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Journal articles on the topic 'Keratinophile'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Bahuguna, Suman, and R. K. S. Kushwaha. "Hair Perforation by Keratinophilic Fungi: Haarperforation durch keratinophile Pilze." Mycoses 32, no. 7 (April 24, 2009): 340–43. http://dx.doi.org/10.1111/j.1439-0507.1989.tb02255.x.

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2

Caretta, G., F. Mancianti, and L. Ajello. "Dermatophytes and Keratinophilic Fungi in Cats and Dogs Dermatophyten und keratinophile Pilze bei Katzen und Hunden." Mycoses 32, no. 12 (April 24, 2009): 620–26. http://dx.doi.org/10.1111/j.1439-0507.1989.tb02193.x.

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3

Deshmukh, S. K. "Keratinophilic fungi on feathers of pigeon in Maharashtra, India. Keratinophile Pilze auf Taubenfedern in Maharashtra, Indien." Mycoses 47, no. 5-6 (June 2004): 213–15. http://dx.doi.org/10.1111/j.1439-0507.2004.00983.x.

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4

Deshmukh, S. K. "The maintenance and preservation of keratinophilic fungi and related dermatophytes. Konservierungstechniken fur keratinophile Pilze und verwandte Dermatophyten." Mycoses 46, no. 5-6 (June 2003): 203–7. http://dx.doi.org/10.1046/j.1439-0507.2003.00860.x.

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5

Deshmukh, S. K., S. C. Agrawal, and P. C. Jain. "Colonization of Fresh and Defatted Feathers by Keratinophilic Fungi Besiedlung frischer und entfetteter Federn durch keratinophile Pilze." Mycoses 24, no. 10 (April 24, 2009): 611–13. http://dx.doi.org/10.1111/j.1439-0507.1981.tb01807.x.

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6

Jain, Madhu, P. K. Shukla, and O. P. Srivastava. "Keratinophilic Fungi and Dermatophytes in Lucknow Soils with Their Global Distribution:* Keratinophile Pilze und Dermatophyten im Erdboden von Lucknow und ihr weltweites Vorkommen." Mycoses 28, no. 3 (April 24, 2009): 148–53. http://dx.doi.org/10.1111/j.1439-0507.1985.tb02108.x.

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7

Deshmukh, S. K., and S. C. Agrawal. "Degradation of Human Hair by some Dematophytes and other Keratinophilic Fungi: Der Abbau von menschlichem Haar durch einige Dermatophyten und andere keratinophile Pilze." Mycoses 28, no. 9 (April 24, 2009): 463–66. http://dx.doi.org/10.1111/j.1439-0507.1985.tb02160.x.

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8

Deshmukh, S. K., and S. C. Agrawal. "Prevalence of Dermatophytes and Other Keratinophilic Fungi in Soils of Madhya Pradesh (India)/Dermatophyten und andere keratinophile Pilze im Boden von Madhya Pradesh (Indien)." Mycoses 26, no. 11 (April 24, 2009): 574–77. http://dx.doi.org/10.1111/j.1439-0507.1983.tb03160.x.

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9

Mereantini, R., R. Marsella, G. Prignano, D. Moretto, W. Marmo, F. Leonetto, G. C. Fuga, and G. Serio. "Isolation of Keratinophilic Fungi from the Dust of Ferry Boats and Trains in Italy: Isolierungsbefunde für keratinophile Pilze aus Staubproben von Fähren und Eisenbahnzügen in Italien." Mycoses 32, no. 11 (April 24, 2009): 590–94. http://dx.doi.org/10.1111/j.1439-0507.1989.tb02188.x.

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10

Gugnani, Harish Chander, Soni Sharma, Brijinder Gupta, and Srinivas Gaddam. "Prevalence of keratinophilic fungi in soils of St. Kitts and Nevis." Journal of Infection in Developing Countries 6, no. 04 (November 30, 2011): 347–51. http://dx.doi.org/10.3855/jidc.1962.

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Introduction: 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. Methodology: The prevalence of keratinophilic fungi was investigated in 108 samples of soils of varying habitats from St. Kitts and 55 such samples from Nevis by hair-baiting technique. Fungal growths appearing on the hair baits after four to eight weeks of incubation at room temperature were microscopically examined and cultured on mycological media. Cultures were identified on the basis of colonial and microscopic features. Results: Forty-nine (45%) of the samples from St. Kitts and 38 (69%) from Nevis were positive for keratinophilic fungi. Microsporum gypseum complex, a well-known geophilic dermatophyte, was the most frequently recovered species being present in 15.7% of soils of St. Kitts and 40% of soils of Nevis. The next commonest species recovered was Chrysosporium indicum, represented by 15 (13.9%) isolates from St. Kitts and seven (12.7%) isolates from Nevis. Other infrequently isolated keratinophilic species included Chrysosporium tropicum, Chrysosporium keratinophilum, and unidentified Chrysosporium species. Conclusions: This study is the first of its kind in the islands of St. Kitts and Nevis. A high incidence of M. gypseum complex in the soil of these islands is a noteworthy finding of public health significance.

