http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김설희,Moonsuk Hur,서재화,우찬진,왕승준,박응로,황종경,안인정,조성덕,Jeong-Hwa Shin,Seung-Do Yu,최경희,이동훈,Chang-Seon Song 대한수의학회 2016 Journal of Veterinary Science Vol.17 No.3
Nineteen highly pathogenic avian influenza (HPAI) H5N8 viruses were isolated from wild birds in the Donglim reservoir in Gochang, Jeonbuk province, Korea, which was first reported to be an outbreak site on January 17, 2014. Most genes from the nineteen viruses shared high nucleotide sequence identities (i.e., 99.7% to 100%). Phylogenetic analysis showed that these viruses were reassortants of the HPAI H5 subtype and the H4N2 strain and that their hemagglutinin clade was 2.3.4.4, which originated from Eastern China. The hemagglutinin protein contained Q222 and G224 at the receptor-binding site. Although the neuraminidase protein contained I314V and the matrix 2 protein contained an S31N substitution, other mutations resulting in oseltamivir and amantadine resistance were not detected. No substitutions associated with increased virulence and enhanced transmission in mammals were detected in the polymerase basic protein 2 (627E and 701D). Non-structural-1 was 237 amino acids long and had an ESEV motif with additional RGNKMAD amino acids in the C terminal region. These viruses caused deaths in the Baikal teal, which was unusual, and outbreaks occurred at the same time in both poultry and wild birds. These data are helpful for epidemiological understanding of HPAI and the design of prevention strategies.
First detection of West Nile virus in domestic pigeon in Korea
김경설,Hanseul Oh,송주하,Moonsuk Hur,Jae-Hwa Suh,정원화,Jong-Taek Kim,Hong-Shik Oh,Jae-Hak Park 대한수의학회 2016 Journal of Veterinary Science Vol.17 No.4
West Nile virus (WNV) is a mosquito-borne zoonotic pathogen that has spread throughout Europe and the United States. Recently, WNV spreadto East and Southeast Asia, and great efforts have been made in South Korea to prevent the spread of WNV from neighboring countries. Inthis study, we diagnosed the first case of WNV in pigeons (Columba livia domestica) residing in cities using a competitive enzyme-linkedimmunosorbent assay and confirmed it with nested reverse transcription polymerase chain reaction analysis and sequencing. This is the firstreport to provide convincing evidence that WNV is present within South Korea.
Myung-Suk Kang,Moonsuk Hur,Soo-Je Park 한국미생물학회 2019 The journal of microbiology Vol.57 No.7
Molecular analysis based on large-scale sequencing of the plant microbiota has revealed complex relationships between plants and microbial communities, and environmental factors such as soil type can influence these relationships. However, most studies on root-associated microbial communities have focused on model plants such as Arabidopsis, rice or crops. Herein, we examined the microbiota of rhizocompartments of two native plants, Sedum takesimense Nakai and Campanula takesimana Nakai, using archaeal and bacterial 16S rRNA gene amplicon profiling, and assessed relationships between environmental factors and microbial community composition. We identified 390 bacterial genera, including known plant-associated genera such as Pseudomonas, Flavobacterium, Bradyrhizobium and Rhizobium, and uncharacterized clades such as DA101 that might be important in root-associated microbial communities in bulk soil. Unexpectedly, Nitrososphaera clade members were abundant, indicating functional association with roots. Soil texture/type has a greater impact on microbial community composition in rhizocompartments than chemical factors. Our results provide fundamental knowledge on microbial diversity, community and correlations with environmental factors, and expand our understanding of the microbiota in rhizocompartments of native plants.
Surveillance of avian influenza virus from wild bird feces by using DNA barcoding
Chanjin Woo,Jeonghwa Shin,Seolhee Kim,Su Kil Lee,Moonsuk Hur,Hyen Mi Chung,Jae-Hwa Suh 한국조류학회II 2014 한국조류학회지 Vol.21 No.1
Analysis of fecal samples using DNA barcoding provides highly accurate and rapid avian influenza virus (AIV) surveillance, as well as host species identification. Does the revised text suitably convey the intended meaning? Please check and clarify.First, amplification of the cytochrome oxidase I (COI) DNA barcoding region by using PCR was optimized using fecal samples from wild birds (n = 170) collected from six natural habitats. After optimization, 2,143 fecal samples were collected from migratory bird habitats between December 2010 and February 2011. The M (matrix) and NP (nucleoprotein) genes of AIV were detected in the samples by using one-step RT-PCR. AIV viral sequences were detected in 93 fecal samples, and DNA barcoding was subsequently used to identify the bird species from 52 AIV-positive samples. The results of this study suggest that wild bird fecal samples can be utilized to predict the distribution of AIV in South Korean wild bird habitats, and that DNA barcoding can be used to identify the host species. Surveillance of AIV-infected birds will also increase the efficiency of high pathogenicity AIV monitoring.
Kim Geumhee,Lee Jiho,양효주,이윤영,Yang Yoonyong,Choi Sungho,Hur Moonsuk,Lee Byounghee,조경숙 한국미생물·생명공학회 2022 한국미생물·생명공학회지 Vol.50 No.4
본 연구에서는 토양, 담수 및 염수 퇴적물, 슬러지 등 8종의 접종원을 이용하여 배양인자(기질종류, 염농도, 배양온도)에 따른 바이오수소 생산 잠재능을 평가하고 최적조건을도출하고자 하였다. 각 접종원 별 바이오수소 생산속도는 배양온도와 접종원 종류에 의해 유의한 영향을 받았다. 반면기질종류와 염농도는 바이오수소 생산속도에 대체로 유의한영향을 끼치지 않았다. 고온(50°)보다 중온(37℃)의 배양 온도가 수소 생산에 더 적합하였으며, 8종의 접종원 중에서 중에서는 혐기소화슬러지의 수소 생산능이 가장 우수하였다. 혐기소화슬러지의 최대 수소 생산속도는 중온(37℃)과 고온(50℃)에서 각각 2,729.0 및 1,384.7 ml-H2·l-1·d-1였다.