Oğuzhan Kaygusuz

Isparta University of Applied Sciences · Plant and Animal Production

Ten Russula species, R. amarissima, R. amoenicolor, R. campestris, R. cistoadelpha, R. faustiana, R. parodorata, R. prinophila, R. pseudoaeruginea, R. versicolor and R. vinosobrunnea are recorded for the first time from Turkey. A description of the taxa are given together with micromorphologies and photographs of the fruitbodies.

Twenty-six species from various sections of the genus Pluteus have been recorded from Turkey until now. In this study, phylogenetic analyses inferred from the nuclear ribosomal internal transcribed spacer (nrITS) were conducted for species delimitation and for comparisons with closely related taxa of Pluteus sect. Hispidoderma in Turkey. Our result...

A new species of Volvariella, collected from Aydın Province on the coast of the Aegean Sea in southwestern Turkey, is described as Volvariella turcica, sp. nov., based on morphology and multigene molecular analysis of three nuc rDNA gene regions: internal transcribed spacer ITS1-5.8S-ITS2 (ITS), 28S, and 18S. The new species was found in forests do...

The taxonomy and phylogeny of Hydropus subalpinus and Leucoinocybe lenta were investigated on the basis of morphological features and multi-gene molecular analysis (nrITS, nrLSU, tef-1α data sets) in order to elucidate the taxonomic status of these two rare species, and delineate a natural classification within the family Porotheleaceae. The result...

A new species belonging to Pluteus sect. Celluloderma with specimens collected in Artvin Province, Black Sea region, northeastern Turkey, is described as Pluteus anatolicus sp. nov. based on morphological characteristics and molecular data (nrITS). The new species was found in Fagus orientalis forests and is mainly characterized by a terrestrial ha...

Two new species of Volvariella from Denmark, V. similis and V. sulcata, are described with phylogenetic inference based on multiple loci (ITS1-5.8S-ITS2 and 28S). Volvariella similis is characterized by its brownish pileus, grey stipe without caulocystidia, clavate to broadly subutriform pleurocystidia, and cylindrical, tapering pileipellis element...

Hygrophoropsis flavida is reported for the first time from southern Türkiye, based on morphological and multi-molecular phylogenetic analyses, including nucleotide sequences of the nuclear ribosomal internal transcribed spacer (ITS1-5.8S-ITS2 = ITS) and large subunit (LSU) of the ribosomal RNA (rRNA) gene. In addition, the species was found on the...

During a survey of the macrofungal diversity in the Sweetgum Forest Nature Protection Area (Burdur Province), southwestern Turkey, we discovered a new species of Pluteus. The species is described and illustrated here as Pluteus canaliculatus, based on its morphological characteristics and molecular phylogenetic analyses. The new species was found o...

Entoloma is one of the largest genera of Agaricales in terms of species diversity and is widespread throughout the world. In the present study, four new species, namely Entoloma brunneofibrillosum, E. humidiphilum, E. ochraceodiscum, and E. colchicum, are introduced as new to science. These species are described based on specimens collected in Cypr...

During a survey of agarics in the Mediterranean region of southwestern Türkiye, some noteworthy mushrooms were collected. Among the specimens, we discovered two new species of Inocybe, which are proposed and illustrated in this study as Inocybe pseudogeophylla and I. succinea. Molecular phylogenetic analyses based on a nuc rDNA ITS1-5.8S-ITS2 (ITS)...

Species of Pseudosperma (Inocybaceae) are widely distributed from temperate to tropical regions. In this study, we describe and illustrate five new species of Pseudosperma : P . beninense , P . cremeo-ochraceum , P . squarrosofulvum , P . stramineum , and P . tiliae , based on comprehensive analyses of morphological and molecular data derived from...

A deadly poisonous fungus, Galerina venenata collected from rhizospheric region of Olea europaea, which is distributed in the area with dominance of Mediterranean climate, is reported for the first time for Türkiye. Molecular phylogenetic analysis based on ITS rDNA sequences from Turkish collections confirmed the position of G. venenata in the genu...

