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Stimulatory Effect Of Methyl Jasmonate And Squalestatin On Phenolic Metabolism Through Induction Of Lox Activity In Cell Suspension Culture Of Yew, Zohreh Jalalpour, Leila Shabani, Ladan Afghani, Majid Sharifi-Tehrani, Sayed Asadollah Amini
Stimulatory Effect Of Methyl Jasmonate And Squalestatin On Phenolic Metabolism Through Induction Of Lox Activity In Cell Suspension Culture Of Yew, Zohreh Jalalpour, Leila Shabani, Ladan Afghani, Majid Sharifi-Tehrani, Sayed Asadollah Amini
Turkish Journal of Biology
Cell suspension cultures of Taxus baccata were treated with 2 elicitor compounds, methyl jasmonate (MeJA) and squalestatin (S), individually and in combination for 7 days to determine if they mediated the enhancement of biosynthesis of endogenous jasmonate through induction of lipoxygenase (LOX) activity. Total phenolic compounds, total flavonoids, total antioxidants, phenylalanine ammonia-lyase (PAL), polyphenol oxidase (PPO), and LOX activities in 5-month-old yew cell cultures were studied. Our results showed that MeJA and S could stimulate production of phenol derivatives in cell suspension cultures of T. baccata. In parallel to the induction of phenolic production in elicited cells, results showed that …
A Comparative Study On Plant Morphology, Gas Exchange Parameters, And Antioxidant Response Of Ocimum Basilicum L. And Origanum Vulgare L. Grown On Industrially Polluted Soil, Ira Stancheva, Maria Geneva, Yuliana Markovska, Nikolina Tzvetkova, Ivanka Mitova, Milka Todorova, Petar Petrov
A Comparative Study On Plant Morphology, Gas Exchange Parameters, And Antioxidant Response Of Ocimum Basilicum L. And Origanum Vulgare L. Grown On Industrially Polluted Soil, Ira Stancheva, Maria Geneva, Yuliana Markovska, Nikolina Tzvetkova, Ivanka Mitova, Milka Todorova, Petar Petrov
Turkish Journal of Biology
The effects of Cd, Pb, and Zn uptake on plant morphology, photosynthetic parameters, antioxidant potential, and essential oil yield and quality in Ocimum basilicum L. and Origanum vulgare L. plants were evaluated. The plants were grown as a pot experiment in soil heavily polluted with Cd and Pb and on unpolluted soil. Both plants accumulated Cd, mainly in the roots, while Pb occurred in the oregano shoots only. The leaf blade thickness of both plants increased when grown in polluted soil. Basil plants responded to the action of heavy metals with increases in gas exchange, stomatal conductivity, and transpiration, but …
Population Dynamical Behaviors Of Stochastic Logistic System With Jumps, Ruihua Wu, Ke Wang
Population Dynamical Behaviors Of Stochastic Logistic System With Jumps, Ruihua Wu, Ke Wang
Turkish Journal of Mathematics
This paper is concerned with a stochastic logistic model driven by martingales with jumps. In the model, generalized noise and jump noise are taken into account. This model is new and more feasible. The explicit global positive solution of the system is presented, and then sufficient conditions for extinction and persistence are established. The critical value of extinction, nonpersistence in the mean, and weak persistence in the mean are obtained. The path-wise and moment properties are also investigated. Finally, some simulation figures are introduced to illustrate the main results.
