Life Sciences Commons^™

Centaurea Bingoelensis (Asteraceae), A New Species From Turkey, Lütfi̇ Behçet, Ahmet İlçi̇m, Yakup Yapar

Turkish Journal of Botany

Centaurea bingoelensis Behçet & İlçim is described as a new species. It is confined to Bingöl in Eastern Anatolia, Turkey. The diagnostic characters are discussed and taxonomic comments are presented. Seed and pollen characteristics were investigated using light and scanning electron microscopy. Notes on its ecology are also presented.

Alopecurus Goekyigitiana (Poaceae, Subtribe Alopecurinae Sensu Stricto),A New Species From Turkey Based On Morphological And Molecular Investigation, Evren Cabi̇, Robert J. Soreng, Lynn Gillespie, Ekaterina Boudko

Turkish Journal of Botany

Alopecurus goekyigitiana, a new species from the Taurus Mountains of Turkey, is described and illustrated. Phylogenetic analyses of DNA sequence data support its relationship within Alopecurus sect. Colobachne with A. gerardi (plastid), or with the complex of A. davisii, A. lanatus, and A. vaginatus (nuclear ribosomal spacers). The new species differs from the above taxa by various combinations of characters, in having slender rhizomes and a mat-forming habit, indumentum of lower sheaths sparsely sericeous, glabrescent, culm leaf blades absent or vestigial, basal blades filiform, a dorsal awn on the lemma that is vestigial or up to 2 mm long, erect …

Ecological Gradient Analyses Of Plant Associations In The Thandiani Forestsof The Western Himalayas, Pakistan, Waqas Khan, Shujaul Mulk Khan, Habib Ahmad, Aamir Shakeel, Sue Page

Turkish Journal of Botany

In the summers of 2012 and 2013, vegetation of Thandiani in the Western Himalayas of Pakistan was surveyed and quantified. We took evidence from relationships between 252 species and 11 measured environmental factors as well as changes in the associations' structure among 50 analysed stations with 1500 m2 plots. We analysed how the plant associations differ and develop under the influence of their respective ecological gradients. Preliminary results showed that the family Pinaceae was the most abundant family with a family importance value (FIV) of 1892.4, followed by Rosaceae with FIV = 1478.2. Rosaceae, represented by 20 species, was the …

Floristic Differentiation Between Mid-Seral Communities Of Abandonedcharcoal Kilns In The Forests Of The Gargano Promontory (South Italy), Franco Pedrotti, Dan Gafta

Turkish Journal of Botany

We searched for patterns in species composition and richness of mid-seral communities developed on abandoned charcoal hearths that might be induced by differences in succession progress and forest context. One phytosociological relevé was performed on each of the 22 charcoal platforms located in beech (Anemono apenninae-Fagetum) and oak-hornbeam forests (Doronico-Carpinetum). The ratio of forest understorey to non-forest species richness (F/nF) at plot level was used as a proxy for the succession progress. There was a sharp differentiation of plant communities due to their floristic resemblance with the understory vegetation of the forest type in which they were integrated. Nevertheless, these …

Classification Of Plant Communities Along Postfire Succession In Pinus Brutia (Turkish Red Pine) Stands In Antalya (Turkey), Ali̇ Kavgaci, Urban Silc, Sai̇me Başaran, Aleksander Marinsek, Mehmet Ali̇ Başaran, Petra Kosir, Nesli̇han Balpinar, Münevver Arslan, Özge Ergüler, Andraz Carni

Turkish Journal of Botany

The paper deals with the classification of plant communities that appear along postfire succession of Pinus brutia forests (Turkish red pine). The research took place in the Antalya region in the southern part of Turkey. Samplings were performed in nine areas, with different periods after fire: 1, 2, 3, 4, 7, 12, 20, 40 years, and a mature forest with an estimated age of 60 years. Numerical classification and ordination analysis were used to determine the communities and to understand the temporal changes. The vegetation classification showed that separate plant communities can be distinguished along the succession line. It was …

Assessment Of Genetic Diversity Of Rose Genotypes Using Issr Markers, Ti̇jen Oğraş, Evren Koban Baştanlar, Özge Karakaş Meti̇n, İrfan Kandemi̇r, Hasan Özçeli̇k

