Publications
Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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roselipins, inhibitors of diacylglycerol acyltransferase, produced by gliocladium roseum kf-1040. | gliocladium roseum kf-1040, a marine isolate, was found to produce a series of new inhibitors of diacylglycerol acyltransferase (dgat). four active compounds, designated roselipins 1a, 1b, 2a and 2b, were isolated from the fermentation broth of the producing strain by solvent extraction, ods column chromatography and preparative hplc. the highest production of roselipins was observed when cultured in the medium containing natural sea water. roselipins inhibit dgat activity with ic50 values of 15 ... | 1999 | 10580381 |
structure elucidation of roselipins, inhibitors of diacylglycerol acyltransferase produced by gliocladium roseum kf-1040. | the structures of roselipins 1a, 1b, 2a and 2b were elucidated by spectroscopic studies including 1h-1h cosy, 13c-1h cosy, 13c-1h hmqc and 13c-1h hmbc nmr experiments, and degradation experiments. they have the common skeleton of 2,4,6,8,10,12,14,16,18-nonamethyl-5,9,13-trihydroxy-2e,6e, 10e-icosenoic acid modified with a d-mannose and a d-arabinitol. roselipin a and b groups were stereoisomers at the arabinitol moiety, which esterified the fatty acid from the different terminal hydroxy residue. ... | 1999 | 10726930 |
the mycoparasite ampelomyces quisqualis expresses exga encoding an exo-beta-1,3-glucanase in culture and during mycoparasitism. | abstract ampelomyces quisqualis, a mycoparasite of fungi causing powdery mildews, exhibited high levels of extracellular exo-beta-1,3-glucanase activity in culture compared with neurospora crassa and gliocladium roseum. a. quisqualis culture filtrates affected powdery mildew caused by sphaerotheca fusca in a manner indicative of cell wall degradation, as determined by microscopic examination. a gene encoding an exo-beta-1,3-glucanase in a. quisqualis, designated exga, was isolated and sequenced. ... | 1999 | 18944674 |
[effect of inoculation time on the survival of spores of gliocladium roseum on geranium leaves.]. | gliocladium roseumis a successful antagonist of botrytis cinerea and is considered to have the major potential for biocontrol of the pathogen in cropping systems. in order to elucidate the optimal moment of the day to apply the biological control agent, geranium plants were inoculated until run off with a suspension containing 10 e7 conidia of g. roseum + tritón 100x. the inoculation times were 9 am, 12 am, 3 pm and 6 pm. the number cfu per cm(2) of leaves at inoculation time (time 0) and at 3, ... | 1999 | 18473563 |
[mycoparasites effect on reproductive ability of sclerotinia sclerotiorum sclerotia.]. | the ability to parasitise sclerotinia sclerotiorum and the effect on apothecia production was evaluated for the following antagonists: trichoderma harzianum; trichoderma koningii; gliocladium roseum and chaetomium globosum. plastic trays were filled with of steam-sterilized soil. each one of them was infested with sclerotia of s. sclerotiorum and the culture of the antagonists. the trays were kept in a greenhouse and after 30, 60 and 90 days, evaluations were made. the rates of carpogenic germin ... | 1998 | 17655415 |
biological control of botrytis cinerea in cyclamen with ulocladium atrum and gliocladium roseum under commercial growing conditions. | abstract the effect of treatments with conidial suspensions of ulocladium atrum and gliocladium roseum on leaf rot of cyclamen caused by botrytis cinerea was investigated under commercial greenhouse conditions. spraying u. atrum (1 x 10(6) conidia per ml) or g. roseum (2 x 10(6) conidia per ml and 1 x 10(7) conidia per ml) at intervals of 2 to 3 weeks during the production period and spraying u. atrum (1 x 10(6) conidia per ml) at intervals of 4 to 6 weeks resulted in a significant reduction of ... | 1998 | 18944911 |
glisoprenins c, d and e, new inhibitors of appressorium formation in magnaporthe grisea, from cultures of gliocladium roseum. 1. production and biological activities. | glisoprenins c, d, and e, new glisoprenin derivatives, were isolated together with glisoprenin a from submerged cultures of the deuteromycete gliocladium roseum ha190-95. all glisoprenins inhibited appressorium formation in magnaporthe grisea on inductive (hydrophobic) surfaces. the compounds exhibited moderate cytotoxic, but no antifungal, antibacterial or phytotoxic activities. | 1998 | 9544931 |
glisoprenins c, d and e, new inhibitors of appressorium formation in magnaporthe grisea, from cultures of gliocladium roseum. 2. structure determination. | 1998 | 9544946 | |
production and characterization of a monoclonal antibody raised against surface antigens from mycelium of gaeumannomyces graminis var. tritici: evidence for an extracellular polyphenol oxidase. | abstract a murine monoclonal antibody (mab) of immunoglobulin class m (igm) was raised against surface antigens from gaeumannomyces graminis var. tritici and, by enzyme-linked immunosorbent assay, recognized isolates of g. graminis var. tritici, g. graminis var. avenae and g. graminis var. graminis. characterization of the antigen by heat and protease treatments showed that the epitope recognized by the mab was a protein. antigen production was detected only in live mycelia. immunofluorescence s ... | 1997 | 18945163 |
