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Article: Phylogenetic analysis revealed genetic similarity of the H5N1 avian influenza viruses isolated from HPAI outbreaks in chickens in Maharashtra, India with those isolated from swan in Italy and Iran in 2006

TitlePhylogenetic analysis revealed genetic similarity of the H5N1 avian influenza viruses isolated from HPAI outbreaks in chickens in Maharashtra, India with those isolated from swan in Italy and Iran in 2006
Authors
KeywordsAvian Influenza Virus
H5n1
Highly Pathogenic Avian Influenza Virus
Phylogeny
Issue Date2006
PublisherIndian Academy of Sciences. The Journal's web site is located at http://www.ias.ac.in/currsci
Citation
Current Science, 2006, v. 91 n. 1, p. 77-81 How to Cite?
AbstractIndia was free from highly pathogenic avian influenza (HPAI) virus H5N1 till January 2006. In February 2006, our laboratory diagnosed two H5N1 outbreaks in chickens in the neighbouring districts of Nandurbar (first outbreak) and Jalgaon (second outbreak) of Maharashtra, India. Both the outbreaks occurred in a span of 12 days with heavy mortality in affected chicken populations. From the first outbreak, AIV H5N1 was isolated from cloacal swab of chickens and in case of second outbreak the virus was isolated from dead chickens in embryonated chicken eggs. Both the H5N1 viruses met all the criteria of highly pathogenic avian influenza virus. In the present investigation an attempt has been made to trace the origin of both the Indian H5N1 viruses by comparing their partial nucleotide sequences in the HA1 and HA2 regions of the HA gene with 30 other H5N1 viruses that were isolated in different countries of Asia, Europe and Africa during the years 1997 (02), 2003 (02) and 2004-2006 (26). From the study it is clear that the H5N1 virus that caused outbreak in chickens in Jalgaon did not originate from the neighbouring district of Nandurbar where the first outbreak occurred; instead both the HPAI outbreaks in Maharashtra were due to two different populations of the virus introduced at two different times. Genetic heterogeneity was observed between the H5N1 viruses isolated in 2006 in different countries; the two viruses of Malaysia and Laos formed a sublineage different from the one consisting of the viruses of India, Iran, Iraq, Italy, Nigeria and Egypt.
Persistent Identifierhttp://hdl.handle.net/10722/179794
ISSN
2015 Impact Factor: 0.967
2015 SCImago Journal Rankings: 0.325
References

 

DC FieldValueLanguage
dc.contributor.authorPattnaik, Ben_US
dc.contributor.authorPateriya, AKen_US
dc.contributor.authorKhandia, Ren_US
dc.contributor.authorTosh, Cen_US
dc.contributor.authorNagarajan, Sen_US
dc.contributor.authorGounalan, Sen_US
dc.contributor.authorMurugkar, HVen_US
dc.contributor.authorShankar, BPen_US
dc.contributor.authorShrivastava, Nen_US
dc.contributor.authorBehera, Pen_US
dc.contributor.authorBhagat, Sen_US
dc.contributor.authorPeiris, JSMen_US
dc.contributor.authorPradhan, HKen_US
dc.date.accessioned2012-12-19T10:04:50Z-
dc.date.available2012-12-19T10:04:50Z-
dc.date.issued2006en_US
dc.identifier.citationCurrent Science, 2006, v. 91 n. 1, p. 77-81en_US
dc.identifier.issn0011-3891en_US
dc.identifier.urihttp://hdl.handle.net/10722/179794-
dc.description.abstractIndia was free from highly pathogenic avian influenza (HPAI) virus H5N1 till January 2006. In February 2006, our laboratory diagnosed two H5N1 outbreaks in chickens in the neighbouring districts of Nandurbar (first outbreak) and Jalgaon (second outbreak) of Maharashtra, India. Both the outbreaks occurred in a span of 12 days with heavy mortality in affected chicken populations. From the first outbreak, AIV H5N1 was isolated from cloacal swab of chickens and in case of second outbreak the virus was isolated from dead chickens in embryonated chicken eggs. Both the H5N1 viruses met all the criteria of highly pathogenic avian influenza virus. In the present investigation an attempt has been made to trace the origin of both the Indian H5N1 viruses by comparing their partial nucleotide sequences in the HA1 and HA2 regions of the HA gene with 30 other H5N1 viruses that were isolated in different countries of Asia, Europe and Africa during the years 1997 (02), 2003 (02) and 2004-2006 (26). From the study it is clear that the H5N1 virus that caused outbreak in chickens in Jalgaon did not originate from the neighbouring district of Nandurbar where the first outbreak occurred; instead both the HPAI outbreaks in Maharashtra were due to two different populations of the virus introduced at two different times. Genetic heterogeneity was observed between the H5N1 viruses isolated in 2006 in different countries; the two viruses of Malaysia and Laos formed a sublineage different from the one consisting of the viruses of India, Iran, Iraq, Italy, Nigeria and Egypt.en_US
dc.languageengen_US
dc.publisherIndian Academy of Sciences. The Journal's web site is located at http://www.ias.ac.in/currscien_US
dc.relation.ispartofCurrent Scienceen_US
dc.subjectAvian Influenza Virusen_US
dc.subjectH5n1en_US
dc.subjectHighly Pathogenic Avian Influenza Virusen_US
dc.subjectPhylogenyen_US
dc.titlePhylogenetic analysis revealed genetic similarity of the H5N1 avian influenza viruses isolated from HPAI outbreaks in chickens in Maharashtra, India with those isolated from swan in Italy and Iran in 2006en_US
dc.typeArticleen_US
dc.identifier.emailPeiris, JSM: malik@hkucc.hku.hken_US
dc.identifier.authorityPeiris, JSM=rp00410en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-33746628201en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33746628201&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume91en_US
dc.identifier.issue1en_US
dc.identifier.spage77en_US
dc.identifier.epage81en_US
dc.publisher.placeIndiaen_US
dc.identifier.scopusauthoridPattnaik, B=7004517994en_US
dc.identifier.scopusauthoridPateriya, AK=14054728000en_US
dc.identifier.scopusauthoridKhandia, R=14054295400en_US
dc.identifier.scopusauthoridTosh, C=7003836762en_US
dc.identifier.scopusauthoridNagarajan, S=21739930700en_US
dc.identifier.scopusauthoridGounalan, S=6506708336en_US
dc.identifier.scopusauthoridMurugkar, HV=36943216300en_US
dc.identifier.scopusauthoridShankar, BP=14054754700en_US
dc.identifier.scopusauthoridShrivastava, N=14054740300en_US
dc.identifier.scopusauthoridBehera, P=7004283513en_US
dc.identifier.scopusauthoridBhagat, S=14053599200en_US
dc.identifier.scopusauthoridPeiris, JSM=7005486823en_US
dc.identifier.scopusauthoridPradhan, HK=6602110319en_US

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