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271.

Pathotyping avian pathogenic Escherichia coli strains in Korea

Yong-Wun Jeong, Tae-Eun Kim, Jae-Hong Kim*, Hyuk-Joon Kwon* 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 5 145-152 (8 pages)

Yong-Wun Jeong, Tae-Eun Kim, Jae-Hong Kim*, Hyuk-Joon Kwon* 저
...
- 3,000원
To examine the genetic background of avian pathogenic Escherichia coli (APEC) that affects virulence of this microorganism, we characterized the virulence genes of 101 APEC strains isolated from infected chickens between 1985∼2005. Serotypes were determined with available anti-sera and median lethal doses were determined in subcutaneously inoculated chicks. The virulence genes we tested included ones encoding type 1 fimbriae (fimC), iron uptake-related (iroN, irp2, iucD, and fyuA), toxins (lt,...
272.

Molecular characterization of tetracycline- and quinolone-resistant Aeromonas salmonicida isolated in Korea

Ji Hyung Kim, Sun Young Hwang, Jee Soo Son, Jee Eun Han, Jin Woo Jun, Sang Phil Shin, Casiano Choresca Jr, Yun Jaie Choi, Yong H 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 7 41-48 (8 pages)

Ji Hyung Kim, Sun Young Hwang, Jee Soo Son, Jee Eun Han, Jin Woo Jun, Sang Phil Shin, Casiano Choresca Jr, Yun Jaie Choi, Yong H 저
...
- 3,000원
and sequenced. Among the quinolone-resistant A. salmonicida strains, 15 harbored point mutations in the gyrA codon 83 which were responsible for the corresponding amino acid substitutions of Ser→Arg or Ser→Asn. We detected no point mutations in other QRDRs, such as gyrA codons 87 and 92, and parC codons 80 and 84. Genetic similarity was assessed via pulsed-field gel electrophoresis, and the results indicated high clonality among the Korean antibiotic-resistant strains of A. salmonicida.
273.

Simultaneous detection and subtyping of porcine endogenous retroviruses proviral DNA using the dual priming oligonucleotide system

Hyoung-Joon Moon, Seong-Jun Park, Hye-Kwon Kim, Soo-Kyung Ann, Semi Rho, Hyun-Ok Keum, Bong-Kyun Park* 대한수의학회 Journal of Veterinary Science 3 Pages

대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 14 269-271 (3 pages)

Hyoung-Joon Moon, Seong-Jun Park, Hye-Kwon Kim, Soo-Kyung Ann, Semi Rho, Hyun-Ok Keum, Bong-Kyun Park* 저
...
- 1,500원
The purpose of this study was to develop a multiplex PCR that can detect porcine endogenous retrovirus (PERV) proviral genes (pol, envA, envB, envC) and porcine mitochondrial DNA, using a dual priming oligonucleotide (DPO) system. The primer specifically detected the PERV proviral genes pol, envA, envB, envC, and porcine mitochondrial DNA only in samples of pig origin. The sensitivity of the primer was demonstrated by simultaneous amplification of all 5 target genes in as little as 10 pg of pig...
274.

Antigenic and immunogenic investigation of the virulence motif of the Newcastle disease virus fusion protein

Kang-Seuk Choi*, Eun-Kyoung Lee, Woo-Jin Jeon, Jun-Hun Kwon 대한수의학회 Journal of Veterinary Science 7 Pages

대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 5 205-211 (7 pages)

Kang-Seuk Choi*, Eun-Kyoung Lee, Woo-Jin Jeon, Jun-Hun Kwon 저
...
- 3,000원
Newcastle disease (ND) caused by virulent Newcastle disease virus (NDV) is a highly contagious viral disease of poultry. Virulent NDVs characteristically have a multibasic amino acid sequence (virulence motif) such as RRQKRF at the cleavage site of the precusor fusion (F0) protein. The antigenic and immunogenic characteristics of the virulence motif RRQKRF in the F0 protein of virulent NDVs were investigated. Epitope mapping analysis revealed that a RRQKRF-specific monoclonal antibody 4G2...
275.

Production of specific antibodies against SARS-coronavirus nucleocapsid protein without cross reactivity with human coronaviruses 229E and OC43

Hyun-Kyoung Lee, Byoung-Hee Lee, Seung-Hyeok Seok, Min-Won Baek, Hui-Young Lee, Dong-Jae Kim, Yi-Rang Na, Kyoung-Jin Noh, Sung-H 대한수의학회 Journal of Veterinary Science 3 Pages

대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 12 165-167 (3 pages)

Hyun-Kyoung Lee, Byoung-Hee Lee, Seung-Hyeok Seok, Min-Won Baek, Hui-Young Lee, Dong-Jae Kim, Yi-Rang Na, Kyoung-Jin Noh, Sung-H 저
...
- 1,500원
Severe acute respiratory syndrome (SARS) is a life-threatening disease for which accurate diagnosis is essential. Although many tools have been developed for the diagnosis of SARS, false-positive reactions in negative sera may occur because of cross-reactivity with other coronaviruses. We have raised polyclonal and monoclonal antibodies (Abs) using a recombinant form of the SARS virus nucleocapsid protein. Cross-reactivity of these anti-SARS Abs against human coronavirus (HCoV) 229E and HCoV...
276.

