Browsing by Author "Gartzonika, C."
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Characterization of novel intergenogroup and intergenotype recombinant noroviruses from central Greece
Ruether, I. G. A.; Dimitriou, T. G.; Tsakogiannis, D.; Kyriakopoulou, Z.; Amoutzias, G. D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2014)Noroviruses (NoVs) are a major causative agent of acute gastroenteritis in humans. They are members of the Caliciviridae family and based on the genetic analysis of the RdRp and capsid regions, human NoVs are divided into ... -
Circulation of intergenotype recombinant noroviruses GII.9/GII.6 from 2006 to 2011 in central Greece
Ruether, I. G. A.; Tsakogiannis, D.; Kyriakopoulou, Z.; Dimitriou, T. G.; Papamichail, C.; Gartzonika, C.; Leveidiotou-Stefanou, S.; Markoulatos, P. (2014)Noroviruses (NoVs) are members of the Caliciviridae family and are recognized as a worldwide cause of acute nonbacterial gastroenteritis. Based on the genetic analysis of the RdRp and capsid regions, human NoVs are divided ... -
Combined 5 ' UTR RFLP analysis and VP1 sequencing for epidemic investigation of enteroviruses
Kyriakopoulou, Z.; Tsolis, K.; Pliaka, V.; Tsakogiannis, D.; Ruether, I. G. A.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2013)Enteroviruses, the main cause of aseptic meningitis, consist of 100 serotypes, and many of them have been associated with large outbreaks. In the present study, a comparison of RFLP analysis of the 5' untranslated region ... -
Correlation of mutations and recombination with growth kinetics of poliovirus vaccine strains
Pliaka, V.; Kyriakopoulou, Z.; Tsakogiannis, D.; Ruether, I. G. A.; Gartzonika, C.; Levidiotou-Stefanou, S.; Krikelis, A.; Markoulatos, P. (2010)Attenuated strains of Sabin poliovirus vaccine replicate in the human gut and, in rare cases, may cause vaccine-associated paralytic poliomyelitis (VAPP). The genetic instability of Sabin strains constitutes one of the ... -
Genome analysis of two type 6 echovirus (E6) strains recovered from sewage specimens in Greece in 2006
Kyriakopoulou, Z.; Pliaka, V.; Tsakogiannis, D.; Ruether, I. G. A.; Komiotis, D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2012)Echovirus 6 (E6) is one of the main enteroviral serotypes that was isolated from cases of aseptic meningitis and encephalitis during the last years in Greece. Two E6 (LR51A5 and LR61G3) were isolated from the sewage treatment ... -
Molecular and phylogenetic analysis of the HPV 16 E4 gene in cervical lesions from women in Greece
Tsakogiannis, D.; Ruether, I. G. A.; Kyriakopoulou, Z.; Pliaka, V.; Skordas, V.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2012)The HPV16 E1(a )E4 protein is thought to contribute to the release of newly formed viral particles from infected epithelia. In order to investigate amino acid mutations in the HPV16 E1(a )E4 protein, the complete E4 ORF ... -
Molecular characterization of a new intergenotype Norovirus GII recombinant
Ruether, I. G. A.; Tsakogiannis, D.; Pliaka, V.; Kyriakopoulou, Z.; Krikelis, A.; Gartzonika, C.; Leveidiotou-Stefanou, S.; Markoulatos, P. (2012)Human noroviruses (NoVs) of the Caliciviridae family are a major cause of epidemic gastroenteritis. The NoV genus is genetically diverse and recombination of viral RNA is known to depend upon various immunological and ... -
Molecular epidemiology and evolutionary dynamics of Echovirus 3 serotype
Kyriakopoulou, Z.; Bletsa, M.; Tsakogiannis, D.; Dimitriou, T. G.; Amoutzias, G. D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2015)Echovirus 3 (E3) serotype has been related with several neurologic diseases, although it constitutes one of the rarely isolated serotypes, with no report of epidemics in Europe. The aim of the present study was to provide ... -
PCR assays for the identification of rare recombination types from VP1 to 3D genomic region of vaccine derived poliovirus strains
Dimitriou, T. G.; Pliaka, V.; Kyriakopoulou, Z.; Ruether, I. G. A.; Tsakogiannis, D.; Fountoucidou, P.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2014)Poliomyelitis has been effectively controlled by the use of inactivated poliovirus vaccine (IPV) or trivalent live attenuated oral poliovirus vaccine (OPV). Since 1964, the use of OPV in mass vaccinations has resulted in ... -
Retrospective molecular and phenotypic analysis of poliovirus vaccine strains isolated in Greece
Pliaka, V.; Filliponi, M. E.; Kyriakopoulou, Z.; Ruether, I. G. A.; Tsakogiannis, D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2011)The live oral poliovirus vaccine (OPV) strains are genetically unstable, causing, in rare cases, vaccine-associated paralytic poliomyelitis. Reversions of the known attenuating mutations in OPV strains and intertypic ...