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Three lichenicolous fungi, Abrothallus peyritschii, Lichenochora verrucicola and Sclerococcum montagnei, collected from Burdur and Bitlis provinces, are reported as new to Turkey, the latter species is also new to Asia. Short descriptions, including geographical distributions, hosts and comparisons with similar taxa are provided.

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147 lichen species are reported from 21 collecting sites in Giresun province of Turkey. Cladonia deformis (L.) Hoffm. is new to Turkey. For each taxon, habitat and distributional data are provided 67 species are new to the province of Giresun. 8 species were defined for the first time for the eastern Black Sea region. A comparison is made with the lichen flora of the other Turkish Eastern Black Sea and adjacent Eastern Anatolian Provinces.

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A contribution to the lichen flora of Turkey is performed. A total of 149 lichen taxa and 2 lichenicolous fungi, from 36 different stations in Bayburt, are listed. Abrothallus prodiens, Acarospora badiofusca, Farnoldia hypocrita, Muellerella pygmaea are new to Turkey. Distribution and substrata are presented.

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Imazalil (IMA), a commonly used fungicide in both agricultural and clinical domains, is suspected to produce serious toxic effects in vertebrates. In recent years, a number of studies have suggested that lichens might be easily accessible sources of natural drugs that could be used as a possible food supplement. Extensive research is being performed to explore the importance of lichen species, which are known to contain a variety of pharmacological active compounds. In this context, the antigenotoxic effect of aqueous Dermatocarpon intestiniforme (Körber) Hasse. extract (DIE) was studied against the genotoxic damage induced by IMA on cultured human lymphocytes (n = 6) using chromosomal aberration (CA) and micronucleus (MN) as cytogenetic endpoints. Human peripheral lymphocytes were treated in vitro with varying concentrations of DIE (0, 25, 50 and 100 μg/ml), tested in combination with IMA (336 μg/ml). DIE alone were not genotoxic and when combined with IMA treatment, it reduced the frequency of CAs and the rate of MNs. A clear dose-dependent decrease in the genotoxic damage of IMA was observed, suggesting a genoprotective role of DIE. The results of the present study suggest that this plant extract per se does not have a genotoxic potential, but can alleviate the genotoxicity of IMA on cultured human lymphocytes. In conclusion our findings may have an important application for the protection of cultured human lymphocyte from the genetic damage and side effects induced by medical and agricultural chemicals hazardous for people.

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Acta Botanica Hungarica
Authors:
K. Yazici
,
A. Aslan
,
D. Karahan
,
A. Aptroot
, and
H. J. M. Sipman

A contribution to the lichen flora of Turkey is presented. A total of 282 lichen taxa and 20 lichenicolous fungi, of which 4 are varieties, are determined from 87 different localities in Muş province (Turkey). Lichenostigmagracile, a lichenicolous fungus, is new to Turkey, and 274 lichen species and 20 lichenicolous fungi are new for Muş.

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