Serdar Makbul

Recep Tayyip Erdoğan Üniversitesi · Biyology

The genus Vaccinium L. (Ericaceae) consists of shrubs or dwarf shrubs species widely distributed in Southeast Asia, America, and Europe. In the present paper, members of the genus (V. arctostaphylos, V. myrtillus, V. uliginosum, V. vitis-idaea) naturally grown in Northeast Anatolia were compared in terms of leaf venation, seed micromorphology, and...

Background and Aims: Scorzonera ketzkhowelii Sosn. ex Grossh. (Asteraceae) was reported as a new species in the Flora of Turkey in 2010. However, there have been no prior biological or chemical investigations conducted. Methods: This study aims to investigate the antimicrobial activities of the petroleum ether, dichloromethane, ethyl acetate, and...

A new salsify species, Tragopogon davut-turanii is described from Anatolia based on micro- and macro-morphological, and molecular evidences. The new species is morphologically similar to T. vvedenskyi and T. abbreviatus but, it is closely related to T. stenophyllus and T. coelesyriacus on the basis of the phylogenetic tree obtained nrDNA ITS sequen...

A new salsify species, Tragopogon davutii‐turanii , is described from Anatolia based on micro‐/macro‐morphological and molecular evidence. The new species is morphologically similar to T. vvedenskyi and T. abbreviatus , but differs from T. vvedenskyi mainly in ligule colour and from T. abbreviatus by achene characters and number of phyllaries . In...

Polygonum terzioglui (Polygonaceae), a new species from northernmost part of Turkey, is described based morphological, and molecular evidence. In addition, the leaf, ochrea, and fruit micromorphological traits of the new species are described. All findings revealed that the new species is closely related to P. samsunicum which is endemic to Turkey,...

Leaves of Scorzonera incisa DC. (Asteraceae) are eaten raw against diabetes and headache. Evaluation of medicinal, edible plants using profiling methods has become a common phenomenon. Petroleum ether (PE), ethyl acetate (EA), and n‐butanol (BU) fractions were prepared from ethanol extract of the aerial parts of the plant. Isolation by HPLC and phe...

In this study, melissopalynological and physico-chemical properties of the honey produced in the Cimil Plateau were determined. Eight honey samples were taken from Cimil Plateau (Rize province) from different altitudes and localities. All samples were analysed by standard laboratory methods to determine moisture, sugar, proline, diastase and 5-Hydr...

Bu çalışmada Aconogonon Rchb., Bistorta (L.) Adans. ve Fallopia Adans. cinslerinin ülkemizde yayılış gösteren üyeleri yaprak makro-mikromorfolojik özellikleri açısından ayrıntılı şekilde incelendi ve taksonomik açıdan değerlendirildi. Çalışmalar, türlerin doğal yayılış gösterdiği alanlardan toplanmış ve Recep Tayyip Erdoğan Üniversitesi Biyoloji Bö...

A new genus, Caucasoseris, is established to accommodate Prenanthes abietina, a species of hitherto uncertain systematic position distributed in the western Caucasus and northeasternmost Turkey in montane conifer and mixed forests. Agreement has existed that the species belongs somewhere in the Crepidinae or Lactucinae but its morphological feature...

Vincetoxicum anatolicum (Apocynaceae), a new species from eastern Turkey, is described and illustrated. Additionally, a revised key for Turkish Vincetoxicum is provided and the seed micromorphology and palynological properties of the new species is described for the first time. The new species is morphologically similar to V. fuscatum and V. parvif...

Bu çalışma ile Türkiye’de geniş bir yayılışa sahip Vincetoxicum tmoleum Boiss. taksonunun fotoğraf ve çizimler ile desteklenmiş morfolojik özellikleri yeniden incelenerek güncel veriler ışığında ülkemizdeki dağılımı ve tehdit değerlendirmeleri araştırılmıştır. Morfolojik çalışmalar, türün doğal yayılış gösterdiği alanlardan toplanmış ve Recep Tayyi...

