antifungal agents. 5. chemical modification of antibiotics from polyangium cellulosum var. fulvum. alcohol, ketone, aldehyde, and oxime analogues of ambruticin. | alcohol, ketone, aldehyde, and oxime analogues of ambruticin (1) were prepared. the analogues were tested against histoplasma capsulatum, microsporum fulvum, candida albicans, and streptococcus pyogenes. structure-activity relationships are described. increasing the bulk of substituent at c1 and c5 reduces antifungal activity. | 1979 | 114657 |
antifungal agents. 4. chemical modification of antibiotics from polyangium cellulosum var. fulvum. ester and amide analogues of ambruticin. | a series of ester and amide analogues of ambruticin (1) was prepared. the analogues were tested against histoplasma capsulatum, microsporum fulvum, candida albicans and streptococcus pyogenes. structure-activity relationships are described. | 1979 | 114661 |
in vitro and in vivo studies of ambruticin (w7783): new class of antifungal antibiotics. | ambruticin is a cyclopropyl-pyran acid, representing a new class of antibiotics. it has a relatively broad antifungal spectrum in vitro and is highly active against dimorphic as well as filamentous organisms. of 24 strains of dermatophytic fungi tested, the majority were susceptible to ambruticin at 0.049 mug/ml or less. the minimal inhibitory concentration for the systemic fungi histoplasma capsulatum and blastomyces dermatitidis was 0.049 to 0.39 mug/ml. ambruticin is fungicidal for metabolizi ... | 1978 | 666301 |
aflatoxin-like compounds produced by dermatophytes. | using the method of thin-layer chromatography there were investigated the chloroform extracts of 30 dermatophyte mycelia. it was found the presence of aflatoxin-like compounds in six mycelium extracts only, which chromatograms showed the equal rf and the colour of the strains to the strains to the standard aflatoxin extract of bruished peanuts grain rossetti. those six mycelia were: epidermophyton floccosum, nannizzia fulva, n. persicolor, arthroderma gloriae, trichophyton concentricum and t. ga ... | 1975 | 1170494 |
microsporum gypseum complex in man and animals. | twenty-eight strains of the microsporum gypseum complex isolated from humans and animals were studied. the perfect form was found for 25 of the isolates. nannizzia incurvata was the species most frequently involved in human pathology, while nannizzia gypsea was most frequently found on animal lesions. nannizzia fulva was rarely involved pathologically and nannizzia corniculata was not isolated during this study. it is surprising to note that this species was not found even though most of our str ... | 1992 | 1432489 |
studies on the pharmacological activity of amazonian euphorbiaceae. | plant material from 34 amazonian species of the family euphorbiaceae were collected and extracts prepared. sixteen of these species have a documented use as a medicinal agent. the extracts were tested for their ability to inhibit the growth of the bacteria, escherichia coli and staphylococcus aureus; the yeasts, saccharomyces cerevisiae and candida albicans; the dermatophytic fungi, microsporum canis, microsporum fulvum, microsporum gypseum and trichophyton gallinae; the viruses, sindbis virus a ... | 1988 | 3374150 |
[favus-like fungal disease of the scalp caused by microsporum fulvum, uriburu 1909 (nannizzia fulva, stockdale 1963), in a 3-year-old girl]. | | 1973 | 4756998 |
elastase: production by ringworm fungi. | isolants of nine species of trichophyton, one of epidermophyton, and four of microsporum were assayed for elastase activity. the species or isolants with elastase activity were obtained from patients with inflammatory ring-worm infection. in nannizzia fulva (m. fulvum), plus-mating-type strains were elastase-positive and minus-mating-type strains elastase-negative. a genetic study of mating type and elastase activity indicated a monogenic basis for both mating type and elastase activity. | 1967 | 5212526 |
the proteolytic enzymes of microsporum fulvum. | | 1968 | 5677984 |
differences in pathogenicity between microsporum gypseum and microsporum fulvum. | | 1967 | 6048624 |