Defense Enzyme Activities And Biochemical Variations Of Pelargonium Zonale In Response To Nanosilver Application And Dark Storage, Mehrnaz Hatami, Mansour Ghorbanpour
Defense Enzyme Activities And Biochemical Variations Of Pelargonium Zonale In Response To Nanosilver Application And Dark Storage, Mehrnaz Hatami, Mansour Ghorbanpour
Turkish Journal of Biology
Pelargonium petal abscission and ethylene-induced leaf senescence are major problems that reduce the longevity of plants. This study was carried out to determine the poststorage influence of nanosilver (NS) particle (0, 20, 40, 60, and 80 mg L^{-1}) application during dark storage period on chlorophyll and carotenoid pigments, malondialdehyde (MDA) content, leaf protein and ethylene concentration, petal abscission, membrane stability index (MSI), and enzyme activity including ascorbate peroxidase (APX), peroxidase (POD), superoxide dismutase (SOD), catalase (CAT), and \BETA-glucosidase (\BETA-GLU) in two Pelargonium pot plants of the cultivars Flowerfairy and Foxi. Enhanced photosynthetic pigment contents were recorded in leaves of both …
Comprehensive Analysis Of Beta-Galactosidase Protein In Plants Based On Arabidopsis Thaliana, Samin Seddigh, Maryam Darabi
Comprehensive Analysis Of Beta-Galactosidase Protein In Plants Based On Arabidopsis Thaliana, Samin Seddigh, Maryam Darabi
Turkish Journal of Biology
Beta-galactosidases (\BETAgals) (EC 3.2.1.23) have been detected in a wide range of plant organs and tissues and are described by their ability to hydrolyze terminal nonreducing \BETA-D-galactosyl residues from \BETA-D-galactosides. In this study, 92 \BETAgal protein sequences from different plants, 7 animal samples including human and mouse, 3 samples from bacteria including Escherichia coli, and 4 samples from insects including Drosophila melanogaster were aligned. Sequences were analyzed by computational tools to predict the protein properties, such as molecular mass, isoelectric point, signal peptide, motifs, transmembrane domain, and secondary and spatial structure. Protein structure analysis revealed there is a high identity …
Isolation And Amplification Of Genomic Dna From Barks Of Cinnamomum Spp., Valya Parambil Swetha, Viswanath Alambath Parvathy, Thotten Elampillay Sheeja, Bhaskaran Sasikumar
Isolation And Amplification Of Genomic Dna From Barks Of Cinnamomum Spp., Valya Parambil Swetha, Viswanath Alambath Parvathy, Thotten Elampillay Sheeja, Bhaskaran Sasikumar
Turkish Journal of Biology
Cinnamomum verum Presl (syn. C. zeylanicum Blume), the cinnamon of commerce, is an important aromatic tree spice having wide applications in perfumery, flavoring, beverages, and medicine. Adulteration of cinnamon with the cheaper and inferior barks of C. aromaticum and C. malabatrum is a problem. Morphological distinction of the barks is difficult; in the case of powdered barks, the situation is even worse. DNA-based molecular tools are preferred under these circumstances. Isolation of high quality DNA is a prerequisite for molecular studies, but barks contain polysaccharides, polyphenols, and secondary metabolites that hamper DNA isolation. Since attempts at isolating DNA using existing …
Improvement In Tolerance To Salt Stress During Tomato Cultivation, Mustafa Demi̇rkaya
Improvement In Tolerance To Salt Stress During Tomato Cultivation, Mustafa Demi̇rkaya
Turkish Journal of Biology
This study was conducted to evaluate the physiological impact of seed priming on improving the salt tolerance of tomato cultivars H-2274 and Rio Grande. Tomato seeds were primed with 5 M NaCl solution at 20 °C for 3 days in a dark environment. The seeds of the control treatments were handled in a similar way, using tap water instead of NaCl solution. After the priming procedure, seeds were washed and sown in standard germination trays. From each treatment group, 21 homogeneous seedlings were transplanted into 10-L pots full of turf for subsequent salinity experiments. In order to avoid osmotic shock, …
