Publications

inhibition of some mycotoxigenic fungi by iturin a, a peptidolipid produced by bacillus subtilis.	bacillus subtilis produces peptidolipid compounds of the iturin group that have been shown to have antifungal properties, but not all fungal species are sensitive to these compounds. in this study, the activity of iturin a, produced by b. subtilis strain b-3, was tested. paper disks impregnated with various concentrations of iturin a were placed on agar plates seeded with conidia of toxigenic species of fusarium, gerlacia, penicillium or aspergillus. most isolates were inhibited at iturin a conc ...	1991	1780001
pectin lyase activity in a penicillium italicum strain.	an extracellular pectin lyase (pnl) [poly-(methoxygalacturonide)lyase; ec 4.2.2.10] produced by penicillium italicum cect 2294 grown on a surface bran (natural medium) or in a submerged (synthetic medium) culture was investigated. both culture filtrates showed macerating activity at low ph on cucumber, potato, and orange tissues. the physicochemical properties of the enzyme obtained from both culture methods were identical, as well as its catalytic properties, which were assayed by different met ...	1990	16348377
effect of various organic compounds on synthesis of glucoamylase by an isolated strain penicillium italicum.	yeast extract (0.5%) stimulates the production of glucoamylase and cell synthesis while methylene blue (0.1 mm) activates the synthesis of glucoamylase. studies on the metabolic changes during fermentation of glucoamylase in a selected medium by p. italicum show that the rate of production of glucoamylase and cellular growth are greatly accelerated between 48 and 168 hr. rapid growth of cells during this period may account for enhanced utilization of maltose and nh4no3 from the medium. the acid ...	1989	2517423
pectin lyase production by a penicillium italicum strain.	growth and concomitant production of an extracellular pectin lyase (pl) [poly(methoxylgalactosiduronate) endolyase; ec 4.2.2.10] were investigated in a group of 16 fungi grown in liquid medium containing pectin as a supplementary carbon source. culture filtrates of both penicillium italicum (cect 2294) and p. expansum (cect 2275) showed the highest pl activity and contained polygalacturonase but not pectinesterase activity. the effect of the inoculum size, the carbon source (sucrose and glucose ...	1989	16347954
synergistic effect of fungicides on resistant strains of penicillium italicum and penicillium digitatum.	in vitro and in vivo tests were carried out to study the inhibitory effect of mixtures of sodium orthophenylphenate, methyl-1-(butyl-carbamoyl)-2-benzimidazole ('benomyl') and sodium orthophenylphenate, 2-(4-thiazolil)-benzimidazole ('thiabendazole') on growth of strains of penicillium italicum and p. digitatum resistant to sodium orthophenylphenate, 'benomyl' and 'thiabendazole'. 'in vitro' tests showed a synergistic effect of the mixtures; 10 ppm of sodium orthophenylphenate and 10 ppm of the ...	1988	3275313
potential for development of tolerance by penicillium digitatum and penicillium italicum after repeated exposure to potassium sorbate.	two strains of penicillium digitatum and one strain of penicillium italicum were exposed to various levels of sorbic acid and potassium sorbate, and the mics were determined. selected strains of the molds were then repeatedly exposed to subinhibitory levels of the compounds to determine whether increased tolerance might develop. the mic of sorbic acid (ph 4.75) to p. digitatum was between 0.02 and 0.025%. the mic of sorbate (ph 5.5) to two strains of p. digitatum and p. italicum was found to be ...	1985	16346920
photochemical interaction of dictamnine, a furoquinoline alkaloid, with fungal dna.	the furoquinoline alkaloid dictamnine has been shown to provoke lethal damage to filamentous fungi in near ultraviolet light. the phototoxicity was more pronounced against mucor hiemalis and mucor ramannianus than against fusarium graminearum and penicillium italicum. in vitro, labeled dictamnine was shown to form covalent monoadducts with purified dna from m. hiemalis in the presence of long-wave ultraviolet light. addition of [3h]dictamnine to cultures of the same organism showed photobinding ...	1982	7104872
toxicity of penicillium italicum to laboratory animals.		1981	7262743
