| genetic analysis of the coloured mutants of aspergillus niger. | | 1970 | 5488989 |
| effect of trace elements on citric acid fermentation by aspergillus niger. | citric acid yields of 98.7% (sugar consumption basis) were reached in shaker flasks with mutant uv-et-71-15 of aspergillus niger in a resin-treated sucrose medium of the following composition (g/100 ml): sucrose, 14.0; nh(4)no(3), 0.20; kh(2)po(4), 0.10; mgso(4).7h(2)o, 0.025; and (mg/liter): feso(4), 0.15 to 0.75; znso(4), 0.10; and cuso(4), 0.01. yields of 75% were obtained in medium with resin-treated clarified syrup and 68% with ferrocyanide-treated blackstrap molasses. optimal conditions in ... | 1970 | 5492439 |
| influence of the level of the carbon source on the autolysis of aspergillus niger. | | 1970 | 5495469 |
| metabolism of aromatic compounds by fungi: conversion of beta-carboxymuconolactone into 3-oxoadipate in aspergillus niger. | | 1970 | 5500347 |
| [stability of properties in mutants of aspergillus niger, preserved by different methods]. | | 1970 | 5513400 |
| a study of the esterases and their function in candida lipolytica, aspergillus niger and a yeast-like fungus. | | 1970 | 5515105 |
| caproic acid metabolism and the production of 2-pentanone and gluconic acid by aspergillus niger. | | 1970 | 5515108 |
| [enzyme activity of aspergillus niger mutants obtained by roentgen irradiation]. | | 1970 | 5526124 |
| [study on the enzyme transfer of d-(14c) mannose from gdp-(14c) mannose, on an endogenous acceptor found in the microsomes of aspergillus niger]. | | 1971 | 5541502 |
| regulation of the pathway for the degradation of anthranilate in aspergillus niger. | studies were carried out to determine the factors governing the induction of anthranilate hydroxylase and other enzymes in the pathway for the dissimilation of anthranilate by aspergillus niger (ubc 814). the enzyme was induced by growth in the presence of tryptophan, kynurenine, anthranilate, and, surprisingly, by 3-hydroxyanthranilate, which was not an intermediate in the conversion of anthranilate to 2,3-dihydroxybenzoate. there was an initial lag in the synthesis of anthranilate hydroxylase ... | 1971 | 5563863 |
| biosynthesis of acid protease in aspergillus niger as-vii. | | 1971 | 5564280 |
| partial purification and properties of an aspergillus niger beta-d-xylosidase. | | 1971 | 5579217 |
| enzymic glucosylation of phenols. | 1. a transglucosylase fraction has been obtained from the mycelium of aspergillus niger. 2. the preparation will transfer alpha-d-glucopyranosyl residues from maltose and other alpha-d-glucopyranosides to phenolic and alcoholic hydroxyl groups and to carboxylic acid groups. 3. alpha-isomaltosides and alpha-maltosides are formed when resorcinol and catechol are used as acceptors. 4. ph precipitation and deae-cellulose chromatography were used to resolve the activity into two fractions. the proper ... | 1967 | 5584008 |
| [endopolyglycosidase from aspergillus niger hydrolysing glucomannans from eremuruses]. | | 1967 | 5599805 |
| [attempt to label biotin with sulfur-35 by aspergillus niger]. | | 1967 | 5624130 |
| [acid metabolism in aspergillus niger. vi. interpretation of the relationship between c-n ratio in the end substrate and the accumulation of oxalic acid]. | | 1967 | 5633286 |
| aspergillus niger technique for the bioassay of manganese. | | 1968 | 5640230 |
| anthranilic acid hydroxylase from aspergillus niger. | | 1968 | 5656066 |
| some observations on the aspergillin of aspergillus niger. | | 1968 | 5661613 |
| some factors affecting the formation of protoplasts in aspergillus niger. | | 1968 | 5672585 |
| induction of asexual sporulation in aspergillus niger in submerged liquid culture. | | 1968 | 5677992 |
| electron microscopy of swelling and germinating conidiospores of aspergillus niger. | | 1968 | 5679663 |
| metabolism of dethiobiotin in aspergillus niger. | | 1968 | 5679971 |
| systemic aspergillosis caused by aspergillus niger after open-heart surgery. | | 1968 | 5694155 |