Daha çok Kafkasya ve Avrupa'da yayılış gösteren Epilobium alpestre, mevcut kayıtlara göre Türkiye’nin kuzeydoğusundan bilinen tek popülasyonla temsil edilmektedir. Bu çalışma ile taksonun Türkiye’deki dağılımı, ayrıntılı morfolojik özellikleri ile polen ve tohum mikromorfolojik özellikleri verilerek türün sistematiğine katkı sağlanması amaçlanmıştı...

In the present study, the anatomical features of stem, leaf, and fruit of 22 Epilobium L. and 4 Chamaenerion Séguier taxa were studied using light microscopy with the aim to find out taxonomically significant characters for the examined taxa. Principal component analysis indicated that the row number of collenchyma, presence of periderma and phloem...

In the present paper, two little‐known species (T. olympicus Boiss. and T. pichleri Boiss.) endemic to Turkey are evaluated in terms of morphology based on numerous authentic and/or new collections. Additionally, the phylogenetic positions of these little‐known species are evaluated based on newly generated sequences of nrDNA ITS, trnL and trnL‐F....

Three new dihydroisocoumarin glycosides (iso-scorzopygmaecoside, scorzoaucherioside I, and scorzoaucherioside II) together with five known compounds (scorzopygmaecoside, scorzocreticoside II, 3,5-O-dicaffeoyl-epi-quinic acid, 3,5-O-dicaffeoylquinic acid, and 3,4-dihydroxyphenyl caffeate) were isolated from the aerial parts of the Scorzonera aucheri...

Chromatographic separation ofn-hexane and ethyl acetate fraction of a crude methanol extract obtained from aerial parts of theScorzonera aucherianaDC collected from Sivas province of Turkey yielded nine natural compounds; two new 3-caffeoyl-quinic acid analogs (1-2), one new taraxasterol oleate (3), and six known triterpenoids taraxasterol (4), tar...

This study provides the first comprehensive molecular phylogenetic reconstruction of the lettuce alliance (Cichorieae subtribe Lactucinae of the sunflower family) in its SW Asia centre of diversity and assumed area of origin. The sampling contains multiple samples of all SW Asian Lactucinae except four unavailable rare taxa. One nuclear ribosomal a...

EJDER et al.: Growth Inhibitory Effect of Ornithogalum balansae Extracts The purpose of this study was to investigate the antiproliferative effect of the methanol and ethyl acetate extracts of Ornithogalum balansae flower and bulb against normal ARPE-19 cell line and cancer cell lines, A549, CRL-2923, HT-29 and HeLa. The cytotoxic activities of the...

We report chromosome counts for ten taxa of Vincetoxicum sensu stricto (s. str.) (Apocynaceae) from Turkey (of which two are endemic), including the first chromosome counts for V. canescens subsp. pedunculata, V. funebre, V. fuscatum subsp. boissieri, V. parviflorum and V. tmoleum. Two taxa of V. fuscatum proved to be tetraploid (2n=44) and the rem...

Nonea (Boraginaceae) with nearly 35 species was divided into four sections based on the shape of mericarpids and the position of the anthers in the corolla tube. Although several comprehensive taxonomic studies have been performed on Turkish and European Nonea taxa, Caucasian ones have not been studied well. Therefore Caucasian Nonea need close att...

The Cichorieae Lam. & DC. is a tribe classified under the family Asteraceae. General characteristics of the tribe are milky latex and homogamous capitula with 5-dentate, ligulate flowers, makes the members easy to identify. The tribe compromise economically important genera Lactuca L. (Marul in Turkish), Scorzonera L. (Tekesakalı in Turkish) and Tr...

The pollen morphology of 25 Tragopogon L. taxa (including four subspecies and four varieties) distributed in Turkey was studied under light and scanning electron microscopy. It was observed that pollen grains of the examined Tragopogon taxa are suboblate and oblate-spheroidal in shape, and 3-zonocolpororate with fifteen lacunae. The lenghts of the...

Linaria Miller (1754: without page) is currently included in the Plantaginaceae family. This genus consists of ca. 150 species mainly distributed in Europe, Northern Africa and Central and Western Asia, but introduced and naturalized in other regions of the world with temperate climate (Sáez & Bernal 2009). It comprises annual or perennial herbs, w...

