Abstract:
:Isolation and structure elucidation was carried out of flavonoid constituents found in fractionated extracts of the seeds and green leaves of Daucus carota L. var. boissieri (Apiaceae). The flavonoids are mainly apigenin, luteolin, their glycosidic precursors and 2,4,5-trimethoxybenzaldehyde. Fatty acids, hydrocarbons and sterols were identified by GLC. The effect of various carrot extracts on the immune responses of Schistosoma mansoni infected mice was studied. The rate of reduction in worm infestation in mice injected with some fractions indicated a strong protection. Some extracts induced humoral immune response through raising the IgG level at 2, 4 and 6 weeks post-infection as compared with infected control. The phenotypic analysis of the cellular immune response in spleen and mesenteric lymph nodes was accomplished by direct immunofluorescence. The data showed that some extracts stimulated the blastogenesis of CD4(+)-T splenocytes and mesenteric lymph node cells.
journal_name
Folia Microbiol (Praha)journal_title
Folia microbiologicaauthors
Shalaby NM,Maghraby AS,el-Hagrassy AMdoi
10.1007/BF02903720keywords:
subject
Has Abstractpub_date
1999-01-01 00:00:00pages
441-8issue
4eissn
0015-5632issn
1874-9356journal_volume
44pub_type
杂志文章abstract::This review discusses methods for the single-chain antibody fragment ($cFv) generation and scFv expression systems, and describes potential applications of scFv in the therapy of viral diseases and cancer, with emphasis on intracellularly expressed scFvs (intrabodies), application of scFvs in detection and diagnostics...
journal_title:Folia microbiologica
pub_type: 杂志文章,评审
doi:10.1007/BF02993480
更新日期:2003-01-01 00:00:00
abstract::Aliphatic 1,2-alkanolamines inhibited beta-glucanase from Candida utilis. The highest inhibitory effect was observed with 1-dodecylamino-3-chloro-2-propanol (Ki = 1.0 mumol/L) and it was much higher than that of D-glucono-delta-lactone. Simple 1,2-alkanolamines, like 2-aminoethanol or 2-methylaminoethanol, did not exh...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02898763
更新日期:1993-01-01 00:00:00
abstract::Using mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine, a number of homoserine auxotrophs have been isolated from a glutamate-producing Arthrobacter globiformis excreting L-lysine in good amounts. For further improvement, mutants resistant to the lysine analog S-(2-aminoethyl)-L-cysteine have been isolated from h...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02935823
更新日期:1991-01-01 00:00:00
abstract::Candidiases, infections caused by germination forms of the Candida fungus, represent a heterogeneous group of diseases from systemic infection, through mucocutaneous form, to vulvovaginal form. Although caused by one organism, each form is controlled by distinct host immune mechanisms. Phagocytosis by polymorphonuclea...
journal_title:Folia microbiologica
pub_type: 杂志文章,评审
doi:10.1007/BF02931313
更新日期:2007-01-01 00:00:00
abstract::Inhibition activity of the alkaloid (-)-corypalmine on spore germination of plant pathogenic and saprophytic fungi (Alternaria solani, A brassicicola, A. brassicae, A. melongenae, Curvularia pallescens, C. lunata, C. maculans, Curvularisa sp., Colletotrichum sp., Helminthosporium speciferum, H. frumentacei, H. pennise...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02817654
更新日期:2002-01-01 00:00:00
abstract::The aim of this study was to evaluate the contribution of plasmid-mediated genes and efflux to fluoroquinolone resistance in collection of Achromobacter spp. gathered during a 3-year period. Susceptibility to ciprofloxacin and levofloxacin was tested by disk diffusion and microdilution tests for a collection of 98 Ach...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-018-0639-7
更新日期:2019-03-01 00:00:00
abstract::The cellular immune response (MIF, E-rosette formation and changes in nucleolar morphology of lymphocytes) was followed as related to age and antigenic stimulation. MIF in healthy infants increased from the 2nd to the 12th week of life as compared with the first week, probably due to BCG vaccination. The total and act...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876400
更新日期:1980-01-01 00:00:00
abstract::A rifampicin-resistant variant of two strains of Lactobacillus plantarum, one strain of Pediococcus acidilactici, and one strain of Enterococcus faecium were used for the experimental production of lucerne silage. Laboratory silage without inoculants served as a control. Counts of total anaerobes, total lactic acid ba...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-012-0142-5