nutritional requirements of keratinophilic fungi and dermatophytes for conidial germination. | germination of spores of chrysosporium crassitunicatum, nannizzia fulva (+), nannizzia fulva (-) and trichophyton equinum was studied in the presence of various carbon and nitrogen sources. effect of different temperatures on spore germination was also determined. maximum spore germination within 24 hours was recorded when glucose was used as a carbon source for all the test fungi. except sodium nitrate all the inorganic nitrogen sources enhanced the spore germination at 0.05% concentration. mos ... | 1982 | 6184619 |
a survey of dermatophytes isolated from human patients in the united states from 1979 to 1981 with chronological listings of worldwide incidence of five dermatophytes often isolated in the united states. | a survey of dermatophytes isolated from patients seeking medical advice was made from 1979 to 1981 in the united states. the survey included 54 locations with data from 40 cities and 2 states. correlations of these data with that of the other localities of the world were made to illustrate the dynamic epidemiology of several common dermatophytes. the most often isolated dermatophyte in this survey was trichophyton rubrum having 53.66% of the total for these three calendar years. in a chronologic ... | 1984 | 6727982 |
the germination of the fuseaux of microsporum fulvum. | | 1958 | 13514149 |
microsporosis due to microsporum fulvum. | | 1950 | 14794995 |
characterization of the pigment produced, by microsporum fulvum in casein hydrolysate medium. | | 1951 | 14841389 |
the amino acid requirements of microsporum fulvum. | | 1951 | 14908168 |
tinea capitis due to microsporum fulvum (gypseum); discussion. | | 1952 | 14922969 |
inhibitory effect of the plant boerhavia diffusa l. against the dermatophytic fungus microsporum fulvum. | antifungal activity (reduction in colony diameter) of various extracts (pt. ether, chloroform, ethyl acetate, ethyl alcohol and aqueous) of aerial and root parts of boerhavia diffusa (nictaginaceae) was screened against dermatophytic fungi microsporum fulvum. statistically significant increase has been recorded in the % inhibition of the target fungal species with increasing test concentrations (1000-5000 ppm) of chloroform, ethyl acetate and ethyl alcohol extracts of the root. the maximum % inh ... | 2004 | 15847339 |
[history and description of microsporum fulvum, a valid species of this genus discovered in argentina]. | | 2008 | 18669053 |
antagonism of microsporum species by soil fungi. | eighteen fungi isolated from soil by hair bating method were tested against soil inhabiting microsporum equinum, microsporum fulvum, microsporum gypseum and microsporum racemosum for their antagonistic interactions. colony inhibition during dual cultures showed inhibition of all the four microsporum species. the maximum inhibition of m. equinum, m. fulvum, m. gypseum and m. racemosum was caused by chrysosporium keratinophilum, chrysosporium tropicum, curvularia lunata and chrysosporium lucknowen ... | 2010 | 19207833 |
production of peptide antifungal antibiotic and biocontrol activity of bacillus subtilis. | among different bacterial cultures, a potent bacillus subtilis mtcc-8114 was isolated from garden soil samples which showed 16 and 14 mm inhibition zones by spot inoculation method and 24 and 22 mm inhibition zones by well agar diffusion method against test fungi i.e. microsporum fulvum and trichophyton species. among four media tested, the maximum growth and antibiotic production was found in trypticase soya broth (tsb) medium at 37 degrees c, ph-7 and 48 h of incubation. the rf value (0.64) by ... | 2009 | 19317353 |
bioactive constituents of homalomena aromatica essential oil and its antifungal activity against dermatophytes and yeasts. | homalomena aromatica rhizomes are rich source of essential oils, which have been attributed for various medicinal uses. in the present investigation, essential oil from h. aromatica rhizomes was isolated and subjected to gas chromatography-mass spectrum (gc-ms) analysis. fifty-five chemical constituents were reported from h. aromatica rhizomes of which t-muurolol (5.32%), viridiflorol (3.69%), α-selinene (2.19%), m-cymene (2.19%) and γ-muurolene (1.81%) were identified and reported for the first ... | 2011 | 23177818 |
