Yazar "RTEÜ, Fen - Edebiyat Fakültesi, Biyoloji Bölümü" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
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Antimicrobial activity and analyses of six Geranium L. species with headspace SPME and hydrodistillation
Renda, Gülin; Çelik, Gonca; Korkmaz, Büşra; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (Taylor & Francis Ltd, 2016)A solid phase microextraction (SPME) method with gas chromatography-mass spectrometry (GC-MS) was used for analyses of the volatile compounds of six Geranium species; G. asphodeloides, G. psilostemon, G. purpureum, G. ... -
Antimicrobial activity and chemical composition of the essential oils of mosses (Hylocomium splendens (Hedw.) Schimp. and Leucodon sciuroides (Hedw.) Schwägr.) growing in Turkey
Cansu, Tayyibe Beyza; Yaylı, Büşra; Özdemir, Turan; Batan, Nevzat; Karaoǧlu, Şengül Alpay; Yaylı, Nurettin (TÜBİTAK, 2013)In the present work, the volatiles of mosses [Hylocomium splendens (Hedw.) Schimp. (Hylocomiaceae) and Leucodon sciuroides (Hedw.) Schwägr. (Leucodontaceae)] have been investigated by GC-FID and GC/MS. Fifty-eight compounds ... -
Antimicrobial activity and composition of rindera lanata (LAM.) bunge var. canescens (A.D.C.) Kosn. essential oil obtained by hydrodistillation and microwave assisted sistillation
The composition of essential oils of Rindera lanata (LAM). Bunge var. canescens (A.D.C) Kosn. obtained by hydro-distillation (HD) and microwave assisted distillation (MW) by GC, GC/MS. Thirty three and thirty nine compounds ... -
Antimicrobial activity and essential oil compositions of two Ranunculus species from Turkey: R. constantinopolitanus and R. arvensis
Terzioğlu, S.; Yaşar, Ahmet; Yaylı, Nuran; Yılmaz, Nagihan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2008)The isolated essential oils of Ranunculus constantinopolitanus and Ranunculus arvensis were tested for antimicrobial activity against the bacteria E. coli, K. pneumoniae, P. aeruginosa, E. faecalis, S. aureus, B. cereus ... -
Antimicrobial activity and volatile constituents of omphalodes cappadocica (Willd.) DC.
İskender, Nagihan Yılmaz; Kahriman, Nuran; Yücel, Murat; Karaoğlu, Şengül Alpay; Terzioğlu, Salih; Yaylı, Nurettin (2011)The composition of the essential oil isolated by hydrodistillation from Omphalodes cappadocica (Willd.) DC. (Boraginaceae) collected from 'Of', a town in Trabzon, was determined by GC-FID and GC-MS. Sixty components were ... -
Antimicrobial activity and volatile constituents of the flower, leaf, and stem of Paeonia daurica grown in Turkey
Tosun, Gonca; Kahriman, Nuran; Güleçalbay, Canan; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (TÜBİTAK, 2011)The volatile constituents of the essential oils from the flower, leaf, and stem of Paeonia daurica Andrews were analyzed by GC and GC-MS. A total of 74 compounds were identified, constituting over 95.0%, 80.8%, and 98.2% ... -
Antimicrobial activity of Bacillus strains isolated from spring water and a novel bacteriocin: RS108
The aim of this research was to investigate the bacteriocins produced by Bacillus strains isolated from the spring water of Rize, in Turkey. Bacillus cereus RS108 was identified by both conventional and molecular methods, ... -
Antimicrobial and antiurease activities of newly synthesized morpholine derivatives containing an azole nucleus
Bektaş, Hakan; Ceylan, Şule; Demirbaş, Neslihan; Alpay-Karaoğlu, Şengül; Sökmen, Bahar Bilgin (Birkhauser Boston, 2013)2-[6-(Morpholin-4-yl)pyridin-3-ylamino]acetohydrazide (4) was obtained starting from 6-morpholin-4-ylpyridin-3-amine (2) via the formation of ester (3) and then converted to the corresponding Schiff bases (5, 6) with the ... -
Antimicrobial and lipase inhibition of essential oil and solvent extracts of Cota tinctoria var. tinctoria and characterization of the essential oil
Erik, İshak; Bozdal, Gözde; Şener, Sıla Özlem; Korkmaz, Büşra; Karaoğlu, Şengül Alpay; Terzioğlu, Salih; Yaylı, Nurettin (TUBITAK, 2022)The essential oil (EO) of Cota tinctoria var. tinctoria was analyzed using GC-FID / MS. A total of 51 compounds were determined from this taxon, accounting for 99.79% in hydrodistillation. Monoterpenes were the primary ... -
Antimicrobial, cytotoxic, antiviral wffects, and apectroscopic characterization of metabolites produced by fusarium oxysporum YP9B
Kılıç, Gözde; Tosun, Gonca; Bozdeveci, Arif; Erik, İshak; Öztürk, Elif; Reis, Rengin; Sipahi, Hande; Cora, Merve; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (ACG Publications, 2021)The goal of the work is to determine the bioactive pharmaceutical metabolites produced by the Fusarium oxysporum YP9B isolate. Ten new natural compounds were isolated from the ethyl acetate extract of the F. oxysporum YP9B ... -
