• 제목/요약/키워드: S. minor

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Evaluation of Rhizobacterial Isolates for Their Antagonistic Effects against Various Phytopathogenic Fungi (식물 근권에서 분리한 미생물의 식물병원성 진균에 대한 길항효과 검정)

  • Kim, Yun Seok;Kim, Sang woo;Lamsal, Kabir;Lee, Youn Su
    • The Korean Journal of Mycology
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    • v.44 no.1
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    • pp.36-47
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    • 2016
  • This study was conducted to evaluate five different strains of rhizobacterial isolates viz. PA1, PA2, PA4, PA5 and PA12 for biological control against Colletotrichum acutatum, C. coccodes, C. gloeosporioides, C. dematium, Botrytis cinerea, Rhizoctonia solani, Sclerotinia minor and Fusarium sp. In vitro inhibition assay was performed on three different growth mediums, potato dextrose agar (PDA), tryptic soy agar (TSA), and PDA-TSA (1:1 v/v) for the selection of potential antagonistic isolates. According to the result, isolate PA2 showed the highest inhibitory effect with 65.5% against C. coccodes on PDA and with 96.5% against S. minor on TSA. However, the same isolate showed the highest inhibition with 58.5% against C. acutatum on PDA-TSA. In addition, an in vivo experiment was performed to evaluate these bacterial isolates for biological control against fungal pathogens. Plants treated with bacteria were analyzed with phytopathogens and plants inoculated with phytopathogens were treated with isolates to determine the biological control effect against fungi. According to the result, all five isolates tested showed inhibitory effects against phytopathogens at various levels. Mode of action of these rhizobacterial isolates was evaluated with siderophore production, protease assay, chitinase assay and phosphate solubilizing assay. Bacterial isolates were identified by 16S rDNA sequencing, which showed that isolates PA1 and PA2 belong to Bacillus subtilis, whereas, PA4, PA5, and PA12 were identified as Bacilus altitudinis, Paenibacillus polymyxa and Bacillus amyloliquefaciens, respectively. Results of the current study suggest that rhizobacterial isolates can be used for the plant growth promoting rhizobacteria (PGPR) effect as well as for biological control of various phytopathogens.

Effects of Kimchi Minor Ingredients on the Growth of Lactic Acid Bacteria (김치 부재료가 젖산균 생육에 미치는 영향)

  • Yi, Jin-Heui;Cho, Young;Hwang, In-Kyoung
    • Korean journal of food and cookery science
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    • v.11 no.5
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    • pp.511-520
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    • 1995
  • The growth extent of Leuconostoc mesenteroides and Lactobacillus plantarum in the medium which contain sterilized extract of each kimchi minor ingredient (green onion, garlic, ginger, raw red pepper, and red pepper powder) was examined. All minor ingredients decreased the growth of Lac. plantarum, and this effect of garlic is the most distinctive, ginger had the positive effect on the growth of Leu. mesenteroides, and garlic had the negative effect on the growth of Leu. mesenteroides. When the growth extent of two bacteria in the medium which contain sterilized successive extracts of each of garlic, ginger and red pepper powder was examined, the butanol fraction of garlic was reprsented the negative effect on the growth of Leu mesenteroides and Lac. plantarum, and the water fraction of ginger and red pepper powder were represented the positive effect on the growth of Leu. mesenteroides.

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A Modfication Study on Horizontal Earth Pressure in the Symmetrically Sloped Backfilled Space (대칭적으로 경사진 되메움된 공간에서의 수평토압에 대한 수정연구)

  • Moon, Chang-Yeul
    • Journal of the Korean GEO-environmental Society
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    • v.4 no.2
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    • pp.57-64
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    • 2003
  • Marston (1913) and Spangler's (1982) theory was widely used in the analysis of the earth pressure of the narrow and long excavated ditch type backfield ground. Their theory was more clearly explained by expressing the minor principle stress arch connecting the minor principle stress link induced by interaction between the excavated wall surface and the backfilled earth. which was done by R.L. Handy(1985). Later C.G. Kellogg(1993) extended the study from vertical symmetric to incline symmetric in the backfill space type research. In the C.G. Kellogg's study, it is assumed that the resistance of wall friction on the sloping wall could be replaced by the internal friction angle in the sloping section bottom. In the study, the resistance of wall friction in the sloping section bottom, which was applied by C.G. Kellogg, would be different in magnitude with the resistance of wall friction in sloping section. The magnitude is expected to affect in the earth pressure calculation and verified by the soil test box, the C.G. Kellogg's theory, the numerical analysis and the modified C.G. Kellogg's theory considering the friction resistance to influence the incline wall.