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11

Ciesielska, Anita, Teresa Korniłłowicz-Kowalska, Ignacy Kitowski, and Justyna Bohacz. "The Dispersal of Rodent-Borne Strains of Aphanoascus Keratinophilus and Chrysosporium Tropicum by Pellets of Predatory Birds." Avian Biology Research 10, no. 4 (November 2017): 218–30. http://dx.doi.org/10.3184/175815617x15036806293529.

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The species composition of keratinophilic fungi in 153 pellets of nine species of predatory birds was analysed. Based on morphological criteria, a total of 439 strains of non-dermatophytic fungi of the Chrysosporium group were isolated and identified. Dermatophytes were not detected. The collection was verified using molecular methods, such as PCR-RFLP (restriction fragments length polymorphism) and two potentially pathogenic species, Aphanoascus keratinophilus and Chrysosporium tropicum, were detected. Pellet colonisation by these fungi ranged between 37.5% and 91.7% depending on the bird species. As the analysis of undigested remains found in the pellets showed, rodents, mostly Microtus, which constituted from 57% to 100% of the birds’ diet, were a chief source of A. keratinophilus and Ch. tropicum strains. It was demonstrated that the survival and dispersal of A. keratinophilus strains was supported by higher pellet moisture while those of Ch. tropicum strains by drying, which was conditioned by the site where pellets were dropped and deposited by individual species of predatory birds. Based on the results, circulation routes of both opportunistic pathogens using pellets of predatory birds as carriers are proposed.

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12

Günyar, O. A., S. Kıraç, B. Aldı, and C. Ergin. "Isolation and identification of keratinophilic fungi in soil samples from excavation area of ancient city of Stratonikeia, Turkey and determination of its enzyme potentials." Journal of Environmental Biology 41, no. 6 (November 15, 2020): 1521–25. http://dx.doi.org/10.22438/jeb/41/6/mrn-1053.

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Aim: To isolate and identyfy keratinophilic fungi from soil samples excavated excavation area within the ancient city of Stratonikeia, Turkey and determination of their enzyme potentials. Stratonikeia, a city in the interior of Caria, located at Eskihisar Village, in the Yatagan district of Mugla province of Turkey. Methodology: Keratin bating technique was applied for isolating of dermatophytes and keratinophilic fungi. Fungal isolate were identified by phenotyping and genotyping methods. Screening of protease, keratinase, cellulose, lipase and cutinase enzyme was carried at solid medium. Results: Non-dermatophyte species, viz., Aspergillus fumigatus, Engyodontium album, Chrysosporium keratinophilum, Lecanicillium lecani and Purpureocillium lilacinum were identified. Protease, keratinase and cellulase were determined at moderate and high levels, while lipase and cutinase were not recorded. Interpretation: Non-dermatophyte strains having high keratinase, cellulase and protease activities are not only involved in pathogenesis, but also have a great ecological significance due to keratin degrading potential.

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13

Hassan, S. K., and A. Batko. "Nowakowskiella keratinophila sp. nov., a keratinophilic fungus from the brackish water." Acta Mycologica 22, no. 2 (August 20, 2014): 193–96. http://dx.doi.org/10.5586/am.1986.021.

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<i>Nowakowskiella keratinophila</i> sp. nov. isolatod from ihe brackish water of the bay Zalew Wiślany in Poland on snake skin bail is described. The new species is related to <i>Nawakawskiella elegans</i> Nowakowski but differs in the type of operculation of sporangia and the affinity to keratinized substrata.

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14

ZHANG, YAN-WEI, GUI-PING ZENG, XIAO ZOU, YAN-FENG HAN, ZONG-QI LIANG, and SHU-YI QIU. "Two new keratinophilic fungal species." Phytotaxa 303, no. 2 (April 11, 2017): 173. http://dx.doi.org/10.11646/phytotaxa.303.2.7.

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Two new keratinophilic fungal species, Chrysosporium jingzhouense and C. clavisporum, were isolated from farmland soil of Jingzhou City, Hubei Province, and from plant root soil of Guigang City, Guangxi Province, China, respectively, using child hair as bait. Molecular and morphological characters were used to identify taxonomic status. The phylogeny shows C. jingzhouense is clustered with C. articulatum and C. keratinophilum; while C. clavisporum appears to be related to C. qinghaiense, C. indicum and C. linfenense. These previously described Chrysosporium species can be easily distinguished from our proposed new species based on morphology alone. The holotypes, ex-types and ex-isotypes have been deposited in the Institute of Fungus Resources (GZAC).

