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본문검색 결과만 보기
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Improvement of hEGF Production with Enhanced Cell Division Ability Using Dissolved Oxygen Responses to Pulse Addition of Tryptone
Zheng. Zhi-Yong, Yao. Shan-Jing, Zhan. Xiaobei, Lin. Chi Chung 한국생물공학회 Biotechnology and bioprocess engineering 8 Pages
한국생물공학회 Biotechnology and bioprocess engineering 2009, Vol.14 No.1 52-59 (8 pages)
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Pathogenic and phylogenetic characteristics of non-O157 Shiga toxin-producing Escherichia coli isolates from retail meats in South Korea
June Bong Lee, Dalmuri Han, Hyung Tae Lee, Seon Mi Wi, Jeong Hoon Park, Jung-woo Jo, Young-Jae Cho, Tae-Wook Hahn, Sunjin Lee, B 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 11 251-259 (9 pages)
Herein, we report the pathogenic and phylogenetic characteristics of seven Shiga toxin (Stx)-producing Escherichia coli (STEC) isolates from 434 retail meats collected in Korea during 2006 to 2012. The experimental analyses revealed that all isolates (i) were identified as non-O157 STEC, including O91:H14 (3 isolates), O121:H10 (2 isolates), O91:H21 (1 isolate), and O18:H20 (1 isolate), (ii) carried diverse Stx subtype genes (stx1, stx2c, stx2e, or stx1 + stx2b) whose expression levels varied... -
Immunization of BALB/c mice with Brucella abortus 2308ΔwbkA confers protection against wild-type infection
Zhi-qiang Li, Dan Gui, Zhi-hua Sun, Jun-bo Zhang, Wen-zhi Zhang, Hui Zhang, Fei Guo, Chuang-fu Chen 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 10 467-473 (7 pages)
Brucellosis is a zoonotic disease that causes animal and human diseases. Vaccination is a major measure for prevention of brucellosis, but it is currently not possible to distinguish vaccinated animals from those that have been naturally infected. Therefore, in this study, we constructed the Brucella (B.) abortus 2380 wbkA mutant (2308ΔwbkA) and evaluated its virulence. The survival of 2308ΔwbkA was attenuated in murine macrophage (RAW 264.7) and BALB/c mice, and it induced high protective... -
Development of a multiplex PCR assay to detect Edwardsiella tarda, Streptococcus parauberis, and Streptococcus iniae in olive flounder (Paralichthys olivaceus)
Seong Bin Park, Kyoung Kwon, In Seok Cha, Ho Bin Jang, Seong Won Nho, Fernand F. Fagutao, Young Kyu Kim, Jong Earn Yu, Tae Sung 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 1호 19 163-166 (4 pages)
A multiplex PCR protocol was established to simultaneously detect major bacterial pathogens in olive flounder (Paralichthys olivaceus) including Edwardsiella (E.) tarda, Streptococcus (S.) parauberis, and S. iniae. The PCR assay was able to detect 0.01 ng of E. tarda, 0.1 ng of S. parauberis, and 1 ng of S. iniae genomic DNA. Furthermore, this technique was found to have high specificity when tested with related bacterial species. This method represents a cheaper, faster, and reliable... -
In vitro toxicity of melamine against Tetrahymena pyriformis cells
Zhengfang Wang, Liben Chen, Rashad Al-Kasir, Bo Han* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 5 27-34 (8 pages)
This study assessed the toxicity of melamine against the unicellular eukaryotic system of Tetrahymena (T.) pyriformis exposed to 0, 0.05, 0.25, 0.5, 2.5, and 5 mg/mL of melamine. Cell growth curves of different cultures, the half maximum inhibition concentration (IC50) value of melamine, and morphological changes in cells were obtained via optical and transmission electron microscopic observation. The effects of eleven melamine concentrations, 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5 and 5... -
