dr sci. vet. med. Maja Velhner, naučni savetnik
Odeljenje za kliničku bakteriologiju, mikologiju i parazitologiju
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maja@niv.ns.ac.rs
021 4895 393
Maja Velhner (Gagic), D.V.M., M.Sc. PhD
Naučni savetnik
Oblast istraživanja: Mikrobiologija
Obrazovanje: Diplomirala na Fakultetu veterinarske medicine u Beogradu, 1985.
Telefon: 021 4895 393
E-mail: maja@niv.ns.ac.rs
Scopus author ID: 6507753779
ORCID ID: 0000-0001-7360-7805
Research Gate: Maja-Velhner
APVNT broj: 1645
ID broj, Ministarstvo za prosvetu, nauku i tehnološki razvoj Republike Srbije: 130710
Godina rođenja: 1961.
Magistraski rad:
Fakultet veterinarske medicine Beograd, Univerzitet u Beogradu, 1989.
Oblast: Mikrobiologija i imunologija.
Naslov: ““Inhibicija migracije leukocita kao indikator ćelijskog imuniteta kod živine“ Fakultet veterinarske medicine Beograd, Univerzitet u Beogradu, 1989.
Doktorska disertacija:
Fakultet veterinarske medicine Beograd, Univerzitet u Beogradu, 1994.
Oblast: Mikrobiologija i imunologija.
Naslov: “Ispitivanje dijagnostičke vrednosti različitih laboratorijskih metoda u detekciji živine inficirane virusom Marekove bolesti”
Naučna zvanja:
- 1995 Naučni saradnik.
- 2000 Viši naučni saradnik.
- 2005 Naučni savetnik.
Profesionalno iskustvo:
- 1985-1993 Istraživač saradnik na odelenju za bolesti živine, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad.
- 1994-1996 Naučni saradnik, laaboratorija za virusologiju, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad.
- 1996-1998 Laboratorija za patobiologiju, Veterinarski fakultet Univerziteta u Minesoti, SAD.
- 1998 – 2002 Viši naučni saradnik, Odeljenje za virusologiju, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad.
- Od 2005, Naučni savetnik, Odeljenje za kliničku mikrobiologiju, mikologiju i parazitologiju, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad.
Istraživanja:
Bakteriologija, molekularna karakterizacija bakterija, antimikrobna rezistencija, virusologija.
Glavne istraživačke aktivnosti:
- Razvoj novih dijagnostičkih metoda,
- Istraživanje epidemiologije i mehanizama rezistencije kod bakterija.
Učešće na Nacinalnim projektima (koji su trenutno finansirani od strane Ministarstva za prosvetu, nauku i tehnološki razvoj):
- „Istraživanje farmakoloških karakteristika antimikrobnih agenasa, uvođenje novih tehnoloških rešenja i alternativnih metoda profilakse s ciljem da se poboljša kontrola infektivnih oboljenja domaćih životinja“ Broj projekta 31071. Period realizacije 2011-2019. Rukovodilac projekta Dr Dubravka Milanov, viši naučni saradnik, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad, Srbija,
- „Praćenje zdravstvenog stanja divljači i uvođenje novih biotehnoloških postupaka u detekciji zaraznih i zoonoznih agenasa-analiza rizika za zdravlje ljudi, domaćih i divljih životinja i kontaminaciju životine sredine“ Broj projekta 31084. Period realizacije 2011-2019. Rukovodilac projekta dr Tamaš Petrović, naučni savetnik, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad, Srbija,
Projekti finansirani od strane Pokrajinskog Sekretarijata za nauku i tehnološki razvoj
- „Istraživanje rezistencije na hinolone kod Salmonella Infantis izolovane od ljudi, iz namirnica i živine“. Broj projekta 114-451-3614/2010-02 i 114-451-3802/2011- 02. Rukovodilac: dr Maja Velhner, naučni savetnik, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad, Srbija.
- “Izučavanje mehanizama rezistencije Escherichia coli i Salmonella spp. na antibiotike“, Broj projekta 114-451-1233/2014-01. Rukovodilac dr Dubravka Milanov, viši naučni saradnik, Naučni institut za veterinarstvo „Novi Sad“, Novi Sad, Srbija.