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15

Deshmukh, Sunil Kumar, and Shilpa Amit Verekar. "Prevalence of keratinophilic fungi in public park soils of Mumbai, India." Microbiology Research 3, no. 1 (March 12, 2012): 6. http://dx.doi.org/10.4081/mr.2012.e6.

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The parks of Mumbai are frequently visited by local residents every morning and evening. However, there are no reports on the occurrence of keratinophilic fungi in these areas. The purpose of this research was to study the occurrence of keratinophilic fungi in the public parks of Mumbai. One hundred soil samples were collected from five public parks: Kamla Nehru Park, Powai Garden, CD Deshmukh Garden, Five Gardens and Chota Kashmir. Keratinophilic fungi were isolated by the hair baiting technique using human hair as keratin bait. The cultures were identified using macroand micro-morphological features. Identification was also confirmed by the BLAST search of sequences of the ITS1-5.8S-ITS2 rDNA region against the NCBI/Genbank data and compared with deposited sequences. The ability of these fungi to use human hair was also evaluated by release of protein in liquid media. A total of 75 strains of keratinophilic fungi were recovered from 100 (75.0%) soil samples. The isolated fungi were composed of eleven species of eight genera: <em>Arthrographis kalrae</em>, A<em>uxarthron conjugatum</em>, <em>Chrysosporium indicum</em>, <em>C. queenslandicum</em>, <em>C. zonatum, Gymnascella dankaliensis</em>, <em>G. hyalinospora</em>,<em> Microsporum gypseum</em> (15.0%), <em>Myriodontium keratinophilum</em>, <em>Trichophyton mentagrophytes</em> and <em>Uncinocarpus reesii</em>. These fungi can release 148.8-307.6 μg/mL protein in liquid media when grown on human hair in shake flask culture and also decompose 16.2-38.6% of human hair after four weeks of incubation. Our study indicates that keratinophilic fungi are to be found in the soils of various public parks in Mumbai and that human hair can be a source of pathogenic fungi.

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16

Korniłłowicz-Kowalska, Teresa, Ignacy Kitowski, and Helena Iglik. "Geophilic dermatophytes and other keratinophilic fungi in the nests of wetland birds." Acta Mycologica 46, no. 1 (December 23, 2013): 83–107. http://dx.doi.org/10.5586/am.2011.005.

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The frequency and species diversity of keratinophilic fungi in 38 nests of nine species of wetland birds were examined. Nine species of geophilic dermatophytes and 13 <em>Chrysosporium</em> species were recorded. <em>Ch. keratinophilum</em>, which together with its teleomorph (<em>Aphanoascus fulvescens</em>) represented 53% of the keratinolytic mycobiota of the nests, was the most frequently observed species. <em>Chrysosporium tropicum, Trichophyton terrestre</em> and <em>Microsporum gypseum</em> populations were less widespread. The distribution of individual populations was not uniform and depended on physical and chemical properties of the nests (humidity, pH).

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17

Anbu, P., S. C. B. Gopinath, A. Hilda, N. Mathivanan, and G. Annadurai. "Secretion of keratinolytic enzymes and keratinolysis byScopulariopsis brevicaulisandTrichophyton mentagrophytes: regression analysis." Canadian Journal of Microbiology 52, no. 11 (November 1, 2006): 1060–69. http://dx.doi.org/10.1139/w06-067.

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A survey on keratinophilic fungi from poultry-farm soils at Namakkal and from feather dumping soils at Chennai, India, revealed the existence of 34 species of fungi. Most of the fungi exhibited variable efficiency in producing extracellular keratinase when grown in plates with chicken feathers as the sole carbon and nitrogen source. The fungi Aspergillus flavus, Aspergillus niger, Aspergillus versicolor, Chrysosporium state of Arthroderma tuberculatum, Paecilomyces carneus, Scopulariopsis brevicaulis, Trichoderma viride, and Trichophyton mentagrophytes were efficient candidates to degrade the feathers. However, when cultivating the strains in submerged conditions in a medium containing chicken feathers as the sole nutrients source, Aspergillus glaucus, Chrysosporium keratinophilum, Curvularia lunata, Fusarium solani, and Penicillium citrinum also proved to be potent. Among all species, S. brevicaulis and Trichophyton mentagrophytes produced higher amounts of keratinase in both methods. Conditions for keratinase production were optimized by statistical design and surface plots. The highest keratinase activity was estimated by S. brevicaulis (3.2 KU/mL) and Trichophyton mentagrophytes (2.7 KU/mL) in the culture medium with chicken feathers and shows (79% and 72.2% of degrading ability, respectively).Key words: keratin, keratinase, keratinophilic fungi, regression analysis, Scopulariopsis brevicaulis, Trichophyton mentagrophytes.

