Publications

fungal succession on keratinous hair and nail baits of human origin.	mycologically, succession is more precisely the sequential occupation of the same site by thalli (normally mycelia) either of different fungi or of different associations of fungi. for the study of fungal succession on hair bait, different soil samples were collected from different habitats of jaipur. the fungal growth isolated from soil samples was observed macroscopically and microscopically for the appearance of fungi at regular interval of 15 days for more than 6 months. regular microscopic ...	2017	28251567
isolation of keratinophilic fungi from selected soils of sanjay gandhi national park, mumbai (india).	one hundred and twenty-five samples were collected from eight different sites in the vicinity of sanjay gandhi national park (sgnp) and screened for the presence of keratinophilic fungi using hair baiting technique for isolation. seventy-three isolates were recovered and identified. the cultures were identified using macro- and micro-morphological features. their identification was also confirmed by the blast search of sequences of the its1-5.8s-its2 rdna region against the ncbi/genbank data and ...	2014	25442920
prevalence of keratinophilic fungi in soils of st. kitts and nevis.	information on the prevalence of keratinophilic fungi in west indies is scanty. occurrence of keratinophilic fungi in soils of st. kitts and nevis has not been investigated previously.	2012	22505445
biodiversity of keratinophilic fungal flora in university campus, jaipur, india.	soil is well known to support the transient or ongoing existence of keratinophilic fungi and potential source of infection for human and animals	2012	23304673
distribution of dermatophytes and other related fungi in jaipur city, with particular reference to soil ph.	screening of 217 soil samples of different habitats, such as pg study centre, garden, farmhouse, nursery, roadside, hostel, animal habitat, bird habitat, marriage garden, temple, vegetable market and house dust, was carried out for the presence of dermatophytes and related fungi in relation to soil ph. a total of 461 isolates belonging to 26 genera and 34 species were recorded. soil ph values vary from 3 to 10.5. trichophyton verrucosum, microsporum audouinii and m. canis were isolated for the f ...	2011	19638000
keratinophilic fungi on feathers of common clinically healthy birds in bahrain.	the occurrence of keratinophilic fungi associated with feather samples from 10 bird species was investigated using mycobiotic agar(®) following the incubation at 25 ± 2°c for 4 weeks. a total of 225 feather samples were cultured, of which 157 (69.77%) were found to be positive. altogether 184 fungal isolates represented by 11 species and grouped into five genera were recovered viz. chrysosporium, trichophyton, arthroderma, scopulariopsis and sepedonium. based on relative density values to rank s ...	2011	19627507
efficacy of fungus mediated silver and gold nanoparticles against aedes aegypti larvae.	chrysosporium tropicum is a pathogenic fungus. it is known to be an effective mosquito control agent. in the present study, we have synthesized the silver and gold nanoparticles using c. tropicum. these nanoparticles have been characterized through microscan reader, x-ray diffractometer, transmission electron microscopy, and further confirmed by scanning electron microscopy. the characterization study confirmed the spherical shape and size (2-15 and 20-50 nm) of gold and silver nanoparticles. th ...	2011	21647674
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
efficacy of chrysosporium tropicum metabolite against mixed population of adult mosquito (culex quinquefasciatus, anopheles stephensii, and aedes aegypti) after purification with flash chromatography.	chrysosporium tropicum is a keratinophilic fungus and an effective mosquito control agent. this fungus was grown in richards broth at 27 +/- 2 degrees c and a relative humidity of 75% +/- 5% for 15 +/- 2 days. filtration was done with whatman number 1 filter paper, column chromatography, and flash chromatography. adulticidal efficacy was performed against a mixed population of mosquitoes including culex quinquefasciatus, anophelese stephensii, aedes aegypti at five different concentrations 5:5, ...	2010	20431895
