解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
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医学实验室技术
医学,全科和内科
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整形外科学
耳鼻喉科学
病理学
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周围血管疾病
药理学和药剂学
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基本医疗保健
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生殖生物学
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心理学,临床
abstract::Mathematical expressions were derived for the dilution rate and concentration of algae determining the maximum biomass production in a semicontinuous algal culture. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02926655
更新日期:1979-01-01 00:00:00
abstract::Using the method of two separate UV exposures the increase of UV resistance after various induction fluences in growing and resting Escherichia coli B/r Hcr+ was followed. In resting cells, the optimum induction energy fluence was found to be 30 J/m2. In exponentially growing cells testing of induction has proved to b...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02926452
更新日期:1979-01-01 00:00:00
abstract::Cord and newborn sera were found to possess a significantly decreased in vitro bactericidal activity to Escherichia coli as compared to sera of adult individuals. Hyperbilirubinaemia in neonates suffering from both Rh and ABO incompatibility results in a further significant impairment of the bactericidal activity of t...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927298
更新日期:1979-01-01 00:00:00
abstract::Genetic mapping of the chromosome of the bacteriophage PS8 of Agrobacterium tumefaciens using temperature sensitive (ts) mutants of the bacteriophage is described. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927304
更新日期:1979-01-01 00:00:00
abstract::Several amino acids affected the amount of bacitracin produced by Bacillus licheniformis ATCC 10716 and the high-yielding mutant B. licheniformis AL. The possibility of an amino acid control mechanism for bacitracin biosynthesis is discussed. The two strains showed a different response to the addition of some amino ac...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02926454
更新日期:1979-01-01 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
abstract::Vibrio el tor cells contain a constitutive reductase enzyme which converts nitrofurantoin to an active principle that is responsible for the observed antibacterial activity of the drug. Acquisition of resistance of this strain towards nitrofurantoin is associated with the loss of this reductase. This enzyme is located...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02927181
更新日期:1979-01-01 00:00:00
abstract::Strains of fungi imperfecti of genera Aspergillus and Rhizopus were tested for the ability to produce alpha-mannosidases. The most suitable alpha-mannosidase producer of a total of 20 strains under study was Aspergillus Ravus Link 69. The parameters studied during the cultivation included the growth rate expressed as ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876433
更新日期:1978-01-01 00:00:00
abstract::Mutants of Streptomyces coeruleorubidus, blocked in the biosynthesis of anthracycline antibiotics of the daunomycine complex, were isolated from the production strains after treatment with UV light, gamma-radiation, nitrous acid, and after natural selection; according to their different biosynthetic activity the mutan...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876678
更新日期:1978-01-01 00:00:00
abstract::A new metabolite was isolated from the culture of Penicillium rugulosum and its structure was determined from physico-chemical data. Accompanying metabolites skyrin and rugulosin were characterized by UV, IR, CD, mass and NMR spectra. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876598
更新日期:1978-01-01 00:00:00
abstract::A total of 40 substances were tested for their inhibitory effect on the multiplication of a bacteriophage in a growing culture of Bacillus licheniformis and their influence on bacitracin production. Acriflavine was the only substance which, at a concentration of 3 microgram ml-1, completely suppressed phage multiplica...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876597
更新日期:1978-01-01 00:00:00
abstract::Oxygen uptake by the spores of Fusarium moniliforme, F. oxysporum, F. semitectum, F. solani, Mucor racemosus and Trichoderma viride was increased in the presence of volatile substances extracted from Origanum majorana and Ocimum basilicum. This increase was greater in the presence of volatile substances from O. basili...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02885580
更新日期:1978-01-01 00:00:00
abstract::Substitution with NO2, Cl, Br and I into position 6 of 2-benzthiazolthiol derivatives increased their antimicrobial efficiency while the SH group is preserved. This increase affected both G+ and G--bacteria, mycobacteria and some fungi. The degree of efficiency of the benzthiazol derivatives is also influenced by the ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876583