Species of Pseudosperma (Inocybaceae) are widely distributed from temperate to tropical regions. In this study, we describe and illustrate five new species of Pseudosperma : P. beninense , P. cremeo-ochraceum , P. squarrosofulvum , P. stramineum , and P. tiliae , based on comprehensive analyses of morphological and molecular data derived from speci...

A new lignicolous agaric, Cystoagaricus squarrosus, is described and illustrated based on collections gathered in Burdur province (Turkey) and Girona Pyrenees (Spain). This new species was found in southwestern Turkey associated with the wood of a tertiary relict endemic Liquidam-bar orientalis, and in eastern Spain on wood of Fraxinus excelsior. C...

We studied the taxonomy of Pluteus podospileus and similar species using morphological and molecular (nrITS, TEF1-α) data, including a detailed study of the type collections of P. inflatus var. alneus, Pluteus minutissimus f. major, and P. granulatus var. tenellus. Within the P. podospileus complex, we phylogenetically confirmed six species in Euro...

Novel species of fungi described in this study include those from various countries as follows: Australia, Aschersonia mackerrasiae on whitefly, Cladosporium corticola on bark of Melaleuca quinquenervia, Penicillium nudgee from soil under Melaleuca quinquenervia, Pseudocercospora blackwoodiae on leaf spot of Persoonia falcata, and Pseudocercospora...

A new species, Pseudosperma pamukkalense, discovered in Pinus nigra subsp. pallasiana forests is described from the Mediterranean climate zone of southwestern Turkey. The novel species is recognized by the presence of pale straw to brownish yellowish pileus, mingled with reddish-brownish streaks with age, smooth to finely innately fibrillose pileus...

Inocybe kusadasiensis sp. nov., a novel species which was collected from Pinus brutia forest near Kuşadası (Turkey), in the coastal area of Aegean Sea, is introduced with full descriptions of macro and microscopic features, field photograph and line-drawings. A phylogenetic analysis of sequence data for the nuc rDNA internal transcribed spacer regi...

Collections of Inosperma bongardii, which belongs to the Inocybaceae family, were collected from the Aegean Region of Turkey. The DNA sequences of the samples were isolated, and the results were compared with the sequences at the National Center for Biotechnology Information (NCBI) using the Basic Local Alignment Search Tool (BLAST). According to t...

The new locality record for Xerocomellus redeuilhii from Aydın Province in the Aegean Region was presented in the current study. X. redeuilhii was described in detail, and the first nrITS sequences from Turkey were presented, together with macroscopic and microscopic photographs of the species.

Inocybe viscida sp. nov., a novel species found in a forest with old trees of Pinus brutia and tertiary relict endemic Liquidambar orientalis in coastal area of southwestern Turkey, is described and illustrated. We present this new species based on morphological and molecular data from nuclear rDNA internal transcribed spacer region (ITS1-5.8SITS2...

Two rare species of the genera Chamaemyces and Hodophilus, Chamaemyces fracidus and Hodophilus tenuicystidiatus, are described as new records from Aegean part of Turkey. The phylogenetic placement of C. fracidus and H. tenuicystidiatus are investigated based on multi-gene molecular analyses containing nrITS and nrLSU data sets. Results indicate tha...

There are scarce of information regarding the concentrations of radioactive elements in morels growing in Turkey. This study aimed to investigate the occurrence of radioactive 134Cs, 137Cs and 40K in Morchella deliciosa Fr., M. elata Fr., M. esculenta (L.) Pers. and M. tridentina Bres. gathered from different regions of Turkey.

In this study, Lactarius atlanticus is reported for the first time from Turkey based on the evaluation of both molecular and morphological approaches.