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Analysis and Quantitation of Di- and Trisaccharides in Native-bee Honeys Using Capillary Gas Chromatography (Capillary GC를 이용한 토종꿀중의 Disaccharides 와 Trisaccharides의 분석)

  • Kim, Eun-Seon;Rhee, Chong-Ouk
    • Korean Journal of Food Science and Technology
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    • v.27 no.4
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    • pp.605-611
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    • 1995
  • Carbohydrase enzymes in honey catalyze transglucosylation reactions which result in the formation of structurally similar oligosaccharides. These oligosaccharides make up a small portion of the total carbohydrates in honey. These minor oligosaccharides in native-bee honeys were identified and quantitated employing trimethylsilylation by capillary Gas Chromatography. The minor oligosaccharides found in honey were eight disaccharides and five trisaccharides. The main oligosaccharide components of honey were erlose, maltose, turanose and sucrose.

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Empirical Study on Relationship Between ex-ante Early Stage Venture Technology Innovation Power and ex-post Firm's Performance (초기 중소벤처의 기술혁신역량과 기업성과의 관계에 관한 연구)

  • Yang, Dong Woo
    • Knowledge Management Research
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    • v.7 no.1
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    • pp.49-63
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    • 2006
  • The objective of the study is to verify the discriminatory power of technology innovation in predicting Early Stage Ventures' success or failure. To accomplish this objective, we test early stage ventures'(Firm's period is below 3 years)technology innovation and performance. The result of the study is expected to be useful in loan evaluation, investment decision, internal management decision making and business improvement. The results of study is as follows. First, Early Stage Ventures' technology innovation power is composed of 4 major indexes(technology, marketability, manufacturing infra and economic feasibility). Second, we find that thirty-seven minor indexes are significant ex-ante variable which are discriminating between firms' success and failure in Early Stage Ventures. Also thirty-seven minor indexes explain 57.2% of the total variance. This explainable power of these indexes is similar to that of the existing 58 index elements. Finally, we find that the most important technology innovation power of Early Stage Ventures' is economic feasibility.

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Studies on the Oranization and Expression of tRNA Genes in Aspergillus nidulans (V) The Molecular Structure of $tRNA^{Arg}$ in Aspergillus nidulans (Aspergillus nidulans의 tRNA유전자의 구조와 발현에 관한 연구 V Aspergillus nidulansd의 $tRNA^{Arg}$ 분자구조)

  • 이병재;강현삼
    • Korean Journal of Microbiology
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    • v.24 no.2
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    • pp.79-85
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    • 1986
  • We have determined the sequence of $tRNA^{Arg}$ of A. nidulans partially by enzymatic rapid RNA sequencing technique. The sequence was 5'GGCCGGCUGGCCCAAXUGGCAAGGXUCUGAXUACGAAXCAGGAGAUUGCACXXXXXGAGCXXUXXGUCGGUCACCA3' The cloverleaf structure was made from above data. As a result, the anticodon sequence was identified as ACG. This result was confirmed with charging test. The complete sequence was proposed by supplementing the DNA sequence to and by assigning the position of minor bases to this RNA sequence.

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Acupuncture for chronic post-thoracotomy pain in a patient with major chest trauma: A case report

  • Kim, Kun Hyung;Cho, Hyun Min
    • Journal of Acupuncture Research
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    • v.34 no.1
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    • pp.81-87
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    • 2017
  • Objectives : Chronic post-thoracotomy pain is a refractory condition that responds poorly to existing pain treatments. The aim of this report is to describe favorable symptom changes in a patient with chronic post-thoracotomy pain after major chest trauma who received a series of manual acupuncture treatments over 3 months. Methods : Twelve sessions of manual acupuncture were provided to the patient, once or twice a week. Results : The manual acupuncture sessions were well tolerated. Minor adverse events, including temporary minor bleeding at the needled sites, were intermittently observed. The patient's symptoms, including pain, sleep disturbance, and anxiety gradually resolved and had almost completely disappeared after 12 sessions of acupuncture treatment. Conclusion : This single case report cannot confirm whether the observed positive changes in the patient's symptoms and dysfunctions are associated with the acupuncture treatments. Randomized controlled trials are necessary to explore the role of acupuncture in chronic post-thoracotomy pain in patients with major chest trauma.