| biosynthesis of citric acid. the influence of hydrogens ion concentration on the microbial production of citric acid by various aspergillus niger strains. | | 1968 | 5704127 |
| [on the localization of saccharose uptake in submerged mycelium of aspergillus niger]. | | 1968 | 5706423 |
| growth rate and haploidization of aspergillus niger on medium containing p-fluorophenylalanine. | | 1968 | 5713602 |
| estimation of nuclear ratio and its influence on the rate of growth of aspergillus niger heterocaryon. | | 1968 | 5713661 |
| [the effect on the animal organism of enzymatic preparations isolated from cultures of the pectolytic strain of the mold fungus aspergillus niger]. | | 1968 | 5719993 |
| effects of nitrogenous compounds on sclerotium formation in aspergillus niger. | | 1968 | 5724894 |
| conversion of dethiobiotin to biotin in aspergillus niger. | | 1968 | 5726894 |
| enzymatic oxalate decarboxylation in aspergillus niger. ii. hydrogen peroxide formation and other characteristics of the oxalate decarboxylase. | | 1968 | 5729956 |
| [hydroxylation in the 5th position of indolyl-3-acetic acid by a submerged culture of aspergillus niger]. | | 1968 | 5732050 |
| [transformation of tryptamine by aspergillus niger]. | | 1968 | 5732065 |
| [studies on aeration. v. aeration conditions in fermentations of aspergillus niger in 3000 liters fermentors]. | | 1968 | 5734041 |
| [toxicity of lead for aspergillus niger]. | | 1968 | 5734419 |
| [effect of nitrogen and phosphorus sources on biosynthesis of pectolytic enzymes by aspergillus niger]. | | 1968 | 5735970 |
| [toxic effect of a lead complex with dl-cysteine on aspergillus niger]. | | 1968 | 5735976 |
| [the accumulation of free amino acids in the fungus aspergillus niger]. | | 1968 | 5747910 |
| enzymatic degradation of linseed mucilage. i. isolation and characterization of extracellular enzyme produced by aspergillus niger. | | 1968 | 5755006 |
| [cytochemical demonstration of hydrolases and enzymes of carbohydrate metabolism in facultatively pathogenic molds (aspergillus niger, aspergillus fumigatus, scopulariopsis brevicaulis and verticillium cinnabarinum)]. | | 1968 | 5761200 |
| properties of purified alpha-l-arabinofuranosidase from aspergillus niger. | | 1969 | 5763404 |
| transformation of nutritionally deficient mutants of aspergillus niger. | | 1969 | 5764732 |
| glycosidases of aspergillus niger. i. purification and characterization of alpha- and beta-galactosidases and beta-n-acetylglucosaminidase. | | 1969 | 5772469 |
| [research on the degradation mechanism of a purified polygalacturonase from aspergillus niger]. | | 1969 | 5776241 |
| comparison of acid-stable and acid-unstable alpha-amylases of aspergillus niger by optical rotatory dispersion studies. | | 1969 | 5778179 |
| salicylate degradation by aspergillus niger: influence of glucose. | | 1969 | 5779881 |
| microbiological hydroxylation of cinerone to cinerolone. | cinerone [2-(2'-cis-butenyl)-3-methyl-2-cyclopenten-1-one] is hydroxylated to cinerolone [2-(2'-cis-butenyl)-3-methyl-4-hydroxy-2-cyclopenten-1-one] by a number of streptomycetes, bacteria, and fungi. aspergillus niger atcc 9,142 and streptomyces aureofaciens atcc 10,762 were found to be the most effective hydroxylators. the optical activity of the product was found to range from [alpha](d) (25) 0 degrees to -8.6 degrees , depending on the organism and conditions of culture. two additional hydro ... | 1969 | 5785954 |
| release of aspergillus niger protoplasts by penicillium purpurogenum enzymes. | | 1969 | 5787735 |
| pyruvate carboxylase of aspergillus niger: kinetic study of a biotin-containing carboxylase. | | 1969 | 5795783 |
| partial complementation in aspergillus niger heterocaryon. | | 1969 | 5799247 |
| circular dichroism of amine oxidase from aspergillus niger. | | 1969 | 5804881 |