Vaučeri
- „Agroprodukt“ Šinković: „Primena probiotika u cilju unapređenja zdravstvenog stanja i proizvodnih performansi u jatima roditeljskih parova“. Saradnici: Vladimir Polaček, Maja Velhner, Dubravka Milanov, Dalibor Todorović Godina realizacije: 2018
- „Agropapuk“ DOO, Kukuljevci: „Analiza menadžmenta procesa klanja upotrebom metode rezistotipizacije Escherichia coli”. Koordinator: Dragana Ljubojević Pelić, Saradnici Maja Velhner, Miloš Pelić, Suzana Vidaković Knežević, Dalibor Todorović, Bojana Prunić. Godina realizacije 2020.
- „Agroprodukt“ Šinković: „Utvrđivanje mera biosigurnosti u inkubatorskoj stanici radi sprečavanja pojave Salmonella spp“. Koordinator: Dalibor Todorović, Saradnici: Maja Velhner, Mrako Pajić, Bojana Prunić, Slobodan Knežević
Učešće na naučnim simpozijumima:
- 6 internacionalnih simpozijuma,
- 20 nacionalnih simpozijuma.
Članstva u naučnim i profesionalnim udruženjima:
- Veterinarska komora
Usavršavanja:
- Postdoktorsko usavršavanje na Univerzitetu u Minesoti, SAD, Laboratorija za Patobiologiju (Profesor Dr Jagdev M Sharma) (Septembar 1996- Avgust1998)
- Istraživač posetilac (visitor scientist) u Veterinarskom medicinskom institutu pri Akademiji Nauka Mađarske, u laboratoriji Profesora Dr Bela Lomniczi, u trajanju od 2 meseca za godine1996, 2000, 2001, 2002.
Trenutno:
- Naučni savetnik u laboratoriji za Kliničku bakterijologiju mikologiju i parazitologiju, Departmana za laboratorijsku dijagnostiku, Naučnog instituta za veterinarstvo “Novi Sad”, Novi Sad, Srbija.
Adresa i Kontakti:
Naučni institut za veterinarstvo „Novi Sad“, Rumenački put 20, 21000 Novi Sad, Srbija.
telefon: 021 4895 393
maja@niv.ns.ac.rs
maja.velhner@yahoo.com
Odabrane reference:
- Branko Jovčić, Milka Malešević, Milan Kojić, Nataša Galić, Dalibor Todorović, Dejan Vidanović, Maja Velhner: Genomic Analysis of Multidrug-Resistant Salmonella enterica Serovar Kentucky Isolates from Humans, Turkey, and Food in the Republic of Serbia. Foodborne Pathog Dis. 2022 Jun 24. doi: 10.1089/fpd.2022.0029
- Maja Velhner, Dalibor Todorović, Katarina Novović, Branko Jovčić, Gospava Lazić, Milan Kojić, Corinna Kehrenberg: Characterization of antibiotic resistance in Escherichia coli isolates from Black-headed gulls (Larus ridibundus) present in the city of Novi Sad, Serbia. Vet Res Commun. 2021 Dec;45(4):199-209. doi: 10.1007/s11259-021-09801-7.
- Gordana Kozoderović, Dalibor Todorović, Milan Đilas, Brankica Kartalović, Maja Velhner: White-tailed eagles (Haliaeetus albicilla) in protected Danube wetlands as carriers of Escherichia coli with resistance and virulence genes. European Journal of Wildlife Research, 67:103, 2021. DOI:10.1007/s10344-021-01547-6.
- Branko Jovčić, Katarina Novović, Brankica Filipić, Maja Velhner, Dalibor Todorović, Kazimir Matović, Zoran Rašić, Sonja Nikolić, Ferenc Kiškarolj, Milan Kojić: Genomic Characteristics of Colistin-Resistant Salmonella enterica subsp. enterica Serovar Infantis from Poultry Farms in the Republic of Serbia.. Antibiotics (Basel). 2020 Dec 10;9(12):886. doi: 10.3390/antibiotics9120886.
- M. Velhner, D. Todorović, T. Cerar Kišek, D. Ljubojević, V. Cvitković Špik, M. Pajić, G. Kozoderović: Characterisation of multidrug resistant Escherichia coli from poultry litter and poultry carrying virulence genes for evaluation of poultry farm management.. Europ. Poult. Sci. 84, 2020, doi: 10.1399/eps.2020.296.
- Velhner M, Todorović D, Grego E, Jovčić B, Prunić B, Stojanov I, Kehrenberg C. Fluoroquinolone-resistant and extended-spectrum beta-lactamase producing Escherichia coli isolates from free-living wild animals. Vet Microbiol. 2018 Sep;223:168-172. doi: 10.1016/j.vetmic.2018.08.011.