incidence of keratinophilic fungi from the soils of vedanthangal water bird sanctuary (india).	summary fifty-three soil samples were collected from various sites in the vicinity of vedanthangal water bird sanctuary and screened for the presence of keratinophilic fungi using the hair baiting techniques for isolation. twenty-eight isolates were recovered and identified by recognition of their macro- and micromorphological features. seven species related to five genera were recorded viz. auxarthron conjugatum (1.89%), chrysosporium fluviale (3.77%), chrysosporium indicum (20.75%), chrysospor ...	2010	20406397
keratinophilic fungi from selected soils of bahrain.	eighty soil samples were collected from various sites of bahrain and screened for presence of keratinophilic fungi using hair baiting techniques for isolation. thirty-six isolates were recovered and identified. the cultures were identified using macro- and micromorphological features. their identification was also confirmed by the blast search of sequences of its1-5.8s-its2 rdna region against the ncbi/gene bank data and compared with deposited sequences for confirmation. eight species of five g ...	2008	17932786
[invasive sinusal mycosis due to chrysosporium tropicum].	an invasive sinusal mycosis in a patient with acquired immunodeficiency is reported. the clinical course and causal agent (chrysosporium tropicum) were both rather atypical. this fungus has been seldom isolated as a cause of nasosinusal infections. just one more case like this is found when literature is reviewed. we emphasize importance of early diagnosis and treatment to reduce morbi-mortality.	2007	17428413
keratinophilic fungi from the vicinity of meteorite crater soils of lonar (india).	thirty-two soil samples were collected from six sites in the vicinity of lonar lake, a meteorite crater and screened for presence of keratinophilic fungi using hair baiting techniques for isolation. seventeen isolates were recovered and identified. the cultures were identified by recognition of their macro- and micromorphological features. their identification was also confirmed by the blast search of sequences of its1-5.8s-its2 rdna region against the ncbi/gene bank data and compared with depos ...	2006	17039278
dc-sign mediates the binding of aspergillus fumigatus and keratinophylic fungi by human dendritic cells.	human contact with fungi does not usually lead to pathological consequences, as the immune system manages to defeat the invader pathogens. nevertheless, under immune suppression, fungi overcome immune defenses and cause diseases that range from nonserious colonizations of keratinizated tissue (dermatophytosis) to life threatening disseminated infections (aspergillosis). host defenses against fungi rely on innate and adaptative responses, with dendritic cell (dc) and macrophage surface receptors ...	2005	16164024
laboratory efficacy tests for fungal metabolites of chrysosporium tropicum against culex quinquefasciatus.	efficacy of fungal metabolites of chrysosporium tropicum was evaluated against culex quinquefasciatus larvae in the laboratory to determine their larvicidal activity at 6 concentrations, with a mortality range of 10-95%. efficacy of c. tropicum was analyzed by probit analysis procedures. the lc50 (concentration lethal to 50% of the population) values were 38.9, 63.7, 79.0, and 122.6 microl/ml for the 1st, 2nd, 3rd, and 4th instars, respectively. the lc50 values were 79.5, 95.6, 136.9, and 174.5 ...	2003	14710744
chrysosporium tropicum efficacy against anopheles stephensi larvae in the laboratory.	the keratinophilic soil fungus chrysosporium tropicum was evaluated as a biological control agent against anopheles stephensi larvae in the laboratory. culture filtrates of c. tropicum were found to be toxic to an. stephensi larvae at various concentrations. the ranges of the 50% lethal concentration (lc50) values of fungal filtrates were 16.60-17.78, 12.02-12.88, and 34.67-35.48 microl/ml against 1st-, 2nd-, and 3rd-stage larvae, respectively. the ranges of lc99 values were 38.90-63.10, 12.02-2 ...	2001	11480820