Development of a universal plate-agglutination test for detecting Haemophilus parasuis
Dingqian Guo, Cheng Tang, Quan Hai, Guoqing Shao, Hua Yue* 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 4호 13 355-357 (3 pages)
Due to the serovar diversity in Haemophilus (H.) parasuis, it is difficult to develop a universal serological method for detection of this pathogen. Here, we report a universal plate-agglutination test for detecting H. parasuis. Diagnostic antisera were prepared by mixing antisera of serovars 4, 5, 12, 13 and 14 in the optimized ratio. The results of the plate-agglutination test showed that the diagnostic antisera could agglutinate with all 15 reference strains of H. parasuis and 74/75 clinical... -
Detection of Escherichia coli O157 and Escherichia coli O157:H7 by the immunomagnetic separation technique and stx1 and stx2 genes by multiplex PCR in slaughtered cattle in Samsun Province, Turkey
G?khan Inat*, Belgin Siriken 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 4호 7 321-326 (6 pages)
This study was conducted to investigate the presence of Escherichia (E.) coli O157 and E. coli O157:H7 and stx1 and stx2 genes on cattle carcasses and in rectal samples collected from Samsun Province of Turkey. A total of 200 samples collected from cattle carcasses and the rectal contents of 100 slaughtered cattle from two commercial abattoirs were tested using the immunomagnetic separation technique and multiplex PCR methods. E. coli O157 and E. coli O157:H7 were detected in 52 of the 200... -
Development and evaluation of a multiplex PCR assay for simultaneous detection of Flavobacterium psychrophilum, Yersinia ruckeri and Aeromonas salmonicida subsp. salmonicida in culture fisheries
Ertan Emek Onuk, Alper Ciftci*, Arzu Findik, Yuksel Durmaz 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 9 235-241 (7 pages)
Bacterial cold water disease, enteric red mouth disease and frunculosis are the common bacterial diseases of fish worldwide. The etiologic agents of these diseases are Flavobacterium (F.) psychrophilum, Yersinia (Y.) ruckeri and Aeromonas (A.) salmonicida subsp. salmonicida, respectively. In this study, a multiplex polymerase chain reaction (m-PCR) method with YER8/10-Fer3/4-FP1/3 primer pairs which can identify these fish pathogens simultaneously was developed and optimized. In optimized... -
Antimutagenic and anticarcinogenic effect of methanol extracts of Petasites japonicus Maxim leaves
Hwan-Goo Kang, Sang-Hee Jeong*, †, Joon-Hyoung Cho 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 8 51-58 (8 pages)
The methanol extract from the leaves of Petasites japonicus Maxim (PJ) was studied for its (anti-)mutagenic effect with the SOS chromotest and reverse mutation assay. The (anti-)carcinogenic effects were evaluated by the cytotoxicity on human cancer line cells and by the function and the expression of gap junctions in rat liver epithelial cell. PJ extracts significantly decreased spontaneous β-galactosidase activity and β-galactosidase activity induced by a mutagen, ICR, in Salmonella (S.)... -
In vivo morphological and antigenic characteristics of Photobacterium damselae subsp. piscicida
Tae S. Jung*, Kim D. Thompson, Donatella Volpatti, Marco Galeotti, A. Adams 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 7 169-176 (8 pages)
The present study was conducted to examine the morphology and antigenicity of Photobacterium damselae subsp. piscicida by culturing the bacterium in vivo in the peritoneal cavity of sea bass (Dicentrarchus labrax) within dialysis bags with either a low molecular weight (LMW) cut-off of 25 kDa or a high molecular weight (HMW) cut-off of 300 kDa. Differences were observed in the growth rate between the bacteria cultured in vivo or in vitro. Bacteria cultured in vivo were smaller and produced a... -