A rare species, Melanoleuca tristis is reported for the first time from Türkiye on sandy soil under Pinus nigra subsp. pallasiana forest, a characteristic habitat of the Mediterranean region. Phylogenetic analysis based on a dataset of the nuclear ribosomal DNA (rDNA) internal transcribed spacer (ITS) sequences is performed to support the identific...

A new species of Lepiota from Turkey, Lepiota cremea sp. nov., is proposed based on morphological characters and phylogenetic analyses of the nuclear rDNA internal transcribed spacer (ITS1-5.8S-ITS2 = ITS) region. The morphological features together with molecular data confirmed both the novelty of this species and its infrageneric placement within...

We studied the taxonomy of Pluteus romellii, and morphologically similar Holarctic species in the /romellii clade of section Celluloderma, using morphological and molecular data (nrITS, TEF1-α). Pluteus romellii is lectotypified and epitypified and accepted as an exclusively Eurasian species. Pluteus lutescens and P. pallescens are considered synon...

During the fieldwork carried out in Western Anatolia in November 2018-2021, specimens of the genus Hebeloma were collected from the Isparta Province (Turkey). This study shows examination of the collections based on morphology and phylogeny inferred from the nuc rDNA internal transcribed spacer region (ITS). The results indicate a new locality reco...

The deceiver or waxy laccaria, Laccaria laccata, has been reported previously from different regions in Turkey. The new locality records of L. laccata from Afyonkarahisar, Kütahya and Uşak Provinces are presented in this study, based on morphological characters and molecular phylogenetic analysis using nuc rDNA internal transcribed spacer (ITS) seq...

Mycena purpureofusca, a species of agaric fungus in the family Mycenaceae, is reported from Köyceğiz district of Muğla Province (Turkey), based on the macro-and micromorphological features, and its identity supported by phylogenetic analysis of the rDNA internal transcribed spacer region and nuclear large ribosomal subunit (nrITS + nLSU). The speci...

This study reports new locality record of Coprinopsis melanthina from Aegean (Aydın Province) and Mediterranean (Adana Province) Regions of Turkey, using morphology and phylogeny inferred from the internal transcribed spacer (ITS) and the partial large subunit nuclear ribosomal DNA (nrLSU). Phylogenetic analysis based on Maximum likelihood method h...

We studied the taxonomy of Pluteus insidiosus and similar species using morphological and molecular (nrITS, TEF1-α) data, including a detailed study of the type collection of P. insidiosus. Based on our results, we recognize five species in this group: P. insidiosus sensu stricto and four other taxa: P. assimilates; P. farensis; P. flavostipitatus;...

Bolbitius reticulatus, which is pertained to European region, is reported here for the first time from Black Sea Region, northeastern Turkey based on both morphological characters and constructed multilocus dataset (nrITS, nrLSU rDNA). A complete macro-and micro-morphological description of the species is provided along with the photographs of fres...

Cortinarius dibaphus, an uncommon to rare species in Europe where it is known mainly from Abies alba forest, is reported as a new from Turkey based on morphology and nrITS sequence analyses. It was found in the forest under Abies nordmanniana subsp. equi-trojani, which is a new host. Comprehensive description of the morphological characters, macro...

Callistosporium luteo-olivaceum collected from Mediterranean region of Turkey is identified based on morphological characters and combined dataset of nuclear ribosomal ITS and LSU sequences. Callistosporium luteo-olivaceum is new to the country’s mycobiota and it is the first report of this species from the relict endemic Liquidambar orientalis for...

During a survey on macromycetes in Denizli Province, Turkey, terrestrial specimens of Pluteus mediterraneus sp. nov. were collected under olive trees (Olea europaea L.). The new species is proposed based on morphological characters as well as phylogenetic analyses of nrITS sequences. The description is accompanied with colour photographs, line-draw...

Xerophorus donadinii (Bon) Vizzini, Consiglio & M. Marchetti has been identified from the Mediterranean Region of Turkey based on morphological characters and molecular phylogenetic studies. A combined dataset generated from nuclear ribosomal internal transcribed spacer and nuclear ribosomal DNA large subunit gene sequences is used to assess its po...