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18

Gherbawy, Youssuf A. "Keratinolytic and keratinophilic fungi of mangrove's soil and air in the city of Qena and their response to garlic extract and onion oil treatments." Acta Mycologica 31, no. 1 (August 20, 2014): 87–99. http://dx.doi.org/10.5586/am.1996.008.

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Forty-eight species and l variety belonging to 25 genera were collected from 50 soil samples (41 species and l variety and 21 genera) and the atmosphere (27 species and l variety and 14 genera) of mangrove in the city Qena using hair baiting technique at 28"C. Twenty of these species was dermatophytes and closely related fungi. The most common and frequent species of the latter fungi were <i>Aphanoascus fulvescens</i> (telemorph of <i>Chrysosporium keratinophilum), A. terreus (C. indicum). Aphanoascus</i> sp. <i>(C. tropicum)</i> and <i>Chrysosporium xerophilum</i>. Sixty-eight isolates were tested for the abilites for growth on hair - sand medium. Most (73.5 %) had moderate growth rate. All keratinophilie fungi recovered in the present investigation were sensitive to garlic extract and onion oil.

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19

Sigler, Lynne, Arlene L. Flis, and J. W. Carmichael. "The genus Uncinocarpus (Onygenaceae) and its synonym Brunneospora: new concepts, combinations and connections to anamorphs in Chrysosporium, and further evidence of relationship with Coccidioides immitis." Canadian Journal of Botany 76, no. 9 (September 1, 1998): 1624–36. http://dx.doi.org/10.1139/b98-110.

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The genus Uncinocarpus (Onygenales, Onygenaceae) is emended to include keratinophilic fungi with discrete, globose gymnothecial ascomata without differentiated ascomatal hyphae and bearing uncinate, helical, or no appendages; oblate, punctate ascospores sometimes with irregular reticulations; bulbous initials, and Malbranchea or Chrysosporium anamorphs. The new combination Uncinocarpus orissi is proposed for Pseudoarachniotus orissi; Gymnoascus arxii is shown to be a synonym. New records show that the fungus has a wide distribution from North America, Europe, Asia, and the Middle East. The teleomorph is formed under laboratory conditions by mating representative isolates. The anamorph has been described under the names Chrysosporium zonatum and Chrysosporium gourii. Chrysosporium queenslandicum is morphologically similar. Its teleomorph Apinisia queenslandica is transferred also to the genus Uncinocarpus as Uncinocarpus queenslandicus. Brunneospora reticulata, the type species of the genus Brunneospora, is a synonym. Orromyces spiralis appears to be another name applied to this fungus. Development of helical coils in an isolate of Coccidioides immitis provides further evidence of a possible relationship between this dimorphic human pathogen and this group of ascomycetes.Key words: Uncinocarpus, Onygenales, systematics, keratinophiles, human pathogen.

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20

Evolceanu, R., and I. Alteraş. "Eine keratinophile Chrysosporium-Art mit ausgesprochen dermatophytischen, immunbiologischen Eigenschaften aus Guano von einer Grotte in Rumänien (unvollkommenes Stadium von Arthroderma multifidum - Dawson 1963?) (Erste Mitteilung)*." Mycoses 10, no. 10 (April 24, 2009): 489–92. http://dx.doi.org/10.1111/j.1439-0507.1967.tb02802.x.

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21

Bajwa, P. S., and C. D. Jeffries. "The Keratinophilic Fungi in Soils from the Detroit Metropolitan Area/Die keratinophilen Pilze in Bodenproben vom Hauptstadtgebiet Detroit." Mycoses 29, no. 6 (April 24, 2009): 267–71. http://dx.doi.org/10.1111/j.1439-0507.1986.tb03782.x.

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22

Meißner, A., and S. A. Qadripur. "Untersuchungen über das Vorkommen von Keratinophilen Pilzen in Bodenproben von Göttingen/The Occurence of Keratinophilic Fungi Soils from Göttingen." Mycoses 26, no. 2 (April 24, 2009): 61–72. http://dx.doi.org/10.1111/j.1439-0507.1983.tb03174.x.

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23

Gugnani, Harish C., Soni Sharma, and Kharl Wright. "A PRELIMINARY STUDY ON THE OCCURRENCE OF KERATINOPHILIC FUNGI IN SOILS OF JAMAICA." Revista do Instituto de Medicina Tropical de São Paulo 56, no. 3 (June 2014): 231–34. http://dx.doi.org/10.1590/s0036-46652014000300009.