Turkish Journal of Botany

The genus Rosa L. (Rosaceae) is an important ornamental crop with a high economic value in floriculture, cosmetics, and pharmaceutical industries. Turkey is an important country in rose cultivation with unique species and cultivars, especially for rose oil production. Breeding programs of different rose genotypes are crucial for the development of new commercial varieties. In this study, genetic relationships among the old rose cultivars locally grown in Isparta were assessed by DNA fingerprinting. Inter-simple sequence repeats markers (ISSRs) were used to investigate the genetic diversity among nineteen locally grown rose genotypes. Nineteen ISSR primers yielded a total of 413 scorable …

Determining Diurnal And Seasonal Changes In Melatonin Andtryptophan Contents Of Eggplant (Solanum Melongena L.), Ahmet Korkmaz, Gökçen Yakupoğlu, Şebnem Köklü, Yakup Cuci̇, Feri̇t Kocaçi̇nar

Turkish Journal of Botany

The objective of this study was to simultaneously determine changes in tryptophan and melatonin contents of eggplant seedlings at two different growth stages during a 24-h period. Variations in tryptophan and melatonin levels in different organs (roots, leaves, fruits, and seeds) and the distribution and accumulation of these molecules in these organs during various growth stages were also investigated. In eggplant seedlings, melatonin showed a strong peak at the beginning of the dark period, while tryptophan levels were at the lowest. Melatonin was also high in the middle of the light period and an inverse relationship was observed between melatonin …

Karyotype Analysis Of Some Taxa Of Dianthus Section Verruculosi (Caryophyllaceae, Sileneae), Derya Altay, Hali̇l Erhan Eroğlu, Ergi̇n Hamzaoğlu, Murat Koç

Turkish Journal of Botany

The purpose of this study was to determine chromosome numbers and karyological features of six Dianthus taxa belonging to section Verruculosi from Anatolia, Turkey. The chromosome numbers were determined as 2n = 30 in all taxa. Karyological measurements were made in detail for the first time for all taxa. Chromosome counts were given for the first time for all taxa except D. cyri and D. strictus. A new chromosome number was determined for D. strictus. The intrachromosomal and interchromosomal karyotype asymmetries were estimated with MCA and CVCL values.

Taxonomy Of Poa Jubata And A New Section Of The Genus (Poaceae), Evren Cabi̇, Robert John Soreng, Lynn Gillespie

Turkish Journal of Botany

Poa jubata A.Kern. is an ephemeral, southeastern European species of which little is known. A molecular phylogenetic analysis of Poa L., including all previously identified major lineages, shows this species to be isolated, with a genotype here designated as J (plastid) j (nrDNA). It is assigned to the monotypic P. sect. Jubatae sect. nov. The section is differentiated from other Poa sections in having 5-nerved upper glumes, very narrow palea flanges, an annual habit, and erect solitary culms. Poa jubata occurs along coastal regions of the Balkans and is rather rare. Two new collections were made in 2015 in Thrace, …

Zn-Use Efficiency For Optimization Of Symbiotic Nitrogenfixation In Chickpea (Cicer Arietinum L.), Igor Kryvoruchko

Turkish Journal of Botany

Zn deficiency is widespread in traditional areas of chickpea cultivation worldwide. It limits chickpea productivity and causes significant losses to the economies of the world?s largest chickpea exporters. This review may be of interest to researchers who would like to contribute to the improvement of chickpea cultivation on Zn-depleted soils in an environmentally sustainable manner, namely via identification of genotypes with superior symbiotic performance under Zn-limited conditions. The primary aim of the current work is to familiarize the readers with the biology and symbiotic characteristics of chickpea, and also to provide the necessary background on Zn as an essential nutrient …

Bioaccumulation And Oxidative Stress Impact Of Pb, Ni, Cu, And Cr Heavy Metals In Two Bryophyte Species, Pleurochaete Squarrosa And Timmiella Barbuloides, Serap Aydoğan, Bengi̇ Erdağ, Lale Aktaş