Soil And Foliar Application Of Potassium Enhances Fruit Yield And Quality Of Tomato Under Salinity, Muhammad Amjad, Javaid Akhtar, Muhammad Anwar Ul Haq, Shakeel Imran, Sven-Erik Jacobsen
Soil And Foliar Application Of Potassium Enhances Fruit Yield And Quality Of Tomato Under Salinity, Muhammad Amjad, Javaid Akhtar, Muhammad Anwar Ul Haq, Shakeel Imran, Sven-Erik Jacobsen
Turkish Journal of Biology
Potassium plays a key role in the survival of plants under saline conditions in mitigating the adverse effects of sodium. The effect of application of potassium to soil (0, 3.3, and 6.6 mmol/kg) and leaves (4.5 and 9 mM) on tomato yield and quality under 3 salinity treatments (0, 7.5, and 15 dS m^{-1}), using 2 salt-tolerant (Indent-1 and Nagina) and 2 salt-sensitive (Peto-86 and Red Ball) genotypes, was studied in a pot experiment. Salinity decreased growth and yield of all genotypes; however, salt-tolerant genotypes maintained better growth and produced higher yield than the salt-sensitive genotypes across all salinity levels. …
Purification And Characterization Of An Antibacterial Substance Produced By Pest-Originated Serratia Marcescens Mm3, Serpi̇l Uğraş, Kazim Sezen, Hati̇ce Kati, Zi̇hni̇ Demi̇rbağ
Purification And Characterization Of An Antibacterial Substance Produced By Pest-Originated Serratia Marcescens Mm3, Serpi̇l Uğraş, Kazim Sezen, Hati̇ce Kati, Zi̇hni̇ Demi̇rbağ
Turkish Journal of Biology
The aim of this investigation was to determine, purify, and characterize an antibacterial substance produced by Serratia marcescens Mm3 (Sm-Mm3) isolated from a common pest of hazelnut in Turkey, Melolontha melolontha, which is also a significant pest all over the world. A highly active antibacterial substance produced by Sm-Mm3 was purified by ammonium sulfate precipitation and high-performance liquid chromatography, respectively, and identified by spectrometric analysis (TOF-MS). Finally, we showed that this molecule is heat-stable, stable in the pH range of 5-9, and insensitive to organic solvents and proteinase K. The molecular mass was determined as 479 Da. Plasmid elimination demonstrated …
Serum Leptin Profiles, Food Intake, And Body Weight In Melatonin-Implanted Syrian Hamsters (Mesocricetus Auratus) Exposed To Long And Short Photoperiods, Bülent Gündüz
Turkish Journal of Biology
We have shown that circadian changes in leptin concentrations are inversely linked to circulating melatonin levels in the Syrian hamster. The present study aimed to assess the effects of subcutaneous melatonin implants under different photoperiodic conditions: did the implants affect serum leptin levels, body weight, food consumption, and/or testicular weight? Male hamsters were exposed to long and short photoperiods for 10 weeks and received subcutaneous melatonin implants (1 mg in 24 mg beeswax) every 2 weeks. Blood samples were collected every week at midday (1200 hours) or midnight (0000 hours) to assess leptin and melatonin concentrations. Testes were measured to …
Transgenic Nicotiana Tabacum Cultivar Samsun Plants Carrying The Wild Sugar Beet Hs1pro1 Gene Have Resistance To Root-Knot Nematodes, Çağla Sönmez, İbrahi̇m Hali̇l Elekci̇oğlu, Ayşe Meral Yücel, Hüseyi̇n Avni̇ Öktem
Transgenic Nicotiana Tabacum Cultivar Samsun Plants Carrying The Wild Sugar Beet Hs1pro1 Gene Have Resistance To Root-Knot Nematodes, Çağla Sönmez, İbrahi̇m Hali̇l Elekci̇oğlu, Ayşe Meral Yücel, Hüseyi̇n Avni̇ Öktem
Turkish Journal of Biology
Nematodes are the principal animal parasites of plants, causing annual crop losses of more than US$100 billion worldwide. Conventional control measures against nematode infection include toxic nematicide application to soil, crop rotation practices, and classical breeding approaches. However, due to the limitations of each technique, biotechnology presents itself as an effective alternative in nematode control. To date, several resistance genes against nematodes have been cloned. One such gene, Hs1^{pro1}, cloned from wild sugar beet, Beta procumbens, shows resistance to the cyst nematode Heterodera schachtii. Recent studies showed that Hs1^{pro1} has a broad target pathogen range. In this study, we transformed …
