Erdogan E Hakki

Selcuk University · Department of Soil Science and Plant Nutrition

Junegrass (Koeleria macrantha (Ledeb.) Schult.) is a cool-season wheatgrass fodder plant whose vegetative form grows during early spring in the rangelands of Turkey. Due to their natural growth in dry pastures, especially in sheep grazing meadows, it has shown great potential to support the breeding of pastures in these rangelands. For this study,...

The effects of boron on the formation and maintenance of mineralized structures at the molecular level are still not clearly defined. Thus, a study was conducted using MC3T3-E1 cells to determine whether boron affected mRNA expressions of genes associated with bone/alveolar bone formation around the teethMC3T3-E1 (clone 4) cells were cultured in me...

Background/Objectives In this in vitro study, the effects of Stromal cell‐derived factor‐1 (SDF‐1) was evaluated on the periodontal ligament‐Mesenchymal Stem Cells (pdl‐MSCs) functions. Material and Methods Real‐time cell analyzer‐single plate (RTCA‐SP) was employed for proliferation, and RTCA‐dual purpose (DP) was utilized for pdl‐MSCs migration...

The aim of this research is to evaluate and analyze the influence of different degrees of salt stress on the tolerance of Australian wheat lines having characteristics derived from wild types in comparison with a local cultivar well-adapted to Anatolian conditions under controlled conditions. In the research, the two lines, namely AU5924 and AU5907...

Abstract. This study developed a quadratic discriminant analysis (QDA) model from the spectroradiometer reflections (400 to 1000 nm) and phosphorus (P) uptake in wheat under varying rates of P dosages (0, 25, and 50 ppm P) in the tillering (GS25) and heading (GS55) stages. Seventy-two experimental plants were grown under controlled greenhouse condi...

Iodine is not considered an absolutely essential nutrient for plants, but previous studies have shown that iodine can be included in the useful element group. In our project, iodine was applied as potassium iodate to spinach (Spinacia oleracea L.) and the effect of iodine on the morphological properties of spinach were investigated. Iodine treatmen...

shown that iodine can be included in the useful element group. In our project, iodine was applied as potassium iodate to spinach (Spinacia oleracea L.) and the effect of iodine on the morphological properties of spinach were investigated. Iodine treatments were applied to the soil in 4 doses (0-10-20-40 mg kg-1) at the time of sowing, and to the le...

Genetic variability in a crop species for a particular trait symbolizes the prospect of its improvement. In today's modern world with continuously increasing population, enhancing crop production has become the main target of breeders and scientists; while the nutritional value of the crops remained ignored. Although preferential breeding during an...

Being responsible for severe social and health issues, micronutrient malnutrition gives rise to serious apprehension throughout the world. Nutrition is the key factor in any strategy designed to reduce the burden of diseases globally. More than 3 billion people around the world suffer from micronutrient deficiency due to the consumption of poor-qua...

Boron, Gene expression, Puccinellia distans

The continuously changing environment has intensified the occurrence of abiotic stress conditions. Individually, boron (B) toxicity and salinity stress are well recognized as severe stress conditions for plants. However, their coexistence in arid and semi-arid agricultural regions has shown ambiguous effects on plant growth and development. Few stu...

The effects of different boron (B) dosages (0, 2 and 12 mg B/kg) were determined on four soybean (Glycine max (L.) Merr.) cultivars, namely 13935, Türksoy, ME 3399 and Deficiency. B contents of the dried plant samples, dry weight, total oil, biomass, seed yield (g/pot), seed protein contents and seed fatty acid compositions were estimated. The seed...

Genetic polymorphism amid plant species is a crucial factor for plant improvement and maintaining their biodiversity. Evaluation of genetic diversity amongst plant species is significant to deal with the environmental stress conditions and their effective involvement in the breeding programs. Hence, in present study, an attempt has been made toward...

Polycyclic aromatic hydrocarbons (PAHs) are widely distributed environmental toxicants primarily formed during the incomplete combustion of organic materials (for example, coal, oil, gasoline and wood). Power energy plants are the main sources of organic contaminants including PAHs. The purpose of the present research was to study the Novocherkassk...

diabetes, glycosides, Stevia, stevioside, sweetener

Nowadays, rapid changes in dietary habits, especially an increase in sugar consumption are the basic cause of human diseases like obesity, diabetes, tooth decay and cardiovascular diseases. Hence, utilization of natural sweetening agents other than sugar has been initiated around the world and more than 20 sweeteners are being used according to the...

The soil is a less dynamic component of a biosphere and could be a final sink of many toxic pollutants which will be difficult to recycle. The chemicals such as chemical based fertilizers and pesticides that farmers apply to get more yields disrupt the soil properties and soil health. Researchers have done a lot of research to reclaim the degraded...

A research effort actually comes in to effect when it is published and becomes available to the scientific community; however, publishing it after following the required ethics is an equal challenge. Since last few years, a number of agencies specifically medical organizations and publishing editors have released several guidelines to resolve the i...

Global warming and others similar environmental conditions are hazardous for ecological growth and threaten all the living species. Nutrition is crucial for healthy existence of these species that can be constrained by adverse environmental conditions. Soil pollution has become one of the most critical examples of such constraints due to the diffic...