Macro- and micro-morphological features of seeds belonging to 26 taxa from Turkey were observed under the light and scanning electron microscopy. Present findings partly agree with segregation of Epilobium and Chamerion at generic level. The members of the genus Epilobium were distinguished by seeds with conical, semispherical, cylindrical or crest...

Tragopogon dshimilensis K. Koch is endemic to Turkey. This neglected species had been known from the original collection and was not included in the Flora of Turkey. Recently it was recollected from its type locality (A8 Rize: Cimil) and several adjacent localities. Based on two authentic specimens deposited at P and B, as well as new collections f...

In the present study, the general stem, root and leaf anatomical features of 59 Scorzonera L. s.l. (Asteraceae) taxa collected from Turkey are presented and evaluated by cluster and principal coordinate analysis. Numerical analyses based on 26 anatomical traits showed that arrangement of tracheal elements in the root, presence of cortical bundles,...

Tragopogon L. (Asteraceae) includes several cryptic species that are geographically widespread and morphologically similar. Here, we describe two new native species from eastern Anatolia. Through both morphological and molecular data, we present diagnostic characteristics, descriptions, pollen grains and micro- and macro-morphological properties of...

Macro- and micromorphological features of achenes belonging to 59 taxa from Turkey were observed via light and scanning electron microscopy. The findings agree with the traditional subdivision of Scorzonera into S. subg. Scorzonera, S. subg. Podospermum and S. subg. Pseudopodospermum. Members of S. subg. Podospermum were distinguished by achenes wi...

In this study, the pollen morphology of 20 representatives of ten taxa of Vincetoxicum from Turkey was observed under a scanning electron microscope and light microscope. Observations showed that each flower contained five pollinaria, including a pair of pollinia and caudicles attached to a central corpusculum. In the investigated taxa, the shape o...

Tragopogon turcicus Coşkunç., M.Gultepe & Makbul, a new diploid species (2n = 2x = 12), is described and illustrated from Kızıldağ National Park (Isparta), southwest Anatolia. It is morphologically similar to T. oligolepis Hartvig & Strid which is also endemic to Turkey. Diagnostic characters, description, conservation status together with micro- a...

In the present study, mitotic chromosome numbers of 18 Tragopogon taxa from Turkey, including five endemic species, were counted. The plant material originates from 30 populations. The chromosome numbers of T. albinervis (2n = 12), T. dshimilensis (2n = 12), T. oligolepis (2n = 12), T. porrifolius subsp. abbreviatus (2n = 12) and T. subacaulis (2n...

In the present study, chromosome morphology of 32 Scorzonera L. taxa, including 19 species endemic to Turkey, were analyzed. The plant materials were collected from different natural populations of Turkey between 2005 and 2011. The classification of chromosomes, the length of long and short arm, haploid chromosome length, arm ratio and relative chr...

A comprehensive taxonomic study based on comparative morphology of Scorzonera, here maintained in its wide sense, is presented for the territory of Turkey. This study has produced several changes of classification at sectional and species ranks. An updated list of Scorzonera taxa occurring in Turkey, along with their infrageneric classification, is...

In this study, pollen grains and anatomical features of Turkish lilies were investigated under the electron (SEM) and light (LM) microscope. LM and SEM observations showed that the pollen grains are monosulcate, heteropolar, elliptical in polar view and oblate. Numerical results based on combined palynological and anatomical characters were discuss...

Scorzonera ahmet-duranii S. Makbul & Coskuncelebi sp. nov. (Asteraceae) is described and illustrated as a new species endemic to Turkey. It is morphologically similar to S. semicana DC., but differs by its rootstock, deeply undulating basal leaves and glabrous achenes. Additionally, the size and micro-morphological properties of achenes and some an...

Scorzonera zorkunensis Coskuncelebi & S.Makbul (Asteraceae) is described and illustrated from Turkey. It grows on serpentine in alpine steppe vegetation together with several endemic Scorzonera L. species in southern Anatolia at altitudes of 2075-2100 m. It is morphologically similar to S. pisidica Hub.-Mor., but it diff ers in its habit and stem a...