Molecular identification of the vaccine strain from the inactivated oil emulsion H9N2 low pathogenic avian influenza vaccine

Jun-Gu Choi, Youn-Jeong Lee, Ji-Yeon Kim, Yeon-Hee Kim, Mi-Ra Paek, Dong-Kun Yang, Seong-Wan Son, Jae-Hong Kim 대한수의학회 Journal of Veterinary Science 3 Pages

대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 11 161-163 (3 pages)

Jun-Gu Choi, Youn-Jeong Lee, Ji-Yeon Kim, Yeon-Hee Kim, Mi-Ra Paek, Dong-Kun Yang, Seong-Wan Son, Jae-Hong Kim 저
...
- 1,500원
Korea since 2007. The Korean veterinary authority permitted the use of a single H9N2 LPAI vaccine strain to simplify the evolution of the circulating virus due to the immune pressure caused by the vaccine use. It is therefore important to determine the suitability of the vaccine strain in the final inactivated oil emulsion LPAI vaccine. In this study, we applied molecular rather than biological methods to verify the suitability of the vaccine strain used in commercial vaccines and successfully...
277.

Isolation and characterization of avian metapneumovirus from chickens in Korea

Ji-Sun Kwon, Hyun-Jeong Lee, Seung-Hwan Jeong, Jeong-Yong Park, Young-Ho Hong, Youn-Jeong Lee, Ho-Sik Youn, Dong-Woo Lee4, Sun-H 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 9 59-66 (8 pages)

Ji-Sun Kwon, Hyun-Jeong Lee, Seung-Hwan Jeong, Jeong-Yong Park, Young-Ho Hong, Youn-Jeong Lee, Ho-Sik Youn, Dong-Woo Lee4, Sun-H 저
...
- 3,000원
reported in Korea since 1992, this is the study isolating aMPV from chickens in this country. We examined 780 oropharyngeal swab or nasal turbinate samples collected from 130 chicken flocks to investigate the prevalence of aMPV and to isolate aMPV from chickens from 2004-2008. Twelve aMPV subtype A and 13 subtype B strains were detected from clinical samples by the aMPV subtype A and B multiplex real-time reverse transcription polymerase chain reaction (RRT-PCR). Partial sequence analysis of the...
278.

Experimental infection of chickens, ducks and quails with the highly pathogenic H5N1 avian influenza virus

Ok-Mi Jeong, Min-Chul Kim, Min-Jeong Kim, Hyun-Mi Kang, Hye-Ryoung Kim, Yong-Joo Kim, Seong-Joon Joh, Jun-Hun Kwon, Youn-Jeong L 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 8 53-60 (8 pages)

Ok-Mi Jeong, Min-Chul Kim, Min-Jeong Kim, Hyun-Mi Kang, Hye-Ryoung Kim, Yong-Joo Kim, Seong-Joon Joh, Jun-Hun Kwon, Youn-Jeong L 저
...
- 3,000원
A/chicken/Korea/IS/06. All the chickens and quails died on 3 days and 3-6 days post-inoculation (DPI), respectively, whilst the ducks only showed signs of mild depression. The uninoculated chickens and quails placed soon after with the inoculated flock died on 5.3 and 7.5 DPI, respectively. Both oropharyngeal and cloacal swabs were taken for all three species during various time intervals after inoculation. It was found that oropharyngeal swabs showed higher viral titers than in cloacal swabs...
279.

Protection of chickens from Newcastle disease with a recombinant baculovirus subunit vaccine expressing the fusion and hemagglutinin- neuraminidase proteins

Youn-Jeong Lee, Haan-Woo Sung, Jun-Gu Choi, Eun-Kyoung Lee, Hachung Yoon, Jae-Hong Kim, Chang-Seon Song 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 3호 11 301-308 (8 pages)

Youn-Jeong Lee, Haan-Woo Sung, Jun-Gu Choi, Eun-Kyoung Lee, Hachung Yoon, Jae-Hong Kim, Chang-Seon Song 저
...
- 3,000원
Recombinant baculoviruses containing the fusion (F) and hemagglutinin-neuraminidase (HN) glycoprotein gene of the viscerotropic velogenic (vv) Newcastle disease virus (NDV) isolate, Kr-005/00, and a lentogenic La Sota strain of the NDV were constructed in an attempt to develop an effective subunit vaccine to the recent epizootic vvNDV. The level of protection was determined by evaluating the clinical signs, mortality, and virus shedding from the oropharynx and cloaca of chickens after a...
280.

Seroprevalence of low pathogenic avian influenza (H9N2) and associated risk factors in the Gyeonggi-do of Korea during 2005-2006

Jong-Tae Woo, Bong Kyun Park* 대한수의학회 Journal of Veterinary Science 8 Pages

대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 6 161-168 (8 pages)

Jong-Tae Woo, Bong Kyun Park* 저
...
- 3,000원
Between November 2005 and March 2006, a total of 253 poultry flocks in the Gyeonggi-do of Korea were examined for seroprevalence against avian influenza (AI) using a hemagglutination inhibition (HI) test and an agar gel precipitation test. No low pathogenic avian influenza (LPAI) virus was isolated from 47 seropositive flocks that lacked clinical signs during sampling. The unadjusted percentage of seroprevalence rates of layer and broiler flocks were not significantly different, i.e., 26%...

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