incidence of keratinophilic fungi in the soil of primary schools and public parks of madras city, india.	the pattern of incidence of keratinophilic fungi inhabiting the soil of 30 primary schools and 15 public parks in the city of madras was studied using hair baiting technique. a total number of 31 species belonging to 15 genera were recovered, 16 of which were common to both the school and public park soil. dermatophytes and closely related species were represented by 9 species, of which the following were the most commonly found species in soil: chrysosporium tropicum (62.2%), c. keratinophilum ...	1998	10353209
mycological and some physiological studies of keratinophilic and other moulds associated with sheep wool.	wool samples of 50 healthy sheep collected from different localities at ar' ar in saudi arabia were examined for the presence of keratinophilic and other fungi using the hair plate technique. forty-eight species and 2 varieties belonging to 20 genera were isolated on sabouraud's dextrose agar at 25 degrees c. two species of true dermatophytes were isolated: trichophyton terrestre and t. rubrum in low frequency of occurrence. chrysosporium, a well-know keratinophilic genus, was the predominant ge ...	1997	9265769
keratinophilic fungi from coats of wild boars in italy.	hair samples were collected from wild boars (sus scrofa) in italy to determine the presence of keratinophilic fungi. eleven (5%) of 211 boars had fungi: two (1%) had trichophyton mentagrophytes, five (2%) had t. terrestre, two (1%) had chrysosporium keratinophilum, one (0.5%) had chrysosporium tropicum, and one (0.5%) had both c. keratinophilum and t. terrestre. these are the first recorded isolations of c. keratinophilum, c. tropicum, and t. terrestre from wild boars. based on the low prevalenc ...	1997	9131572
in vitro evaluation of inhibitory nature of extracts of 18-plant species of chhindwara against 3-keratinophilic fungi.	effect of extract of 18 plant species, viz., acorus calamus, adhatoda vasica, amomum subulatum, andrographis paniculata, boerhaavia diffusa, cassia occidentalis, centella asiatica, cymbopogon citratus, hemidesmus indicus, hyptis suaveolens, malvestrum sp., passiflora edulis, pergularia daemia, peristrophe bicalyculata, shuteria hirsuta, solanum nigrum, tecoma stans, and verbascum chinense on the growth of microsporum gypseum, chrysosporium tropicum and trichophyton terrestre was evaluated and di ...	1997	10386016
isolation of keratinophilic fungi from the floors of private veterinary clinics in italy.	to evaluate the presence of keratinophilic fungi in the environment, 400 samples were collected from the floors of 50 private veterinary clinics using 55-mm-diameter 'contact plates', containing mycobiotic agar. after incubation for 15 days at 25 degrees c, the following species were isolated: microsporum canis, trichophyton terrestre, chrysosporium keratinophilum, chrysosporium sp., microsporum gypseum, trichophyton ajelloi, chrysosporium tropicum, trichophyton mentagrophytes, chrysosporium sta ...	1996	8711896
laboratory evaluation of sensitivity of three keratinophilic fungi to some vicolides.	four vicolides (sesquiterpenoides) isolated from vicoa indica were evaluated against three keratinophilic fungi, viz., microsporum gypseum, chrysosporium tropicum, and trichophyton terrestris. all the test fungi were found to be sensitive to vicolides. vicolides a and c showed the maximum efficacy while b and d exhibited moderate activity. the minimum inhibitory concentration (mic) was observed in the range of 15.62-125 micrograms. the most sensitive fungus tested was c. tropicum followed by t. ...	1995	8972141
comparative efficacy of four antimicrobials against keratophilic fungi.	comparative efficacy of miconazole nitrate, graphite, thuja and chrysorobin ointments was assessed against three keratinophillic fungi, viz., trichophyton terrestris, chrysosporium tropicum and microsporum gypseum. all the test fungi were sensitive to the anti microbials tested in the present study. miconazole nitrate, showed the maximum activity followed by graphite, and thuja, whereas the minimum inhibition was exhibited by chrysorobin. among all the test fungi, t. terrestris was found to be t ...	1995	22556711
