(a.) Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium.
Example Sentences:
(1) These results show that the pathogenic phenotypes of MCF viruses are dissociable from the thymotropic phenotype and depend, at least in part, upon the enhancer sequences.
(2) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(3) Evidence is presented in support of the hypothesis that fresh bat guano serves as a means of pathogenic fungi dissemination in caves.
(4) Anaerobes, in particular Bacteroides spp., are the predominant bacteria present in mixed intra-abdominal infections, yet their critical importance in the pathogenicity of these infections is not clearly defined.
(5) Groups of inbred female mice of strains CBA or C3H were infected genitally with a pathogenic human strain of Chlamydia trachomatis (N.I.1, serovar F) known to produce salpingitis and infertility in mice.
(6) The pathogenicity of Mycoplasma pneumoniae in atypical pneumonias can be considered confirmed according to the availabile literature; its importance for other inflammatory diseases of the respiratory tract, particularly for chronic bronchitis, is not yet sufficiently clear.
(7) The indication of the DNA probe method would be considered in the four cases as follows, 1. necessity of the special equipment to isolate the pathogen, 2. necessity of the long period to isolate the pathogen, 3. existence of the cross reaction among the pathogen and relative organisms in the immunological procedure, 4. existence of the difficulty to identify the species of the pathogen by the ordinary procedure.
(8) A large number of recently isolated bacterial pathogens were tested for susceptibility to cephalexin and cephaloglycin by the replica inoculating method.
(9) Twelve strains of the Crimean hemorrhagic fever (CHF)-Congo group of viruses the Bunyaviridae family were investigated with respect to sensitivity to lipid solvents and temperature, pathogenicity for animals, interactions with cell cultures and antigenic relationships.
(10) Apart from their pathogenic significance, these results may have some interest for the clinical investigation of patients with joint diseases.
(11) Microscopic monitoring of the subgingival microbiota to detect pathogens associated with periodontal diseases has been an active area of investigation.
(12) Immunogenic or pathogenic factors of recombinant proteins (rBCSP20, rBCSP-31, and rBCSP45 of Brucella abortus strain 19) for mice were compared with factors of a proteinase K-treated lipopolysaccharide extracted from B abortus strain 2308.
(13) It was also established that the Y. enterocolitica strains isolated from raw cow milk did not refer to the European serotypes 0:3 and 0:9 that were pathogenic for humans.
(14) The interaction of four pathogenic and three nonpathogenic E. histolytica strains with two human intestinal cell lines (Caco-2 and HT-29) was examined.
(15) The antibacterial effect of lysozyme manufactured in the USSR was studied with respect to 1496 pathogenic strains of different microbial species.
(16) The pathogenic effect of enterotoxogenic E. coli is mainly to be found in the jejunum.
(17) Twelve healthy rabbits, in three similar subgroups, were exposed to pathogenic Escherichia coli and their immune response was studied under different experimental conditions.
(18) In addition to a better understanding of pathogenic mechanisms associated with autoimmunity, the knowledge of these disease-predisposing genes is expected to permit a better classification of often complex syndromes as well as the design of new treatments.
(19) Pseudomonas aeruginosa is one of the most frequently encountered bacterial pathogens in patients with chronic pulmonary infections, including cystic fibrosis and diffuse panbronchiolitis.
(20) Patients treated with ciprofloxacin may need added coverage for anaerobes, but the drug's excellent activity against nosocomial pathogens and its availability in oral form allow for an early change to oral therapy without compromising effectiveness coupled with added savings and convenience.
Virulent
Definition:
(a.) Extremely poisonous or venomous; very active in doing injury.
(a.) Very bitter in enmity; actuated by a desire to injure; malignant; as, a virulent invective.
Example Sentences:
(1) The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.
(2) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
(3) The results are consistent with our previous suggestion that lethality for virulent SFV infection results from a lethal threshold of damage to neurons in the CNS and that attenuating mutations may reduce neuronal damage below this threshold level.
(4) The results point out the importance of detecting specific virulence factors before incriminating water as a source of human diarrhea.
(5) We put forward the hypothesis that the agglutinability in acriflavine, together with the PAGE profile type II, may be associated with particular structures responsible for virulence.
(6) One mutant, BS260, was completely noninvasive on HeLa cells and mapped to a region on the 220-kb virulence plasmid in which we had previously localized several avirulent temperature-regulated operon fusions (A.E.
(7) The proteins of two HEV isolates, one apathogenic (HEV-A) and one virulent (HEV-V), resembled each other in most respects.
(8) The geometric mean titers of anti-Shigella antibodies to virulence plasmid-associated antigens in milk received before infection were eightfold higher in infants who remained well than in those in whom diarrhea developed.
(9) Presented are the clinical, pathologic, and virulence features of sudden death due to Group A beta-hemolytic streptococcus.
(10) Some of these strains have been used by investigators to study gonococcal virulence.
(11) With the faster rate of proliferation there was a corresponding increase in virulence.
(12) On average, clinical isolates were not more virulent than fecal isolates.
(13) Since the four determining coefficients may change over evolutionary time-scales, the mathematical results together with a natural selection argument proves that virulence gamma 2 attenuates.
(14) It also devalues the courage of real whistleblowers who have used proper channels to hold our government accountable.” McCain added: “It is a sad, yet perhaps fitting commentary on President Obama’s failed national security policies that he would commute the sentence of an individual that endangered the lives of American troops, diplomats, and intelligence sources by leaking hundreds of thousands of sensitive government documents to WikiLeaks, a virulently anti-American organisation that was a tool of Russia’s recent interference in our elections.” WikiLeaks last year published emails hacked from the accounts of the Democratic National Committee and John Podesta, chairman of Hillary Clinton’s election campaign.
(15) Understanding the molecular biology of a virulence factor also provides information about potential targets for future therapies and preventive modalities.
(16) This ability may be associated with virulence, because an attenuated strain of L. pneumophila fails to multiply within this protozoan, whereas a virulent strain increases 10,000-fold in number when coincubated with T. pyriformis.
(17) Combinations of factors were generally more predictive for defining virulent clones, particularly in infants defined as being at normal risk of developing septicaemia.
(18) Strain IIBNV6, however, complemented with all virulent strains tested.
(19) Measurable activity on day 7 depended on infectious virus dose, virus virulence, and non-H-2 genetic background of the host.
(20) A related mechanism is proposed for the control of the virulence of animal viruses.