Variation in the molecular weight of Photobacterium damselae subsp. piscicida antigens when cultured under different conditions in vitro
Tae S. Jung, Kim D. Thompson, Donatella Volpatti, Marco Galeotti, A. Adams 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 3호 9 255-261 (7 pages)
media [tryptone soya broth (TSB), glucose-rich medium (GRM), iron-depleted TSB (TSB + IR-), and iron-depleted GRM (GRM + IR-)] was compared by enzyme-linked immunosorbent assay (ELISA) and Western blot analysis using sera obtained from sea bass (Dicentrarchus labrax) raised against live or heat-killed Ph. d. subsp. piscicida. The antigenic expression of Ph. d. subsp. piscicida was found to differ depending on the culture medium used. A significantly higher antibody response was obtained with... -
Experimental evaluation of pathogenicity of Lactococcus garvieae in black rockfish (Sebastes schlegeli)
Sung-hyun Kang, Gee-wook Shin, Yong-seung Shin, Palaksha K. J., Young-rim Kim, Hyang-hee Yang, Eun-young Lee, Eung-goo Lee, Nam- 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 4호 15 387-390 (4 pages)
Black rockfish (Sebastes schlegeli) is an important mariculture species in Korea. The production of this fish is drastically declined due to bacterial diseases, particularly streptococcosis caused by Lactococcus garvieae. The bacterial surface characteristics of SJ7 and TY6 were found to have capsule but not NB13 and YS18. The experiential evaluation of L. garvieae pathogenicity, the capsular isolates showed high cumulative mortality i.e. SJ7 (100%) and TY6 (60%) compared to non-capsular... -
Characterization and localization of the unique Marek's disease virus type 2 ORF873 gene product
Hyung-Kwan Jang 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 4 207-213 (7 pages)
Studies on Marek’s disease virus (MDV)-unique genes are important for understanding the biological nature of the virus. Based on complete DNA sequence analyses of the MDV genomes, the MDV genomes contain presumably at least five MDV-unique genes, which are commonly conserved among the three MDV serotypes. A recombinant baculovirus that contains the MDV serotype 2 (MDV2)-unique gene, ORF873, under the polyhedrin promoter was constructed and designated rAcORF873. Polyclonal and monoclonal... -
Prevalence and antimicrobial resistance of Salmonella spp. and Escherichia coli isolated from ducks in Korea
Hyobi Kim , Jiyoung Lee , Yangho Jang , Byungjoon Chang , Aeran Kim , Nonghoon Choe 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 5 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2016, 제 56권 제 2호 5 91-95 (5 pages)
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Chlorpromazine의 유전적 안전성에 관한 연구
김한규, 손윤희, 이광헌, 윤태호, 남경수 대한신경정신의학회 신경정신의학 9 Pages
대한신경정신의학회 신경정신의학 2000, 제 39권 제 3호 14 629-637 (9 pages)
연구목적： 항 정신성약물로 사용빈도가 높은 chlorpromazine을 사용하여 이 약물의 돌연변이원성과 유전독성을 알 아보았다. 방 법： Bacillus subtilis을 사용한 DNA손상성검토(rec assay), Salmonella typhimurium을 이용한 돌연변이원 성실험(Ames test 및 SOS umu test) 그리고 생쥐에 chlorpromazine를 직접 주입하여 대사 후에 돌연변이 원성을 확인하는 host-mediated assay법을 각각 사용하였다. 결 과： Rec assay에서 chlorpromazine은 Bacillus subtilis의 DNA에는 별다른 영향을 미치지 않았으며, Salmonella typhomurium TA... -
Antagonistic and Plant Growth-Promoting Effects of Bacillus velezensis BS1 Isolated from Rhizosphere Soil in a Pepper Field
Jong-Hwan Shin, Byung-Seoung Park, Hee-Yeong Kim, Kwang-Ho Lee, Kyoung Su Kim 한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 10 307-314 (8 pages)