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This report represents the first study of keratinophilic fungi present in soils of Jamaica. Out of the 40 soil samples examined from different habitats, 30 (75%) were positive for the presence of keratinophilic fungi, yielding 36 isolates of keratinophilic fungi. Microsporum gypseum complex (represented by 16 isolates of M. gypseum, and four of M. fulvum) was most frequent, being present in 50% of the samples. A very high occurrence of this dermatophyte in Jamaican soil is of public health significance. The remaining isolates of keratinophilic fungi were represented by Chrysosporium spp (mainly C. indicum and C. tropicum) and Sepedonium sp.

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24

Marsella, R., R. Mercantini, P. Spinelli, and Laura Volterra. "Occurrence of Keratinophilic Fungi in Animals of the Zoological Park of Rome: Das Vorkommen keratinophiler Pilze bei Tieren aus dem Tiergarten von Rom." Mycoses 28, no. 10 (April 24, 2009): 507–12. http://dx.doi.org/10.1111/j.1439-0507.1985.tb02078.x.

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25

Deshmukh, Sunil Kumar, and Shilpa Amit Verekar. "Prevalence of keratinophilic fungi in usar soils of Uttar Pradesh, India." Microbiology Research 2, no. 1 (October 3, 2011): 15. http://dx.doi.org/10.4081/mr.2011.e15.

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Alkaline soils commonly called as <em>Usar</em> soil having pH 7.5 to 11.0 is commonly found in regions having poor drainage and little percolation. These soils occupy vast tracts of barren lands in the northern parts of India. These areas are frequently visited by man and animals, however there are no reports on the occurrence of keratinophilic fungi from the <em>Usar</em> soils. The purpose of this research was to study the occurrence of keratinophilic fungi in the alkaline Usar soil. To investigate the occurrence of soil keratinophilic fungi from <em>Usar</em> soil, 120 samples were collected from five districts of Uttar Pradesh viz. Lucknow, Bareilly, Azamgarh, Balia and Pratapgarh. Keratinophilic fungi were isolated by the hair baiting techniques using human hair as keratin bait. The cultures were identified using macro- and micro morphological features. Eighty-tow strains of keratinophilic fungi were recovered from 120 (68.33%) soil samples. The isolated fungi were composed of ten species of five genera viz. <em>Chrysosporium indicum</em> (19.16%), <em>Microsporum gypseum</em> (12.5%), <em>Chrysosporium tropicum</em> (10.0%), <em>Chrysosporium pannicola</em> (7.5%), <em>Trichophyton terrestre</em> (5.83%), <em>Chrysosporium lucknowense</em> (4.16%), <em>Chrysosporium</em> state of <em>Ctenomyces serratus</em> (3.33%), <em>Gymnascella dankailensis</em> (3.33%), <em>Gymnoascus reessii</em> (1.66 %) and <em>Trichophyton mentagrophytes</em> (1.66 %). The presence of keratinophilic fungi in the <em>Usar</em> soils of Uttar Pradesh, India indicates that these fungi do occur at higher alkalinity.

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26

Deshmukh, S. K., and S. C. Agrawal. "Isolation of dermatophytes and other keratinophilic fungi from soils of Jammu, India. Isolierung von Dermatophyten und anderen keratinophilen Pilzen aus Boden in Jammu, Indien." Mycoses 46, no. 5-6 (June 2003): 226–28. http://dx.doi.org/10.1046/j.1439-0507.2003.00882.x.

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27

Espersen, Roall, Francesco C. Falco, Per Hägglund, Krist V. Gernaey, Anna E. Lantz, and Birte Svensson. "Two novel S1 peptidases from Amycolatopsis keratinophila subsp. keratinophila D2T degrading keratinous slaughterhouse by-products." Applied Microbiology and Biotechnology 104, no. 6 (January 27, 2020): 2513–22. http://dx.doi.org/10.1007/s00253-020-10380-x.

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28

Garg, A. P., Sudha Gandotra, K. G. Mukerji, and G. J. F. Pugh. "Ecology of keratinophilic fungi." Proceedings / Indian Academy of Sciences 94, no. 2-3 (April 1985): 149–63. http://dx.doi.org/10.1007/bf03053134.

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29

Valenzuela-Lopez, Nicomedes, José F. Cano-Lira, Alberto M. Stchigel, Olga Rivero-Menendez, Ana Alastruey-Izquierdo, and Josep Guarro. "Neocucurbitaria keratinophila: An emerging opportunistic fungus causing superficial mycosis in Spain." Medical Mycology 57, no. 6 (November 29, 2018): 733–38. http://dx.doi.org/10.1093/mmy/myy132.

