Yazar "Turumtay, Halbay" için listeleme
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Anthocyanins profiling of Thymus praecox opiz subsp caucasicus var. caucasicus
Turumtay, Emine Akyüz; Turumtay, Halbay; Demir, Adem; Selvi, Emine Kılıçkaya; Yazıcı, Emre; Sandallı, Cemal; Yazıcı, Zihni Açar (Elsevier Science Bv, 2015)Thymus praecox Opiz subsp. caucasicus var. caucasicus (Anzer tea) was studied to determine its anthocyanin content; anthocyanin stability in response to acidic hydrolysis and temperature changes. in this study, anthocyanin ... -
Beta-lactamase genes in carbapenem resistance Acinetobacter baumannii isolates from a Turkish university hospital
Coşkun, Umut Safiye Say; Çalışkan, Emel; Çiçek, Ayşegül Çopur; Turumtay, Halbay; Sandallı, Cemal (J Infection Developing Countries, 2019)Introduction: the spread of Acinetobacter baumannii, resistant to most of the available antimicrobial agents, is a serious health problem. the high rate of carbapenem resistance among Acinetobacter baumannii isolates is ... -
Characteristics in the whole-genome sequence of Klebsiella pneumoniae ST147 from Turkey
Turumtay, Halbay; Allam, Mushal; Sandallı, Aytül; Turumtay, Emine Akyüz; Genç, Hacer; Sandallı, Cemal (Akademia Kiado Zrt., 2022)The study aimed to analyze antibiotic resistance determinants in a carbapenem-resistant Klebsiella pneumoniae by whole-genome sequencing (WGS). K. pneumoniae was isolated from a urine sample and it was characterized by 16S ... -
Correlation between phenolic compounds and antioxidant activity of Anzer tea (Thymus praecox Opiz subsp caucasicus var. caucasicus)
Turumtay, Emine Akyaz; İslamoğlu, Fatih; Çavuş, Derya; Şahin, Hüseyin; Turumtay, Halbay; Vanholme, Bartel (Elsevier Science Bv, 2014)Phenolic compounds of Thymus praecox Opiz subsp. caucasicus var. caucasicus were analyzed by high performance liquid chromatography equipped with an ultraviolet detector (HPLC-UV). Quercetin (co-eluting with luteolin) and ... -
Elucidation of Bioactive compounds in flower extracts of Camellia sinensis by HPLC-DAD-MS/MS and their inhibitory effects on replicative bacterial DNA polymerases
Turumtay, Halbay; Tombuloğlu, Hüseyin; Er, Havva; Sandallı, Cemal; Turumtay, Emine Akyüz (Elsevier, 2022)Camellia sinensis L. (C. sinensis) is an economically valuable crop whose leaves are used to produce tea. Tea flowers extracts (TFE) have been tested for their DNA polymerase inhibitory effect experimentally and in silico. ... -
Engineered reduction of S-adenosylmethionine alters lignin in sorghum
Tian, Yang; Gao, Yu; Turumtay, Halbay; Turumtay, Emine Akyüz; Chai, Yen Ning; Choudhary, Hemant; Park, Joon-Hyun; Wu, Chuan-Yin; De Ben, Christopher M.; Dalton, Jutta; Louie, Katherine B.; Harwood, Thomas; Chin, Dylan; Vuu, Khanh; Bowen, Benjamin P; Shih, Patrick M.; Baidoo, Edward E. K.; Northen, Trent R.; Simmons, Blake A.; Hutmacher, Robert; Atim, Jackie; Putnam, Daniel H.; Scown, Corinne D.; Mortimer, Jenny C.; Scheller, Henrik V.; Eudes, Aymerick (BMC, 2024)Background Lignin is an aromatic polymer deposited in secondary cell walls of higher plants to provide strength, rigidity, and hydrophobicity to vascular tissues. Due to its interconnections with cell wall polysaccharides, ... -
Expression in poplar of dehydroshikimate dehydratase induces transcriptional and metabolic changes in the phenylpropanoid pathway
Turumtay, Emine Akyüz; Turumtay, Halbay; Tian, Yang; Lin, Chien-Yuan; Chai, Yen Ning; Louie, Katherine B.; Chen, Yan; Lipzen, Anna; Harwood, Thomas; Kumar, Kavitha Satish; Bowen, Benjamin P.; Wang, Qian; Mansfield, Shawn D.; Blow, Matthew J.; Petzold, Christopher J.; Northen, Trent R.; Mortimer, Jenny C.; Scheller, Henrik V.; Eudes, Aymerick (Oxford Academic, 2024)Modification of lignin in feedstocks via genetic engineering aims to reduce biomass recalcitrance to facilitate efficient conversion processes. These improvements can be achieved by expressing exogenous enzymes that interfere ... -
Fine-tuning the element dose in nanoparticle synthesis is the critical factor determining nanoparticle's impact on plant growth
Alghofaili, Fatimah; Tombuloğlu, Hüseyin; Almessiere, Munirah A.; Akhtar, Sultan; Tombuloğlu, Güzin; Turumtay, Emine Akyüz; Turumtay, Halbay; Baykal, Abdulhadi (Elsevier, 2024)This study elucidates the impact of element dose during nanoparticle (NPs) synthesis on plant growth indices. Novel NPs containing two essential micro-nutrients, zinc (Zn) and manganese (Mn), were co-doped on cerium oxide ... -