The Modeled Structures Of Deg5 And Deg8 Proteases In Arabidopsis Thaliana, Liangbing Chen, Qingzhi Li, Lili Li
The Modeled Structures Of Deg5 And Deg8 Proteases In Arabidopsis Thaliana, Liangbing Chen, Qingzhi Li, Lili Li
Turkish Journal of Biology
Deg5 and Deg8 are chloroplastic proteases found in Arabidopsis thaliana. These proteases participate in the repair of photosystem II. However, little information exists on the structures of Deg5 and Deg8. Here, the Deg5 and Deg8 structures were modeled using the SWISS-MODEL tool with Deg1 as the structural template. Deg5 was composed of only 1 domain, a protease domain. The catalytic triad of Deg5, which comprises His147, Asp188, and Ser266, was located in the cleft between 2 \beta-barrels. Deg8 was composed of a protease domain at the N-terminal and a PDZ domain at the C-terminal. The catalytic triad of Deg8, which …
Identification And Expression Profiling Of Clcuv-Responsive Transcripts In Upland Cotton (Gossypium Hirsutum L.), Beenish Aftab, Muhammad Naveed Shahid, Sania Riaz, Adil Jamal, Bahaeldeen Babiker Mohamed, Muzna Zahur, Mahwish Aftab, Bushra Rashid, Tayyab Husnain
Identification And Expression Profiling Of Clcuv-Responsive Transcripts In Upland Cotton (Gossypium Hirsutum L.), Beenish Aftab, Muhammad Naveed Shahid, Sania Riaz, Adil Jamal, Bahaeldeen Babiker Mohamed, Muzna Zahur, Mahwish Aftab, Bushra Rashid, Tayyab Husnain
Turkish Journal of Biology
CLCuV is one of the most serious causes of cotton damage for which no adequate remedy is available. The possible solution to this problem may be the transfer of resistant genes into the background of agronomical CLCuV-tolerant varieties. In response to viral infection, several plants may show qualitative and quantitative variations in gene expression. To study gene expression between diseased and tolerant plants, DDRT-PCR was performed. Upregulated gene expression was observed among cDNA transcripts screened through random primers. Seven transcripts have significant homology with known proteins (ribosomal protein, photosystem protein unit, membrane protein, and a predicted hypothetical protein). Quantitative real-time …
Effect Of Water Deficiency On Seed Quality And Physiological Traits Of Different Safflower Genotypes, Hajar Amini, Ahmad Arzani, Mostafa Karami
Effect Of Water Deficiency On Seed Quality And Physiological Traits Of Different Safflower Genotypes, Hajar Amini, Ahmad Arzani, Mostafa Karami
Turkish Journal of Biology
Safflower is one of the most adapted oilseed crops to the drought-prone arid lands. This experiment was carried out to evaluate the effects of water deficiency on some physiological traits such as proline content, soluble carbohydrate content, relative water content (RWC), and seed quality using 64 safflower genotypes grown under normal and water-deficient field conditions. Plants were grown under normal irrigation until the branching growth stage, when water deficiency was applied to the plants. Results of combined analysis of variance showed the significant effects of genotype, water deficiency, and their interactions on the tested traits. RWC, seed oil content, and …
A Cdna-Aflp Protocol With Reciprocally Arranged 2-Enzyme Sequential Digestion And Silver Staining Detection, Mehmet Ali̇ Südüpak
A Cdna-Aflp Protocol With Reciprocally Arranged 2-Enzyme Sequential Digestion And Silver Staining Detection, Mehmet Ali̇ Südüpak
Turkish Journal of Biology
This study provides a modified protocol to the standard cDNA-amplified fragment length polymorphism (AFLP) procedure that has been used to detect differentially expressed transcripts in various systems. Modifications aimed to improve the overall coverage of the technique and the isolation of single fragments from each of the cDNA species. The protocol utilizes oligo-d(T) coupled magnetic beads to isolate and synthesize, and 2-enzyme sequential digestions of ds-cDNA molecules with flip-flop strategy on the beads to release transcript tags representing individual mRNA type and quantity. The protocol has been applied to detect Puccinia sorghi-induced expressional changes in maize leaf material sampled at …
