Zhongxin Lu

Lanzhou Veterinary Research Institute, Kao-lan-hsien, Gansu Sheng, China

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Publications (5)6.88 Total impact

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    Asian Journal of Animal and Veterinary Advances 05/2013; 8(5):723-731. · 0.87 Impact Factor
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    ABSTRACT: Mycoplasma capricolum subsp. capripneumoniae is the causative agent of contagious caprine pleuropneumonia, a devastating disease of goats listed by the World Organization for Animal Health. Here we report the first complete genome sequence of this organism (strain M1601, a clinically isolated strain from China).
    Journal of bacteriology 11/2011; 193(21):6098-9. · 2.69 Impact Factor
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    ABSTRACT: To study the heterogeneity and immunogenic variability among Mycoplasma ovipneumoniae (M. ovipneumoniae) isolates from different regions of China. The heterogeneity of 17 strains of M. ovipneumoniae isolated from 8 regions of China was studied by the amplified fragment length polymorphism (AFLP) and sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). The software NTsys-2. 10e was used to analyze the profiles obtained from the AFLP and SDS-PAGE. The proteins reacted with the antiserum against M. ovipneumoniae type strain Y98 were then detected by Western-blot. Seventeen strains of M. ovipneumoniae were divided into 8 AFLP groups based on the source regions when the coefficient was 0.78. They were also divided into 8 SDS-PAGE groups based on the source regions when the coefficient was 0.85. A total of 6 immunogenic proteins were detected within 8 strains of M. ovipneumoniae, and their molecular weights were 105 kDa, 83 kDa, 65 kDa, 42 kDa, 40 kDa or 26 kDa, respectively. Interestingly, the 83 kDa and 40 kDa proteins were conserved in all the 8 isolates. M. ovipneumoniae isolates from some regions of China were genetically different, but the 83 kDa and 40 kDa antigenic proteins were conserved among the tested isolates. This study can provide some insights for the diagnosis and vaccine development of the disease caused by M. ovipneumoniae.
    ACTA MICROBIOLOGICA SINICA 10/2011; 51(10):1421-6.
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    ABSTRACT: The current study investigated an outbreak of mixed infection with Goatpox virus (GTPV), Orf virus (ORFV), and Mycoplasma capricolum subsp. capripneumoniae (MCCP) that occurred on a Chinese goat farm, with a case fatality rate of 60.2%. The observed clinical signs were ecthyma and accelerated respiration with frequent coughing. Specific fragments of the p32 gene of GTPV, B2L gene of ORFV, and 16S ribosomal RNA gene of MCCP were synchronously amplified by polymerase chain reaction (PCR) from the tissues of 12 dead goats. The PCR products were cloned, sequenced, and aligned with related reference sequences in GenBank for further identification of the pathogens. The present study reports a mixed infection with GTPV, ORFV, and MCCP in goats.
    Journal of veterinary diagnostic investigation: official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 07/2011; 23(4):786-9. · 1.23 Impact Factor
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    ABSTRACT: Orf virus (ORFV) is the etiological agent of contagious pustular dermatitis and is the prototype of the genus Parapoxvirus (PPV). It causes a severe exanthematous dermatitis that afflicts domestic and wild small ruminants. In the present study, an outbreak of proliferative dermatitis in farmed goats. The presence of ORFV in tissue scrapings from the lips was confirmed by B2L gene polymerase chain reaction (PCR) amplification. The molecular characterization of the ORFV was performed using PCR amplification, DNA sequencing and phylogenetic analysis of the B2L gene. The results of this investigation indicated that the outbreak was caused by infection with an ORFV that was closely related genetically to Nantou (DQ934351), which was isolated from the Tai wan province of China and Hoping (EU935106), which originated from South Korea in 2008. This is the first report of the phylogenetic analysis of ORFV from goats in China.
    Virology Journal 04/2010; 7:78. · 2.09 Impact Factor
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