Gram (-) microorganisms DNA polymerase inhibition, antibacterial and chemical properties of fruit and leaf extracts of Sorbus acuparia and Sorbus caucasica var. yaltirikii
Turumtay, Halbay; Midilli, Ahmet; Turumtay, Emine Akyüz; Demir, Adem; Selvi, Emine Kılıçkaya; Budak, Emine Esra; Er, Havva; Kocaimamoğlu, Fatih; Baykal, Hüseyin; Beldüz, Ali Osman; Atamov, Vagif; Sandallı, Cemal (Wiley, 2017)Investigation of novel plant-based agents might provide alternative antibiotics and thus fight antibiotic resistance. Here, we measured the ability of fruit and leaf extracts of Sorbus aucuparia (Sauc) and endemic Sorbus ... -
High-throughput screening of inhibitory effect of medicinal plants on bacterial DNA polymerases
Sandallı, Cemal; Turumtay, Emine Akyüz; Turumtay, Halbay (Elsevier Science Bv, 2016)Antibiotic resistance is a serious and increasing problem in medicine. Particularly, pathogens are one of the most important public health issues at the 21st Century. -
Impact of sonication time in nanoparticle synthesis on the nutrition and growth of wheat (Triticum aestivum L.) plant
Tonbuloğlu, Güzin; Slimani, Yassine; Tonbuloğlu, Hüseyin; Alsaeed, Moneerah; Turumtay, Emine Akyüz; Sözeri, Hüseyin; Akhtar, Sultan; Almessiere, Munirah A.; Turumtay, Halbay; Baykal, Abdulhadi (Elsevier, 2024)Nanotechnology in agricultural applications is promising in improving plant nutrition and yield, pest control, and gene delivery. However, the method to synthesize nanoparticles or nanocomposites (NCs) can play a crucial ... -
M-MLV reverse transcriptase was strongly inhibited by essential oil extract of paeonia daurica subsp. macrophylla
Demir, Adem; Turumtay, Halbay; Sandallı, Aytül; Baykal, Hüseyin; Atamov, Vagif; Sandallı, Cemal; Turumtay, Emine Akyüz (Parlar Scientific Publications, 2021)Paconia species arc known for their rich chemical content and their compounds exhibit different medicinal properties. In this study, we firtly investigated the essential oil (EO) content of the root, scape, fruit and fruit ... -
Metabolite profiling of Althaea officinalis by HPLC-DAD-MS with in silico and in vitro analysis for therapeutic potential
Turumtay, Emine Akyüz; Demir, Adem; Çetiz, Mehmet Veysi; Uudağ, Emre Berk; Baltaş, Nimet; Yaman, Burak; Yaman, Mehmet; Emirik, Mustafa; Turumtay, Halbay (Springer, 2023)Althaea officinalis L. has been widely used traditionally as an herbal tea and for the treatment of cough, mucous membrane irritation, colds, and inflammation. Parts of the plant extracts were analyzed using HPLC-DAD and ... -
Paeoniflorigenone purified from Paeonia daurica roots potently inhibits viral and bacterial DNA polymerases: investigation by experimental validation and docking simulation
Demir, Adem; Turumtay, Halbay; Emirik, Mustafa; SandalIı, Cemal; Kanbolat, Şeyda; Özgen, Ufuk; Turumtay, Emine Akyüz (Springer Birkhauser, 2019)The methanolic extracts from fruit, leaf, stem and roots of Paeonia daurica subsp. macrophylla (P. daurica) were investigated for inhibitory effect on replicative bacterial (PolC and DnaE2) and viral (MMLV-RT from Moloney ... -
Phylogenetic analysis based on the ITS, matK and rbcL DNA barcodes and comparison of chemical contents of twelve Paeonia taxa in Turkiye
Çetiz, Mehmet Veysi; Turumtay, Emine Akyüz; Burnaz, Nesibe Arslan; Özhatay, Fatma Neriman; Kaya, Erdal; Memon, Abdulrezzak; Turumtay, Halbay (Springer, 2023)BackgroudTwelve taxa of herbaceous Paeonia species were recorded in Turkiye. All definitions were performed morphologically and/or anatomically and there is no study based on DNA barcode sequences. Three barcode regions ... -
Plant metabolomics and strategies
Turumtay, Halbay; Sandallı, Cemal; Turumtay, Emine Akyüz (Springer International Publishing, 2016)Plant metabolomics is the study of metabolic pathways and processes to understand how plants grow and carry out functions. Over the past years, there has been a switch to a more holistic view of metabolomes. Instead of ... -
Three seasonal comprehensive evaluation process of Digitalis trojana Ivan's phenolics
Turumtay, Halbay; Turumtay, Emine Akyüz; Selvi, Emine Kılıçkaya; Şahin, Hüseyin; Sandallı, Cemal; Yazıcı, Zihni Açar (Elsevier Science Bv, 2016)Digitalis trojana Ivan, a member of Digitalis genus, has highly bioactive properties due to, efficient phenolics. These compounds have shown to convert into each other in a limited time. Seasonal fluctuations of this plant ...
