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Virology, 2018
Immunity against Marek's disease (MD), caused by Gallid herpesvirus 2 (GaHV-2), in chickens is mediated by both innate and adaptive responses. The present study evaluated the effects of GaHV-2 infection on distribution and frequency of γδ T cells in tissues, as well as their expression of cytokines. We found that the infected chickens had significantly
Adrianna M S, Laursen +5 more
openaire +2 more sources
Immunity against Marek's disease (MD), caused by Gallid herpesvirus 2 (GaHV-2), in chickens is mediated by both innate and adaptive responses. The present study evaluated the effects of GaHV-2 infection on distribution and frequency of γδ T cells in tissues, as well as their expression of cytokines. We found that the infected chickens had significantly
Adrianna M S, Laursen +5 more
openaire +2 more sources
Virus Genes, 2015
During the course of our continuous surveillance of Gallid herpesvirus 2 (GaHV-2), 44 isolates were obtained from GaHV-2-positive chickens of different flocks in China from 2009 to 2013. The meq gene, considered as a major GaHV-2 oncogene, was sequenced and was found to contain an open reading frame of 1020 nucleotides encoding a 339 amino acid (aa ...
Yan-Ping, Zhang +11 more
openaire +2 more sources
During the course of our continuous surveillance of Gallid herpesvirus 2 (GaHV-2), 44 isolates were obtained from GaHV-2-positive chickens of different flocks in China from 2009 to 2013. The meq gene, considered as a major GaHV-2 oncogene, was sequenced and was found to contain an open reading frame of 1020 nucleotides encoding a 339 amino acid (aa ...
Yan-Ping, Zhang +11 more
openaire +2 more sources
Virus Genes, 2012
Marek's disease (MD) is a neoplastic and neurodegenerative disease of chickens, which is caused by the Gallid herpesvirus type 2 (GaHV-2). Although vaccination has been used widely in China, MD still occurs frequently. Some molecular epidemiologic studies have shown that Chinese GaHV-2 isolates seem to constitute a separate clade from strains isolated ...
Yun, Cheng +6 more
openaire +2 more sources
Marek's disease (MD) is a neoplastic and neurodegenerative disease of chickens, which is caused by the Gallid herpesvirus type 2 (GaHV-2). Although vaccination has been used widely in China, MD still occurs frequently. Some molecular epidemiologic studies have shown that Chinese GaHV-2 isolates seem to constitute a separate clade from strains isolated ...
Yun, Cheng +6 more
openaire +2 more sources
Archives of Virology, 1997
The nucleotide sequence of 10.6 kilobase pairs (kbp) at the leftterminus of infectious laryngotracheitis virus (ILTV) SA-2 vaccine strain was determined. Several features were elucidated, including, 102 base pair (bp) inverted repeats separated by 750 bp of unique sequence which contains an NF-1 binding site indicating that the terminal may be a site ...
M A, Johnson +4 more
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The nucleotide sequence of 10.6 kilobase pairs (kbp) at the leftterminus of infectious laryngotracheitis virus (ILTV) SA-2 vaccine strain was determined. Several features were elucidated, including, 102 base pair (bp) inverted repeats separated by 750 bp of unique sequence which contains an NF-1 binding site indicating that the terminal may be a site ...
M A, Johnson +4 more
openaire +2 more sources
Avian Diseases, 2013
Herpesvirus replication within host cells results in concatemeric genomic DNA, which is cleaved into unit-length genomes and packaged into the capsid by a complex of proteins. The sites of cleavage have been identified for many herpesviruses, and conserved signaling sequences involved in cleavage and packaging have been characterized.
Jeremy D, Volkening, Stephen J, Spatz
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Herpesvirus replication within host cells results in concatemeric genomic DNA, which is cleaved into unit-length genomes and packaged into the capsid by a complex of proteins. The sites of cleavage have been identified for many herpesviruses, and conserved signaling sequences involved in cleavage and packaging have been characterized.