Pepper (Capsicum annuum L.) is an important agricul- tural crop worldwide. Recently, Colletotrichum scovillei, a member of the C. acutatum species complex, was re- ported to be the dominant pathogen causing pepper an- thracnose disease in South Korea. In the present study, we isolated bacterial strains from rhizosphere soil in a pepper field in Gangwon Province, Korea, and assessed their antifungal ability against C. scovillei strain KC05. Among these strains, a strain named BS1 significantly... -
Preparation of Nanomaterial Wettable Powder Formulations of Antagonistic Bacteria from Phellodendron chinense and the Biological Control of Brown Leaf Spot Disease
Yanling Zeng, Han Liu, Tianhui Zhu, Shan Han, Shujiang Li 한국식물병리학회 The Plant Pathology Journal 17 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 2 215-231 (17 pages)
Brown leaf spot disease caused by Nigrospora guilin- ensis on Phellodendron chinense occurs in a large area in Dayi County, Chengdu City, Sichuan Province, China each year. This outbreak has severely reduced the production of Chinese medicinal plants P. chinense and caused substantial economic losses. The bacterial isolate JKB05 was isolated from the healthy leaves of P. chinense, exhibited antagonistic effects against N. guilinensis and was identified as Bacillus megaterium. The following... -
Proteomic and Phenotypic Analyses of a Putative Glycerol-3-Phosphate Dehydrogenase Required for Virulence in Acidovorax citrulli
Minyoung Kim, Jongchan Lee, Lynn Heo, Sang Jun Lee, Sang-Wook Han 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 1호 3 36-46 (11 pages)
Acidovorax citrulli (Ac) is the causal agent of bacterial fruit blotch (BFB) in watermelon, a disease that poses a serious threat to watermelon production. Because of the lack of resistant cultivars against BFB, virulence factors or mechanisms need to be elucidated to control the disease. Glycerol-3-phosphate dehydrogenase is the enzyme involved in glycerol production from glucose during glycolysis. In this study, we report the functions of a putative glycerol-3-phosphate dehydrogenase in Ac... -
A LysM Domain-Containing Protein LtLysM1 Is Important for Vegetative Growth and Pathogenesis in Woody Plant Pathogen Lasiodiplodia theobromae
Dulanjalee Lakmali Harishchandra, Wei Zhang, Xinghong Li, Kandawatte Wedaralalage Thilini Chethana, Kevin David Hyde, Siraprapa Brooks, Jiye Yan, Junbo Peng 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 3 323-334 (12 pages)
Lysin motif (LysM) proteins are reported to be necessary for the virulence and immune response suppression in many herbaceous plant pathogens, while far less is documented in woody plant pathogens. In this study, we preliminarily characterized the molecular function of a LysM protein LtLysM1 in woody plant pathogen Lasiodiplodia theobromae. Transcriptional profiles revealed that LtLysM1 is highly expressed at infectious stages, especially at 36 and 48 hours post inoculation. Amino acid sequence... -
A Histone Deacetylase, MoHDA1 Regulates Asexual Development and Virulence in the Rice Blast Fungus
Taehyun Kim, Song Hee Lee, Young Taek Oh, Junhyun Jeon 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 2 314-322 (9 pages)
Interplay between histone acetylation and deacetylation is one of the key components in epigenetic regulation of transcription. Here we report the requirement of Mo- HDA1-mediated histone deacetylation during asexual development and pathogenesis for the rice blast fungus, Magnaporthe oryzae. Structural similarity and phylogenetic analysis suggested that MoHDA1 is an ortholog of Saccharomyces cerevisiae Hda1, which is a representative member of class II histone deacetylases. Targeted deletion of... -