Turkish Journal of Botany

This study was conducted to evaluate the bioaccumulation and oxidative stress impact of lead (Pb), nickel (Ni), copper (Cu), and chromium (Cr) in bryophyte species Pleurochaete squarrosa and Timmiella barbuloides exposed to Pb, Ni, Cu, and Cr at 1 mM concentration for 48 h. Bioaccumulation ratios in the non-Fenton metals Ni and Pb were found to be higher than in Fenton metals Cu and Cr for both moss species. Except for Cu, high levels of heavy metal accumulation caused a slight increase in dry weights of both species. Total chlorophyll and carotenoid contents of both species showed variations under Ni, …

Yuhina Nigrimenta Blyth (Zosteropidae) As A Bird Pollinator Ofbrandisia Hancei Hook.F. (Scrophulariaceae) During Winter, Yifan Qian, Yun Xiang Li, Xuemei Zhang, Qiu Mei Quan

Turkish Journal of Botany

Winter-flowering plants commonly attract an insufficient number of pollinators. Harsh climate conditions, such as low temperature, make it impossible for insects to evolve as reliable pollinators. Birds can buffer against changes in weather to be more reliable pollinators for these kinds of plants, such as Brandisia hancei Hook.f. (Scrophulariaceae), a shrub endemic to the Northeast Sichuan Basin in China. In this study, the flower visitors, flowering phenology, pollinators, breeding system, and nectar availability of B. hancei Hook.f. were investigated. Results show that the flowering period duration was approximately 3 months for the whole population and more than 10 days per …

Habitat Factors Influencing The Competitive Ability Of Calamagrostis Epigejos (L.) Roth In Mountain Plant Communities, Daniel Pruchniewicz, Ludwik Zolnierz, Vlatko Andonovski

Turkish Journal of Botany

The aim of this study was to assess how the expansion of Calamagrostis epigejos influences the species composition and diversity of forest, clearing, and meadow communities as well as how habitat factors influence biometric variability and features determining the potential of Calamagrostis epigejos for expansion in the studied communities. The study was conducted in the central part of the Sudetes Mountains (SW Poland). Four types of communities with C. epigejos occurrence were chosen: a beech forest (Luzulo luzuloidis-Fagetum), a Norway spruce monoculture, a clearing community belonging to the Epilobietea angustifolii class, and a mesic mountain meadow of the Arrhenatheretalia order. …

Comparative Morphological And Cytogenetic Study Of Five Asparagus (Asparagaceae) Species From Algeria Including The Endemic A. Altissimus Munby, Kenza Boubetra, Nabila Amirouche, Rachid Amirouche

Turkish Journal of Botany

Forty wild populations belonging to five Asparagus species including the endemic A. altissimus were sampled in an east-west bioclimatic gradient of North Algeria. More than 250 individuals were taxonomically examined and karyologically investigated. Meiotic behavior was analyzed for each species. New chromosome numbers were consistent with the base number x = 10 for the genus Asparagus, and two cytotypes, diploid and hexaploid, were observed. Four species were found to have 2n = 20 chromosomes, highlighting the prominence of diploidy in North Africa. One polyploid with 2n = 60 is reported here as the first karyological information on the endemic A. …

Peucedanum Guvenianum (Apiaceae), A New Species From West Anatolia, Turkey, Hasan Yildirim, Hayri̇ Duman

Turkish Journal of Botany

Peucedanum guvenianum Yıldırım & H.Duman is described as a species new to science. It is endemic to the West Anatolia region of Turkey. It is known from a single locality in İzmir Province. P. guvenianum shows similarities to P. longifolium, P. ruthenicum, and P. vourinense. Diagnostic morphological characters are discussed and compared with those of closely related taxa. It is easily distinguished from related species especially by its stem 130-220 cm tall, distinctly striate, densely branched from below the middle to upper part; basal leaves 28-40 cm long and 20-70 cm wide; bracts linear-lanceolate and erect; petals emarginate at apex; …

Evaluation Of The Genetic Diversity Of Pomegranate Accessions From Turkey Using New Microsatellite Markers, Oğuzhan Çalişkan, Safder Bayazit, Mert Öktem, Ali̇ Ergül