In this study, the karyotypes of 13 taxa of the tribe Lactuceae growing naturally in Turkey were examined. Of the species of the genus Scorzonera L. (Asteraceae), S. laciniata L. subsp. laciniata, S. cana (C.A.Mey.) Hoff m. var. jacquiniana (W.Koch) Chamb., S. suberosa C.Koch subsp. suberosa, S. mollis M.Bieb. subsp. mollis, S. papposa DC., S. lace...

Linaria turcica S. Makbul & Hamzaoğlu sp. nova from Artvin (Yusufeli) province, NE Turkey, is described. It is compared with its morphologically closest match L. genisti-folia, from which it differs in several macro-and micromorphological characters. The genus Linaria is mainly distributed in the northern hemisphere (Sutton 1988) and its distri-but...

In the present study, the leaves of 18 Scorzonera L. (Asteraceae) taxa were studied by LM in order to assess anatomical variations that may serve as distinguishing characters and to evaluate their significance for the genus by numerical analysis. All the investigated species can be divided into distinct groups according to mesophyll and midrib stru...

Anatomical changes in the root, stem, and leaf of soybean (Glycine max (L.) Merr. cv. Nazlican) plants under drought stress were studied by light microscope and their significance was evaluated by numerical analysis. Some anatomical features related to parenchymatous cells, diameter of tracheas belonging to the root, stem, and leaf; stomata index;...

A new halophytic species, Scorzonera tuzgoluensis A. Duran, B. Doğan & S. Makbul sp. nov. (Asteraceae), is described and illustrated from Tuz Lake, central Anatolia, Turkey. The new species grows in salt marshes, is endemic (confined to central Anatolia) and closely related to Scorzonera parviflora Jacq. and S. elata Boiss. The diagnostic morpholog...

Phenetic traits of 39 populations belonging to 19 taxa of Scorzonera L. (Asteraceae) from north Anatolia were analyzed with the use of numerical methods. Principal component analysis (PCA) showed that pubescence and length of achenes, the shape of outer phyllaries, and average length of flowering capitula, plant pubescence, root shape and state of...

Pollen morphology of the 13 taxa of Scorzonera L. (Asteraceae) from Turkey was investigated by using light (LM) and scanning electron microscopy (SEM). As a result of LM and SEM observations, it was found that the pollen types are generally isopolar, radially symmetric, triangular in polar view, and lophate, with lophae ornamentations that are echi...

This study presents observations on the anatomical, palynological and ecological features of Tulipa gumusanica Terzioğlu and its morphologically similar relative, T. armena Boiss. var. armena, in order to clarify their similarities and differences. We found that these taxa have some important differences with regard to anatomical, palynological and...

Diatom flora of the Iyidere Stream was studied at different stations of the stream. A total of 101 diatom taxa were recorded in the study area. Diatoms of different stations in the stream were generally similar. In diatom flora, the most diverse genus was Navicula (18 species), followed by the genera Cymbella (14), Pinnularia (9), Surirella (7), Ni...

Anatomical and palynological features of E. algidum Bieb., E. palustre L., E. ponticum Hausskn., E. confusum Hausskn., E. hirsutum L. and E. montanum L. collected from NE Anatolia were examined and evaluated by numerical analysis in order to determine the taxonomic value of the observed internal peculiarities. Features related to pollen shape and o...

In this study, Sonchus erzincanicus Matthews (Asteraceae) collected from Erzincan (Turkey) has been investigated by its leaf and stem anatomical features, pollen grain characteristics and ecological features. It is an endemic perennial herbs growing in slightly basic with low organic content soil. Stem cortex seen transparently is composed of paren...

This study uses numerical methods to describe, illustrate and assess the taxonomic significance of morphological and anatomical features of Scrophularia ilwensis C. Koch, S. capillaris Boiss. & Ball., S. nodosa L., S. libanotica Boiss. var. pontica R. Mill, S. lucida L. and S. cinerascens Boiss. collected from NE Anatolia. Features related to pecul...