Resupinatus niger (Basidiomycota: Agaricales): A Rare Fungus From Turkey

Bu çalışmada Türkiye’nin farklı coğrafik bölgelerinde doğal olarak yayılış gösteren Pluteus atromarginatus, P. aurantiorugosus, P. brunneidiscus, P. cervinus, P. chrysophaeus, P. chrysophlebius, P. cinereofuscus, P. dietrichii, P. eludens, P. ephebeus, P. granularis, P. granulatus, P. hispidulus, P. hongoi, P. kovalenkoi, P. leoninus, P. multiformi...

Pluteus lauracearum, a new species of Pluteus sect. Hispidoderma, is described and illustrated based on macro- and micromorphological data and phylogenetic analyses of the nuclear rDNA sequences of the ITS1-5.8S-ITS2 region. Morphologically, this novel species is characterized by small basidiomata having whitish to dark brown pileus colour, with fi...

In this 7th contribution to the Fungal Systematics and Evolution series published by Sydowia, the authors formally describe 14 species: Cantharomyces paschalis, Cryptandromyces pinguis, C. tricornis, Laboulbenia amblystomi (Laboulbeniales); Cortinarius squamosus, Entoloma brunneicoeruleum, E. callipygmaeum, E. minutigranulosum, E. perasprellum, E....

The present study reports on variations for banding pattern of protein fractions and protein profiles in some Pluteus species (P. cervinus, P. chrysophlebius, P. cinereofuscus, P. granulatus, P. hongoi, P. kovalenkoi, P. leoninus, P. nanus, P. petasatus, P. phlebophorus, P. romellii, P. roseipes, P. salicinus, P. shikae and P. umbrosus) collected f...

Among natural products, mushrooms are well known for their nutritional value and health-improving features. In this study, the total phenolic content, total oxidant status, total antioxidant capacity, lipid hydroperox-ides, and total free sulfhydryl levels of wild edible mushroom Sarcodon squamosus were investigated. The agar disc diffusion method...

Pluteus and Volvopluteus are two closely related genera of Pluteaceae that comprise saprotrophic fungi. Although the genera have been well-studied in Europe, North and South America, the diversity of Pluteus, mainly Pluteus sect. Pluteus, and Volvopluteus in Turkey is poorly known due to insufficient morphological descriptions and a lack of DNA seq...

In the present study, four interesting Entoloma species collected from Aegean and Black Sea Regions of Turkey have been analysed morphologically and molecularly (nrITS). Entoloma mougeotii var. mougeotii and E. queletii are reported for the first time from Turkey. In addition, the nrITS sequences of Entoloma conferendum var. conferendum and E. unda...

Fungal Systematics and Evolution (FUSE) is one of the journal series to address the “fusion” between morphological data and molecular phylogenetic data and to describe new fungal taxa and interesting observations. This paper is the 6th contribution in the FUSE series—presenting one new genus, twelve new species, twelve new country records, and thre...

Trichoglossum hirsutum, a rare and noteworthy species in the genus Trichoglossum, has been previously collected only from Black Sea Region in Turkey. This work presents new findings on distribution of four specimens identified as T. hirsutum, the second record from Aegean and Mediterranean Region of Turkey, using morphology and nrITS sequence analy...

In the present study, current information based on morphological characters and DNA sequence (nrITS) data is given on some uncommon or noteworthy Ascomycetes species collected from different geographic regions of Turkey. First phylogenetic analysis based on nrITS data of Helvella fibrosa and H. macropus the rare and little-known species was perform...

Russula is one of the most speciose genera among the agarics, but phylogenetic relationships among species and subgeneric groupings are poorly understood. Among them Russula juniperina is reported for the first time from Turkey based on morphology and molecular phylogeny. Comprehensive description of the morphological characters, macro and micropho...