- Dalibor Todorović, Maja Velhner, Edita Grego, Dejan Vidanović, Dubravka Milanov, Dejan Krnjaić, Corinna Kehrenberg: Molecular Characterization of Multidrug-Resistant Escherichia coli Isolates from Bovine Clinical Mastitis and Pigs in the Vojvodina Province, Serbia.. Microb Drug Resist. 2018 Jan/Feb;24(1):95-103. doi: 10.1089/mdr.2017.0016. Epub 2017 May 18.
- M. Dačič, R. Resanović, Z. Rašić, M. Valčić, A. Milovanović, M. Velhner: Efficacy of recombinant VAXXITEK HVT-IBDv vaccine against very virulent Infectious bursal disease virus (vvIBDv) challenge in layer chicks: A pilot study. Journal of the Hellenic Veterinary Medical Society, Vol. 69 No. 1 (2018), https://doi.org/10.12681/jhvms.16434.
- M. Velhner, D. Milanov, G. Kozoderović: Salmonella spp. in poultry: a constant challenge and new insights. Journal of the Hellenic Veterinary Medical Society. Vol. 69 No. 2 (2018), doi.org/10.12681/jhvms.18012.
- Jasna Mirko Kureljusić, Marko Predrag Dmitrić, Dejan Svetislav Vidanović, Vlado Božidar Teodorović, Branislav Ilija Kureljušić, Velhner Josip Maja, Neđeljko Ratko Karabasil: Prevalence of Salmonella enterica in slaughtered pigs in Serbia: Serotyping, PFGE-genotyping and antimicrobial resistance.. J Infect Dev Ctries. 2017 Sep 5;11(8):640-645. doi: 10.3855/jidc.9311.
- Bojana Prunić, Dubravka Milanov, Maja Velhner, Marko Pajić, Ljiljana Pavlović, Dušan Mišić: Clonal persistence of Salmonella enterica serovars Montevideo, Tennessee, and Infantis in feed factories.. J Infect Dev Ctries. 2016 Jun 30;10(6):662-6. doi: 10.3855/jidc.7313.
- Velhner Maja: Mechanisms of resistance to quinolones and epidemiological significance of Salmonella spp. Acta Veterinaria-Beograd, 2016, 66 (2), 147-159.
- Todorović Dalibor, Velhner Maja, Milanov Dubravka, Vidanović Dejan, Suvajdžić Ljiljana, Stojanov Igor, Krnjaić Dejan: Characterization of tetracycline resistance of Salmonella enterica subspecies enterica serovar Infantis isolated from poultry in the Northern part of Serbia.. Acta Veterinaria-Beograd, 2015, (65), 4: 548- 556, https://doi.org/10.1515/acve-2015-0046.
- Ivan Dobrosavljević, Dejan Vidanović, Maja Velhner, Biljana Miljković, Branko Lako: Simultaneous detection of vaccinal and field infectious bursal disease viruses in layer chickens challenged with a very virulent strain after vaccination.. Acta Vet Hung. 2014 Jun;62(2):264-73. doi: 10.1556/AVet.2014.003.
- M. Velhner, G. Kozoderović, E. Grego, N. Galić, I. Stojanov, Z. Jelesić, C. Kehrenberg: Clonal spread of Salmonella enterica serovar Infantis in Serbia: acquisition of mutations in the topoisomerase genes gyrA and parC leads to increased resistance to fluoroquinolones. Zoonoses Public Health. 2014 Aug;61(5):364-70. doi: 10.1111/zph.12081.
- Gordana Kozoderović, Maja Velhner, Zora Jelesić, Nataša Golić, Jelena Lozo, Corinna Kehrenberg: Prevalence of quinolone resistance and mutations in the topoisomerase genes in Salmonella enterica serotype Enteritidis isolates from Serbia.. Int J Antimicrob Agents. 2012 Nov;40(5):455-7. doi: 10.1016/j.ijantimicag.2012.07.012. Epub 2012 Sep 20.
- G. Kozoderović, M. Velhner, Z. Jelesić, I. Stojanov, T. Petrović, D. Stojanović, N. Golić: Molecular typing and antimicrobial resistance of Salmonella Enteritidis isolated from poultry, food, and humans in Serbia. Folia Microbiol (Praha). 2011 Jan;56(1):66-71. doi: 10.1007/s12223-011-0003-7.
