Yazar "Sandallı, Cemal" için listeleme
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Determination of the staphylococcal cassette chromosome in methicillin-resistant Staphylococcus aureus strains isolated from various clinical samples
Çiçek, Ayşegül Çopur; Dinç Patlak, Rukiye; Sandallı, Cemal; Mengeloglu, Zafer; Kostakoğlu, Uğur; Yıldız, İlknur Esen (Science & Innovation, Ltd, 2016)Aim - the present study aimed to detect mecA and staphylococcal cassette chromosome mec (SCCmec) types in methicillin-resistant Staphylococcus aureus (MRSA) isolates obtained from various clinical samples in two university ... -
Distribution of beta-lactamase genes among carbapenem-resistant klebsiella pneumoniae strains isolated from patients in Turkey
Iraz, Meryem; Düzgün, Azer Özad; Sandallı, Cemal; Doymaz, Mehmet Ziya; Akkoyunlu, Yasemin; Saral, Ayşegül; Peleg, Anton Y.; Özgümüş, Osman Birol; Beriş, Fatih Şaban; Karaoğlu, Hakan; Çiçek, Ayşegül Çopur (Korean Soc Laboratory Medicine, 2015)Background: the emergence of carbapenem-resistant Klebsiella pneumoniae poses a serious problem to antibiotic management. We investigated the beta-lactamases in a group of carbapenem-resistant K. pneumoniae clinical isolates ... -
Effect of mazEF, higBA and relBE toxin-antitoxin systems on antibiotic resistance in Pseudomonas aeruginosa and Staphylococcus isolates
Coşkun, Umut Safiye Say; Çiçek, Ayşegül Çopur; Kılınç, Çetin; Güçkan, Rıdvan; Dağcıoğlu, Yelda; Demir, Osman; Sandallı, Cemal (Med Coll Malawi, 2018)Background A toxin-antitoxin (TA) system is a set of two or more closely linked genes that are encoded as a poison and a corresponding antidote on a protein. in typical bacterial physiology, an antitoxin binds to a toxin ... -
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. ... -
Evaluation of genetic diversity of cultivated tea clones (Camellia sinensis (L.) Kuntze) in the eastern black sea coast by inter-simple sequence repeats (ISSRS)
Beriş, Fatih Şaban; Pehlivan, Necla; Kaç, Melike; Haznedar, Ayhan; Coşkun, Fatih; Sandallı, Cemal (Serbian Genetics Soc, 2016)Tea is the most globally consumed drink after spring water and an important breeding plant with high economical value in Turkey. in half a century, various kinds of tea cultivars have been bred in Turkey to improve the ... -
Evaluation of the carbapenem inactivation method for detection of carbapenemase-producing gram-negative bacteria in comparison with the RAPIDEC CARBA NP
Aktaş, Elif; Malkoçoğlu, Gülşah; Otlu, Barış; Çiçek, Ayşegül Çopur; Kulah, Canan; Cömert, Füsun; Sandallı, Cemal; Gürsoy, Nafia Canan; Erdemir, Duygu; Bulut, Mehmet Emin (Mary Ann Liebert, Inc, 2017)Timely detection of carbapenemases by both phenotypic and genotypic methods is essential for developing strategies to control the spread of infections by carbapenem-resistant isolates and related morbidity and mortality. ... -
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 prevalence of NDM metallo-β-lactamase among ESBL-producing Escherichia coli İsolates
Çetinkol, Yeliz; Sandallı, Cemal; Çalgın, Mustafa Kerem; Yıldırım, Arzu Altunçekiç; Akyıldız, Esma; Karaman, Esin; Çiçek, Ayşegül Çopur (Akademiai Kiado Zrt, 2017)Resistance to beta-lactams in Enterobacteriaceae has been increasing worldwide. This study aimed to determine the frequency of beta-lactamase genes and antibiotic resistance rates of 140 extended-spectrum beta-lactamase ... -
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. -
The internal bacterial diversity of stored product pests
Sevim, Ali; Sevim, Elif; Demirci, Meryem; Sandallı, Cemal (Bmc, 2016)Symbiotic bacteria associated with insects play important roles in different physiological processes such as digestion, insect behavior, defense and providing essential nutrition in insect gut. in addition, these bacteria ... -
Investigation of common chemical components and inhibitory effect on GES-type beta-lactamase (GES22) in methanolic extracts of Algerian seaweeds