Water pollution, along with freshwater scarcity, is a global environmental problem. In water bodies, the content of substances of anthropogenic origin increases, the toxicity of which for most aquatic organisms is already manifested in small concentrations. The greatest environmental danger is represented by heavy metals (HM). It is established tha...

Sustainable development of the any country is characterized not only by the dynamics of socioeconomic indicators, but also implies an increase in the life expectancy of the population, which according to the results of numerous studies depends on the state of the environment, occupational risks, environmental factors and the labor process, dangerou...

Morchella is a species-rich genus in the family Morchellaceae, but phenotypic variations among species and subgeneric groupings are poorly understood. New collections of Morchella tridentina, a taxon with a problematic taxonomic history, are reported from Denizli province in southwestern Turkey based on morphology and molecular phylogeny. This is a...

In this study, three species of hypogeous fungi are reported in different regions of Anatolian peninsula. Of these, Hydnocystis piligera is presented as the first record of this genus for Turkish mycobiota, while Melanogaster variegatus and Octaviania asterosperma are given as new locality records for Turkey. Macroscopic and microscopic photographs...

The study describes Hypomyces chrysosperum Tul. & C. Tul. as a new record for Turkey and Hypomyces (Fr.) Tul. & C. Tul. (Hypocreaceae) as a new genus record for Turkey. This fungicolous and mycoparasitic Ascomycota was collected in the Gireniz Valley (Denizli) growing parasitically on Suillus luteus (L.) Roussel. Descriptions of both the host and p...

Mushrooms comprise an unlimited source of active compounds which have beneficial health effects without known negative side-effects and can be potentially used as important therapeutic product against cancer disease which is leading cause of death worldwide. In this study, cytotoxic, anti-proliferative, apoptotic and anti-invasion effects of Macrol...

In the current study, Scutellinia legaliae is reported for the first time from Turkey. In addition, this is the first report of this taxon growing in a forest under the relict endemic Liquidambar orientalis. Description of the taxon is given together with macrophotographs and line drawings of microscopic structures. In addition, a key of the curren...

In the current study, Psilopezia nummularia, which known as psilopezioid fungi, is a new record at genus level in Turkey. In addition, this is the first report that relict endemic Liquidambar orientalis is a host of this species. Macro- and microphotographs of the taxon are given together with a description.

In the current study, Octospora leucoloma, known as a bryoparasitic fungus, is reported for the first time from Turkey at genus level. Macro-and microphotographs of the taxon are provided, along with a description.

In this study, the rare and poisonous species Paralepistopsis amoenolens (Turkish: Kokulu felceden, English: Paralysis funnel) is reported from Turkey for the first time. Microscopic images and descriptions of the species are given together with macroscopic photographs.

In the current study, Peziza succosella (Le Gal & Romagn.) M.M. Moser ex Aviz.-Hersh. & Nemlich was reported for the first time from Turkey. Microscopic drawings and description of the taxon were given together with morphological photograph. In addition the current list of the genus Peziza in Turkey was presented.

In the current study, the clavarioid taxon Typhula spathulata is reported for the first time from Turkey. It is the first record of the genus Typhula in the country. A description of the taxon is given together with microscopic drawings and photographs of the fruitbodies. V aktuální studii je poprvé z Turecka uveden clavarioidní taxon Typhula spat...

Species of Ascocoryne sarcoides (Jacq.) J.W. Groves & D.E. Wilson, Chlorociboria aeruginascens (Nyl.) Kanouse ex Ramamurthi, Korf & Batra and Lachnellula agassizii (Berk. & M.A. Curtis) Dennis, which are Helotiales, are described as new records for Turkey. Microscopic drawings and descriptions of the taxa are presented together with morphological p...

Two Lactarius species mycorrhizal with Cistus laurifolius in Turkey. Abstract In this study, two Lactarius species are reported which form mycorrhizal associations with Cistus laurifolius. Of these, Lactarius tesquorum is a rare species in the mycota of Turkey, and L. cistophilus is a new record. Microscopic drawings and detailed descriptions of th...