- Maja Velhner, Drako Mitevski, Dubravka Potkonjak, Dragica Stojanović, Mira Kovačević, Tamaš Petrović, Sanja Aleksić-Kovačević: Biological properties of a naturally attenuated infectious bursal disease virus isolated from a backyard chicken flock. Acta Vet Hung. 2010 Dec;58(4):499-509. doi: 10.1556/AVet.58.2010.4.10.
- Judit Iván, Maja Velhner, Krisztina Ursu, Péter German, Tamás Mató, Csaba Nick Drén, János Mészáros: Delayed vaccine virus replication in chickens vaccinated subcutaneously with an immune complex infectious bursal disease vaccine: quantification of vaccine virus by real-time polymerase chain reaction. J. Can J Vet Res. 2005, 69(2): 135–142.
- Enikȍ Wehmann, Dorina Ujvári, H Mazija, Maja Velhner, Irena Ciglar-Grozdanić, V Savić, Gordana Jermolenko, Željko Čač, Estela Prukner-Radovčić, B Lomniczi: Genetic analysis of Newcastle disease virus strains isolated in Bosnia-Herzegovina, Croatia, Slovenia and Yugoslavia, reveals the presence of only a single genotype, V, between 1979 and 2002.. Vet Microbiol. 2003 Jul 30;94(4):269-81. doi: 10.1016/s0378-1135(03)00133-0.
- IJ Kim, M Gagic, JM Sharma: Recovery of antibody-producing ability and lymphocyterepopulation of bursal follicles in chickens exposed toinfectious bursal disease virus.. Avian Dis. 1999 Jul-Sep;43(3):401-13.
- Maja Gagic, Catherine A. St. Hill, J.M. Sharma: In ovo vaccination of specific-pathogen-free chickens with vaccines containing multiple agents. Avian Dis. 1999 Apr-Jun;43(2):293-301.
- Ivana Kovincic, Ivica F Vujicic, Melina Svabic-Vlahovic, Mirjana Vulic, Maja Gagic, Irene V Wesley: Survival of Listeria monocytogenes During the Manufacture and Ripening of Trappist Cheese. J Food Prot. 1991 Jun;54(6):418-420. doi: 10.4315/0362-028X-54.6.418.
- I Kovincić, B Stajner, IF Vujicić, M Svabić-Vlahović, M Mrdjen, M Galić, M Gagić, JH Bryner: Comparison of allergenic skin test with serological and bacteriological examinations of cattle for Listeria monocytogenes.. Acta Microbiol Hung. 1990;37(1):131-3.
Book chapters
- Maja Velhner, Dejan Vidanović, Ivan Dobrosavljević: Infectious Bursal Disease Virus,. Molecular Detection of Animal Viral Pathogens, CRC Press, Edited By Dongyou Liu, 2016.
- Maja Velhner, Dragica Stojanović: Mutational polymorphism in the bacterial topoisomerase genes driven by treatment with quinolones. Point Mutation, InTech, Rijeka, Croatia, Edited by Colin Logie, 2012.
Technical documentation
- Title: „Investigation of the role of the efflux pump in development of resistance to (fluoro)quinolones in Salmonella.”
Authors: Maja Velhner, Dubravka Milanov, Gordana Kozoderović, Jelena Petrović, Radomir Ratajac, Sara Savić, Dalibor Todorović.
Year of publication: 2014. - Title: „Resistance gene detection in Gram-negative bacteria by polymerase chain reaction“.
Authors: Maja Velhner, Dalibor Todorović, Dubravka Milanov, Sara Savić, Igor Stojanov, Radomir Ratajac, Dejan Krnjaić.
Year of publication: 2015. - Title: A test on a microdilution plates to establish production of a biofilm in isolates from the family of Enterobacteriaceae (Salmonella spp. i Escherichia coli).
Authors: Dubravka Milanov, Maja Velhner, Milica Živkov-Baloš, Ivana Čabarkapa, Bojana Prunić.
Year of publication: 2015 - Title: „ Determination of resistance and virulence genes in Escherichia coli isolates in order to establish the quality of the management in poultry farms“.
Authors: Maja Velhner, Dalibor Todorović, Ljiljana Suvajdžić, Gordana Kozoderović, Dubravka Milanov, Radomir Ratajac, Jelena Petrović.
Year of publication: 2018.