更新日期:2012-07-01 00:00:00
abstract::Patients suffering from periodontitis or periodontosis were selected for the study. Further subdivision of these groups was based on the presence or absence of herpes and/or adenoviruses in their oral lymphocytes and epithelial cells. The phagocytic and bactericidal activities of oral leukocytes isolated from the same...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02887577
更新日期:1987-01-01 00:00:00
abstract::Treatment of human group C and G streptococci with cyanogen bromide results in solubilization of surface protein G molecules. Strain-to-strain variation in the quantity, molar mass and functional activity of protein G extracted from representative group C and G isolates led to the identification of three structurally ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02825666
更新日期:1999-01-01 00:00:00
abstract::The soil microbial population, determined over a period of 19 months and the elemental chemical composition measured by X-ray fluorescence techniques were followed in two uncultivated salt-affected areas of Greece, namely Lantza and Klidi. The ecological conditions at Lantza remained stable during the period of study ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877387
更新日期:1983-01-01 00:00:00
abstract::Microorganisms in the midgut and rectum of the honeybee were enumerated and characterized. Counts of aerobic microorganisms were distinctly lower than counts of anaerobes (10(5)-10(6) viable cells per g of intestinal content vs. 10(8)-10(9) per g). Total numbers of anaerobic microorganisms were almost identical with t...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02931394
更新日期:2004-01-01 00:00:00
abstract::In Slovakia, dairy products made from ewes' milk have a long tradition. These products include the lactic acid product called "žinčica" which is a by-product occurring during the preparation of ewes' lump cheese. There is no information in the literature regarding the special properties of the microbiota, especially l...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-019-00703-5
更新日期:2020-02-01 00:00:00
abstract::In ostriches and pheasants, there is still limited information relating to staphylococci and their properties. Biogenic amines (BAs) are nitrogenous low-molecular-weight substances with biological functions in animals, plants and microorganisms. In this study, we focused on BA production by targeted faecal staphylococ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-017-0492-0
更新日期:2017-05-01 00:00:00
abstract::The screening of 17 SAg genes of S. aureus isolated from the sputum of cystic fibrosis (CF) patients revealed that among 47 genetically different strains, 39 (83 %) carried SAg genes. Superantigens forming enterotoxin gene cluster were detected in 20 strains. The 2nd most common superantigen type was selk detected in ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02931628
更新日期:2006-01-01 00:00:00
abstract::Using fluorescein-labelled antibodies against gamma, mu and alpha chains, Ig-containing cells in palatine tonsils were studied in 120 patients. The aim of this study was to determine the most frequently repeated typical findings as regards the numbers and localisation of these cells in tonsils and to confront the data...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927432
更新日期:1981-01-01 00:00:00
abstract::The effect of immersion time and cell concentration in the attachment of several lactic acid bacteria with antibacterial activity to beef-muscle surface was studied. The number of firmly attached bacteria increased with immersion time in the case of Pediococcus acidilacti, Lactobacillus sake, Lactococcus cremoris (two...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02814710
更新日期:1996-01-01 00:00:00
abstract::Microorganisms that cause chronic infections exist predominantly as surface-attached stable communities known as biofilms. Microbial cells in biofilms are highly resistant to conventional antibiotics and other forms of antimicrobial treatment; therefore, modern medicine tries to develop new drugs that exhibit anti-bio...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-018-0633-0
更新日期:2019-01-01 00:00:00
abstract::Changes in leukocyte counts and in the gut microflora of laboratory rats irradiated with single whole-body dose of gamma rays (5.0 Gy) were determined. The number of leukocytes was lower especially 1 and 2 weeks after irradiation. A significant decrease in lymphocytes was observed 1 week and in monocytes 1 and 2 weeks...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02818710