The present investigation was undertaken to evaluate the antimicrobial and antioxidant activities of the wild edible mushroom Agaricus lanipes, and also to investigate its cytotoxicity and potential and possible apoptotic effect against the A549 lung cancer cell line in in vitro conditions. Total antioxidant capacity, total phenolic content, total...

This study was conducted to determine the macrofungal diversity of the gireniz Valley. From 2010 to 2013, 674 samples of macrofungi were collected during field surveys conducted periodically in appropriate ecological conditions. As a result of macroscopic and microscopic studies, a total of 114 macrofungal taxa from the classes Pezizomycetes, Agari...

In this study, in order to investigate the anticancer mechanism of Calvatia gigantea extract, edible mushroom species, which belong to Lycoperdaceae family, changes of CCND1, CCND2, CDK4, p21, Akt, Bax, Bcl-2, p53, caspase-3 and caspase-9 were evaluated in A549 lung cancer cells. Cytotoxic effect of C. gigantea extract was evaluated by using XTT (2...

In this study the biologically active agent compositions of Salicornia europaea were investigated. The quantity of alkaloids and tannins at a plant have been determined by Pharmacopoeia methods. The composition of flavonoid-luteolin have been determined by high performance liquid chromatography. It was established by gas chromatography that essenti...

Pluteus hispidulus, Pluteus kovalenkoi, Pluteus semibulbosus and Pluteus shikae of the family Pluteaceae (Basidiomycota: Agaricales) collected in the Aegean region of Turkey are new records for the Turkish mycota. In addition, this is the first report of these taxa growing in the forests under domination of Laurus nobilis and the relict endemic Liq...

The present investigation was undertaken to evaluate the nutritional composition of the wild edible mushroom Agaricus lanipes. Results of the study showed that, based on dry weight, the moisture content of the samples of mature fruiting bodies of A. lanipes was 4.49%, while the contents of other components were, in order: total carbohydrate (52.32...

In this study, the effects of some herbal wastes such as daphne (Laurus nobilis), thyme (Origanum onites) and cumin (Cuminum cyminum) on the yield of Pleurotus ostreatus were investigated. While compost formula consisted 43% wheat straw+ 43% poplar dust+ 10% wheat bran+ 4% gyps mixture was used as the control group, 20% to 40% of herbal waste was a...

Mushrooms having proteins, carbohydrates, vitamins and addition to rich content of mineral nutrients as well as their different taste, has been a good source of food for humans for centuries. In addition, the presence of many active ingredients contain therapeutic effects which also increases their nutritional value. However, because of the short s...

This article focuses on the following stages: to study the chemical composition of the soil of Beskaragai district and to define micro-and macroelements of watermelon by X-ray spectral method and mass spectrometry method; determination of moisture; determination of pH of the soil; determination of the specific activity of gamma emitting radionuclid...

The determination of nineteen trace metal levels (Li, Be, Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Cd, Sn, Sb, Te, Hg and Pb) was performed for ten naturally growing edible mushroom species in three different provinces of Turkey. The possibility of using the mushrooms as a bio-indicator of enviromnental pollution was investigated. Trace metal con...

The determination of nineteen trace metal levels (Li, Be, Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Cd, Sn, Sb, Te, Hg and Pb) was performed for ten naturally growing edible mushroom species in three different provinces of Turkey. The possibility of using the mushrooms as a bio-indicator of environmental pollution was investigated. Trace metal con...

Soil samples were collected from six different localities and habitats in the Gireniz valley of Denizli province, Turkey, where six species of mushroom (Agaricus langei, Lactarius salmonicolor, Morchella conica, Rhizopogon roseolus, Russula delica and Tricholoina terreum) grow naturally and plentifully, and which are known as the 'home' of these mu...