| antifungal effects of peroxidase systems. | in the presence of hydrogen peroxide and either potassium iodide, sodium chloride, or potassium bromide, purified human myeloperoxidase was rapidly lethal to several species of candida. its candidacidal activity was inhibited by cyanide, fluoride, and azide, and by heat inactivation of the enzyme. a hydrogen peroxidegenerating system consisting of d-amino acid oxidase, flavine-adenine dinucleotide, and d-alanine could replace hydrogen peroxide in the candidacidal system. horseradish peroxidase a ... | 1969 | 5817553 |
| biosynthesis of glucohydrolase i, a glycoenzyme from aspergillus niger. | | 1969 | 5822397 |
| a glycoprotein structure for glucose oxidase from aspergillus niger. | | 1965 | 5861996 |
| the composition of the cell wall of aspergillus niger. | 1. the cell-wall composition of aspergillus niger has been investigated. analysis shows the presence of six sugars, glucose, galactose, mannose, arabinose, glucosamine and galactosamine, all in the d-configuration, except that a small amount of l-galactose may be present. sixteen common amino acids are also present. 2. the wall consists chiefly of neutral carbohydrate (73-83%) and hexosamine (9-13%), with smaller amounts of lipid (2-7%), protein (0.5-2.5%) and phosphorus (less than 0.1%). the ac ... | 1965 | 5862404 |
| the partial acid hydrolysis of a highly dextrorotatory fragment of the cell wall of aspergillus niger. isolation of the alpha-(1-3)-linked dextrin series. | 1. a highly dextrorotatory polysaccharide (alpha(d)+232 degrees in n-sodium hydroxide), previously isolated as a fragment of aspergillus niger cell walls, was prepared from whole mycelium and subjected to partial acid hydrolysis. 2. fractionation of the hydrolysate on a charcoal column with a linear gradient of ethanol yielded a series of oligosaccharides. the disaccharide member was shown to be nigerose (3-o-alpha-d-glucopyranosyl-alpha-d-glucopyranose), although a small proportion of the disac ... | 1965 | 5862405 |
| beta-glucan hydrolases from aspergillus niger. isolation of a beta-(1-4)-glucan hydrolase and some properties of the beta-(1-3)-glucan-hydrolase components. | 1. the components of an enzyme preparation from aspergillus niger, which hydrolysed substrates containing beta-(1-->3)- and beta-(1-->4)-glucosidic linkages, were separated by calcium phosphate and dowex 1 column chromatography. 2. the hydrolytic activity of each fraction from both types of column towards laminaribiose, laminarin, carboxymethylpachyman, pachydextrins, salicin, cellobiose, cellopentaose and swollen cellulose was tested. 3. the activity towards the beta-(1-->3)-glucosidic substrat ... | 1965 | 5862417 |
| properties of a beta-(1-4)-glucan hydrolase from aspergillus niger. | 1. a beta-(1-->4)-glucan hydrolase prepared from aspergillus niger, as described by clarke & stone (1965a), showed a ph optimum in the range 4.5-6 and k(m) 0.25% when acting on a cellulose dextrin sulphate substrate. 2. the hydrolase rapidly decreased the specific viscosity of carboxymethylcellulose with a small increase in the production of reducing sugars. the identity of the products of hydrolysis of cellotetraose, cellopentaose and their reduced analogues indicate a preferential cleavage of ... | 1965 | 5862418 |
| production of the enzyme naringinase by aspergillus niger. | the formation of naringinase, a glycolytic enzyme produced by aspergillus niger, is repressed by glucose. production of the enzyme is decreased below ph 4.0 and is stimulated by the presence of substrate. fermentation conditions are described which cause the formation of the enzyme in approximately a fivefold greater concentration than that previously described. | 1965 | 5866035 |
| [malate dehydrogenase and glyoxylate reductase of aspergillus niger]. | | 1965 | 5873329 |
| [on the knowledge of the so-called glucose oxidase. 8. effect of a variation of c and n sources on the induced enzyme formation by aspergillus niger]. | | 1965 | 5884705 |
| [on the methods of selecting mutants of aspergillus niger with altered capacity to synthetize organic acids]. | | 1965 | 5887708 |