更新日期:1978-01-01 00:00:00
abstract::Cultivation media from 11 wood-rotting fungi contained alpha-mannosidase and mannanase activity, alpha-Mannosidase was studied in more detail in Phellinus abietis and mannanase was studied more intimately in basidiomycetes Phellinus abietis, Trametes sanguinea and Pholiota aurivella. Suitable cultivation conditions an...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876996
更新日期:1977-01-01 00:00:00
abstract::The highest level of secreted brefeldin A was present in glucose-grown cultures, intermediate levels in glucose-fructose, and xylose cultures and low levels in fructose- and galactose-grown cultures of Curvularia lunata. The biomass decreased from glucose, fructose, xylose, glucose-fructose to galactose cultures. Bref...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876993
更新日期:1977-01-01 00:00:00
abstract::The induction of tryptophanase was not affected by rifampicin in the rifampicin-resistant mutant of Vibrio el tor while the antibiotic inhibited the induction of tryptophanase in the normal strain at level of ribonucleic acid and protein synthesis. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877677
更新日期:1977-01-01 00:00:00
abstract::A small-colony forming variant of Escherichia coli with a mutation in the ncf gene was analysed. The alternation of the protein composition in the cytoplasmic membrane and the interaction with K and E group colicins indicated a membrane mutation. The effect of this mutation on some membrane-bound processes, the activi...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02885601
更新日期:1977-01-01 00:00:00
abstract::Investigation of the dependence of cell yield of Candida boidinii in a chemostat and specific growth rate in a turbidostat on temperature was carried out using methanol as substrate. Each of the curves obtained had only one maximum, the optimum temperature for yield (Ys) and for specific growth rate (micron) being som...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02885600
更新日期:1977-01-01 00:00:00
abstract::Using fermentation with a selected strain of Acetomonas oxydans it was possible to convert 2-deoxy-2-fluro-D-glucitol to 5-deoxy-5-fluoro-L-sorbose, in agreement with Bertrand's and Hudson's rule. The last-named compound was isolated in a yield of 88%. Both compounds were little toxic against Acetomonas oxydans. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877659
更新日期:1977-01-01 00:00:00
abstract::NaN3 was found to inhibit transformation but not the irreversible binding of donor 3H-DNA in competent cells of the original low-transformable strain Bacillus subtilis 168 trp2. Addition of NaN3 to cells of two mutants Bacillus subtilis HT39 and HT46 with an increased transformability decreased substantially the irrev...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877669
更新日期:1977-01-01 00:00:00
abstract::Cardiolipin synthesis was studied during the aerobic synchronous growth of aerobically grown yeast Saccharomyces cerevisiae. The time course of the synthesis was stepwise and the rise in cardiolipin level in cells coincided in time with the increase in cytochrome oxidase activity. This finding supports the notion of d...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876990
更新日期:1977-01-01 00:00:00
abstract::Oxidizing and assimilating ability of the yeast Candida utilis 49 was tested with 21 different low-boiling organic compounds which come as components of raw synthetic ethanol. The highest yields of yeast dry weight were obtained with ethanol (72.0%), propanol (48.2%), ethyl acetate (43.4%) and acetic acid (34.2%). To ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876965
更新日期:1976-01-01 00:00:00
abstract::The properties of the 37400 oncogenic strain of Agrobacterium tumefaciens are described. This strain was derived from the VI lysogenic strain originally isolated by Hamilton from a Zinnia elegans tumour. Strain 37400 has a number of properties which render it suitable for quantitative and genetic studies. It is cured ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876963
更新日期:1976-01-01 00:00:00
abstract::A naturally deficient thiamine and methionine requiring strain of Bacillus coagulans (Ms 5) accumulates lysine in medium only when exogenous pyridoxine (optimal concentration, 0.1 mu g/ml) are supplied. Threonine exerts an inhibitory effect at higher concentrations but pyridoxine does not. ...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02877085
更新日期:1975-01-01 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::The submerged culture of the Claviceps purpurea strain studied was polymorphous. In the process of alkaloid synthesis, cytodifferentiation preceded biochemical differentiation. The onset of the alkaloid phase was characterized by: predominance of chlamydospores in the culture, the presence of vegetative cells with red...
journal_title:Folia microbiologica
pub_type: 杂志文章
doi:10.1007/BF02876766
更新日期:1975-01-01 00:00:00