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곽희진,계수경,곽희선,이경혜 동아시아식생활학회 2000 동아시아식생활학회지 Vol.10 No.4
To understand the effect of radish on growth of food born microorganisms, mashedflesh radishes were extracted by using acetone and distilled water. Their effect was assayed by measuring the optical density of cultural broth of food born microorganisms, In the experiment, seven strains of food born bacteria and one strain of yeast were used as the test organism. Acetone extract inhibited growth of the cells of L. plantarum, L. sake and Danmuji film yeast. Growth of the film yeast was drastically inhibited in the concomitant presence of 0.03% extract, while other microbes such as L. faecalis. P. pentosaceus, B. subtilis and E. coil grew by succeeding cultivation for 4 to 8 hours after addition of the extract. Water extract, on contrast to acetone extract, at the concentrations of 0.1~1.5% stimulated the growth of lactic acid bacteria, Culture of L. faecalis and L. sake showed an optical density higher than that of control by 40~50 times. The effect was not so apparent against E. coli, S. aureus and Danmuji film yeast.
鐵道騷音에 의한 影響과 實態에 關한 硏究 : 湖南線을 中心으로
이병윤,윤해동,곽광수,장영휴,김재수 順天靑巖大學 1998 論文集-順天靑巖大學 Vol.22 No.2
Rail noise and vibration is one of the major problem for the residents living nearby railway tracks. The rail noise may inflict a considerable damage to physiological, spiritual, mental and discomfort to neighboring peoples. Therefore, residents living nearby railway were appeal many troubles. Nevertheless, in our country, adequate guidelines for the rail noise are not yet established because of the lack of basic data and insufficient research works. In this point, this study attempts to surveys the influence of rail noise in urban area using questionnaire. This study also present a basic data in establishing effective plans for rail noise in the future.
2003년도 해양스포츠 체험활동을 통한 소아건강교실 사례 발표
김현준,이상엽,이가영,곽현,이남수,김혜선,김윤진,김인주,김용기,대한비만학회 부산분과학회 일동 대한비만학회 2003 The Korean journal of obesity Vol.13 No.4
부산에 소재한 3개 초등학교 청소년단체 소속의 초등하교 3학년부터 6학년까지 구성된 172명을 대상으로 청소년단체 지도자, 초등학교교사, 자원봉사자, 의사와 영양사가 1박 2일간의 해양스포츠 체험활동 을 통한 건강교실을 시행하였다. 대상자의 체질량지수, 체지방량을 측정하여 비만정도를 평가하였으며, 칼로리 섭취에 대한 강의를 시행하였고, 설문지 조사를 통해 대상자의 식이 섭취 습관에 대한 조사를 시행하였고, 본 건강교실에 대한 만족도를 측정하였다. 대상자중 남자에서는 40%, 여자에서는 25.69%에서 비만 경향을 보였다. 대상자의 대부분에서 시행된 건강교실에 긍정적 반응을 보였으며, 향후 체계적인 구성과 철저한 사전계획이 병행되어 본 증례 보고와 같은 건강교실을 시행한다면, 비만아동에서 거부감 없이 비만에 대한 교육을 실시할 수 있으며, 정상 체중 아동군에서도 비만에 대한 예방교육을 시행할 수 있는 프로그램이 될 것이다. 172 elementary school students involved this health program. This subjects were learened about obesity that affect health problem, ideal eating habits, calories that contained in the children's favorite foods by doctors and nutritionist. And this stubjects were checked heights, weight, body fat percent. Obesity is 40% in the boys and 25.69% in the girls. Most subjects were satisfactory with this health program. So we will effectively educate obese children without resistance and prevent normal weight children from obesity through structured and well-designed health program that similar to this program.
Kwak, Hae-Ryun,Kim, Jaedeok,Kim, Mi-Kyeong,Seo, Jang-Kyun,Jung, Mi-Nam,Kim, Jeong-Soo,Lee, Sukchan,Choi, Hong-Soo The Korean Society of Plant Pathology 2015 Plant Pathology Journal Vol.31 No.4
Sweet potatoes (Ipomea batatas L.) are grown extensively, in tropical and temperate regions, and are important food crops worldwide. In Korea, potyviruses, including Sweet potato feathery mottle virus (SPFMV), Sweet potato virus C (SPVC), Sweet potato virus G (SPVG), Sweet potato virus 2 (SPV2), and Sweet potato latent virus (SPLV), have been detected in sweet potato fields at a high (~95%) incidence. In the present work, complete genome sequences of 18 isolates, representing the five potyviruses mentioned above, were compared with previously reported genome sequences. The complete genomes consisted of 10,081 to 10,830 nucleotides, excluding the poly-A tails. Their genomic organizations were typical of the Potyvirus genus, including one target open reading frame coding for a putative polyprotein. Based on phylogenetic analyses and sequence comparisons, the Korean SPFMV isolates belonged to the strains RC and O with >98% nucleotide sequence identity. Korean SPVC isolates had 99% identity to the Japanese isolate SPVC-Bungo and 70% identity to the SPFMV isolates. The Korean SPVG isolates showed 99% identity to the three previously reported SPVG isolates. Korean SPV2 isolates had 97% identity to the SPV2 GWB-2 isolate from the USA. Korean SPLV isolates had a relatively low (88%) nucleotide sequence identity with the Taiwanese SPLV-TW isolates, and they were phylogenetically distantly related to SPFMV isolates. Recombination analysis revealed that possible recombination events occurred in the P1, HC-Pro and NIa-NIb regions of SPFMV and SPLV isolates and these regions were identified as hotspots for recombination in the sweet potato potyviruses.
