Kurum Yazarı "Kar, Sırrı" PubMed İndeksli Yayın Koleksiyonu İçin Listeleme
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Co-circulation of West Nile virus and distinct insect-specific flaviviruses in Turkey
Ergünay, Koray; Litzba, Nadine; Brinkmann, Annika; Gunay, Filiz; Sarıkaya, Yasemen; Kar, Sırrı; Linton, Yvonne-Marie (Bmc, 2017)Background: Active vector surveillance provides an efficient tool for monitoring the presence or spread of emerging or re-emerging vector-borne viruses. This study was undertaken to investigate the circulation of flaviviruses. ... -
Cryptosporidium parvum oocyst viability and behaviour of the residual body during the excystation process
Kar, Sırrı; Daugschies, Arwid; Çakmak, Ayşe; Yılmazer, Nadim; Dittmar, Katja; Bangoura, Berit (Springer, 2011)This study was conducted as a comparative evaluation of time-dependent changes in the viability of purified Cryptosporidium parvum oocysts by means of different excystation methods. Oocyst samples were 2 weeks to 12 months ... -
External morphological anomalies in ixodid ticks from Thrace, Turkey
Kar, Sırrı; Akyıldız, Gürkan; Yılmazer, Nadim; Shaibi, Taher; Gargılı, Ayşen; Vatansever, Zati (Springer, 2015)Of 18,667 ticks examined, 33 specimens from species identified as Haemaphysalis parva, Hyalomma marginatum, Hy. scupense, Rhipicephalus bursa and Rh. turanicus were found to have external morphological anomalies. Anomalous ... -
High prevalence and different genotypes of Crimean-Congo hemorrhagic fever virus genome in questing unfed adult Hyalomma marginatum in Thrace, Turkey
Akyıldız, Gürkan; Bente, Dennis; Gargılı Keleş, Ayşen; Vatansever, Zati; Kar, Sırrı (Elsevier Gmbh, 2021)Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne viral disease in the old continents, in many countries south of the 50 degrees North Parallel. The agent is known to be the most prevalent and major cause of severe ... -
Isolation and genomic characterization of Culex theileri flaviviruses in field-collected mosquitoes from Turkey
Ergünay, Koray; Litzba, Nadine; Brinkmann, Annika; Gunay, Filiz; Kar, Sırrı; Öter, Kerem; Linton, Yvonne-Marie (Elsevier, 2016)Vector surveillance for the arthropod-borne infections has resulted in the isolation of a growing number of novel viruses, including several flavivirus strains that exclusively replicate in insects. This report describes ... -
Monthly dynamics of the cold-adapted one-host biological north form of Hyalomma scupense under the influence of the warm summer subtype of the Mediterranean climate in Turkey
Akyıldız, Gürkan; Güven, Esin; Tüfek, Hakan; Bente, Denis; Vatansever, Zati; Kar, Sırrı (Elsevier Ireland Ltd, 2021)The one-host biological north form / ecotype of Hyalomma scupense Schulze, 1919 (Acari, Ixodidae) is reported for the first time in Turkey herein. Following the first detection of the tick, a longitudinal field study was ... -
Monthly infestation characteristics of ticks on cattle in Thrace, a Crimean Congo hemorrhagic fever-endemic area of Turkey
Kar, Sırrı; Akyıldız, Gürkan; Güven, Esin; Bente, Dennis; Vatansever, Zati (Springer, 2021)The first etiologically confirmed cases of Crimean-Congo hemorrhagic fever (CCHF) in humans were detected in Turkey in 2002. Since then, thousands of cases have been reported from different parts of the country. Hyalomma ... -
Multiple orthonairoviruses including Crimean-Congo hemorrhagic fever virus, Tamdy virus and the novel Meram virus in Anatolia
Ergünay, Koray; Dinçer, Ender; Kar, Sırrı; Emanet, Nergis; Yalçınkaya, Deniz; Dinçer, Pelin Fatos Polat; Linton, Yvonne-Marie (Elsevier Gmbh, 2020)We conducted orthonairovirus RNA screening of 7043 tick specimens-representing 16 species-collected from various regions of Anatolia. In 602 pools, Crimean-Congo hemorrhagic fever virus (CCHFV) Europe 1 and 2 lineages were ... -
A novel rhabdovirus, related to Merida virus, in field-collected mosquitoes from Anatolia and Thrace
Ergünay, Koray; Brinkmann, Annika; Litzba, Nadine; Gunay, Filiz; Kar, Sırrı; Öter, Kerem; Linton, Yvonne-Marie (Springer Wien, 2017)Next-generation sequencing technologies have significantly facilitated the discovery of novel viruses, and metagenomic surveillance of arthropods has enabled exploration of the diversity of novel or known viral agents. We ... -
Novel Tick Phlebovirus Genotypes Lacking Evidence for Vertebrate Infections in Anatolia and Thrace, Turkey