Objectives: The purpose of this study was to compare the proliferation and differentiation potential of mesenchymal stem cells (MSCs) derived from palatal adipose tissue (PAT) and lipoaspirated adipose tissue (LAT). Materials and methods: PATs were obtained from 2 healthy female patients undergoing surgery for gingival recession, and LATs were o...

Wheat production is required to double by 2050 in order to facilitate the global food assurance. Along with the rise in wheat production, improvement of the nutrient value of wheat varieties is another crucial challenge faced by wheat breeders. It is well established that more than 40% people in the world are at a risk of malnutrition caused by the...

Increasing population and its high nutritional needs accentuate the requirement of endurable agriculture. In past few years, there has been a great emphasis on the usage of biochar for soil remediation. It is widely being used, specifically in developing countries as a soil regulator due to its mitigating effects on physical and chemical properties...

The aim of this study was to evaluate the effects of diode laser biostimulation on cementoblasts (OCCM.30). A total of 40 root plates were obtained from healthy third molar teeth and assigned to the following two groups: (1) control group and (2) laser-treated group. Root plates were placed into the cell culture inserts, and OCCM.30 cells were seed...

Human gingival fibroblasts (HGFs) are the major constituents of the gingival tissues responsible for the synthesis and degradation of the connective tissue while actively participating in immune reactions and inflammation. The aim of this study was to test the impact of lipopolysaccharide (LPS) from Porphyromonas gingivalis (P. gingivalis) on human...

International Symposium on Boron in Agriculture. Ankara. 16-18 November 2016.

Background A total of 150 bread wheat genotypes representing 121 Indian and 29 Turkish origin were screened for nutrient concentrations and grain protein content. Elemental and grain protein composition were studied by Inductively Coupled Plasma-Atomic Emission Spectrophotometer and LECO analyser, respectively. The study was performed to determine...

Bu çalışma farklı düzeylerde uygulanan borun bor toksisitesine toleranslı RX 770 ve hassas TTM 81.19 mısır çeşitlerinin kök ve gövde anatomisine etkilerini belirlemek amacıyla yapılmıştır. Bunun için in vitro'da hibrit mısır çeşitlerine 1/5 oranında seyreltilmiş hoagland çözeltisi ile kontrol (0,3 mg.L-1 B), 2,5, 25, 50 ve 100 mg.L-1 seviyelerinde...

Biochemical testing is the most common method for identifying plant material as marijuana These tests based on the levels of ∆ 1-tetrahydrocannabinol (THC) in adult plants are also used for the segregation of Cannabis sativa species. However, chemical analysis require considerable amount of plant material, thus not applicable for trace analysis. Ne...

Human history was transformed with the advent of agriculture in the Fertile Crescent with wheat as one of the founding crops. Although the Fertile Crescent is renowned as the center of wheat domestication, archaeological studies have shown the crucial involvement of Çatalhöyük in this process. This site first gained attention during the 1961-65 exc...

Autoradiograph of radioactively labeled PCR amplification products of Çatalhöyük emmer samples. Autoradiograph of radioactively labeled PCR amplification products using SP6 and T7 primers from the colonies of the Çatalhöyük emmer samples (Fig 3) separated on DNA sequencing gel. The colony numbers marked with a red circle were selected as representa...

Ancient (Çatalhöyük and İmamoğlu Höyük) and modern wheat sequences at 152–156 bp length. Ancient (Çatalhöyük and İmamoğlu Höyük) and modern wheat sequences obtained in this study at 152–156 bp length (Total 43 sequences). Alignment was generated by Clustal 1.8 after excising the primer sites and viewed using Chroma software. (TIF)

NJ tree of modern and ancient (İmamoğlu Höyük) wheat sequences at ~250 bp length. The tree is constructed with ClustalX 1.8 after excising the primer sites with 1000 bootstrap values. (TIF)

Genetic relationship of wheat at glutenin loci based on ancient and modern wheat sequences from Turkey. The NJ tree is based on ~100 bp length DNA sequences after excising the primer sites and bootstrapped 1000 times. (TIF)

Modern and ancient (İmamoğlu Höyük) wheat sequences at 241–243 bp length. Modern and ancient (İmamoğlu Höyük) wheat sequences obtained in this study at 241–243 bp length (Total 32 sequences). Alignment was generated by Clustal 1.8 after excising the primer sites and viewed using Chroma software. (TIF)

NJ tree of ancient (Çatalhöyük and İmamoğlu Höyük) wheat sequences at ∼100 bp length. The tree is constructed with ClustalX 1.8 after excising the primer sites with 1000 bootstrap values. (TIF)

Modern wheat samples used for comparison with the ancient wheat DNA analysis. (PDF)

Autoradiograph of radioactively labeled PCR amplification products of Çatalhöyük einkorn samples. Autoradiograph of radioactively labeled PCR amplification products using SP6 and T7 primers from the colonies of the Çatalhöyük einkorn samples (Fig 3) separated on DNA sequencing gel. The colony numbers marked with a circle were selected as representa...