characterization and synthesis regulation of penicillium italicum 1,6-beta-glucanase.	the filamentous fungus penicillium italicum when grown in a synthetic medium, produced and secreted 1,6-beta-glucanase into the culture medium. this enzyme has been partially purified by gel filtration. after this step the active fractions were free of 1,3-beta-glucanase, alpha-amylase and beta-glucosidase activities. only four proteins, one associated with the enzyme, were found by polyacrylamide gel electrophoresis under non denaturing conditions. the enzyme behaves as an acidic protein (pi 4. ...	1979	42370
derepression of beta-1,3-glucanases in penicillium italicum: localization of the various enzymes and correlation with cell wall glucan mobilization and autolysis.	the localization of the derepressible beta-1,3-glucanases of penicillium italicum and the cell wall autolysis under conditions of beta-1,3-glucanase derepression (24 h in a low-glucose medium) were studied. about 15% of the total activity was secreted into the culture medium during the 24-h period and consisted of similar amounts of each of the three beta-1,3-glucanases (i, ii, iii) produced by this species. treatment of derepressed mycelia with periplasmic enzyme-inactivating agents resulted in ...	1979	762023
regulation of beta-1,3-glucanase synthesis in penicillium italicum.	the filamentous fungus penicillium italicum produced a certain level of beta-1,3-glucanase during active growth in a glucose-supplemented medium; however, at a low glucose concentration (2 to 10 mm), derepression took place and the specific activity of the enzyme increased significantly. derepressed cells (incubated in a glucose-limited medium) accumulated a capacity for the synthesis of beta-1,3-glucanase, which led to a subsequent increase in the specific activity even when the cells were tran ...	1978	415042
regulation of the beta-1,3-glucanase system in penicillium italicum: glucose repression of the various enzymes.	the microscopic fungus penicillium italicum when grown in a synthetic liquid medium produced at least three enzymes with beta-1,3-glucanase activity which were separated by diethylaminoethyl-sephadex column chromatography. these were named beta-1,3-glucanases i, ii, and iii respective to their order of elution from the column. a tentative characterization of these three enzymes indicated that they have different modes of action; the first one is an endoglucanase, the second is an exoglucanase, a ...	1978	627529
production and catabolite repression of penicillium italicum beta-glucanases.	the filamentous fungus penicillium italicum, grown in a defined liquid medium, produced beta-1,3-glucanase, which remained essentially bound to the cells, and beta-1,6-glucanase, an essentially extracellular enzyme. when glucose was depleted from the medium, when a limited concentration of glucose (0.2%) was maintained, or when the carbon source was galactose (3%) or lactose (3%), a significant increase in the specific activity of beta-1,3-glucanase, in cell extracts, took place. this was parall ...	1977	830646
formation of diketopiperazines by penicillium italicum isolated from oranges.	prolyl-2-(1',1'-dimethylallyl)tryptophyldiketopiperazine and 12,13-dehydroprolyl-2-(1',1'-dimethylallyl)tryptophyldiketopiperazine, known metabolites of aspergillus ustus, were produced in low yield by penicillium italicum in liquid culture and on unsterilized orange peel.	1974	4441068
[effect of the incubation temperature on the growth and spore formation of penicillium italicum and rhizopus nigricans treated with ionizing radiations].		1973	4777355
[effect of benlate on the physiology and mycelian composition of penicillium italicum].		1972	5034443
the utilization of l-tryptophan as nitrogen source by fusarium culmorum, aspergillus nidulans, and penicillium italicum.		1972	4559635
abscisic acid in penicillium italicum.	abscisic acid (aba) was found in penicillium italicum wehmer collected from the surface of infected oranges. after growth and subculturing 6 times on czapek's medium, the fungus did not contain any detectable aba.	1969	24515793
the chemical composition of the cell walss of penicillium digitatum sacc. and penicillium italicum whem.		1968	5653226
influence of α-terpineol on the growth and morphogenesis of penicillium digitatum.	plant essential oils could act effectively against postharvest diseases, α-terpineol, a typical terpenoid of plant essential oils, exhibited strong antifungal activity in against penicillium italicum, but the possible action mechanism remains undetermined. in present study, α-terpineol was evaluated for antibacterial activity against penicillium digitatum along with the mode of their antibacterial action.	0	28510844