Acute cardiovascular complications in patients with diabetes and hypertension: management consideration for minor oral surgery

  • Jadhav, Ajinath Nanasaheb;Tarte, Pooja Raosaheb
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.45 no.4
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    • pp.207-214
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    • 2019
  • Objectives: Medically compromised patients often fear required dental surgical procedures that can increase the risk of medical emergency when combined with reduced tolerance for stress. A stress reduction protocol (SRP) helps doctors minimize treatment-related stress and improves patient management with minimum complications. Diabetes and co-morbid hypertension carry 4-fold risk of aggravation of cardiovascular emergencies and 7.2-fold risk of mortality. Diabetic neuropathy can result in difficult diagnosis of myocardial infarction and reduces chances of surviving a myocardial infarction compared with a non-diabetic person. The aim of the study was to assess the feasibility of a protocol for management of patients having both diabetes and hypertension who required minor oral surgery to minimize the rate of cardiovascular emergencies. Materials and Methods: A prospective study was conducted in 140 patients having both diabetes and hypertension who required minor oral surgical procedures. A systematic approachable protocol was designed for management of such patients. Results: Among 140 patients, 6 patients (4.3%) had cardiovascular complications, while 3 patients (1 with syncope and 2 with hypertension) did not require any intervention other than observation. Two patients were managed with aspirin and nitroglycerin, and 1 patient had possible myocardial infarction (overall incidence 0.7%) with chest pain, S-T segment elevation on electrocardiogram, and troponin level of 0.60 ng/mL. Conclusion: The proposed protocol helps to improve management of patients having both diabetes and hypertension. We recommend that patients with uncontrolled diabetes and uncontrolled hypertension and/or patients having history of cardiovascular complication should be treated in a medical facility with a readily available cardiology unit. This facilitates prompt response to emergency and instant implementation of treatment, helping to reduce morbidity and mortality.

The Effects of Muscle Energy Technique on the Shoulder Complex Range of Motion and Posture Alignment of Female College Students in their Twenties with a Round Shoulder (근에너지기법이 둥근어깨를 가진 20대 여대생의 어깨복합체 가동성과 자세정렬에 미치는 영향)

  • Im, Gyeong-eun;Jeong, Yeon-woo;Seo, Tae-hwa
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.27 no.2
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    • pp.17-25
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    • 2021
  • Background: The purpose of this study is to investigate basic data about the effects of muscle energy technique on the shoulder complex range of motion and posture alignment in the round shoulder posture. Methods: The subjects included 15 women that gave consent to participate in the study voluntarily. They performed the muscle energy technique for 30 minutes twice. The round shoulder posture was measured with a straight edge ruler. The shoulder complex range of motion was measured with the apley scratch test. The forward head posture was measured with ImageJ. The pectoralis minor muscle length was measured with a tape measure. Results: There were statistically significant differences in the round shoulder posture both right and left (p<.05). The experiment group showed statistically significant differences in the pectoralis minor muscle length (p<.05). There were significant differences in the shoulder complex range of motion including flexion, left lateral flexion, right lateral flexion, left side bending, and right side bending (p<.05), but no significant differences were found in extension (p>.05). The forward head posture showed significant differences in CVA changes (p<.05) and no significant differences in CRA changes (p>.05). Conclusion: These findings demonstrate that the muscle energy technique relaxed muscles around the shoulders and increased the shoulder complex range of motion. The technique is also expected to prevent pain in the neck and shoulders and lower injury risk. In conclusion, the muscle energy technique can be applied as an effective intervention for round shoulder posture.

Structure Elucidation of Minor Organic Constituents from Polyozellus multiflex (까치버섯 (Polyozellus multiflex)이 생산하는 미량 유기화합물의 화학구조)

  • Hwang, Ji-Sook;Ryu, Jong-Ha;Gu, Gyo-Cheol;Kwak, Ju-Yeon;Kim, Sang-In;Yoo, Ick-Dong;Song, Kyung-Sik
    • The Korean Journal of Mycology
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    • v.26 no.4 s.87
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    • pp.519-524
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    • 1998
  • Four minor compounds were isolated from fruiting bodies of Polyozellus multiflex by consecutive chromatographic separation. Their structures were identified as ergost-4,6,8,22-tetraen-3-one, 4-methoxy-6-methyl-2H-pyran-2-one, p-anisic acid, and p-hydroxybenzoic acid by spectral analysis. They could not inhibit prolyl endopeptidase nor acetylcholine esterase at the concentration up to 100 ppm.

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