Characterization of Type VI Secretion System in Xanthomonas oryzae pv. oryzae and Its Role in Virulence to Rice
Yeounju Choi, Namgyu Kim, Mohamed Mannaa, Hongsup Kim, Jungwook Park, Hyejung Jung, Gil Han, Hyun-Hee Lee, Young-Su Seo 한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 3호 9 289-296 (8 pages)
Type VI secretion system (T6SS) is a contact-dependent secretion system, employed by most gram-negative bacteria for translocating effector proteins to target cells. The present study was conducted to investigate T6SS in Xanthomonas oryzae pv. oryzae (Xoo), which causes bacterial blight in rice, and to unveil its functions. Two T6SS clusters were found in the genome of Xoo PXO99A. The deletion mutants, Δhcp1, Δhcp2, and Δhcp12, targeting the hcp gene in each cluster, and a double-deletion... -
Screening and Application of Bacillus Strains Isolated from Nonrhizospheric Rice Soil for the Biocontrol of Rice Blast
Yuexia Sha, Qingchao Zeng, Shuting Sui 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 3호 4 231-243 (13 pages)
Rice blast, caused by Magnaporthe oryzae, is one of the most destructive rice diseases worldwide. The aim of this study was to screen bacterial isolates to efficiently prevent the occurrence of rice blast. A total of 232 bacterial isolates were extracted from nonrhizospheric rice soil and were screened for antifungal activity against M. oryzae using a leaf segment assay. Strains S170 and S9 showed significant antagonistic activity against M. oryzae in vitro and in leaf disk assays, and... -
A Synergistic Effect of Chitosan and Lactic Acid Bacteria on the Control of Cruciferous Vegetable Diseases
Yu-Chen Lin, Kuang-Ren Chung, Jenn-Wen Huang 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 2호 5 157-169 (13 pages)
Two lactic acid bacteria (LAB) designated J02 and J13 were recovered from fermented vegetables based on their ability to suppress soft rot disease caused by Pectobacterium carotovorum subsp. carotovorum (Pcc) on radish. J02 and J13 were identified as Lactobacillus pentosus and Leuconostoc fallax, respectively. The abil- ity of J02 and J13 to suppress plant diseases is highly dependent on chitosan. LAB alone has no effect and chitosan alone has only a moderate effect on disease reduction.... -
Characterization of Antibacterial Strains against Kiwifruit Bacterial Canker Pathogen
Min-Jung Kim, Dae-Han Chae, Gyeongjun Cho, Da-Ran Kim, Youn-Sig Kwak 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 8 473-485 (13 pages)
Kiwifruit (Actinidia spp.) is an economically important crop and a bacterial canker disease, caused by Pseudomonas syringae pv. actinidiae (Psa), is the most destructive disease in kiwifruit production. Therefore, prevent and control of the disease is a critical issue in kiwifruit industry worldwide. Unfortunately, there is no reliable control methods have been developed. Recently, interest in disease control using microbial agents is growing. However, kiwifruit microbiota and their roles in the... -
Cyclic Dipeptides from Bacillus vallismortis BS07 Require Key Components of Plant Immunity to Induce Disease Resistance in Arabidopsis against Pseudomonas Infection
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 4호 6 402-409 (8 pages)
Cyclic dipeptides (CDPs) are one of the simplest compounds produced by living organisms. Plant-growth promoting rhizobacteria (PGPRs) also produce CDPs that can induce disease resistance. Bacillus vallismortis strain BS07 producing various CDPs has been evaluated as a potential biocontrol agent against multiple plant pathogens in chili pepper. However, plant signal pathway triggered by CDPs has not been fully elucidated yet. Here we introduce four CDPs, cyclo(Gly-L-Pro) previously identified... -
