Characterisation of New Zealand isolates of infectious bursal disease virus
Isolates of infectious bursal disease virus (IBDV) were obtained from domestic poultry in New Zealand in 1997 and 1998. An in-vivo pathogenicity study carried out in specific pathogen free (SPF) chickens demonstrated the low virulence of one of the virus isolates. The nucleotide sequences of the hyp...
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| Veröffentlicht in: | Archives of virology 2001-08, Vol.146 (8), p.1571-1580 |
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| creator | CHAI, Y. F CHRISTENSEN, N. H WILKS, C. R MEERS, J |
| description | Isolates of infectious bursal disease virus (IBDV) were obtained from domestic poultry in New Zealand in 1997 and 1998. An in-vivo pathogenicity study carried out in specific pathogen free (SPF) chickens demonstrated the low virulence of one of the virus isolates. The nucleotide sequences of the hypervariable region of the VP2 gene of two isolates were determined and compared with published sequences of strains from other countries. The deduced amino acid sequence of the two New Zealand IBDV isolates showed 100% identity with each other, suggesting that little genetic drift had occurred. Phylogenetic analysis showed that the New Zealand isolates were more closely related to two attenuated IBDV strains (Cu1 and PBG98) than to classical (STC and 52/70), very virulent (DV86), variant (variant E) or Australian (002-73) strains. The results support the hypothesis that an attenuated strain of the virus was inadvertently introduced into the NZ poultry population in 1993. |
| doi_str_mv | 10.1007/s007050170079 |
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F ; CHRISTENSEN, N. H ; WILKS, C. R ; MEERS, J</creator><creatorcontrib>CHAI, Y. F ; CHRISTENSEN, N. H ; WILKS, C. R ; MEERS, J</creatorcontrib><description>Isolates of infectious bursal disease virus (IBDV) were obtained from domestic poultry in New Zealand in 1997 and 1998. An in-vivo pathogenicity study carried out in specific pathogen free (SPF) chickens demonstrated the low virulence of one of the virus isolates. The nucleotide sequences of the hypervariable region of the VP2 gene of two isolates were determined and compared with published sequences of strains from other countries. The deduced amino acid sequence of the two New Zealand IBDV isolates showed 100% identity with each other, suggesting that little genetic drift had occurred. Phylogenetic analysis showed that the New Zealand isolates were more closely related to two attenuated IBDV strains (Cu1 and PBG98) than to classical (STC and 52/70), very virulent (DV86), variant (variant E) or Australian (002-73) strains. The results support the hypothesis that an attenuated strain of the virus was inadvertently introduced into the NZ poultry population in 1993.</description><identifier>ISSN: 0304-8608</identifier><identifier>EISSN: 1432-8798</identifier><identifier>DOI: 10.1007/s007050170079</identifier><identifier>PMID: 11676418</identifier><language>eng</language><publisher>Wien: Springer</publisher><subject>Amino Acid Sequence ; Animal viral diseases ; Animals ; Biological and medical sciences ; Birnaviridae Infections - veterinary ; Birnaviridae Infections - virology ; Chickens ; DNA, Complementary ; Epidemiology ; Fundamental and applied biological sciences. Psychology ; Infectious bursal disease virus ; Infectious bursal disease virus - genetics ; Infectious bursal disease virus - isolation & purification ; Infectious bursal disease virus - pathogenicity ; Infectious diseases ; Medical sciences ; Microbiology ; Molecular Sequence Data ; New Zealand ; Poultry Diseases - virology ; Reverse Transcriptase Polymerase Chain Reaction ; RNA, Viral - isolation & purification ; Sequence Analysis, DNA ; Viral diseases ; Viral Structural Proteins - chemistry ; Viral Structural Proteins - genetics ; Virology ; Virulence ; VP2 gene</subject><ispartof>Archives of virology, 2001-08, Vol.146 (8), p.1571-1580</ispartof><rights>2002 INIST-CNRS</rights><rights>Springer-Verlag/Wien 