Kurum Yazarı "Türk, Ayşen Özdemir" Makale Koleksiyonu İçin Listeleme
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Angiogenesis Inhibition by A Lichen Compound Olivetoric Acid
Koparal, Ayşe Tansu; Ulus, Gönül; Zeytinoğlu, Melih; Tay, Turgay; Türk, Ayşen Özdemir (Wiley-Blackwell, 2010)Lichens have been used in folk medicine for centuries and are symbiotic organisms of fungi and algae that produce unique secondary metabolites. Olivetoric acid is one of these secondary metabolites. In the present studs ... -
The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
The Antimicrobial Activity of Extracts of the Lichen Cladonia foliacea and Its (-)-Usnic Acid, Atranorin, and Fumarprotocetraric Acid Constituents
The antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against ... -
Dacampia cladoniicola sp nov (Ascomycota, Dacampiaceae) on Cladonia sp from Turkey
Halıcı, Mehmet Gökhan; Türk, Ayşen Özdemir; Candan, Mehmet (Mycotaxon LTD, 2008)Dacampia cladoniicola is described as new from four collections of squamules of an unidentified Cladonia sp. in western Turkey. It differs from the other members of the genus in the shorter and relatively narrow ascospores. ... -
Dacampia cladoniicola sp. nov. (Ascomycota, Dacampiaceae) on Cladonia sp. from Turkey
Dacampia cladoniicola is described as new from four collections of squamules of an unidentified Cladonia sp. in western Turkey. It differs from the other members of the genus in the shorter and relatively narrow ascospores. ... -
Epiphytic lichen diversity of the Sundiken Mountains (Eskisehir, Turkey)
Yavuz, Yılmaz; Türk, Ayşen Özdemir; Böcük, Harun (Blam E V, 2015)Ninety-three lichen taxa belonging to 43 genera are recorded from the Sundiken Mountains, Eskisehir (Turkey), of which 34 are reported for the first time from this area. Calicium parvum and C. trabinellum are new records ... -
Evaluation of the sunscreen lichen substances usnic acid and atranorin
Varol, Mehmet; Tay, Turgay; Candan, Mehmet; Türk, Ayşen Özdemir; Koparal, Ayşe Tansu (Inst Histol Embriol-Conicet, 2015)Usnic acid and atranorin are known as both sunscreen substances in natural lichen population and cytotoxic substances on human cell lines. Both substances were isolated from the acetone extracts of Cladonia foliacea and ... -
A key to the peltigericolous fungi in Turkey
Halıcı, Mehmet Gökhan; Candan, Mehmet; Türk, Ayşen Özdemir (Mycotaxon LTD, 2012)Eleven taxa of peltigericolous fungi are reported from Turkey for the first time - Arthonia fuscopurpurea, A. peltigerina, Corticifraga fuckelii, C. peltigerae, Nectriopsis lecanodes, Norrlinia peltigericola, Polycoccum ... -
Lichens of Malatya, Elazig and Adiyaman provinces (Turkey)
Candan, Mehmet; Türk, Ayşen Özdemir (Mycotaxon LTD, 2008)The lichenized and lichenicolus fungi of Malatya, Elazig and Adiyaman provinces of Turkey, based on the authors' collections and literature records, are listed, of which 20 are new for Turkey and 187 are new for the study ... -
Lichens of the thrace region of Turkey
Türk, Ayşen Özdemir; Güner, H. (1998)This paper gives the distribution of lichens in the Thrace region determined in this study and in nine previous studies as well. The genus Placidiopsis (Verrucariaceae) is recorded for the first time in Turkey and thirty-three ... -
A new lichenicolous species of Capronia (Ascomycota, Herpotrichiellaceae), with a key to the known lichenicolous species of the genus
Halıcı, Mehmet Gökhan; Hawksworth, David L.; Candan, Mehmet; Türk, Ayşen Özdemir (Springer, 2010)A new lichenicolous fungus in the genus Capronia is described: C. minutosetosa sp. nov. from the thallus of Chromatochlamys muscorum in Turkey and Spain. The new species differs from those previously recognized in the genus ... -
New records of lichenicolous and lichenized fungi from Turkey
Halıcı, Mehmet Gökhan; Candan, Mehmet; Türk, Ayşen Özdemir (Mycotaxon LTD, 2007)Six species of lichenicolous fungi (Endococcus nanellus, Polycoccum dzieduszyckii, Polycoccum sporastatiae, Stigmidium gyrophorarum, Weddellomyces hetcrochrous, and Zwackhiomyces lecanorae) and one lichenized fungus ... -
New records of peltigericolous fungi from Turkey
Candan, Mehmet; Halıcı, Mehmet Gökhan; Türk, Ayşen Özdemir (Mycotaxon LTD, 2010)Notes on seven species of peltigericolous fungi are provided. Six species (Capronia peltigerae, Dacampia rufescentis, Neolamya peltigerae, Phoma peltigerae, Pronectria robergei, and Stigmidium peltideae) are reported for ... -
New records of pyrenocarpous lichenicolous fungi from Turkey
Halıcı, Mehmet Gökhan; Türk, Ayşen Özdemir; Candan, Mehmet (Mycotaxon LTD, 2007)This study reports eight species of lichenicolous fungi from Turkey. Five of these taxa, Endococcus propinquus, E. rugulosus, Polycoccum cartilaginosum, P. crassum and Stigmidium psorae are new records for Turkey. The ... -
A new species of Polycoccum (Dothideales, Dacampiaceae) from Turkey
Halıcı, Mehmet Gökhan; Knudsen, Kerry; Candan, Mehmet; Türk, Ayşen Özdemir (Gebruder Borntraeger, 2009)Polycoccum teresum is described as new from the thallus of a Xanthoria sp. on siliceous rocks in the western part of Turkey. It is the first known species of Polycoccum on members of Teloschistaceae, having smooth ascospores ... -
Photoprotective Activity of Vulpinic and Gyrophoric Acids Toward Ultraviolet B-Induced Damage in Human Keratinocytes
Varol, Mehmet; Türk, Ayşen Özdemir; Candan, Mehmet; Tay, Turgay; Koparal, Ayşe Tansu (Wiley, 2016)Vulpinic and gyrophoric acids are known as ultraviolet filters for natural lichen populations because of their chemical structures. However, to the best of our knowledge, there has been no reference to their cosmetic ...