| [investigations on the effect of amino acids on the formation of citric acid by aspergillus niger. 1. action of several organic nitrogen sources on the mycelium activity of aspergillus niger in surface culture]. | | 1965 | 5898369 |
| inhibitory effect of the vapours of antifungal compounds on aspergillus niger. | | 1966 | 5912078 |
| the effect of substituted phenoxyacetic and phenoxybutyric acids on the growth and respiration of aspergillus niger. | | 1966 | 5912592 |
| on the reaction of the glucose oxidase from aspergillus niger with bisulfite. | | 1966 | 5913131 |
| direct evidence for the conversion of dethiobiotin to biotin in aspergillus niger. | | 1966 | 5928209 |
| electromicroscopy studies of conidial walls of sphaerotheca macularis, penicillium levitum, and aspergillus niger. | | 1966 | 5929166 |
| the effect of hydrogen peroxide on glucose oxidase from aspergillus niger. | | 1966 | 5938931 |
| synthesis of malformin by an enzyme preparation from aspergillus niger. | yukioka, m. (university of hawaii, honolulu), and t. winnick. synthesis of malformin by an enzyme preparation from aspergillus niger. j. bacteriol. 91:2237-2244. 1966.-an enzyme fraction derived from disrupted aspergillus cells was able to utilize each of the component labeled amino acids of malformin for the synthesis of this cyclic pentapeptide. the process was stimulated by adenosine triphosphate, k(+), and mg(++), and was optimal at approximately ph 8.5. it was not affected by inhibitors of ... | 1966 | 5943939 |
| fungal detoxication. 8. metabolism of substituted 4-phenoxybutyric acids by aspergillus niger. | | 1966 | 5948687 |
| aspergillus niger infection of the eye. | | 1966 | 5957897 |
| formation of protoplasts in aspergillus niger. | | 1966 | 5958594 |
| [studies on the cytochemical determination of glucose oxidase (e.c. 1.1.3.4) in aspergillus niger]. | | 1966 | 5959123 |
| biosynthesis of malformin in washed cells of aspergillus niger. | | 1966 | 5963030 |
| the pectic enzymes of aspergillus niger. a mercury-activated exopolygalacturonase. | 1. an exopolygalacturonase was separated from a mycelial extract of aspergillus niger with a 290-fold purification and a recovery of 8.6%. 2. the enzyme displayed its full activity only in the presence of hg(2+) ions; k(a) for mercuric chloride was about 6x10(-8)m. 3. the mercury-activated enzyme progressively removed the terminal galacturonic acid residues from alpha-(1-->4)-linked galacturonide chains and converted digalacturonic acid, trigalacturonic acid, tetragalacturonic acid and pectic ac ... | 1966 | 5964957 |
| aconitase and isocitric dehydrogenases of aspergillus niger in relation to citric acid production. | | 1966 | 5965361 |
| effects of d2o on citric acid and pyruvate carboxylase formation by aspergillus niger. | | 1966 | 5966515 |
| effect of ferrocyanide on growth and citric acid production by aspergillus niger. | | 1966 | 5972643 |
| proteinase formation in relation to physiological activities of growing mycelia of aspergillus niger. | | 1966 | 5982534 |
| [studies of acid metabolism of aspergillus niger. ii. the effect of c-n ratio in the original medium on the fluconic, citric and oxalic acid accumulation at controlled ph value and medium temperature (30 degrees c)]. | | 1966 | 5985352 |
| [on theeffect of hydrogen peroxide on citric acid accumulation in aspergillus niger]. | | 1966 | 5989268 |
| [studies on the metabolism of acids in aspergillus niger. iv. on the participation of autolysis in the accumulation of xalic acid]. | | 1966 | 5989423 |
| [studies on the metabolism of acids in aspergillus niger. 3. effect of the c/n ratio in the starting culture medium on the accumulation of gluconic-, citric-, and oxalic acid under controlled ph and extreme temperatures (43 and 10 deree c)]. | | 1966 | 5989526 |
| [studies on the metabolism of acids in aspergillus niger. v. on the participation of the catabolism of gluconic and citric acid in the accumulation of oxalic acid]. | | 1966 | 5992183 |