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Abstract Although there have been few reports of opportunistic infections (superficial and systemic) caused by coelomycetous fungi, they are becoming more frequent. Neocucurbitaria keratinophila (formerly Pyrenochaeta keratinophila), characterized by producing pycnidial conidiomata and small hyaline conidia, seems to be an emergent opportunistic pathogen in Spain. Since this fungus was first reported from human keratitis, eight strains have been isolates from clinical cases in Spain. This is a retrospective study of these fungal strains, including phenotypic and molecular characterizations, and in vitro antifungal susceptibility assays. These clinical strains were identified by sequencing four phylogenetic markers such as the internal transcribed spacer region (ITS1-5.8S-ITS2) and fragments of the 28S nrRNA (LSU), beta-tubulin (tub2), and RNA polymerase II subunit 2 (rpb2) genes, and by morphological characterization. All the strains tested were susceptible to the majority of antifungals, being isavuconazole the only drug that showed a poor antifungal activity.

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30

Czeczuga, Bazyli, and Elżbieta Muszyńska. "Keratinophilic fungi in various types of water bodies." Acta Mycologica 29, no. 2 (August 20, 2014): 201–15. http://dx.doi.org/10.5586/am.1994.020.

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The keratinophilic fungi in various types of water bodies (slough. pond. beach pool. two lakes and two rivers) were studied. Samples of water were collected every other month for bydrochemical analysis and once a month (1989-1990) in order to determine the fungus content. Human hair, snippings of finger-nails, chips of hoofs, feathers and snake exuviae were used as bait. Twenty-five species of keratinophilic fungi were found in various types of water bodies. <i>Hyphochytrium catenoides, Aphanomyces stellatus, Leptolegniella caudala</i> and <i>Achlya oligacantha</i> represent new records as koratinophilic fungi.

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31

Shadzi, S., M. Chadeganipour, and M. Alimoradi. "Isolation of keratinophilic fungi from elementary schools and public parks in Isfahan, Iran - Isolierung keratinophiler Pilze aus Staub von Schulen und Bodenproben offentlicher Parks in Isfahan, Iran." Mycoses 45, no. 11-12 (December 2002): 496–99. http://dx.doi.org/10.1046/j.1439-0507.2002.d01-126.x.

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32

Pakshir, Keyvan, Moosa Rahimi Ghiasi, Kamiar Zomorodian, and Ali Reza Gharavi. "Isolation and Molecular Identification of Keratinophilic Fungi from Public Parks Soil in Shiraz, Iran." BioMed Research International 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/619576.

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Introduction. Keratinophilic fungi are an important group of fungi that live in soil. The aim of this study was to isolate and identify keratinophilic fungi from the soil of different parks in Shiraz.Materials and Methods. A total of 196 soil samples from 43 parks were collected. Isolation of the fungi was performed by hair bait technique. The isolated colonies were identified by morphologic feature of macro- and microconidia and molecular method, using DNA sequence analysis. ITS region of ribosomal DNA was amplified and the PCR products were sequenced.Results. 411 isolates from 22 genera were identified.Fusarium(23.8%),Chrysosporium(13.13%),Acremonium(12.65%),Penicillium(12.39%),Microsporum gypseum(1.94%),Bionectria ochroleuca(1.21%),Bipolaris spicifera(1.21%),Scedosporium apiospermum(0.82%),Phialophora reptans(0.82%),Cephalosporium curtipes(0.49%),Scedosporium dehoogii(0.24%),Ochroconis constricta(0.24%),Nectria mauritiicola(0.49%),Chaetomium(0.49%),Scopulariopsis(0.24%),Malbranchea(0.24%), andTritirachium(0.24%) were the most important isolates. Most of the fungi were isolated from the soils with the PH range of 7 to 8.Conclusion. Our study results showed that many keratinophilic fungi isolated from the parks soil are important for public health and children are an important group at a high risk of being exposed to these fungi.

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Journal, Baghdad Science. "Epidemiological Study of Keratinophilic Fungi in Baghdad Swimming Pools." Baghdad Science Journal 11, no. 3 (September 7, 2014): 1122–29. http://dx.doi.org/10.21123/bsj.11.3.1122-1129.

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The present study was included the isolation of Keratinophilic fungi from water samples taken from 19 indoor public swimming pools in Baghdad during four season (summer ,fall ,spring ,and winter). Isolation period was September 2011and September 2012 . Samples were collected from different places in swimming pool . Sixteen keratinophilic fungal species, belonging to twenty –one genera were isolated using Surface Dilution Plating (SDP) and Hair Bait Technique (HBT) . Aspergillus genus was the most frequent and occurrence (19.84%), followed by Trichophyton (11.60%) and Fusarium (7.59% ) . The most common fungal infection occurred in summer season (42.16%) , and the most frequent month manifestation of species occurred in August (17%) .