Turkish Journal of Agriculture and Forestry

Turkey has many valuable genetic resources for pomegranate; however, there have not been many studies on the identification and characterization of these important genetic resources. New microsatellite markers were used to characterize a set of 78 pomegranate accessions from Turkey. Using six SSR primers, a total of 41 alleles were characterized with an average of 4.6 alleles per locus and mean probability of identity (PI) value of 0.366. These data indicated a high level of polymorphism in pomegranate germplasm. Five synonymous groups could be detected among 30 accessions. This microsatellite-based key is a first step towards a database for marker-assisted …

Allelic Variations Of Glutenin Subunits And Their Associationwith Quality Traits In Bread Wheat Genotypes, Hüsnü Aktaş, Faheem Shehzad Baloch

Turkish Journal of Agriculture and Forestry

The present study was conducted to evaluate the genotype x environment interaction of the yield and quality traits for five bread wheat varieties commonly grown in the Southeastern Anatolia Region of Turkey and 20 advanced lines developed within the framework of the International Winter Wheat Improvement Project. We also determined the allelic pattern of the Glu-1 and Glu-3 loci of these genotypes and examined whether these loci had an effect on the quality traits. There was a significant variation among the genotypes and environments in terms of grain yield, protein content, sedimentation volume (SV), and the extensograph dough energy value …

The First Forest Fire History Of The Burabai Region (Kazakhstan)From Tree Rings Of Pinus Sylvestris, Kuralay Mazarzhanova, Arailym Kopabayeva, Nesi̇be Köse, Ünal Akkemi̇k

Turkish Journal of Agriculture and Forestry

Forest fires are one of the most important events causing an abrupt decrease in tree-ring width. Although humans are the main cause of forest fires, extreme weather or climate change may promote the frequency and severity of fires. The purpose of this study is to reconstruct historical fires in the Burabai Region of Kazakhstan including their frequency and seasons. Five tree cross-sections with fire scars were collected from two different sites, Akylbai and Burabai. After sanding the transversal surfaces of the cross-sections, the year and season of fire scars were determined. We identified 15 fires during the last 300 years …

Cloning, Expression, And Activity Analysis Of Human Cathepsin C In The Yeast Pichia Pastoris, Cenk Dağlioğlu

Turkish Journal of Biology

The yeast Pichia pastorisexpression system was investigated for the production of human cathepsin C (CatC) recombinant protein. The full-length CatC cDNA, corresponding to amino acids 12-475, was synthesized from interleukin-2 (IL-2) stimulated human peripheral blood mononuclear cells and subcloned in the pGEM-T cloning vector. After confirming the DNA sequence of the insert, the gene was cloned into the pPICZ\alphaA expression vector under the control of the methanol-inducible alcohol oxidase (AOX1) promoter and transformed to P. pastoris X-33 cells. The expressed protein was secreted into the culture medium through the alpha-factor mating signal sequence of the expression vector. Analysis of the …

Efficacy Of Trichogramma Evanescens And Bacillus Thuringiensis Var. Kurstaki In Control Of Cydia Pomonella (L.) In Turkey, Sevcan Öztemi̇z, Ali̇ Küden, Serpi̇l Nas, Işilay Lavkor

Turkish Journal of Agriculture and Forestry

This study was conducted to evaluate the effectiveness of Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae) release with as well as without Bacillus thuringiensis var. kurstaki (Berliner) in biological control of Cydia pomonella (L.) (Lepidoptera: Tortricidae) in the Galaxy Gala apple variety grafted onto M9 rootstock in 2016. Four treatments were analyzed: releasing T. evanescens alone (TE), applying B. thuringiensis var. kurstaki (BT) alone, applying both (TE + BT), and a control (C) without any application at all. The experiment design entailed randomized blocks with four replicates. In each generation of the egg stage, 100,000 parasitoids per hectare were released twice (1440 …

Influence Of Vermicompost Application On Soil Consistency Limits And Soil Compactibility, Serdar Sari, Ekrem Lütfi̇ Aksakal, İlker Angin