Biological Control of Bacterial Fruit Blotch of Watermelon Pathogen (Acidovorax citrulli) with Rhizosphere Associated Bacteria
한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 2호 9 170-183 (14 pages)
Bacterial fruit blotch (BFB), which is caused by Acidovorax citrulli, is a serious threat to watermelon growers around the world. The present study was conducted to screen effective rhizobacterial isolates against 35 different A. citrulli isolates and determine their efficacy on BFB and growth parameters of watermelon. Two rhizobacterial isolates viz. Paenibacillus polymyxa (SN-22), Sinomonas atrocyanea (NSB-27) showed high inhibitory activity in the preliminary screening and were further... -
Feasible Management of Southern Corn Leaf Blight via Induction of Systemic Resistance by Bacillus cereus C1L in Combination with Reduced Use of Dithiocarbamate Fungicides
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 5호 12 481-488 (8 pages)
Dithiocarbamate fungicides such as maneb and mancozeb are widely used nonsystemic protectant fungicides to control various plant fungal diseases. Dithiocarbamate fungicides should be frequently applied to achieve optimal efficacy of disease control and avoid either decline in effectiveness or wash-off from leaf surface. Dithiocarbamates are of low resistance risk but have the potential to cause human neurological diseases. The objective of this study was to develop a strategy to effectively... -
Biocontrol of Late Blight (Phytophthora capsici) Disease and Growth Promotion of Pepper by Burkholderia cepacia MPC-7
한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 1호 8 67-76 (10 pages)
A chitinolytic bacterial strain having strong antifungal activity was isolated and identified as Burkholderia cepacia MPC-7 based on 16S rRNA gene analysis. MPC- 7 solubilized insoluble phosphorous in hydroxyapatite agar media. It produced gluconic acid and 2-ketogluconic acid related to the decrease in pH of broth culture. The antagonist produced benzoic acid (BA) and phenylacetic acid (PA). The authentic compounds, BA and PA, showed a broad spectrum of antimicrobial activity against yeast,... -
Virulence Attenuation of Pectobacterium carotovorum Using N-Acyl-homoserine Lactone Degrading Bacteria Isolated from Potato Rhizosphere
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 5 242-248 (7 pages)
Several soil bacteria were found to degrade N-Acylhomoserine lactones (NAHLs), thereby interfering with the bacterial quorum sensing system. In this research, fifteen strains of NAHL degrading rhizobacteria were isolated from potato rhizosphere. Based on phenotypic characteristics and 16S rDNA sequence analyses, the strains were identified as members of genera Bacillus, Streptomyces, Arthrobacter, Pseudomonas and Mesorhizobium. All tested isolates were capable to degrade both synthetic and... -
Occurrence of Burkholderia glumae on Rice and Field Crops in Korea
한국식물병리학회 The Plant Pathology Journal 2 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 3호 11 271-272 (2 pages)
Burkholderia glumae causes bacterial rice grain rot and bacterial wilt on many field crops. We developed a simple diagnostic streak method for the isolation of B. glumae from diseased plant material. The geographical distribution of 178 Korean isolates shows that B. glumae is widely spread in South Korea. -
2015?2019년 국내 과수 화상병 발생
함현희, 이영기, 공현기, 홍성준, 이경재, 오가람, 이미현, 이용환 한국식물병리학회 식물병연구 7 Pages
한국식물병리학회 식물병연구 2020, 26권 4호 4 222-228 (7 pages)