Antioxidant, antigenotoxic, antimicrobial activities and phytochemical analysis of dianthus carmelitarum
Aliyazıcıoğlu, Rezzan; Demir, Selim; Badem, Merve; Şener, Sıla Özlem; Korkmaz, Nuriye; Demir, Elif Ayazoğlu; Özgen, Ufuk; Karaoğlu, Şengül Alpay; Aliyazıcıoğlu, Yüksel (2017)In this study, we investigated the phytochemical composition, antioxidant, antimicrobial, and antigenotoxic properties of the aqueous extract of Dianthus carmelitarum for the first time. The phenolic and volatile compounds, ... -
Antiproliferative effect of ornithogalum balansae on human cancer cell lines
Ejder, Nebahat; Ekşi, Saliha; Yazıcı, Zihni Açar; Beriş, Fatih Şaban; Makbul, Serdar; Uzunok, Barış (Indian Pharmaceutical Assoc, 2020)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, ... -
Apoplastic and symplastic solute concentrations contribute to osmotic adjustment in bean genotypes during drought stress
Saruhan Güler, Neslihan; Sağlam, Aykut; Demiralay, Mehmet; Kadıoğlu, Asım (Scientific and Technical Research Council of Turkey, 2012)The present study investigates changes in the inorganic ions, proline, and endogenous abscisic acid (ABA) contents of the apoplastic and symplastic compartments of leaves from drought-tolerant (Yakutiye) and droughtsensitive ... -
Arboviral screening of invasive Aedes species in northeastern Turkey: West Nile virus circulation and detection of insect-only viruses
Akıner, Mustafa Mustafa; Öztürk, Murat; Başer, Aykut Buğra; Günay, Filiz; Hacıoğlu, Sabri; Brinkmann, Annika; Emanet, Nergis; Alten, Bülent; Özkul, Aykut; Nitsche, Andreas; Linton, Yvonne-Marie; Ergunay, Koray (Public Library Science, 2019)Background the recent reports of Aedes aegypti and Ae. albopictus populations in Turkey, in parallel with the territorial expansion identified in several surrounding countries, have raised concerns about the establishment ... -
The ATPase activity of the G2alt gene encoding an aluminium tolerance protein from Anoxybacillus gonensis G2
Beriş, Fatih Şaban; De Smet, Lina; Karaoğlu, Hakan; Çanakcı, Sabriye; Van Beeumen, Jozef; Belduz, Ali Osman (Springer, 2011)The G2ALT gene was cloned and sequenced from the thermophilic bacterium Anoxybacillus gonensis G2. The gene is 666 bp long and encodes a protein 221 amino acids in length. The gene was overexpressed in E. coli and purified ... -
Bacteria from Ips sexdentatus (Coleoptera: Curculionidae) and their biocontrol potential
Sevim, Ali; Gökçe, Cihan; Erbaş, Zeynep; Özkan, Filiz (Wiley, 2012)Ips sexdentatus (Coleoptera: Curculionidae) is one of the most destructive pests of the spruce trees in Europe. In this study, we have isolated and characterized culturable bacteria from I. sexdentatus and tested their ... -
Bioaccumulation of trace elements and health risk predictions in edible tissues of the Marsh Frog
Mani, Muhsin; Altunışık, Abdullah; Gedik, Kenan (SpringerNature, 2021)Certain amphibian species have long served as a valuable protein source for humans, in addition to being good bioindicators for environmental pollutants. Hence, to investigate the consumption outcomes leading to potential ... -
Biocidal properties of maltose reduced silver nanoparticles against American foulbrood diseases pathogens
Çulha, Mustafa; Kalay, Şaban; Sevim, Elif; Pınarbaş, Müberra; Baş, Yıldız; Akpınar, Rahşan; Karaoğlu, Şengül Alpay (Springer, 2017)Bee disease caused by spore-forming Paenibacillus larvae and Paenibacillus alvei is a serious problem for honey production. Thus, there is an ongoing effort to find an effective agent that shows broad biocidal activity ... -
Biological activity and characterization of volatile compounds of teucrium orientale var. Glabrescens by SPME and GC-FID/MS
Yıldırmış, Sermet; Aliyazıcıoğlu, Rezzan; Eyüpoğlu, Ozan Emre; Özgen, Ufuk; Karaoğlu, Şengül Alpay (Wiley, 2017)This study describes the constituents of phenolic acids, volatile components, antioxidant and antimicrobial activities of Teucrium orientale var. glabrescens. Antioxidant activity of methanolic and aquous extracts were ... -
Biological activity and phytochemical analysis of dicranum scoparium against the bacterial disease for honey bee
Karaoğlu, Şengül Alpay; Yaylı, Nurettin; Erik, İshak; Korkmaz, Büşra; Akpınar, Rahşan; Bozdeveci, Arif; Suyabatmaz, Şeyma; Batan, Nevzat; Yeşilyurt, Aydın; Kaya, Selma; Nisbet, Cevat; Güler, Ahmet (Wiley, 2022)Bacterial diseases, such as American Foulbrood (AFB) and European Foulbrood (EFB), are known to have catastrophic effects on honey bees (if left to spread, can wipe out entire colonies), leading to severe financial losses ...