Yazar "Çiçek, Ayşegül Çopur" için listeleme
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Absence of the mecC gene in methicillin-resistant Staphylococcus aureus isolated from various clinical samples: the first multi-centered study in Turkey
Çıkman, Aytekin; Aydın, Merve; Gülhan, Barış; Karakeçili, Faruk; Kurtoǧlu, Muhammet Güzel; Yüksekkaya, Şerife; Parlak, Mehmet; Gültepe, Bilge Sümbül; Çiçek, Ayşegül Çopur; Bilman, Fulya Bayındır; Çiftçİ, İhsan Hakkı; Kara, Murat; Atmaca, Selahattin; Özekinci, Tuncer (Elsevier Science London, 2019)Background: mecA is a predefined gene causing methicillin resistance in Staphylococcus aureus (S. aureus) isolates; however, it has been shown that some methicillin-resistant S. aureus (MRSA) strains do not carry this gene. ... -
Antibiotic sensitivity of Stenotrophomonas maltophilia in a 5-year period and investigation of clonal outbreak with PFGE
Çalışkan, Ahmet; Çiçek, Ayşegül Çopur; Ejder, Nebahat Aydoğan; Karagöz, Alper; Kirişçi, Özlem; Kılıç, Selçuk (J Infection Developing Countries, 2019)Introduction: Stenotrophomonas maltophilia, which is able to form a biofilm, has mostly been related to catheters when it is the agent in hospital infections; these infections generally present as bacteremia and pneumonia, ... -
Antimicrobial resistance patterns and integron carriage of escherichia coli isolates causing community-acquired infections in Turkey
Çiçek, Ayşegül Çopur; Özgümüş, Osman Birol; Saral, Ayşegül; Sandallı, Cemal (Korean Soc Laboratory Medicine, 2014)We aimed to observe antimiCrobial resistance patterns and integron carriage of Escherichia coli isolates causing community-acquired infections. Two hundred sixty-eight E. coli strains were obtained from outpatients with ... -
Antimicrobial susceptibility and molecular characterization of multidrug-resistant acinetobacter baumannii isolated in an university hospital
Direkel, Şahin; Çiçek, Ayşegül Çopur; Karagöz, Alper; Aydoğan Ejder, Nebahat; Oktay, Efdal; Delialioğlu, Nuran; Özgümüş, Osman Birol; Durmaz, Rıza (Ankara Microbiology Soc, 2016)Acinetobacter baumannii, an aerobic, non-motile, gram-negative bacterium is an important nosocomial pathogen which shows resistance to the most antibiotics. Carbapenems are the most commonly used antibiotics for the treatment ... -
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 ... -
Blastoschizomyces capitatus’un neden olduğu üç fungemi olgusu
Koç, A. Nedret; Çiçek, Ayşegül Çopur; Kaynar, Leylagül; Sav, Hafize; Kasap, F. Filiz Tekinşen; Atalay, Mustafa Altay (2013)Blastoschizomyces capitatus özellikle bağışıklık sistemi baskılanmış kişilerde ciddi ve fatal seyreden sistemik enfeksiyonlara neden olabilmektedir. B.capitatus suşlarının hastane enfeksiyonuna neden olduğu ve salgınlar ... -
Carriage of class 1 and 2 integrons in acinetobacter baumannii and pseudomonas aeruginosa isolated from clinical specimens and a novel gene cassette array: bla(OXA-11)-cmlA7
Mengeloğlu, Fırat Zafer; Çiçek, Ayşegül Çopur; Koçoğlu, Esra; Sandallı, Cemal; Budak, Emine Esra; Özgümüş, Osman Birol (Ankara Microbiology Soc, 2014)The dissemination of antibiotic resistance genes between bacteria leads to serious problems in the treatment of infectious diseases. It has been shown that resistance genes can also be carried by the integrons. There are ... -
The challenges of contact tracing in a case of early neonatal sepsis with COVID-19
Kanburoğlu, Mehmet Kenan; Altuntaş, Özgür; Çiçek, Ayşegül Çopur (Springer India, 2020)To the Editor: Contact tracing is one of the main components of slowing the chain of transmission during pandemics. This method entails screening the chain of contact in the infectious phase, reaching the people infected, ... -
Characterization of novel VIM carbapenemase, VIM-38, and first detection of GES-5 carbapenem-hydrolyzing beta-lactamases in Pseudomonas aeruginosa in Turkey
Iraz, Meryem; Düzgün, Azer Özad; Çiçek, Ayşegül Çopur; Bonnin, Remy A.; Ceylan, Ayşenur; Saral, Ayşegül; Nordmann, Patrice; Sandalli, Cemal (Elsevier Science Inc, 2014)Pseudomonas aeruginosa isolates were collected form a Turkish hospital. Antimicrobial susceptibility was performed using the Vitek 2 Compact system, and 24 isolates were categorized as multidrug resistant (n = 18), ... -
Characterization of resistance genes and replicon typing in Carbapenem-resistant Klebsiella pneumoniae strains
Karaman, Esin; Çiçek, Ayşegül Çopur; Semen, Vicdan; Beriş, Fatih Şaban (SpringerNature, 2024)Objective In our study, K. pneumoniae strains (non-susceptible to carbapenem) (n = 60) were obtained from various clinical samples from Rize State Hospital between 2015 and 2017 and it is aimed to identify antibiotic ... -
Clinical potential of resistin as a novel prognostic biomarker for cellulitis