Kwak, Hae-Ryun,Kim, Jaedeok,Kim, Mikyeong,Seo, Jang-Kyun,Kim, Jeong-Soo,Choi, Hong-Soo The Korean Society of Plant Pathology 2018 Plant Pathology Journal Vol.34 No.5
The Sweet potato chlorotic fleck virus (SPCFV), of the genus Carlavirus (family Betaflexiviridae), was first detected as one of several viruses infecting sweet potatoes (Ipomea batatas L.) in Korea. Out of 154 sweet potato samples collected in 2012 that were showing virus-like symptoms, 47 (31%) were infected with SPCFV, along with other viruses. The complete genome sequences of four SPCFV isolates were determined and analyzed using previously reported genome sequences. The complete genomes were found to contain 9,104-9,108 nucleotides, excluding the poly-A tail, containing six putative open reading frames (ORFs). Further, the SPCFV Korean isolates were divided into two groups (Group I and Group II) by phylogenetic analysis based on the complete nucleotide sequences; Group I and Group II had low nucleotide sequence identities of about 73%. For the first time, we determined the complete genome sequence for the Group II SPCFV isolates. The amino acid sequence identity in coat proteins (CP) between the two groups was over 90%, whereas the amino acid sequence identity in other proteins was less than 80%. In addition, SPCFV Korean isolates had a low amino acid sequence identity (61% CPs and 47% in the nucleotide-binding protein [NaBp] region) to that of Melon yellowing-associated virus (MYaV), a typical Carlavirus.
Kwak, Hae-Ryun,Lee, Hee Ju,Kim, Eun-A,Seo, Jang-Kyun,Kim, Chang-Seok,Lee, Sang Gyu,Kim, Jeong-Soo,Choi, Hong-Soo,Kim, Mikyeong The Korean Society of Plant Pathology 2018 Plant Pathology Journal Vol.34 No.6
Complete genome sequences of 22 isolates of Cucurbit aphid-borne yellows virus (CABYV), collected from melon plants showing yellowing symptom in Korea during the years 2013-2014, were determined and compared with previously reported CABYV genome sequences. The complete genomes were found to be 5,680-5,684 nucleotides in length and to encode six open reading frames (ORFs) that are separated into two regions by a non-coding internal region (IR) of 199 nucleotides. Their genomic organization is typical of the genus Polerovirus. Based on phylogenetic analyses of complete nucleotide (nt) sequences, CABYV isolates were divided into four groups: Asian, Mediterranean, Taiwanese, and R groups. The Korean CABYV isolates clustered with the Asian group with > 94% nt sequence identity. In contrast, the Korean CABYV isolates shared 87-89% sequence identities with the Mediterranean group, 88% with the Taiwanese group, 81-84% with the CABYV-R group, and 72% with another polerovirus, M.. Recombination analyses identified 24 recombination events (12 different recombination types) in the analyzed CABYV population. In the Korean CABYV isolates, four recombination types were detected from eight isolates. Two recombination types were detected in the IR and P3-P5 regions, respectively, which have been reported as hotspots for recombination of CABYV. This result suggests that recombination is an important evolutionary force in the genetic diversification of CABYV populations.
Hae-Ryun Kwak,Jaedeok Kim,Mikyeong Kim,Jang-Kyun Seo,Jeong-Soo Kim,Hong-Soo Choi 한국식물병리학회 2018 Plant Pathology Journal Vol.34 No.5
The Sweet potato chlorotic fleck virus (SPCFV), of the genus Carlavirus (family Betaflexiviridae), was first detected as one of several viruses infecting sweet potatoes (Ipomea batatas L.) in Korea. Out of 154 sweet potato samples collected in 2012 that were showing virus-like symptoms, 47 (31%) were infected with SPCFV, along with other viruses. The complete genome sequences of four SPCFV isolates were determined and analyzed using previously reported genome sequences. The complete genomes were found to contain 9,104-9,108 nucleotides, excluding the poly-A tail, containing six putative open reading frames (ORFs). Further, the SPCFV Korean isolates were divided into two groups (Group I and Group II) by phylogenetic analysis based on the complete nucleotide sequences; Group I and Group II had low nucleotide sequence identities of about 73%. For the first time, we determined the complete genome sequence for the Group II SPCFV isolates. The amino acid sequence identity in coat proteins (CP) between the two groups was over 90%, whereas the amino acid sequence identity in other proteins was less than 80%. In addition, SPCFV Korean isolates had a low amino acid sequence identity (61% CPs and 47% in the nucleotide- binding protein [NaBp] region) to that of Melon yellowing-associated virus (MYaV), a typical Carlavirus.