Ancient (Çatalhöyük and İmamoğlu H.) wheat sequences at 106–107 bp length. Ancient (Çatalhöyük and İmamoğlu H.) wheat sequences obtained in this study at 106–107 bp length (Total 21 sequences). Alignment was generated by Clustal 1.8 after excising the primer sites and viewed using Chroma software. (TIF)

NJ tree of modern and ancient wheat sequences (Çatalhöyük and İmamoğlu Höyük) at 150 bp length. Tree is obtained by ClustalX 1.8 with 1000 bootstrap values after excising the primer sites. (TIF)

Genetic relationship between İmamoğlu Höyük and modern wheat sequences from Turkey and from GenBank at glutenin loci. The NJ tree is based on ~100 bp length DNA sequences after excising the primer sites & bootstrapped 1000 times. (TIF)

Effect of the amount of the starting material in ancient DNA amplifications in relation to the state of preservation and the extraction method. (PDF)

Total amplified loci and number of sequences obtained in the study. (PDF)

Recent studies indicate an extremely high level of tolerance to boron (B) toxicity in Puccinellia distans (Jacq.) Parl. but the mechanistic basis is not known. Puccinellia distans was exposed to B concentrations of up to 1000 mg B L−1 and root B uptake, growth parameters, B and N contents, H2O2 accumulation and ·OH-scavenging activity were measured...

According to FAO (Food and Agriculture Organisation), the world population is expected to reach to 9 billion by the mid-21st century. While one seventh of current population suffers from nutritional deficiencies the challenging question of how it will be possible to achieve a food production level that will possibly meet the requirements of additio...

Genetic diversity amongst plant species offers prospects for improving the plant characteristics. Its assessment is necessary to help tackle the threats of environmental fluctuations and for the effective exploitation of genetic resources in breeding programmes. Although wheat is one of the most thoroughly studied crops in terms of genetic polymorp...

This study aimed to investigate the effect of different boron (B) treatments on drought tolerance of watermelon plants. Drought tolerant Citrullus lanatus (Thunb.) Matsum. et Nakai genotype 'Kar 98' was grown in controlled greenhouse conditions hydroponically and exposed to drought stress by applying PEG 6000 (polyethylene glycol) in the presence o...

Bread wheat ( Triticum aestivum ) is the most commonly grown crop due to its adaptation in a wide range of eco-geographical conditions and providing enhanced food assurance to the modern world. A diverse and rich collection is the foundation of each successful wheat improvement program. Therefore, major efforts are in progress worldwide to boost wh...

Bread wheat (Triticum aestivum) is the most commonly grown crop due to its adaptation in a wide range of ecogeographical conditions and providing enhanced food assurance to the modern world. A diverse and rich collection is the foundation of each successful wheat improvement program. Therefore, major efforts are in progress worldwide to boost wheat...

Combination of elemental and protein studies along with molecular data using microsatellite markers may lead to the better and realistic determination of relatedness between the varieties and their populations. In this study, the extent of diversity among five Turkish durum wheat cultivars and their populations has been assessed using seven microsa...

Combination of elemental and protein studies along with molecular data using microsatellite markers may lead to the better and realistic determination of relatedness between the varieties and their populations. In this study, the extent of diversity among five Turkish durum wheat cultivars and their populations has been assessed using seven microsa...

Background: Cell-based therapy using mesenchymal stem cells (MSCs) seems promising to obtain regeneration of dental tissues. A comparison of tissue sources, including periodontal ligament (PDL) versus pulp (P), could provide critical information to select an appropriate MSC population for designing predictable regenerative therapies. The purpose o...

Günümüzde ekonomik değeri oldukça fazla olan domates, yetiştiriciliğinden ıslahına kadar birçok araştırmaya konu olmuştur. Tüm tarımsal ürünlerde olduğu gibi domates üretiminde de esas amaç birim alandan kalite ve kantite yönünden en yüksek verimin elde edilmesi olduğuna göre, üretim ve kaliteyi arttırmak, yetiştirme zamanı ve şeklinin en iyi şekil...

Objective: The comparison of tissue sources including ‘‘periodontal ligament (PDL) versus pulp (P)’’ could provide critical information to select appropriate MSCs population in designing predictable regenerative periodontal therapies. The purpose of this study was to compare proliferation, stemness and mesenchymal stem cell specific and mineraliz...

Wheat (Triticum spp.) is a universally lucrative agricultural crop. An increase in wheat production has been shown through selection by the farmers which can increase the grain profitability. The determination of genetic associations among domestic cultivars is facilitated by molecular markers. Data on genetic polymorphism is valuable for the germp...

The utility of adult stem cells for bone regeneration may be an attractive alternative in the treatment of extensive injury, congenital malformations, or diseases causing large bone defects. To create an environment that is supportive of bone formation, signals from molecules such as the bone morphogenetic proteins (BMPs) are required to engineer f...

Combination of elemental and protein studies along with molecular data using microsatellite markers may lead to the better and realistic determination of relatedness between the varieties and their populations. In this study, the extent of diversity among five Turkish durum wheat cultivars and their populations has been assessed using seven microsa...