Photocatalytic Antimicrobial Effect Of Tio_2 Anatase Thin-Film-Coated Orthodontic Arch Wires On 3 Oral Pathogens, Fi̇gen Özyildiz, Ataç Uzel, Ayşe Serpi̇l Hazar, Mustafa Güden, Sultan Ölmez, Işil Aras, İsmai̇l Karaboz
Photocatalytic Antimicrobial Effect Of Tio_2 Anatase Thin-Film-Coated Orthodontic Arch Wires On 3 Oral Pathogens, Fi̇gen Özyildiz, Ataç Uzel, Ayşe Serpi̇l Hazar, Mustafa Güden, Sultan Ölmez, Işil Aras, İsmai̇l Karaboz
Turkish Journal of Biology
The aim of this study was to introduce antimicrobial activity to stainless steel orthodontic arch wires by coating them with TiO_2 in anatase form. Stainless steel (0.016 × 0.022 inch), D-rect (0.016 × 0.022 inch), and multistranded hammered retainer wires (0.014 × 0.018 inch) were coated with TiO_2 anatase by the sol-gel dip coating method. The wires were assessed for their photocatalytic antimicrobial activity against Streptococcus mutans, Candida albicans, and Enterococcus faecalis. After illumination under UVA (315-400 nm) at 1.0 mW/cm^2 for 1 h, the reduction efficiencies of the anatase-coated arch wires were calculated by using colony-forming unit counts. All …
Production Of Biosurfactant By Pseudomonas Spp. Isolated From Industrial Waste In Turkey, Tayfun Kaya, Belma Aslim, Ergi̇n Kari̇ptaş
Production Of Biosurfactant By Pseudomonas Spp. Isolated From Industrial Waste In Turkey, Tayfun Kaya, Belma Aslim, Ergi̇n Kari̇ptaş
Turkish Journal of Biology
In this study, 26 Pseudomonas spp. were isolated from a stream polluted by factory waste and from petroleum-contaminated soil. The surface tension (ST) of the cultures was used as a criterion for the primary isolation of biosurfactant-producing bacteria. Biosurfactant production was quantified by ST reduction, critical micelle concentration (CMC), emulsification capacity (EC), and cell surface hydrophobicity (CSH). Two of the isolates, P. aeruginosa 78 and 99, produced rhamnolipid biosurfactant. The strains started rhamnolipid production in the logarithmic phase. They decreased the ST of the culture from 73 dyne/cm^2 to 29 and 33 dyne/cm^2, and the CMC of produced rhamnolipids were …
Activity Of Antioxidant Enzymes During Induction Of Morphogenesis Of Fritillaria Meleagris In Bulb Scale Culture, Marija Petric, Sladana Jevremovic, Milana Trifunovic, Vojin Tadic, Snezana Milosevic, Angelina Subotic
Activity Of Antioxidant Enzymes During Induction Of Morphogenesis Of Fritillaria Meleagris In Bulb Scale Culture, Marija Petric, Sladana Jevremovic, Milana Trifunovic, Vojin Tadic, Snezana Milosevic, Angelina Subotic
Turkish Journal of Biology
We investigated the activity of 3 antioxidant enzymes: superoxide dismutase, catalase, and peroxidase during morphogenesis of Fritillaria meleagris L. in vitro in bulb scale culture. Bulb cultures of F. meleagris were established on nutrition medium supplemented with 1.0 mg L^{-1} thidiazuron. Bulbs were grown at standard (24 °C) and low temperatures (4 °C) or at an increased sucrose concentration (4.5%) during the first 6 weeks (pretreatments). All bulbs were then grown for 4 weeks at standard temperature on 2, 4-dichlorophenoxyacetic acid and kinetin or thidiazuron (at concentrations of 1 mg L^{-1} each) in order to examine the influence of the …
Expression And Purification Of Porcine Akirin2 In Escherichia Coli, Xiaoling Chen, Zhiqing Huang, Bo Zhou, Huan Wang, Gang Jia, Jiayun Qiao
Expression And Purification Of Porcine Akirin2 In Escherichia Coli, Xiaoling Chen, Zhiqing Huang, Bo Zhou, Huan Wang, Gang Jia, Jiayun Qiao
Turkish Journal of Biology