Turkish Journal of Agriculture and Forestry

Soil organic matter (SOM) is a composite indicator of soil quality. Recycling of organic wastes is one of the environmentally compatible and economically viable options to increase and/or maintain SOM content. Our study was conducted to evaluate the effects of vermicompost (0%, 0.5%, 1%, 2%, and 4% w/w) on the consistency limits and the Proctor compaction test parameters of three texturally different soils (sandy loam, loam, and clay) from similar climatic conditions and cropping management practices. Results showed that vermicompost increased the optimum moisture content (OMC) with an associated decrease in maximum dry soil bulk density (MBD). The increase in …

Physiological Characterization Of Turkish Bread Wheat Genotypes For Resistance To Late Drought Stress, Ali̇ Öztürk, Murat Aydin

Turkish Journal of Agriculture and Forestry

A number of physiological traits have been proposed as selection criteria for late drought resistance and grain yield improvement in wheat. To characterize them in terms of late drought resistance, 64 bread wheat genotypes were evaluated for canopy temperature difference (CTD), leaf senescence rate (LSR), SPAD chlorophyll value, initial fluorescence (Fo), maximum fluorescence (Fm), variable fluorescence (Fv), maximum quantum efficiency of PSII (Fv/Fm), leaf ash content, and grain ash content in two field experiments conducted in irrigated and late drought conditions during the 2011-12 and 2012-13 seasons in Erzurum, Turkey. The experiments were conducted in an 8 x 8 lattice …

Antioxidant Capacity Of Oilseed Rape (Brassica Napus) In Different Soil Types, Dusica Jovicic, Jovica Vasin, Zorica Nikolic, Gordana Petrovic, Gordana Tamindzic, Maja Ignjatov, Dragana Milosevic

Turkish Journal of Agriculture and Forestry

This work considers the results obtained by testing the parameters of antioxidant status in leaves and roots of oilseed rape at different growth stages (phase I: formation of leaf rosettes and preparing for winter hibernation; phase II: after the winter hibernation; phase III: flowering) grown in semicontrolled field conditions on different soil types. The experiment was conducted on four oilseed rape genotypes (Banacanka, Jasna, Kata, and Zlatna) in semicontrolled conditions in containers with three soil types: chernozem, solonetz, and solonchak. The germination failed on solonchak due to the excessive amount of salt, but results were obtained for plant material on …

Optimization, Purification, And Characterization Of An Extracellular Antifungal Protein From Serratia Marcescens Dt3 Isolated From Soil In Vietnam, Tuyen Thi Do, Thao Thi Nguyen, Thanh Sy Le Nguyen, Hoang Thanh Le

Turkish Journal of Biology

Gram-negative Serratia marcescens is a potential biological control agent of fungal plant diseases in many tropical regions. Its antifungal activity is due to the production of prodigiosin, protease, chitinase, and other substances that act to weaken the fungal cell wall and cause lysis. In the following investigation, a novel extracellular protein with antifungal activity against Rhizoctonia solani and Fusarium oxysporum was optimally produced, purified, and characterized from a native Serratia marcescens DT3. Under optimal conditions (medium containing 1.25% peptone, 0.5% yeast extract; temperature of 28 °C; initial pH of 7; culture time of 28 h), the antifungal activity of the …

Genetic Variation And Potential Genetic Resources Of Several Romanian Larch Populations, Alina Vilcan (Truta), Lucica Mihalte (Crisan), Adriana F. Sestras, Liviu Holonec, Radu E. Sestras

Turkish Journal of Agriculture and Forestry

RAPD molecular markers and phenotypic growth traits were joined using different genotypes of Larix decidua (Mill.) to analyze genetic variation. Individual samples of vegetative clones were analyzed from Baciu orchard (obtained through a breeding program from regional stands from Romania) and pooled samples from places of origin (regional stands). Based on coefficients of variation for tree height, diameter, and volume, the greatest genetic variation in the orchard was observed at the Gura Humorului and Anina provenances (24.4%, 27.5%, and 14.4% for Gura Humorului and 26.9%, 29.46%, and 15.5% for Anina). In addition, the trees whose origins are Gura Humorului and …