更新日期:2002-01-01 00:00:00
abstract::The synergistic anticandidal activity of three diketopiperazines [cyclo-(L-Pro-L-Leu) (1), cyclo-(D-Pro-L-Leu) (2), and cyclo-(D-Pro-L-Tyr) (3)] purified from a Bacillus sp. N strain associated with entomopathogenic nematode Rhabditis (Oscheius) in combination with amphotericin B and clotrimazole was investigated usin...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-013-0234-x
更新日期:2013-11-01 00:00:00
abstract::It is proposed that the transcription of the c-2 repressor gene initiates at two promoters, pre and prm, similarly to the transcription of the c-I gene of lambda phage. In the P22 phage, these promoters are defined by mutations of c54 and K5. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876780
更新日期:1975-01-01 00:00:00
abstract::We present the results of analysis of membrane phosphoproteomes from individual morphological stages of Streptomyces coelicolor that reflect developmentally dependent heterogeneity and phosphorylation of intrinsic and externally added purified Strepomyces aureofaciens EF-Tu. Fast growing nonpathogenic Mycobacterium sm...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-010-0029-2
更新日期:2010-05-01 00:00:00
abstract::We have investigated the expression of cyclins, cyclin dependent kinases (CDK), and CDK inhibitors (CKI) at the mRNA level in a panel of small-cell lung cancer (SCLC) cell lines in vitro and in vivo as xenografts in nude mice. The results showed that the cell lines expressed varying amounts of most cyclin and CDK's bu...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02820804
更新日期:1998-01-01 00:00:00
abstract::Genetic diversity of 89 isolates of Rhizoctonia solani isolated from different pulse crops representing 21 states from 16 agro-ecological regions of India, 49 morphological, and 7 anastomosis groups (AGs) was analyzed using 12 universal rice primers (URPs), 22 random amplified polymorphic DNA (RAPD), and 23 inter-simp...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-012-0165-y
更新日期:2012-11-01 00:00:00
abstract::Viridans group streptococci bloodstream infections (VGS BSI) remain a significant cause of mortality and morbidity in patients with severe neutropenia. The goal of our study was to evaluate clinical course and microbiological susceptibility of VGS BSI at our center. Retrospective analysis of all microbiologically docu...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-017-0542-7
更新日期:2018-03-01 00:00:00
abstract::Three types of heterogeneous preparations and four types of preparations of polysaccharide nature were obtained in studies aimed at the isolation of active compounds from Aspergillus flavus conidia bearing their biological stimulatory activity. Extraction with trichloroacetic acid at 0 degrees C yielded a preparation ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927425
更新日期:1981-01-01 00:00:00
abstract::A series of experiments were performed with P. aeruginosa to demonstrate which of the biochemical mechanisms are responsible for the resistance to the beta-lactam antibiotics. The constitutive beta-lactamase was isolated and characterized for the strain used as type OXA whose pI was 7.1, with a molar mass of 49 kg/mol...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877216
更新日期:1987-01-01 00:00:00
abstract::In this report, Gluconobacter strains were screened for coenzyme Q10 (CoQ10) production. A thermotolerant strain, Gluconobacter japonicus FM10, was eventually employed for CoQ10 production optimization. To do so, a two-step optimization strategy was used. The first step focused on biomass increase and the second step ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-018-0666-4
更新日期:2019-07-01 00:00:00
abstract::Five arsenic-resistant bacterial strains (designated MP1400, MP1400a, MP1400d, APSLA3, and BPSLA3) were isolated from soils collected at the Alps region (Italy), which showed no contamination by arsenic. Phylogenetic analysis of the 16S rRNA gene sequences assigned them to the genera Pseudomonas and Bacillus. Bacillus...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/s12223-011-0010-8
更新日期:2011-01-01 00:00:00
abstract::A soil streptomycete degraded hair, silk, wool, feather and leather which were collected from solid wastes. The organism was identified taxonomically and designated Streptomyces sp. A956. It degraded leather to the maximum extent and solubilized 35.9% of the total nitrogen, 2.32 mg of glycine equivalent amino nitrogen...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927178
更新日期:1979-01-01 00:00:00