Houchi, Selma; Mahdadi, Rachid; Khenchouche, Abdelhalim; Song, Junke; Zhang, Wen; Pang, Xiaocong; Zhang, Li; Sandallı, Cemal; Du, Guanhua; Sandallı, Cemal (Academic Press Ltd- Elsevier Science Ltd, 2019)This study aimed to investigate the total phenolic content (TPC), the identification of the common compounds by HPLC-ESI-MS and HPLC-ESI-MS-TOF and the inhibitory effects against class A-type beta-lactamase (GES-22 variant, ... -
İdrar Kültürlerinden İzole Edilen EscherichiacoliSuşlarında Sınıf 1 ve Sınıf 2 İntegron Gen Kasetlerinin Karakterizasyonu: Çok Merkezli Bir Çalışma
Çopur, Ayşegül Çiçek; Sandallı, Cemal; Budak, Emine Esra; Yağmur, Gülhan; Çizmeci, Zeynep; Ak, Sibel; Özgümüş, Osman Birol (2016)Escherichia coli hem hastane hem de toplum kaynaklı üriner sistem enfeksiyonlarında en sık izole edilen etkendir. Ülkemizde E.coli suşlarının antibiyotik duyarlılıkları ile ilgili farklı merkezlerde yapılmış çok sayıda ... -
Kinetic characterization of GES-22 beta-lactamase harboring the M169L clinical mutation
Saral, Ayşegül; Leonard, David A.; Düzgün, Azer Özad; Çiçek, Ayşegül Çopur; June, Cynthia M.; Sandallı, Cemal (Japan Antibiotics Research Assoc, 2016)The class A p-lactamase GES-22 has been identified in Acinetobacter baumannii isolates in Turkey, and subsequently shown to differ from GES-11 by a single substitution (M169L). Because M169 is part of the omega loop, a ... -
Klinik örneklerden izole edilen trimetoprim-sülfametoksazole dirençli stenotrophomonas maltophilia suşlarında integron, sul1-2 ve dfr genlerinin araştırılması
Özkaya, Esra; Aydın, Faruk; Bayramoğlu, Gülçin; Buruk, Celal Kurtuluş; Sandallı, Cemal (Ankara Microbiology Soc, 2014)Stenotrophomonas maltophilia, which is a non-fermentative gram-negative bacillus, has an increasing importance in nosocomial and opportunistic infections. Since it exhibits resistance to numerous broad-spectrum antibiotics ... -
Klinik örneklerden izole edilen acinetobacter baumannii ve pseudomonas aeruginosa suşlarının sınıf 1 ve 2 integron taşıyıcılığı ve yeni bir gen kaseti birlikteliği: blaOXA-11-cmlA7
Mengeloğlu, Fırat Zafer; Çiçek, Ayşegül Çopur; Koçoğlu, Mücahide Esra; Sandallı, Cemal; Budak, Emine Esra; Özgümüş, Osman Birol (2014)Antibiyotik direnç genlerinin bakteriler arasındaki yayılımı, enfeksiyon hastalıklarının tedavisinde ciddi sorunlar oluşturmaktadır. Son zamanlarda bu genlerin integronlarda da taşındığı gösterilmiştir. Ülkemizde, Acinetobacter ... -
Klinik örneklerden izole edilen Trimetoprim-sülfametoksazole dirençli Stenotrophomonas maltophilia suşlarında integron, sul1-2 ve dfr genlerinin araştırılması
Nonfermentatif gram-negatif basil olan Stenotrophomonas maltophilia, hastane enfeksiyonları ve fırsatçı enfeksiyonlar açısından giderek artan bir öneme sahiptir. Çeşitli mekanizmaları kullanarak aminoglikozidler, beta-laktamlar, ... -
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 ... -
Molecular characterisation and control of Acinetobacter baumannii isolates resistant to multi-drugs emerging in inter-intensive care units
Ertürk, Ayşe; Çiçek, Ayşegül Çopur; Gümüş, Aziz; Cüre, Erkan; Şen, Ahmet; Kurt, Aysel; Karagöz, Alper; Aydoğan, Nebahat; Sandallı, Cemal; Durmaz, Rıza (BmcBMC, 2014)Background: A nosocomial outbreak of Acinetobacter baumannii (AB) infections occurred among intensive care units (ICU) (surgery, medical, cardiovascular surgery, coronary unit) of Recep Tayyip Erdogan University Medical ... -
Molecular characterization of antibiotic resistant Escherichia coli strains isolated from tap and spring waters in a coastal region in Turkey
A hundred and seventeen antibiotic-resistant Escherichia coli strains were isolated from public tap and spring waters which were polluted by fecal coliforms. There were no significant differences between two water sources ... -
Molecular epidemiology of clinical Pseudomonas aeruginosa isolates carrying IMP-1 metallo-β-lactamase gene in a university hospital in Turkey
Özgümüş, Osman Birol; Caylan, Rahmet; Tosun, İlknur; Sandallı, Cemal; Aydın, Kemalettin; Köksal, İftihar (2007)Pseudomonas aeruginosa isolates carrying IMP- or VIM-type metallo-?-lactamase (MBL) have been increasingly reported in hospitals worldwide. One hundred P. aeruginosa clinical isolates from unrelated inpatients hospitalized ...