Akirin2 is a recently discovered gene related to immune responses that also plays an important role in skeletal myogenesis. In this study, in order to scale up the production of recombinant porcine Akirin2 (pAkirin2), we report the expression and purification of a His-tagged version of recombinant pAkirin2 in Escherichia coli. The pAkirin2 is a polypeptide of 203 amino acids containing 42 rare codons. The recombinant pAkirin2 was expressed as an N-terminal fusion protein with His6 tag in E. coli Rosetta (DE3) host strain. The protein was purified by Ni-IDA affinity chromatography, yielding over 90% highly purified recombinant pAkirin2, with a …
Calcitriol Modulates The Effects Of The Supernatants Of Bone-Marrow-Derived Mesenchymal Stem Cells On Neutrophil Functions, Hadi Esmaili Gouvarchin Galeh, Norouz Delirezh, Seyyed Meysam Abtahi Froushani, Nahideh Afzale Ahangaran
Calcitriol Modulates The Effects Of The Supernatants Of Bone-Marrow-Derived Mesenchymal Stem Cells On Neutrophil Functions, Hadi Esmaili Gouvarchin Galeh, Norouz Delirezh, Seyyed Meysam Abtahi Froushani, Nahideh Afzale Ahangaran
Turkish Journal of Biology
Mesenchymal stem cells (MSCs) in bone marrow form a niche that has inevitable interactions with neutrophils. Moreover, previous documents have shown that calcitriol has an important role in regulating the cell growth of MSCs. This study set out to investigate the effects of calcitriol on the interaction between bone-marrow-derived MSCs and neutrophils. MSCs were isolated from the bone marrow of rats and pulsed with different concentrations of calcitriol (50, 100, and 200 nM) for different periods of time (24, 48, and 72 h). As the next step, the supernatants of MSCs cocultured with neutrophils for 4 h and neutrophil functions …
Evaluation Of Genotoxicity And Cytotoxicity Induced By Different Molecular Weights Of Polyethylenimine/Dna Nanoparticles, Leila Gholami, Hamid Reza Sadeghnia, Majid Darroudi, Reza Kazemi Oskuee
Evaluation Of Genotoxicity And Cytotoxicity Induced By Different Molecular Weights Of Polyethylenimine/Dna Nanoparticles, Leila Gholami, Hamid Reza Sadeghnia, Majid Darroudi, Reza Kazemi Oskuee
Turkish Journal of Biology
Nonviral gene delivery systems are considered to be a safe alternative to the viral system used in gene therapy. Although polyethylenimine (PEI) is among the most promising gene-carrier candidates for efficient nonviral gene delivery, safety concerns regarding its toxicity remain challenging. The aim of this study was to evaluate the less considered aspects of toxicity including genotoxicity effects of branched PEI with different molecular weights (1800 Da, 25 kDa, 750 kDa). Neuro2A mammalian cells were cultured in DMEM with 10% FBS and exposed to PEI/DNA complexes at different polymer/DNA ratios (known as the C/P ratio). To evaluate metabolic activities and …
Y Chromosome Analysis Of Native Turkish Cattle Breeds By Microsatellite Markers, Yusuf Özşensoy, Ercan Kurar, Zafer Bulut, Mehmet Ni̇zamlioğlu
Y Chromosome Analysis Of Native Turkish Cattle Breeds By Microsatellite Markers, Yusuf Özşensoy, Ercan Kurar, Zafer Bulut, Mehmet Ni̇zamlioğlu
Turkish Journal of Biology
The aim of this study was to determine phylogenetic relationships of 6 native cattle breeds of Turkey using 7 Y chromosome-specific microsatellite DNA markers. DNA samples were isolated from Anatolian Black, Anatolian Grey, South Anatolian Red, Native Southern Anatolian Yellow, East Anatolian Red, and Zavot cattle using a standard phenol/chloroform method. PCR products were separated by capillary electrophoresis and marker genotypes were determined. A total of 41 different alleles were observed. The mean allele number was 5.86 and mean F_{IS} value was 0.427 for all populations. The INRA189 locus was monomorphic for all populations except for South Anatolian Red. UMN0307 …
Hepatoprotective Effects Of Malva Sylvestris L. Against Paracetamol-Induced Hepatotoxicity, Liaqat Hussain, Javaria Ikram, Kanwal Rehman, Muhammad Tariq, Muhammad Ibrahim, Muhammad Sajid Hamid Akash
Hepatoprotective Effects Of Malva Sylvestris L. Against Paracetamol-Induced Hepatotoxicity, Liaqat Hussain, Javaria Ikram, Kanwal Rehman, Muhammad Tariq, Muhammad Ibrahim, Muhammad Sajid Hamid Akash
Turkish Journal of Biology