과수 화상병을 일으키는 Erwinia amylovora는 국내에서 금지병원균으로 지정되어 화상병 발생 시, 중앙 정부의 진단을 근거로 기주를 매몰하는 공적 방제가 실시되고 있다. 국내 과수 화상병은 2015년 안성, 천안 및 제천의 43농가에서 발생하여 42.9 ha를 매몰한 것을 시작으로, 2019년 발생 지역이 11개 시군으로확산되었으며, 총 348농가 260.4 ha가 매몰되었다. 배나무 화상병은 주로 경기남부와 충남에서 발생되었고, 발생 건수가 연평균 29±9.2건으로 매년 비교적 고르게 발생되었으며 20-30년생 과수에서 발병 비율이 가장... -
박테리오신을 분비하는 비병원성 돌연변이주에 의한 무름병 방제 효과
노은정, 이승돈, 허성기 한국식물병리학회 식물병연구 5 Pages
한국식물병리학회 식물병연구 2010, 16권 2호 6 136-140 (5 pages)
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Colletotrichum gloeosporioides에 대한 Bacillus licheniformis IUB066-22의 항진균활성
김혜영, 이혜자, 김남정 한국보건기초의학회 한국보건기초의학회지 9 Pages
한국보건기초의학회 한국보건기초의학회지 2013, Vol.6 No.2 8 101-109 (9 pages)
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일반세균 및 안질환세균에 대한 콘택트렌즈 관리용액의 항균활성
한선희, 김봉환 한국보건기초의학회 한국보건기초의학회지 5 Pages
한국보건기초의학회 한국보건기초의학회지 2011, Vol.4 No.1 2 6-10 (5 pages)
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Electrochemical synthesis of nanosized hydroxyapatite/graphene composite powder
Vesna Mi?kovi?-Stankovi?, Sanja Erakovi?, Ana Jankovi?, Maja Vuka?inovi?-Sekuli?, Miodrag Mitri?, Young Chan Jung, Soo Jin Park, Kyong 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.4 2 233-240 (8 pages)
Electrochemical synthesis was employed to prepare a novel hydroxyapatite/graphene (HAP/ Gr) composite powder suitable for medical applications as a hard tissue implant (scaffold). The synthesis was performed in a homogeneous dispersion containing Na2H2EDTA·2H2O, NaH2PO4 and CaCl2 with a Ca/EDTA/PO4 3? concentration ratio of 0.25/0.25/0.15M, along with 0.01 wt% added graphene nanosheets, at a current density of 137 mA cm?2 and pH value of 9.0. The field emission scanning electron microscopy and... -
자생 자란의 발아생태와 유식물 생육에 미치는 당과 첨가물의 영향
조근호, 안영희 한국환경생태학회 한국환경생태학회지 7 Pages
한국환경생태학회 한국환경생태학회지 2000, Vol.14 No.3 205-211 (7 pages)
본연구는 조경소재로 이용가능성이 크지만 현재 자생지가 파괴되어 복원이 요구되고 있는 야생자란의 대량번식을 위해 무균배양시 배지 내 담함량의 변화와 펩톤, 트립톤 등의 첨가가 종자발아와 계대배양 후 유식물의 생육에 미치는 영향을 알아보고자 실시하였다. 배지 내 펩톤과 트립톤의 첨가는 발아에 영향을 주지는 않았지만, 당의 함량은 그 농도가 10g/L까지 증가함에 따라 발아율을 높였다. 또한 발아 후 유식물의 생육시 당의 첨가는 뿌리의 생육을 두드러지게 향상시켰으며, 생체중도 거의 2~3배정도 많았다. 하이포넥스... -
황산화 세균 Thiobacillus sp. UIW-6 변이주의 성장 최적화
신승용, 강선철, Shin. Seung-Yong, Kang. Sun-Chul 한국환경농학회 한국환경농학회지 5 Pages
한국환경농학회 한국환경농학회지 2006, Vol.25 No.2 124-128 (5 pages)
최적성장 조건을 조사하였다. 변이주 UIW-6의 특성을 조사한 결과 최적조건은 pH 6.5, 배양온도는 $35^{circ}C$이었으며, 회전속도는 200 rpm 이었다. 황 화합물인 sodium thiosulfate 농도가 50 mM에서 변이주 UIW-6는 6시간째에 공시균주 IW보다 성장정도가 2배 더 빨랐다. 변이주 UIW-6의 성장 최적 탄소원은 fructose와 sucrose였으며 질소원은 yeast extract> tryptone> peptone 순으로 이용하였다. 변이주 UIW-6는 공시균주로 사용한 IW 보다 성장이 빨라 황 화합물 악취 제거에 효과적으로 이용할 수 있는 유용한 변이주로... -
Bacillus subtilis IJ-31에서 Hydrocinnamic Acid 생산을 위한 최적배양조건
주길재, 김영목, 이오석, 김정웅, 김원찬, 송경식, 윤성준, 김진호, 이인구, Joo. Gil-Jae, Kim. Young-Mog, Lee. Oh-Seuk, Kim. Joung-Woong, Kim. Won-Chan, Song. Kyung-Sik, Yoon 한국응용생명화학회 한국응용생명화학회지 5 Pages
한국응용생명화학회 한국응용생명화학회지 2005, Vol.48 No.3 207-211 (5 pages)
IJ-31이 생산하는 HCA의 최적생산조건을 검토하였다. HCA생산 최적조건으로 탄소원은 1%의 미강, 질소원은 0.5% tryptone, 무기염은 0.1% $ZnCl_2$, 배양 온도는 $37^{circ}C$, 배양시간은 60시간, pH는 7.0에서 $90.5;{mu}g/ml$의 HCA를 생산하였으므로 이를 최적생산조건으로 확립하였다. 이를 바탕으로 통계프로그램(SAS) 중 반응표면 분석법(RSM)을 이용한 jar fermentor 배양에서의 HCA 최적생산 조건을 확립하였다. 즉 토양추출물 2.24% 첨가, 교반속도 290 ppm, tryptone 0.83% 첨가, 배양온도 $37^{circ}C$, 배양시간 60시간, pH... -
키토산분해효소 생산을 위한 Bacillus sp. P16 배양조건의 최적화
정미라, 조유영, 지연태, 박노동, Jung. Mi-Ra, Jo. Yu-Young, Chil. Youn-Tae, Park. Ro-Dong 한국응용생명화학회 한국농화학회지 6 Pages
한국응용생명화학회 한국농화학회지 1999, Vol.42 No.3 193-198 (6 pages)
키토산분해효소를 분비하는 세균 Bacillus sp. P16의 최적배양조건을 조사하였다. 키토산분해효소 생산을 위한 최적 탄소원은 0.5%분말 키토산이었으며, 최적 질소원은 1% tryptone이었다. 최적온도는 $37^{circ}C$였으며, 최적 초기 pH는 7.0이었다. 이 조건에서 $60{sim}$72시간 배양하였을 때 효소 생산이 최고에 도달하였으며, 효소활성은 약 30% 증가하였다. 이를 발효조에서 배양하면 $6{sim}$12시간 배양으로 최대활성에 도달하였으며, 효소 생산은 약 100% 증가하였다. -