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Sigler, Lynne, J. Guarro, and L. Punsola. "New keratinophilic species of Chrysosporium." Canadian Journal of Botany 64, no. 6 (June 1, 1986): 1212–15. http://dx.doi.org/10.1139/b86-164.

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Majewski, Tomasz, and Irena Majchrowicz. "Professor Tadeusz Dominik (1909-1980)." Acta Mycologica 22, no. 1 (August 20, 2014): 53–64. http://dx.doi.org/10.5586/am.1986.006.

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Ulfig, Krzysztof. "Keratinophilous fungi in the sediments of the surface waters bottoms." Acta Mycologica 23, no. 2 (August 20, 2014): 3–11. http://dx.doi.org/10.5586/am.1987.011.

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Ogbonna, C. I. C., and G. J. F. Pugh. "Keratinophilic fungi from Nigerian soil." Mycopathologia 99, no. 2 (August 1987): 115–18. http://dx.doi.org/10.1007/bf00436915.

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Cano, J., J. Guarro, and M. J. Figueras. "Some keratinophilic fungi from Spain." Mycopathologia 100, no. 3 (December 1987): 163–67. http://dx.doi.org/10.1007/bf00437043.

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Bohacz, Justyna, and Teresa Korniłłowicz-Kowalska. "Species diversity of keratinophilic fungi in various soil types." Open Life Sciences 7, no. 2 (April 1, 2012): 259–66. http://dx.doi.org/10.2478/s11535-012-0008-5.

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AbstractKeratinophilic fungi are a highly specialized, keratin-degrading ecological group. They live in natural environments, mostly in the keratinrich remains of dead animal in the soil. We investigated species diversity in four types of soils with different physico-chemical properties. The strain material was identified based on morphological characters. Different representatives of Chrysosporium and geophilic dermatophytes dominated depending on soil pH. Geophilic dermatophytes were represented by one species, Trichophyton ajelloi, and the Chrysosporium group was represented by Chrysosporium keratinophilum. The frequency of Trichophyton ajelloi increased with an increase in pH, and it reached the maximum in strongly acidic soil (podzol), unlike the Chrysosporium group. The frequency of Chrysosporium keratinophilum was positively correlated with the content of humus, nitrogen, CaCO3 and phosphorus in the soils.

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Sabino, R., C. Verissímo, J. Brandão, C. Alves, P. Alves, H. Parada, and L. Rosado. "Keratinophilic Fungi: a microscopic approach by in vitro hair perforation analysis." Microscopy and Microanalysis 14, S3 (September 2008): 115–18. http://dx.doi.org/10.1017/s1431927608089599.

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Nowadays, environmental moulds are often being referred as also being the cause of superficial mycosis. Keratinophilic activity is one of the characteristics involved in the infectious process of some fungal species. With these findings some problems appear: 1) Do these species really act on keratinized tissues?; 2) How do these fungi perform their keratinophilic activity?; 3) Should we validate the results as positives in the case of isolating from the lesions only species considered as environmental? To answer to these questions, the in vitro hair perforation test was performed in 60 different species, including dermatophytes and environmental isolates. In vitro perforation capability, believed to be one of the characteristics involved in some fungal infectious processes, was assessed with aid of optic-, fluorescence-, electron scanning- and transmission-microscopy, followed by calculation of keratinophilic activity. According to Ali-Shtayeh et al., each hair degradation factor has a specific weight in a keratinolytic activity intensity index called “IKA”, which ranges between 0 and 100%. Changes in the hair structure may occur in the two following different ways: (a) Superficial Erosion, where there is an even hair degradation from the outside to the inside (b) Radial Penetration where there is a localized degradation of hair surface, often in a pocket-like structure. Different types of hyphæ are observed: of narrow diameter called boring hyphæ, of larger diameter called wider boring hyphæ) and swollen boring hyphæ (with dilated tips). Hyphæ may also produce highly specialized perforation organs.

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Deshmukh, Sunil Kumar, and Shilpa Amit Verekar. "Incidence of Keratinophilic Fungi from Selected Soils of Vidarbha Region of Maharashtra State, India." Journal of Mycology 2014 (November 10, 2014): 1–7. http://dx.doi.org/10.1155/2014/148970.

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One hundred and fifty samples were collected from eleven districts of Vidarbha region of Maharashtra state and screened for the presence of keratinophilic fungi using hair baiting technique for isolation. Seventy-one 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 the ITS1-5.8S-ITS2 rDNA region against the NCBI/Genbank data and compared with deposited sequences for identification purpose. Thirteen species of eight genera were isolated, namely, Auxarthron conjugatum (2.00%), Chrysosporium indicum (14.00%), Chrysosporium evolceanui (2.66%), Chrysosporium tropicum (4.66%), Chrysosporium zonatum (1.33%), Chrysosporium state of Ctenomyces serratus (3.33%), Gymnascella dankaliensis (1.33%), Gymnascella hyalinospora (0.66%), Gymnoascoideus petalosporus (0.66%), Microsporum gypseum complex (9.33%), Trichophyton mentagrophytes (2.00%), T. terrestre (3.33%), and Uncinocarpus queenslandicus (2.00%). This study indicates that the soils of Vidarbha region of Maharashtra may be significant reservoirs of certain keratinophilic fungi.

