(1) The most common mutant phenotype was acapsular (K-), with no K-antigen synthesized.
(2) Using both an encapsulated virulent strain and an acapsular avirulent mutant, we have demonstrated the reduced ability of the encapsulated strain to stimulate specific T-cell responses in vitro.
(3) The acapsular phenotype of the mutant was corrected in vivo by exogenous addition of sialic acid.
(4) All host strains are heavily encapsulated test strains for E. coli K antigens of the thermostable A type and they readily segregate acapsular mutants.
(5) These marker exchange experiments resulted in the isolation of two distinct classes of acapsular transductants, designated WF61 and WF62.
(6) Acapsular mutant Cryptococcus neoformans cap 67 was grown in Pine's citrate broth medium for 3 days and the cells then transferred to a nitrogen-free medium for 6 days.
(7) Acapsular (Cap-) mutants of Cryptococcus neoformans var.
(8) A virulent, encapsulated strain of Pasteurella multocida was compared with a spontaneously arising, avirulent acapsular variant following injection into the bloodstream of 14-week-old turkeys.
(9) For the acapsular strain, complete growth inhibition was observed regardless of the choice of culture surface, opsonins, or cytokines.
(10) Two translucent, acapsular mutants, which did not show phase variation, were constructed by using the transposon Tn5 IS50L::phoA (TnphoA).
(11) Separation of lipopolysaccharide fractions using gel chromatography in the presence of detergent showed that the low molecular weight K-antigenic fraction comigrated with a lipopolysaccharide lipid A core fraction present in encapsulated E. coli K30 bacteria but absent in acapsular mutants.
(12) Inasmuch as different receptors appear involved in phagocytosis of encapsulated versus acapsular C. neoformans, the disparity in killing may result from the greater ability of receptors mediating uptake of encapsulated organisms to trigger the antimicrobial armamentarium of the BAM.
(13) In contrast, unstimulated PBMC and the adherent fraction of stimulated PBMC killed an isogenic acapsular strain of C. neoformans.
(14) PHS stimulated and HI-PHS had no effect on binding of acapsular C. neoformans and zymosan particles to bronchoalveolar macrophages.
(15) P1059-1A, with an LD50 of approximately 10(8) CFU, is an acapsular variant of P1059-1 that spontaneously arose after prolonged passage on artificial medium.
(16) Binding of the acapsular, but not the encapsulated, strain led to phagocytosis.
(17) Stimulation of murine resident peritoneal cells (RPCs) by encapsulated strain 52 and acapsular strain 602 of Cryptococcus neoformans was compared.
(18) In contrast, acapsular organisms were killed by unactivated RPCs, with enhanced killing seen if the cells were activated with IFN-gamma.
(19) Purified cell walls derived from Cryptococcus neofromans Cap 67, an acapsular mutant, consisted of 86% Glc and 7.3% GlcNAc.
(20) In contrast, the burst was stimulated by acapsular strain 602, with or without opsonization.
Capsular
Definition:
(a.) Alt. of Capsulary
Example Sentences:
(1) In 1 of the 3, anterior capsular detachment was also demonstrated radiographically and confirmed surgically.
(2) We investigated this suppression quantitatively, using a chemical assay for cell-bound and dissolved capsular polysaccharide.
(3) We evaluated the safety and efficacy of a conjugate vaccine that links the H. influenzae type b capsular polysaccharide to the outer-membrane protein complex (OMPC) of Neisseria meningitidis serogroup B.
(4) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
(5) The large proportion of local stages without capsular involvement (29 of 42) is partly responsible for this lack of sensitivity.
(6) The clinical examination must cover all the anatomical detection of lesions of individual parts of the capsular ligaments.
(7) During the growth of Azotobacter vinelandii in batch culture in Burk's 2% glucose medium supplemented with 50 mg EDTA per litre, water-insoluble capsular polysaccaride material accumulated in cultures prior to the appearance of water-soluble polysaccharide in the culture medium.
(8) The pinocytotic vesicles were also encountered in the capsular smooth muscle cells in the capillary endothelial cells which were located between the secretory epithelial cells and the acinar capsule.
(9) Capsular polysaccharide was detected in the serum in 19 of 46 patients with pneumococcal pneumonia.
(10) One patient had been immunized with 14-valent pneumococcal vaccine with a doubling of serum antibody concentrations at one month to all vaccine capsular polysaccharide types except for Types 1 and 12.
(11) Both organisms have previously been found to be sequestered in the posterior lens capsule by histological and microbiological examination of excised capsular specimens.
(12) The isolated capsular polysaccharides (CPSs) differ in monosaccharide composition ratios and molecular size, as determined by gel filtration.
(13) This study of 47 patients from 11 families with neurofibromatosis type 2 (NF 2) confirms our previously reported association between posterior capsular cataract and NF 2.
(14) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(15) Both patients had high levels of circulating capsular polysaccharide, and one patient had visible diplococci on a smear of the peripheral blood.
(16) Meningococcal antisera raised against LPS from MGC A, B, and C also provided good protection against endotoxemia from the homologous capsular groups, but it was inconsistent against the heterologous serogroups.
(17) However the diagnostic accuracy of an elevated serum antigen level on an individual basis was only 55 per cent for capsular penetration and 50 per cent for seminal vesicle involvement and lymph node involvement.
(18) Because they prevent secondary capsular opacification and anterior vitreous propagation, it appears that such barrier-type implants should be systematically placed.
(19) By taking advantage of slightly differing immunologic specificity for Type III and Type VIII capsular polysaccharides, an antibody with unique electrophoretic mobility could be isolated from serum containing several distinct antibody components by using appropriate cross-reacting immunoadsorbents.
(20) We found significant variability in the labral shape as well as significant variability of anterior capsular attachment.