The Sca1+ Mesenchymal Stromal Subpopulation Promotesdendritic Cell Commitment In The Niche, Na Li, Dandan Yin, Huijie Zhang, Jinmei Xu, Fan Wen, Zheng Liu, Yaozhen Chen, Ning An, Jiajia Xin, Yazhou Wang, Wen Yin, Xingbin Hu

Turkish Journal of Biology

The hematopoietic microenvironment regulates self-renewal and differentiation of hematopoietic stem cells. Mesenchymal stromal cells (MSCs) contribute to the niche and participate in supporting dendritic cell (DC) commitment in vitro and in vivo. However, due to MSCs being heterogenic, it is necessary to understand the function of the MSC subpopulation in modulating the DC commitment. The current study showed that one of the bone-related Sca1+ MSCs enhanced bone marrow cell differentiation into DCs by direct cell-to-cell contact. Furthermore, the expression of STAT3 and STAT5 genes decreased in supernatant cells after Sca1+ MSCs were cocultured with bone marrow cells. In contrast, the …

Characterization And Pathogenicity Of Fusarium Proliferatum Andfusarium Verticillioides, Causal Agents Of Fusarium Ear Rot Of Corn, Nur Ain Izzati Mohd Zainudin, Farah Aqila Hamzah, Nor Azizah Kusai, Nur Syuhada Zambri, Suhaida Salleh

Turkish Journal of Biology

Fusarium ear rot is a significant disease of corn caused by several toxigenic Fusarium species including Fusarium proliferatum and Fusarium verticillioides. Forty-one Fusarium isolates were recovered from corn with Fusarium ear rot disease symptoms collected from Peninsular Malaysia. Isolates were classified into three described species known as F. proliferatum, F. verticillioides, and F. solani. Based on sexual compatibility test, four isolates from F. proliferatum (MATD-1) were crossed-fertile with tester isolate F. proliferatum D024853 (MATD-2), producing perithecia in the presence of ascospores. Meanwhile, the isolates from F. verticillioides (MATA-2) were crossed with tester isolate F. verticillioides A00149 (MATA-1), but were found …

Utilization Of Different Anti-Viral Mechanisms By Mammalian Embryonic Stem Cells And Differentiated Cells, Yan-Lin Guo

Faculty Publications

Embryonic stem cells (ESCs) have received tremendous attention because of their potential applications in regenerative medicine. Over the past two decades, intensive research has not only led to the generation of various types of cells from ESCs that can be potentially used for the treatment of human diseases but also led to the formation of new concepts and breakthroughs that have significantly impacted our understanding of basic cell biology and developmental biology. Recent studies have revealed that ESCs and other types of pluripotent cells do not have a functional interferon (IFN)-based anti-viral mechanism, challenging the idea that the IFN system …

Reproductive Strategy Of The Giant Electric Ray In The Southern Gulf Of California, María I. Burgos-Vázquez, Paola A. Mejía-Falla, Victor H. Cruz-Escalona, Nancy Brown-Peterson

Faculty Publications

The objective of the present study was to describe and characterize macroscopic and microscopic aspects of the reproductive biology of the Giant Electric Ray Narcine entemedor, a viviparous elasmobranch targeted by commercial fishers in Mexico. A total of 305 individual rays were captured (260 females, 45 males); all males were sexually mature. The median size at maturity for females was estimated to be 58.5 cm TL, the median size at pregnancy was 63.7 cm TL, and the median size at maternity was 66.2 cm TL. The range of ovarian follicles recorded per female was 1–69; the maximum ovarian fecundity of …

The Effects Of Metolachlor Exposure On The Thp-1 Alveolar Monocyte And Macrophage Function, Jared S. Parmater

Dissertations and Theses @ UNI

The use of additive chemicals such as pesticides has become commonplace in agricultural practices in the Midwestern United States. Metolachlor, an herbicide used to regulate broadleaf weeds in corn and soybeans, is a widely utilized pesticide in the United States. This herbicide is effective in killing broadleaf weeds but has detrimental effects and consequences in non-target organisms. It is a frequent contaminant of ground water due to post application run-off and the air.

Inhalation constitutes one route of exposure, in addition to ingestion, adding to the list of unintended targets and consequences. This route of exposure creates an argument for …