate their beneficial role in modulating human health. Although there is strong evidence associating ... -
IL-33 and IL-18 in inflammatory bowel disease etiology and microbial interactions
(2019)The IL-1 cytokines are a newly expanded family, with each of its 11 members playing an important role in health and disease. Typically acting as pro- or anti-inflammatory mediators of first-line innate immunity, their ... -
Establishing Boundaries: The Relationship That Exists between Intestinal Epithelial Cells and Gut-Dwelling Bacteria.
(2019)The human gastrointestinal (GI) tract is a highly complex organ in which various dynamic physiological processes are tightly coordinated while interacting with a complex community of microorganisms. Within the GI tract, ... -
NLRP1 restricts butyrate producing commensals to exacerbate inflammatory bowel disease
(2018)Anti-microbial signaling pathways are normally triggered by innate immune receptors when detecting pathogenic microbes to provide protective immunity. Here we show that the inflammasome sensor Nlrp1 aggravates DSS-induced ... -
Loss of microRNA-21 influences the gut microbiota causing reduced susceptibility in a murine model of colitis.
(2018)Background and aims: microRNAs regulate gene expression and influence the pathogenesis of human diseases. The present study investigated the role of microRNA-21 [miR-21] in the pathogenesis of intestinal inflammation, ... -
Consequences of producing DNA gyrase from a synthetic gyrBA operon in Salmonella enterica serovar Typhimurium
(2021)DNA gyrase is an essential type II topoisomerase that is composed of two subunits, GyrA and GyrB and has an A 2 B 2 structure. Although both subunits are required in equal proportions to form DNA gyrase, the gyrA and gyrB ... -
Network rewiring: physiological consequences of reciprocally exchanging the physical locations and growth-phase-dependent expression patterns of the Salmonella fis and dps genes
(2020)The Fis nucleoid-associated protein controls the expression of a large and diverse regulon of genes in Gram-negative bacteria. Fis production is normally maximal in bacteria during the early exponential phase of batch ... -
Use of adhesion-defective mutants of Staphylococcus aureus to define the role of specific plasma proteins in promoting bacterial adhesion to canine arteriovenous shunts
(1995)We used an ex vivo canine arteriovenous shunt model, previously developed to study plasma protein adsorption and thrombogenesis on polymeric biomaterials, to define the role of host proteins in promoting adhesion of ... -
Molecular interactions and inhibition of the staphylococcal biofilm-forming protein SdrC
(2017)Staphylococcus aureus forms biofilms on indwelling medical devices using a variety of cell-surface proteins. There is growing evidence that specific homophilic interactions between these proteins represent an important ... -
Role of Staphylococcus aureus coagulase and clumping factor in pathogenesis of experimental endocarditis
(1995)The pathogenic role of staphylococcal coagulase and clumping factor was investigated in the rat model of endocarditis. The coagulase-producing and clumping factor-producing parent strain Staphylococcus aureus Newman and a ... -
Complete bypass of restriction systems for major staphylococcus aureus lineages
(2015)Staphylococcus aureus is a prominent global nosocomial and community-acquired bacterial pathogen. A strong restriction barrier presents a major hurdle for the introduction of recombinant DNA into clinical isolates of S. ... -
Transposon A-generated mutations in the mercuric resistance genes of plasmid R100-1
(1979)A series of 23 transposon 801(Tn801)-induced mutations of plasmid R100-1 from mercuric salts resistance to sensitivity was studied. Although Tn801 transposed frequently into the mer region of the plasmid, fine structural ... -
Expression of a cloned Staphylococcus aureus alpha-hemolysin determinant in Bacillus subtilis and Staphylococcus aureus
(1983)A DNA sequence encoding Staphylococcus aureus alpha-hemolysin, which had been previously cloned and mapped in Escherichia coli K-12, was introduced into Bacillus subtilis BD170 and several strains of S. aureus by using ... -
Some mercurial resistance plasmids from different incompatibility groups specify merR regulatory functions that both repress and induce the mer operon of plasmid R100
(1985)Transcription of the mer genes of plasmid R100 is regulated by the product of the merR gene. The merR gene negatively regulates its own expression and also controls the transcription of the merTCA operon both negatively ... -
Genetic evidence that bound coagulase of Staphylococcus aureus is not clumping factor
(1992)Staphylococcus aureus Newman cells carry a surface receptor for fibrinogen called clumping factor. The bacteria also express coagulase, an extracellular protein that binds to prothrombin to form a complex with thrombinlike ... -
R factor tetracycline and chloramphenicol resistance in Escherichia coli K12 cmlB mutants
(1975)The isolation of Escherichia coli chromosomal mutants that increased the level of resistance of a partially tetracycline-sensitive mutant of RI00-I is described. Plasmid-less derivatives of these moderately resistant mutants ... -
Recombination at the coagulase locus in Staphylococcus aureus: plasmid integration and amplification
(1993)The integrating plasmid pCOA18, comprising pUC18 linked to a mutated coagulase (coa) gene from Staphylococcus aureus, and constructed by substituting coa sequences with a tetracycline (Tc)-resistance marker (delta coa::Tcr), ... -
The gamma-hemolysin locus of Staphylococcus aureus comprises three linked genes, two of which are identical to the genes for the F and S components of leukocidin
(1993)The Staphylococcus aureus gamma-hemolysin comprises two polypeptides, whereas the gamma-hemolysin locus (hlg) contains three open reading frames. The hlgA and hlgB genes encode the gamma 1 and gamma 2 components, respectively. ... -
Quantitative comparison of clumping factor- and coagulase-mediated Staphylococcus aureus adhesion to surface-bound fibrinogen under flow
(1995)The contributions of clumping factor and coagulase in mediating Staphylococcus aureus adhesion to surface-adsorbed fibrinogen have been quantified by using a new methodology and analysis. The attachment or detachment ...