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-170f54490cefc124ebcff9f156ac4cc40155be960bf6808a1315f55eb5cbf3a33</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14165188$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11676418$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>CHAI, Y. F</creatorcontrib><creatorcontrib>CHRISTENSEN, N. H</creatorcontrib><creatorcontrib>WILKS, C. R</creatorcontrib><creatorcontrib>MEERS, J</creatorcontrib><title>Characterisation of New Zealand isolates of infectious bursal disease virus</title><title>Archives of virology</title><addtitle>Arch Virol</addtitle><description>Isolates of infectious bursal disease virus (IBDV) were obtained from domestic poultry in New Zealand in 1997 and 1998. An in-vivo pathogenicity study carried out in specific pathogen free (SPF) chickens demonstrated the low virulence of one of the virus isolates. The nucleotide sequences of the hypervariable region of the VP2 gene of two isolates were determined and compared with published sequences of strains from other countries. The deduced amino acid sequence of the two New Zealand IBDV isolates showed 100% identity with each other, suggesting that little genetic drift had occurred. Phylogenetic analysis showed that the New Zealand isolates were more closely related to two attenuated IBDV strains (Cu1 and PBG98) than to classical (STC and 52/70), very virulent (DV86), variant (variant E) or Australian (002-73) strains. The results support the hypothesis that an attenuated strain of the virus was inadvertently introduced into the NZ poultry population in 1993.</description><subject>Amino Acid Sequence</subject><subject>Animal viral diseases</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Birnaviridae Infections - veterinary</subject><subject>Birnaviridae Infections - virology</subject><subject>Chickens</subject><subject>DNA, Complementary</subject><subject>Epidemiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Infectious bursal disease virus</subject><subject>Infectious bursal disease virus - genetics</subject><subject>Infectious bursal disease virus - isolation & purification</subject><subject>Infectious bursal disease virus - pathogenicity</subject><subject>Infectious diseases</subject><subject>Medical sciences</subject><subject>Microbiology</subject><subject>Molecular Sequence Data</subject><subject>New Zealand</subject><subject>Poultry Diseases - virology</subject><subject>Reverse Transcriptase Polymerase Chain Reaction</subject><subject>RNA, Viral - isolation & purification</subject><subject>Sequence Analysis, DNA</subject><subject>Viral diseases</subject><subject>Viral Structural Proteins - chemistry</subject><subject>Viral Structural Proteins - genetics</subject><subject>Virology</subject><subject>Virulence</subject><subject>VP2 gene</subject><issn>0304-8608</issn><issn>1432-8798</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNqF0U1LAzEQBuAgiq3Vo1dZEL2tJpvPPUrxC4te9OJlyaYTTNnu1syu4r83pQXRi5cMDA_DmxlCjhm9YJTqS0wPlZTpVMsdMmaCF7nRpdklY8qpyI2iZkQOEBeUpgaX-2TEmNJKMDMmD9M3G63rIQa0fejarPPZI3xmr2Ab286zgF1je8B1P7QeXEIDZvUQ0TbZPCBYhOwjxAEPyZ63DcLRtk7Iy8318_Qunz3d3k-vZrnj2vR5iuqlECV14B0rBNTO-9IzqawTzgnKpKyhVLT2ylBjGWfSSwm1dLXnlvMJOd_MXcXufQDsq2VAB03KCylbpYuiUIX-HzJd0kKURYKnf-CiG2KbPlGxJLQQSuik8o1ysUOM4KtVDEsbvxKq1seofh0j-ZPt1KFewvxHb7efwNkWWHS28dG2LuCPE0xJZgz_BrPskF4</recordid><startdate>200108</startdate><enddate>200108</enddate><creator>CHAI, Y. 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| subjects | Amino Acid Sequence Animal viral diseases Animals Biological and medical sciences Birnaviridae Infections - veterinary Birnaviridae Infections - virology Chickens DNA, Complementary Epidemiology Fundamental and applied biological sciences. Psychology Infectious bursal disease virus Infectious bursal disease virus - genetics Infectious bursal disease virus - isolation & purification Infectious bursal disease virus - pathogenicity Infectious diseases Medical sciences Microbiology Molecular Sequence Data New Zealand Poultry Diseases - virology Reverse Transcriptase Polymerase Chain Reaction RNA, Viral - isolation & purification Sequence Analysis, DNA Viral diseases Viral Structural Proteins - chemistry Viral Structural Proteins - genetics Virology Virulence VP2 gene |
| title | Characterisation of New Zealand isolates of infectious bursal disease virus |
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