chrysosporium tropicum as a probable cause of mycosis of poultry in india.	chrysosporium tropicum was isolated from comb lesions in two different breeds of chickens in india and subcultures were shown to be pathogenic when inoculated onto prepared skin of guinea pigs. this report provides additional evidence to consider ch. tropicum as a pathogenic fungus and a probable cause of a dermatomycosis in chickens.	1994	8047104
keratinolytic fungi in egyptian soils. i. baited with hair and wool.	150 soil samples were collected, 90 from nile valley and delta, 36 from desert and 24 from salt marshes. human, buffalo and cow hair and sheep wool were used as baits at three incubation temperatures. forty-four species which belong to twenty-one genera at 27 degrees c and forty-two which belong to twenty-two genera at 37 degrees c were collected. we isolated the following keratinophilic fungi chrysosporium tropicum, c. keratinophilum, c. indicum, c. pannicola, c. queenslandicum, trichophyton te ...	1992	1471440
occurrence of keratinolytic fungi and related dermatophytes in soils in cairo, egypt.	120 soil samples collected from various sites of cairo were processed for the isolation of keratinophilic fungi by "tokava" hair baiting technique. 22 species belonging to 6 genera were isolated viz.: chrysosporium tropicum, c. indicum, c. keratinophilum, c. queenslandicum, c. merdarium, c. anamorph of arthroderma curreyi, c. pannicola, c. lobatum, c. anamorph of renispora flavissima, c. pseudomerdarium, microascus mangini, malbranchea gypsea, ml. state of uncicarpus reesii, ml. state of coccidi ...	1992	1380752
ultrastructural aspects of the demolition of human hair in vitro by chrysosporium tropicum carmichael.	the pattern of invasion of human hair in vitro by a non-dermatophytic fungus, chrysosporium tropicum, was studied by transmission and scanning electron microscopy. the components of the hair were attacked in sequence, depending on their level of keratinization, i.e. their content of cystine. in the cuticle, the sequence of digestion was as follows: intercellular material, cytoplasmic membrane, endocuticle, exocuticle, layer a, and a thinner layer below the inner cytoplasmic membrane of the cutic ...	1991	1749395
occurrence of keratinophilic fungi on indian birds.	keratinophilic fungi were isolated from feathers of most common indian birds, viz. domestic chicken (gallus domesticus), domestic pigeon (columba livia), house sparrow (passer domesticus), house crow (corvus splendens), duck (anas sp.), rose-ringed parakeet (psittacula krameri). out of 87 birds, 58 yielded 4 keratinophilic fungal genera representing 13 fungal species and one sterile mycelium. the isolated fungi were cultured on sabouraud's dextrose agar at 28 +/- 2 degrees c. chrysosporium speci ...	1991	1726608
keratinophilic fungi associated with rabbit claws in egypt.	using the soil plate technique, thirty one species appertaining to twenty three genera were recovered from 160 samples of rabbit claws which were collected from a rabbit farm at assiut. of the true keratinophilic fungi chrysosporium tropicum was the most prevalent where it colonized 56.25% of the samples. microsporum gypseum was rarely isolated in this study. among the non-keratinophilic fungi penicillium funiculosum. p. jenseni and paccilomyces lilacinus were of low incidence (20%, 19.37% and 1 ...	1989	2600778
keratinophilic fungi on sheep hairs from the west bank of jordan.	the mycoflora of the hair in 285 sheep from the west bank of jordan was analysed and the frequency of occurrence and the relative importance value for different fungal species found were calculated. ninety six species which belong to 36 genera were isolated. forty one of these species were either well-known agents of animal and human mycoses (trichophyton verrucosum, t. mentagrophytes, microsporum nanum, m. canis, and others), or have been isolated from human and animal lesions (arthroderma cuni ...	1989	2797114