production of free amino acids by some earthworm-borne microorganisms. | production of free amino acids by some earthworm-borne microorganisms was investigated in three different synthetic media. among the fungi tried gliocladium roseum and heterocephallum aurantiacum; among bacteria screened bacillus macerans and b. mycoides; and among actinomycetes tested streptomyces rimosus, s. violans, s. antibiticus, s. corchorusii and s. atroolivaceus produced significant amount of free amino acids. no correlations could be observed between vegetative growth and free amino aci ... | 1995 | 8972137 |
monoclonal antibodies to gliocladium roseum, a potential biological control fungus of sap-staining fungi in wood. | immunological probes were developed to discriminate between a potential biological control fungus and sap-staining fungi present in wood. this paper describes the production of monoclonal antibodies to isolated cell wall fragments of the biological control fungus gliocladium roseum. two monoclonals, designated 6a5 and 3f12, were characterized. their specificity was assessed by elisa, by immunogold silver staining light microscopy, by immunogold electron microscopy, and by immunoblotting. monoclo ... | 1992 | 1479354 |
microbial cleavage of zearalenone. | 1. zearalenone, a fungal oestrogenic compound, was subjected to microbial transformation studies. preliminary screening with 150 fungal species showed that gliocladium roseum was capable of metabolizing zearalenone in 80-90% yields. 2. large-scale fermentation with g. roseum produced a 1:1 mixture of 1-(3,5-dihydroxyphenyl)-10'-hydroxy-1-undecen-6'-one and 1-(3,5-dihydroxyphenyl)-6'-hydroxy-1-undecen-10'-one. the compounds were isolated and purified at -20 degrees c, and identified using spectro ... | 1988 | 2969647 |
selective effects of two systemic fungicides on soil fungi. | bas 317 00f was not toxic to the total count of fungi after 2 days but was regularly significantly toxic at the three doses after 5, 20 and 40 days and toxic at the low and the high doses after 80 days. in the agar medium, it was toxic to the counts of total fungi. aspergillus, a. terreus, rhizopus oryzae and mucor racemosus at the high dose. only the mycelial growth of trichoderma viride which was significantly inhibited by the three doses when this fungicide was added to the liquid medium. pol ... | 1982 | 6290890 |
the influence of water-logging stage upon the paddy soil mycoflora in the ukraine. | the soil fungal flora of paddy soils from the southern districts of the ukraine was investigated. from 287 soil samples 170 species were isolated. they belonged to the following genera: oomycetes 1.2%, zygomycetes 8.8%, ascomycetes 5.8%, deuteromycetes 84.2%. certain fungi were found to be dominant forms, among them mortierella alpina peyron., penicillium funiculosum thom, p. rugulosum thom, p. chrysogenum thom, acremonium strictum w. gams, acr. breve w. gams, alternaria alternata (fr.) riessler ... | 1978 | 726714 |
distributional patterns of mesophilous and thermophilous microfungi in two bahamian soils. | this study focuses on the characteristics displayed by mesophilous and thermophilous microfungal populations occurring in two tropical monodominant plant communities, a cocos nucifera grove and a casuarina equisetifolia forest, that provide distinctly different edaphic conditions. the mesophilous population sampled at 25 degrees c by the dilution plate method and the thermophilous population that developed on soil plates incubated at 45 degrees c consisted of 1693 isolates representing 60 specie ... | 1975 | 1214847 |
a perfusion technique for the detection of fungal interreaction. 1. effect of gliocladium roseum on six cellulolytic fungi. | 1970 | 5531234 | |
studies on the host-finding mechanisms of neotylenchus linfordi. | the plant-parasitic nematode, neotylenchus linlordi, congregated around colonies or filtrates from mycelia of gliocladium roseum, rhizoctonia solani, pyrenochaeta terrestris and chaetomium indicum. the average time required for the nematodes to reach the fungal colonies ranged from less than 4 hr for g. roseum to 20 hr for r. solani. nematodes first circled near the point of introduction, then moved toward the fungus or filtrate. several methods of measuring the response of n. linfordi to g. ros ... | 1970 | 19322281 |
incorporation of 5-methylorcylaldehyde and methionine into the acetogenin (polyketide) gliorosein in gliocladium roseum i.m.i. 93065. | 1. methyl-(14)c-labelled 1,3-dihydroxy-4,5-dimethylbenzene, 5-methylorcylaldehyde and 5-methylorsellinic acid were synthesized from orcinol and sodium [(14)c]cyanide and tested for activity as precursors of gliorosein. ring-(14)c-labelled orcylaldehyde was also prepared. 5[(14)c]-methylorcylaldehyde was incorporated into gliorosein (36% conversion); all the radioactivity was located in the c-methyl groups. 5-methylorsellinic acid was decarboxylated by gliocladium roseum and the resulting phenol ... | 1968 | 5691382 |
studies on the biosynthesis of phenols in fungi. biosynthesis of 3,4-dimethoxy-6-methyltoluquinol and gliorosein in gliocladium roseum i.m.i. 93 065. | 1. gliorosein was obtained in excellent yield (150mg./200ml. of raulin-thom medium) from surface cultures of gliocladium roseum. its nuclear-magnetic-resonance spectrum showed conclusively that it is 1,6-dihydro-3,4-dimethoxy-6-methyltoluquinone. 2. sodium [2-(14)c]acetate was incorporated into gliorosein and the related products (3.3% conversion). the specific activities of these substances increased in the order gliorosein, 3,4-dimethoxy-6-methyltoluquinol, the related quinhydrone and quinone, ... | 1967 | 6067663 |
new phenolic metabolites from gliocladium roseum. | 1965 | 14298279 | |
biosynthesis of gliorosein in gliocladium roseum i.m.i. 93065. | 1965 | 14342488 |