morpho-molecular characterization of soil inhabitant dermatophytes from ahvaz, southwest of iran, a high occurrence of microsporum fulvum. | occurrence and diversity of dermatophyte mycoflora in 298 soil samples from ahvaz, southwest of iran was investigated by using the hair-baiting technique. the samples were collected during spring (n = 210) and autumn (n = 88) of 2015, and the fungal isolates were identified based on the macro- and micro-morphology of colonies and with further its-rdna rflp and sequencing. totally, 60 soil samples (20.1%) were positive for dermatophyte growth whose ph varied from 7.0 to 7.9. the highest (26.6%) a ... | 2017 | 28108868 |
microsporum fulvum, an ignored pathogenic dermatophyte: a new clinical isolation from iran. | misidentifying with microsporum gypseum has for a long time been accounted for less prevalence of the geophilic species, microsporum fulvum in human dermatophytosis. we describe a new case of infection with the species in an iranian young man. direct examination of skin scrapings revealed a tinea corporis, and morphological study of the recovered isolate from the culture resulted in the identification of m. gypseum. however, pcr amplification of its1-5.8s rdna-its2 region and subsequent its-rflp ... | 2013 | 23700315 |
biosynthesis of silver nanoparticles by the fungus arthroderma fulvum and its antifungal activity against genera of candida, aspergillus and fusarium. | the objective of this study was to find one or more fungal strains that could be utilized to biosynthesize antifungal silver nanoparticles (agnps). using morphological and molecular methods, arthroderma fulvum was identified as the most effective fungal strain for synthesizing agnps. the uv-visible range showed a single peak at 420 nm, which corresponded to the surface plasmon absorbance of agnps. x-ray diffraction and transmission electron microscopy demonstrated that the biosynthesized agnps w ... | 2016 | 27217752 |
isolation and characterization of antidermatophytic bioactive molecules from piper longum l. leaves. | piper longum l. (piperaceae) commonly known as "long pepper" is a well known medicinal plant in ayurveda. different parts of this plant, such as root, seed, fruit, whole plant etc. are used traditionally in various ailments. here we have investigated the antidermatophytic activity of sequentially extracted petroleum ether, chloroform, methanol and water extracts from p. longum leaf against trichophyton mentagrophytes, t. rubrum, t. tonsurans, microsporum fulvum and m. gypseum. better activity of ... | 2012 | 24293721 |
microsporum fulvum ibrl sd3: as novel isolate for chicken feathers degradation. | keratinous wastes have increasingly become a problem and accumulate in the environment mainly in the form of feathers, generated mainly from a large number of poultry industries. as keratins are very difficult to degrade by general proteases, they pose a major environmental problem. therefore, microorganisms which would effectively degrade keratins are needed for recycling such wastes. a geophilic dermatophyte, microsporum fulvum ibrl sd3 which was isolated from a soil sample collected from a ch ... | 2013 | 24013862 |
diversity of keratinophilic fungi on human hairs and nails at four governorates in upper egypt. | the mycobiota of 160 hair and nail samples collected from 4 different governorates in upper egypt were estimated using soil plate method for isolating keratinophilic and dermatophytic fungi. twenty-three fungi were recorded on both hair and nail samples collected from the four governorates. highest fungal diversity (20) was collected from red sea samples followed by qena (18) and aswan (17) while lowest fungal diversity was recorded from sohage samples. the common genera were aphanoascus, asperg ... | 2006 | 24039495 |
first isolation of arthroderma fulvum in japan. | morphology and molecular characteristics of microsporum gypseum clinical isolates obtained from the fur of a normal rabbit (n=1) and the soil from 10 different rabbit hutches in six elementary schools (n=10) were examined. isolates were also identified by sequence analysis of the internal transcribed spacer (its) region. all 11 isolates demonstrated homology with the arthroderma fulvum its sequence. furthermore, pcr analysis for the presence of mating type genes detected positivity for mat1-1 (n ... | 2017 | 28855478 |