mycoflora of air-conditioners dust from riyadh, saudi arabia.	using the hair baiting technique, 6 genera and 14 species were collected on sabouraud's dextrose agar from 37 dust samples from air-conditioners. the most common fungi were chrysosporium tropicum, c. indicum, c. keratinophilum, aspergillus flavus followed by acremonium strictum and scopulariopsis brevicaulis. using the dilution-plate method, 26 genera and 52 species were collected from 37 dust samples on glucose-(23 genera and 45 species) and cellulose-(18 genera and 34 species) czapek's agar at ...	1988	3236219
taxonomic study of keratinophilic fungi isolated from soil and some mammals in france.	in france, most of the researches have showed the distribution of dermatophytes and other keratinophilic fungi in the soil and in the coat of wild mammals. during these last years, we have also practiced numerous investigations about the distribution of such fungi. the isolated species are: trichophyton mentagrophytes, trichophyton terrestre, trichophyton ajelloï, trichophyton simii, microsporum gypseum, microsporum cookei, microsporum nanum, microsporum persicolor, anixiopsis stercoraria, chrys ...	1988	2454405
[keratinophilic fungal flora isolated from small wild mammals and rabbit-warren in france. discussion on the fungal species found].	the occurrence of dermatophytes and other keratinophilic fungi was investigated in 237 small wild mammals and 125 european rabbit. the purpose of the investigation was to determine what were the species of fungi present in the these animals. four species of dermatophytes were isolated: trichophyton ajelloi, trichophyton terrestre, trichophyton mentagrophytes, microsporum persicolor. trichophyton terrestre was the most frequently isolated and it occurred more frequently than its presence could be ...	1987	3662337
[mycological diagnosis and study of mycetes isolated from an area along the tyrrhenian coast in the province of catanzaro (calabria)].	10 areas along the tyrrhenian coast were studied: 37 genera of hyphomycetes were isolated from 100 sand samples. the genera aspergillus, fusarium, alternaria, penicillium, dendryphiopsis, were constantly present. many of the fungi isolated occurred only rarely and were represented by trichoderma, sepedonium, cladosporium and chrysosporium. the genus geotrichum was the most prevalent of the unpigmented yeasts which were predominant (59.6%), while rhodotorula was the main genus in pink yeasts (40. ...	1982	7167635
effect of treatment of soil with keratinaceous material on soil fungi.	in the early periods of soil storage, the total number of fungi almost regularly and significantly increased with the concentration of keratinaceous material (ground buffalo hooves) between 1% and 10%. a concentration of 20% was stimulative after 7 days and became toxic after 15 days and remained so through the end of the experiment. with increase in the storage period, the beneficial effect of all concentrations was lost and in the case of high concentrations (5-20%) toxic ammonia was produced. ...	1981	6171708
interspecific affinity among keratinolytic fungi associated with birds.	twelve species of keratin decomposers isolated from 923 samples of feathers, nests and pellets of 90 species of free-living birds were clustered in 4 "econs" (numerical ecological groups): (a) artroderma tuberculatum, a. ciferrii, a. multifidum, a. cuniculi (associated with the birds nesting in hollows); (b) ctenomyces serratus, arthroderma quadrifidum, chrysosporium evolceanui (moderately alkalophilic species associated with the birds having a frequent contact with the soil); (c) chrysosporium ...	1976	1034590
isolation of keratinophilic fungi from soil in pavia, italy.	the examination of keratinophilic fungi in 125 soil samples collected in pavia, italy revealed the following organism: microsporum gypseum 23, m. vanbreuseghemii 4, arthroderma uncinatum 4, ctenomyces serratus 5, chrysosporium tropicum 5, unidentified gymnoascacean 1. arthroderma uncinatum, m. gypseum, m. vanbreuseghemii were isolated from a city park and cultivated soils; c. tropicum, ct. serratus and an unidentified gymnoascacean were found only in soils from natural woods. the distribution of ...	1975	1091998
thermotolerance of chrysosporium tropicum differentiates it from c. keratinophilum.		1969	5379287