Ertürk, Ayşe; Cüre, Medine Cumhur; Cüre, Erkan; Kurt, Aysel; Çiçek, Ayşegül Çopur; Yüce, Süleyman (Spandidos Publ Ltd, 2015)Cellulitis is an acute, subacute or chronic inflammation of the dermis and subdermal tissues, which is typically caused by bacteria, although other causes are possible. the present study aimed to evaluate the association ... -
Cloning, expression, and characterization of a novel CTP synthase gene from Anoxybacillus gonensis G2
Sandallı, Cemal; Saral, Ayşegül; Ülker, Serdar; Karaoğlu, Hakan; Beldüz, Ali Osman; Çiçek, Ayşegül Çopur (2014)The cytidine-5'-triphosphate (CTP) synthase (EC 6.4.3.2) gene (pyrG) was cloned and sequenced from the thermophilic bacterium Anoxybacillus gonensis G2 (Ago). The gene is 1590 bp in length and encodes a protein of 530 amino ... -
Co-existance of ISABA1/BLA(OXA-51/23) is increasing in carbapenem rersistant acinetobacter baumannii isolates in Turkey
Uzunoğlu, Emel; Direkel, Şahin; Koçbıyık, Merve; Uludağ, Selma Keleş; Çiçek, Ayşegül Çopur (Carbone Editore, 2017)Introduction: Carbapenem resistant Acinetobacter baumannii (A. baumannii) strains are challenging topics for hospitals. We determined the antibiotic susceptibilities and genetic resistance mechanisms of 135 A. baumannii ... -
Comparison of a novel antigen detection test with reverse transcription polymerase chain reaction assay for laboratory diagnosis of SARS-CoV-2 infection
Cirit, Osman Sezen; Mutlu, Esvet; Sancak, Banu; Kocagöz, Tanıl; Can, Özge; Çiçek, Candan; Sayıner, Ayça Arzu; Appak, Özgür; Uyar, Neval Yurttutan; Külah, Canan; Çiçek, Ayşegül Çopur; Özgümüş, Osman Birol; Altıntop, Yasemin Ay; Saatçi, Esma; Karslıgil, Tekin; Zer, Yasemin; Özen, Nevgün Sepin; Çekin, Yeşim; Karahan, Zeynep Ceren; Evren, Ebru; Karakoç, Ayşe Esra; Orhan, Sultan Gülbahçe; Mutlu, Derya; Bozdemir, Tuğba; Çaycı, Yeliz Tanrıverdi; Çınar, Canberk; Taşbakan, Meltem; Mert, Merve; Çınar, Ece; Kutlusoy, Oya Özlem Eren; Kocagöz, Sesin; Ertürk, Ayşe; Çelik, İlhami; Mete, Ayşe Özlem; Eneyli, Müge Günalp; Akdemir, İrem; Karakök, Taliha; İnan, Dilara; Atilla, Aynur; Taflan, Şevket Onur; Yörük, Kağan Etka (Springer, 2022)Molecular diagnosis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by real-time reverse transcription polymerase chain reaction (RT-PCR) in respiratory specimens is considered the gold standard method. ... -
Comparison of standard triple therapy, sequential therapy and moxifloxacin-based triple therapy for Helicobacter pylori infection: Patients' compliance and bacterial eradication rates
Rakıcı, Halil; Akdoğan, Remzi Adnan; Bedir, Recep; Çiçek, Ayşegül Çopur; Yılmaz, Arif (Wiley, 2014)ObjectiveTo compare the patients' compliance with and the efficacy of existing treatments for Helicobacter pylori eradication, including moxifloxacin-based triple therapy, sequential treatment and the standard treatment. ... -
Comparison of verona integron-borne metallo-beta-lactamase (VIM) variants reveals differences in stability and inhibition profiles
Makena, Anne; Düzgün, Azer Özad; Brem, Jurgen; McDonough, Michael A.; Rydzik, Anna M.; Abboud, Martine I.; Saral, Ayşegül; Çiçek, Ayşegül Çopur; Sandallı, Cemal; Schofield, Christopher J. (Amer Soc Microbiology, 2016)Metallo-beta-lactamases (MBLs) are of increasing clinical significance; the development of clinically useful MBL inhibitors is challenged by the rapid evolution of variant MBLs. the Verona integron-borne metallo-beta-lactamase ... -
Correction of patient medical record errors through a file control method
Sungur, Cuma; Songur, Levent; Çiçek, Ayşegül Çopur; Top, Mehmet (Elsevier Sci Ltd, 2019)Aim: the purpose of this study was to reduce the errors that might occur in the medical practice records to the lowest possible level, thereby contributing to a better quality of health care services. the aim of this study ... -
COVID-19 vaccine immunity in oncology patients
Uslu, Gonca Hanedan; Rakıcı, Sema Yılmaz; Çiçek, Ayşegül Çopur; Yazıcı, Zihni Açar (AEPRESS Sro, 2023)BACKGROUND: To investigate the effect of vaccine types applied in our country against 2019 coronavirus disease on the formation of protective antibodies in oncology patients. MATERIALS AND METHODS: The data of 81 cancer ... -
Crimean-Congo hemorrhagic fever and pregnancy: Two cases
Kırım-Kongo kanamalı ateşi ve gebelik: İki olguKırım-Kongo kanamalı ateşi (KKKA) Hyalomma türü kenelerle, enfekte insanlar ya da evcil hayvanların vücut sıvıları veya dokularıyla doğrudan temas sonucu insanlara bulaşan, ... -
Çeşitli klinik örneklerden izole edilen Escherichia coli ve Klebsiella cinsi bakterilerin fosfomisin duyarlılığının araştırılması
Amaç: Escherichia coli (E. coli) ve Klebsiella cinsi bakteriler geniş spektrumlu beta laktamazları (GSBL) ihtiva etmesi nedeniyle mortalitesi yüksek hastane enfeksiyonlarının en önemli etkenlerindendir. Bu çalışmada E. ...