Jeremy D, Volkening, Stephen J, Spatz
openaire +2 more sources
Vaccine, 2017
Gallid herpesvirus 2 (GaHV-2) continuously evolves, which reduces the effectiveness of existing vaccines. To construct new GaHV-2 candidate vaccines, LMS, which is a virulent GaHV-2 field strain isolated from diseased chicken flocks in Southwest China in 2007, was modified such that both copies of its meq oncogene were partially deleted.
Yanping, Zhang +8 more
openaire +2 more sources
Gallid herpesvirus 2 (GaHV-2) continuously evolves, which reduces the effectiveness of existing vaccines. To construct new GaHV-2 candidate vaccines, LMS, which is a virulent GaHV-2 field strain isolated from diseased chicken flocks in Southwest China in 2007, was modified such that both copies of its meq oncogene were partially deleted.
Yanping, Zhang +8 more
openaire +2 more sources
Virus Genes, 2008
Marek's disease (MD) is the leading cause of losses in chicken production in the world. Over the past 40 years significant progress has been made in the control of MD through the use of vaccines which reduce or delay tumor formation in vaccinated flocks. However, these vaccines fail to induce an immune response that protects against infection and virus
Stephen J, Spatz +3 more
openaire +2 more sources
Marek's disease (MD) is the leading cause of losses in chicken production in the world. Over the past 40 years significant progress has been made in the control of MD through the use of vaccines which reduce or delay tumor formation in vaccinated flocks. However, these vaccines fail to induce an immune response that protects against infection and virus
Stephen J, Spatz +3 more
openaire +2 more sources
Archives of Virology, 1995
A 4.8 kilobase segment located at the left-terminal in the unique long (UL) region of infectious laryngotracheitis virus (ILTV) SA-2 strain contained three open reading frames (ORFs). The first of 421 amino acids (aa) was located at map units 0.065 to 0.07, and its predicted 48 kiloDaltons (kDa) protein product has significant homology to the immediate
M A, Johnson +4 more
openaire +2 more sources
A 4.8 kilobase segment located at the left-terminal in the unique long (UL) region of infectious laryngotracheitis virus (ILTV) SA-2 strain contained three open reading frames (ORFs). The first of 421 amino acids (aa) was located at map units 0.065 to 0.07, and its predicted 48 kiloDaltons (kDa) protein product has significant homology to the immediate
M A, Johnson +4 more
openaire +2 more sources
Veterinary Microbiology, 2019
The prevalence of Marek's disease (MD) caused by Gallid herpesvirus-2 (GaHV-2) has been increasing in chickens in China despite universal vaccination. Among the possible reasons for this trend, of Reticuloendotheliosis virus (REV) contamination in vaccines could lead to co-infection and reduce the vaccine efficacy.
Yanping, Zhang +13 more
openaire +2 more sources
The prevalence of Marek's disease (MD) caused by Gallid herpesvirus-2 (GaHV-2) has been increasing in chickens in China despite universal vaccination. Among the possible reasons for this trend, of Reticuloendotheliosis virus (REV) contamination in vaccines could lead to co-infection and reduce the vaccine efficacy.
Yanping, Zhang +13 more
openaire +2 more sources
Journal of Virological Methods, 2009
Marek's disease virus serotype 2 (Gallid herpesvirus 3) is a non-pathogenic alphaherpesvirus belonging to the Mardivirus genus, used widely in live vaccines against Marek's disease. Although the complete genome sequence of the MDV-2 strain HPRS-24 has been published, very little is known about the gene functions.
Lawrence, Petherbridge +6 more
openaire +2 more sources
Marek's disease virus serotype 2 (Gallid herpesvirus 3) is a non-pathogenic alphaherpesvirus belonging to the Mardivirus genus, used widely in live vaccines against Marek's disease. Although the complete genome sequence of the MDV-2 strain HPRS-24 has been published, very little is known about the gene functions.
Lawrence, Petherbridge +6 more
openaire +2 more sources