Emanet, Nergis; Kar, Sırrı; Dinçer, Ender; Brinkmann, Annika; Hacioglu, Sabri; Farzani, Touraj Aligholipour; Ergünay, Koray (Mdpi, 2019)We screened ticks and human clinical specimens to detect and characterize tick phleboviruses and pathogenicity in vertebrates. Ticks were collected at locations in Istanbul (Northwest Anatolia, Thrace), Edirne, Kirklareli, ... -
Predation of ant species Lasius alienus on tick eggs: impacts of egg wax coating and tick species
Kar, Sırrı; Şirin, Deniz; Akyıldız, Gürkan; Şakacı, Zafer; Talay, Şengül; Camlitepe, Yılmaz (Nature Portfolio, 2022)Several animal species, including ants, have been reported to be capable of predation on ticks. However, determining factors in most interactions between ticks and predators have not yet been fully deciphered. We hypothesized ... -
Preferences of different tick species for human hosts in Turkey
Kar, Sırrı; Dervis, E.; Akın, A.; Ergonul, O.; Gargılı, Ayşen (Springer, 2013)The ticks removed from the patients who applied to the hospitals in Istanbul and neighboring cities, Turkey, with the complaint of tick bite were examined in this study, on account of their species, biological stages, ... -
Prevalence of subclinical coccidiosis in broiler farms in Turkey
Karaer, Zafer; Güven, Esin; Akçay, Aytaç; Kar, Sırrı; Nalbantoğlu, Serpil; Çakmak, Ayşe (Springer, 2012)The presence of Eimeria spp. oocysts in fecal samples collected from 1,108 broiler houses in six regions, representing about 12% of all broiler farms in Turkey, was studied using the modified McMaster method. The age of ... -
Quantitative comparison of different purification and detection methods for Cryptosporidium parvum oocysts
Kar, Sırrı; Gawlowska, Sandra; Daugschies, Arwid; Bangoura, Befit (Elsevier Science Bv, 2011)Cryptosporidium parvum (C. parvum) is the causal agent of cryptosporidiosis in many animals, mainly cattle, and possesses a high zoonotic potential. It occurs worldwide and ubiquitously. Detection of C. parvum is mainly ... -
Revisiting detachment techniques in human-biting ticks
Belli, Asli Akin; Dervis, Emine; Kar, Sırrı; Ergonul, Onder; Gargılı, Ayşen (Mosby-Elsevier, 2016)Background: Early and complete removal of ticks using the right technique is important to reduce tick-transmitted diseases. Several chemical and mechanical detachment techniques have been described previously. Objective: ... -
Rickettsia Species in Ticks Removed from Humans in Istanbul, Turkey
Gargılı, Ayşen; Palomar, Ana M.; Midilli, Kenan; Portillo, Aranzazu; Kar, Sırrı; Oteo, Jose A. (Mary Ann Liebert Inc, 2012)A total of 167 ticks collected from humans in Istanbul (Turkey) in 2006 were screened for Rickettsia species, and nested PCRs targeting gltA and ompA rickettsial fragment genes were carried out. Rickettsia monacensis (51), ... -
Survey and Characterization of Jingmen Tick Virus Variants
Dinçer, Ender; Hacioglu, Sabri; Kar, Sırrı; Emanet, Nergis; Brinkmann, Annika; Nitsche, Andreas; Ergünay, Koray (Mdpi, 2019)We obtained a Jingmen tick virus (JMTV) isolate, following inoculation of a tick pool with detectable Crimean-Congo hemorrhagic fever virus (CCHFV) RNA. We subsequently screened 7223 ticks, representing 15 species in five ... -
Ticks on humans in Ankara, Turkey
Karaer, Zafer; Güven, Esin; Nalbantoğlu, Serpil; Kar, Sırrı; Orkun, Omer; Ekdal, Kemal; Akçay, Aytaç (Springer, 2011)In this study, a total of 5,094 ticks found on humans were examined in terms of species, development stage, gender, host features and seasonality for a year period. Of these ticks 17 were argasid and 5,077 were ixodid. ... -
Utility of a Sequence-Independent, Single-Primer-Amplification (SISPA) and Nanopore Sequencing Approach for Detection and Characterization of Tick-Borne Viral Pathogens
Brinkmann, Annika; Uddin, Steven; Krause, Eva; Surtees, Rebecca; Dinçer, Ender; Kar, Sırrı; Nitsche, Andreas (Mdpi, 2021)Currently, next generation sequencing (NGS) is the mainly used approach for identification and monitorization of viruses with a potential public health threat in clinical and environmental samples. To facilitate detection ... -
West Nile virus, Anopheles flavivirus, a novel flavivirus as well as Merida-like rhabdovirus Turkey in field-collected mosquitoes from Thrace and Anatolia
Öncü, Ceren; Brinkmann, Annika; Günay, Filiz; Kar, Sırrı; Öter, Kerem; Sarıkaya, Yasemen; Ergünay, Koray (Elsevier, 2018)Mosquitoes are involved in the transmission and maintenance of several viral diseases with significant health impact. Biosurveillance efforts have also revealed insect-specific viruses, observed to cocirculate with pathogenic ...