한국 재래 간장에서 분리한 Scopulariopsis brevicaulis가 생성하는 ${alpha}-galactosidase$의 특성 및 작용양상
최광수, 이선호, 홍승표, 이희덕, 배두경, 최청, Choi. Kwang-Soo, Lee. Seon-Ho, Hong. Seung-Pyo, Lee. Hee-Duck, Bae. Du-Kyung, Choi. Cheong 한국응용생명화학회 한국농화학회지 7 Pages
한국응용생명화학회 한국농화학회지 1998, Vol.41 No.7 489-495 (7 pages)
한국 재래 간장으로부터 분리한 Scopulariopsis brevicaulis가 생성하는 ${alpha}-galactosidase$의 최적 생산조건은 tryptone 1.5%, $NH_4NO_3$ 0.2%, raffinose 2.5%, $KH_2PO_4$ 0.5%, yeast extract 0.5%, pH 7.0, $27^{circ}C$에서 3일간 배양 했을 때였다. ${alpha}-galactosidase$의 최적 pH는 7.0, 최적온도는 $27^{circ}C$였으며, $pH;6.0{sim}8.0$범위와 $40^{circ}C$이하에서 안정하였다. $Ag^{2+},;Hg^{2+},;Cu^{2+}$ 등의 금속이온 및 p-chloromercuribenzoic acid, Iodine에 의해 강하게 저해되어 본 효소의... -
식물(植物) 병원류(病源惟) 사상균(絲狀菌)에 길항력(拮抗力)을 갖는 Serratia marcescens CK-3의 분리(分離) 및 효소적(酵素的) 성질(性質)
김영일, 이영환, 김광식, 박화성, 전우복, 이재화, 김종현, Kim. Yeong-Yil, Rhee. Young-Hwan, Kim. Kwang-Sik, Park. Hwa-Sung, Chun. Woo-Bock, Lee. Jae-Wha, Kim. Jong- 한국응용생명화학회 한국농화학회지 7 Pages
한국응용생명화학회 한국농화학회지 1991, Vol.34 No.1 54-60 (7 pages)
axysporum과 Rhizoctomia (R) solani에 대해 길항력은 갖고 있었으며 효소적으로 chitinase 외에 laminarinase 및 protease 등의 활성을 가지고 있었다. 선발 균주의 chitinase 생산 최적조건은 chitin broth 기본배지의 조성과 온도 및 배양시간을 변형하여 조사한 결과 colloidal chitin 1.5%, tryptone 0.5%, glucose 1%, peptone 0.2%, $MgSO_4{cdot}7H_2O;0.1%,;K_2HPO_4;0.1%,;NaCl;0.1%$ (w/v), pH 6.8 배지에서 $30^{circ}C$, 72시간 배양하였을 때이었으며 효소의 in vitro 최적 활성조건은 pH 7.5, $50^{circ}C$이었다. 한편... -
Effect of Non-animal-Derived Nitrogen Sources on the Production of Hyaluronic Acid by Streptococcus sp. KL0188
Lee. Gil-Yong, Ha. Suk-Jin, Jung. Jong-Hyun, Seo. Dong-Ho, Park. Jong-Yul, Kim. Su-Rin, Park. Nam-Woo, Kweon. Dong-Keon, Park. Sang-Hoo, 한국응용생명화학회 Journal of the Korean Society for Applied Biological Chemistry 7 Pages
한국응용생명화학회 Journal of the Korean Society for Applied Biological Chemistry 2009, Vol.52 No.3 283-289 (7 pages)
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동치미에서 분리한 Lactobacillus sp. FF-3가 생산하는 bacteriocin의 최적 생산조건
박진철, 차재영, 권오창, 조영수 한국식품저장유통학회 한국식품저장유통학회지 6 Pages
한국식품저장유통학회 한국식품저장유통학회지 2003, Vol.10 No.4 554-559 (6 pages)
1%, beef extract 1%, yeast extract 0.5%, glucose 2%, polysorbate 80 0.1%, ammonium citrate 0.2%, sodium acetate 0.5%, magnesium sulfate 0.01%, manganese sulfate 0.005%, dipotassium phosphate 0.2%) 배지를 기본으로 하여 21시간 배양한 결과, 배양온도는 30∼37$^{circ}C$, 초기 pH는 7.0 으로 확인되었다. 최적 생산배지조성으로 탄소원은 glucose 3%, 질소원은 tryptone 4%, 무기염류는 manganese sulfate 0.005%가 bacteriocin 생성에 최적 조성으로 나타났으며, 최적 배지상에서 항균활성은 최대 484 BUf/mL로 나타났다. -
동치미에서 분리된 Lactobacillus plantarum K11의 박테리오신 생산에 영향을 미치는 배양 조건
임성미, 이군자, 박선미, 임동순, Lim. Sung-Mee, Lee. Gun-Ja, Park. Sun-Mee, Im. Dong-Soon 한국식품위생안전성학회 한국식품위생안전성학회지 8 Pages
한국식품위생안전성학회 한국식품위생안전성학회지 2008, Vol.23 No.2 113-120 (8 pages)
활성이 2배 이상 증가하였으나, galactose 1.0%, fructose 1.0% 및 maltose 1.5% 이상 첨가 시에는 대조구 보다 오히려 활성이 감소되었다. 질소원은 0.5%의 beef extract나 tryptone 혹은 0.5와 1.0%의 peptone이나 yeast extract에 의해 대조구와 동일한 활성을 나타내었으나, 그 이상의 농도로 첨가했을 때에는 활성이 감소되었다. 또한 NaCl 0.5%와 $K_2HPO_4$ 0.5% 첨가한 경우 박테리오신의 활성이 대조구보다 2배 증가한 반면, NaCl 2.0%, $K_2HPO_4$ 2.0% 이상, $MgSO_4{cdot}7H_2O$ 1.5% 이상 및 $MnSO_4{cdot}H_2O$ 1.0% 이상을... -
V. parahaemolyticus에 의한 Alkaline Pretense 생산조건(1)
양지영, 한종흔, 강현록, 황미경, 차재호 한국식품위생안전성학회 한국식품위생안전성학회지 3 Pages
한국식품위생안전성학회 한국식품위생안전성학회지 2000, Vol.15 No.2 176-178 (3 pages)
skim milk농도, NaCl농도, 금속이온의 종류를 조사하였다. 질소원인 peptone, tryptone, casamino acid, ski milk, phyton peptone중에서는 skim milk에서 활성이 월등히 높게 나타났고, skim milk의 농도에 따른 실험에서는 2%일 때 활성이 가장 높게 나타났다. NaCl의 농도에 따른 실험에서는 0%일 때 활성이 가장 높았고 농도가 높아질수록 활성이 낮아졌다. 금속이온에 따른 활성을 보면 금속이온이 들어가지 않았을 때 활성이 가장 높게 나타났고, 금속이온을 첨가하므로써 활성이 급격히 떨어졌다. 또한 CoCl$_2$, CuCl$_2$, HgCl가...