Malva sylvestris is traditionally used for the treatment of liver diseases, but sufficient pharmacological-based scientific literature is not available online to authenticate its use in liver ailments. We aimed to assess the hepatoprotective effects of Malva sylvestris against paracetamol-induced hepatotoxicity in mice. The extract was concentrated using a rotary evaporator and then desired concentrations of extracts were made by dissolving in normal saline. The standard drug silymarin (100 mg/kg) was used as a reference drug to compare the therapeutic effects of Malva sylvestris. Two different doses of Malva sylvestris (300 and 600 mg/kg) were administered intraperitoneally for 7 consecutive days …
Development Of Durable Antimicrobial Surfaces Containing Silver- And Zinc-Ion-Exchanged Zeolites, Zeynep İyi̇gündoğdu, Selami̇ Demi̇rci̇, Nurcan Baç, Fi̇kretti̇n Şahi̇n
Development Of Durable Antimicrobial Surfaces Containing Silver- And Zinc-Ion-Exchanged Zeolites, Zeynep İyi̇gündoğdu, Selami̇ Demi̇rci̇, Nurcan Baç, Fi̇kretti̇n Şahi̇n
Turkish Journal of Biology
The present work involves development of stable antimicrobial materials containing silver- and zinc-ion-exchanged zeolites. Faujasite X and Linde type A zeolites were synthesized, and following ion exchange with Ag^+ and Zn^{++} ions they were found to exhibit antimicrobial effects against bacteria (E. coli, P. aeruginosa, and S. aureus), yeast (C. albicans and C. glabrata), and fungi (A. niger and P. expansum). Zeolites-X and -A containing silver and zinc ions were then mixed with various coating materials, including paints and polypropylene, to develop antimicrobial composites. The long-term antimicrobial characteristics of zeolite-containing composite materials were investigated by inoculating selected microorganisms onto the …
Efficiency Of Using Rapd And Issr Markers In Evaluation Of Genetic Diversity In Sugar Beet, Vusala Izzatullayeva, Zeynal Akparov, Sevda Babayeva, Javid Ojaghi, Mehraj Abbasov
Efficiency Of Using Rapd And Issr Markers In Evaluation Of Genetic Diversity In Sugar Beet, Vusala Izzatullayeva, Zeynal Akparov, Sevda Babayeva, Javid Ojaghi, Mehraj Abbasov
Turkish Journal of Biology
Random amplified polymorphic DNA (RAPD) and intersimple sequence repeat (ISSR) markers were used for comparative analysis of genetic variation in 42 sugar beet accessions. A total of 24 polymorphic primers (12 RAPD and 12 ISSR) were used. The RAPD primers generated 204 amplification products and the ISSR primers produced 178 fragments, 190 and 173 of which were polymorphic, respectively. The average polymorphism level with the ISSR markers (97.2%) was higher than that with the RAPD primers (93%). High genetic diversity indices for both marker types (0.86 for RAPD and 0.91 for ISSR) suggested that these methods were equally effective in …
Peripheral Administration Of Kisspeptin Antagonist Does Not Alter Basal Plasma Testosterone But Decreases Plasma Adiponectin Levels In Adult Male Rhesus Macaques, Tanzeel Huma, Farhad Ulla, Farnaz Hanif, Joshua D. Rizak, Muhammad Shahab
Peripheral Administration Of Kisspeptin Antagonist Does Not Alter Basal Plasma Testosterone But Decreases Plasma Adiponectin Levels In Adult Male Rhesus Macaques, Tanzeel Huma, Farhad Ulla, Farnaz Hanif, Joshua D. Rizak, Muhammad Shahab
Turkish Journal of Biology
Kisspeptin signaling is a potent regulator of the reproductive axis and an elicitor of gonadotropin-releasing hormone secretion. The present study assessed the effect of the peripheral administration of a kisspeptin antagonist (P234) on testosterone secretion in the adult male rhesus monkey. Five monkeys were administered with either P234 (38.8 µg/kg body weight) or a vehicle (0.9% saline). Plasma testosterone and adiponectin levels, as a positive control, were then measured using specific ELISA assays from blood samples collected sequentially at 15-min intervals from 60 min prior to until 360 min after the P234/vehicle injection. In 3 monkeys, the experiment was repeated …