| [aspergillus niger alanine dehydrogenase]. | | 1966 | 6002774 |
| [aspergillus niger variability provoked by combined effect of ethylenimine and uv-irradiation]. | | 1966 | 6002783 |
| [toxicity of lead to aspergillus niger]. | | 1966 | 6003006 |
| effects of glucose oxidase inhibition on carbohydrate metabolism in aspergillus niger. | | 1966 | 6005321 |
| biosynthesis of citric acid. 3. dynamic role of metal ions in the production of citric acid by aspergillus niger. | | 1966 | 6013721 |
| [sedimentation and diffusion coefficients from the transport of enzymatic activities. application of the method of determination to the glucose oxidases from penicillium notatum (notatin) and aspergillus niger (nigerin)]. | | 1967 | 6030353 |
| effect of glucamylase on tissue glycogen and tissue glucamylase in the rat. | 1. a fungal glucamylase (alpha-1,4-glucan glucohydrolase, ec 3.2.1.3) from aspergillus niger depresses liver glycogen stores after intraperitoneal injection into the rat. the injected enzyme rapidly disappears (within about 8hr.) from the serum; less than 1% is excreted in the urine, but it is rapidly taken up in the liver, spleen, kidney, cardiac and skeletal muscle. elevated glucamylase concentrations could be demonstrated in liver and spleen tissues for 1-4 days after injection, but in kidney ... | 1967 | 6032976 |
| resistivity of spores to ultraviolet and gamma radiation while exposed to ultrahigh vacuum or at atmospheric pressure. | viability studies were conducted on microbial spores subjected to ultrahigh vacuum (uhv) in the 10(-9) to 10(-10) torr range. after 5 to 7 days in vacuum, they were exposed to ultraviolet (uv) or to gamma radiation either while still under vacuum or in the presence of dried air. among the four test organisms subjected to uhv and ultraviolet radiation, aspergillus niger was the most resistant; bacillus megaterium, b. subtilis var. niger, and b. stearothermophilus were about equally less resistant ... | 1967 | 6035043 |
| antifungal activity of isothiocyanates and related compounds. i. naturally occurring isothiocyanates and their analogues. | data are presented concerning the antifungal activity of 11 natural isothiocyanates and 27 synthetized analogues in aspergillus niger, penicillium cyclopium, and rhizopus oryzae, as well as in 13 additional saprophytic and parasitic fungi. a remarkable antifungal activity was observed in some analogues of benzylisothiocyanate and beta-phenylethylisothiocyanate. the latter-mentioned compounds have not been described previously. in the group of benzylisothiocyanates, a correlation, which was inver ... | 1967 | 6049294 |
| antifungal activity of isothiocyanates and related compounds. ii. mononuclear aromatic isothiocyanates. | antifungal activity on aspergillus niger, penicillium cyclopium, and rhizopus oryzae, as well as on additional saprophytic and parasitic fungi, was determined in 57 substituted derivatives of phenylisothiocyanate. most of the investigated compounds displayed rather equal activity against the three mentioned fungi, in contradistinction to the analogues of natural benzyl- and beta-phenylethylisothiocyanate with their characteristic low activity against r. oryzae. differences occurred in the type o ... | 1967 | 6049295 |
| evidence for a buried location of nigeran in the cell wall of aspergillus niger. | | 1967 | 6052487 |
| the parasitism of the mould penicillium purpurogenum on aspergillus niger. i. isolation of cell walls from the mycelium of aspergillus niger grown by the surface method. | | 1967 | 6053292 |
| the parasitism of the mould penicillium purpurogenum on aspergillus niger. ii. the course of the lysis and some properties of the crude preparation of the enzymolytic system. | | 1967 | 6053293 |
| the parasitism of the mould penicillium purpurogenum on aspergillus niger. 3. the determination of the part of some enzymes of penicillium purpurogenum in the mycelium lysis of the mould aspergillus niger. | | 1967 | 6056766 |