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Maran, A. G., K. Kwong, L. J. Milne, and D. Lamb. "Frontal sinusitis caused by Myriodontium keratinophilum." BMJ 290, no. 6463 (January 19, 1985): 207. http://dx.doi.org/10.1136/bmj.290.6463.207.

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Ajello, L., and A. Padhye. "Keratinophilic Fungi of the Galapagos Islands." Mycoses 17, no. 10 (April 24, 2009): 239–43. http://dx.doi.org/10.1111/j.1439-0507.1974.tb04484.x.

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Mercantini, R., R. Marsella, and M. C. Cervellati. "Keratinophilic fungi isolated from antarctic soil." Mycopathologia 106, no. 1 (April 1989): 47–52. http://dx.doi.org/10.1007/bf00436926.

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Mercantini, R., R. Marsella, D. Moretto, and E. Finotti. "Keratinophilic fungi in the antarctic environment." Mycopathologia 122, no. 3 (June 1993): 169–75. http://dx.doi.org/10.1007/bf01103478.

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Sharma, Rahul, and R. C. Rajak. "Keratinophilic fungi: Nature’s keratin degrading machines!" Resonance 8, no. 9 (September 2003): 28–40. http://dx.doi.org/10.1007/bf02837919.

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Nigam, Neeta, Shashi Dhawan, and M. V. Nair. "Deterioration of feather and leather objects of some Indian museums by keratinophilic and non-keratinophilic fungi." International Biodeterioration & Biodegradation 33, no. 2 (January 1994): 145–52. http://dx.doi.org/10.1016/0964-8305(94)90033-7.

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Ogórek, Rafał, Agata Piecuch, Zuzana Višňovská, Magdalena Cal, and Katarzyna Niedźwiecka. "First Report on the Occurence of Dermatophytes of Microsporum Cookei Clade and Close Affinities to Paraphyton Cookei in the Harmanecká Cave (Veľká Fatra Mts., Slovakia)." Diversity 11, no. 10 (October 13, 2019): 191. http://dx.doi.org/10.3390/d11100191.

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Keratinolytic and keratinophilic fungi, such as dermatophytes, are frequently a cause of infections in humans and animals. Underground ecosystems are inhabited by various animals and are of interest for tourists. Therefore, the main goal of our research was the first evaluation of sediment and soil samples taken inside and outside the Harmanecká Cave in Slovakia for the occurrence of keratinolytic and keratinophilic fungi. Tests with Vanbreuseghema bait, as well as phenotyping and molecular methods, showed that all of the sampling sites contained ten isolates, all of the same species of keratinophilic fungi, belonging to the Microsporum cookei clade and with close affinities to Paraphyton cookei (Ajello) Y. Gräser, Dukik & de Hoog. Our research showed that, dependent on the medium, its mycelium varied in color and showed different growth rates. It also produced metabolites alkalizing DTM (dermatophyte test medium) medium. It dissolved keratin in in vitro hair perforation tests and was able to utilize most substrates in the API® 20C AUX, except for MDG (α-methyl-D-glucoside). In addition, the vegetative structures of mycelium were viable after storage at temperatures from −72 to −5 °C for 56 days, and actively grew after 28 days at a temperature range from 15 to 37 °C, with 25 °C being optimal. It showed weak, but active, growth at 5 and 10 °C after 56 days. We can assume that due to the low temperature in the caves, this fungus will not be able to actively grow rapidly on keratin substrates, but the contact with mammals, along with other favorable factors, might lead to an infection.

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Ihnatowicz, Aleksandra. "Fungi obtained on various media from soil under banana trees near Logos in Nigeria." Acta Mycologica 16, no. 1 (August 20, 2014): 105–13. http://dx.doi.org/10.5586/am.1980.006.

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From the soil samples collected from beneath various banana plant, <i>Musa paradisiaca</i> L., 96 different species of soil fungi were isolated on medium: Ohio-Agar, Littmans-Agar, Martins Rose Bengal-Agar and identified. Four species of keratinophilic fungi were isolated by means of To-Ka-Va trap-hair method.

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Prochacki, Henryk, and Sabina Biełuńska. "Keratinophilic fungi in the soil of Szczecin." Acta Mycologica 4, no. 2 (November 21, 2014): 345–49. http://dx.doi.org/10.5586/am.1968.031.

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