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식물(植物) 병원성(病源性) 미생물(微生物)에 미치는 Pseudomonas fluorescens, KR-164의 영향(影響)
이영환,김영일,이재평,김용웅,김용재,이재와,Rhee, Young-Hwan,Kim, Yeong-Yil,Lee, Jae-Pyeong,Kim, Yong-Wong,Kim, Yong-Jae,Lee, Jae-Wha 한국토양비료학회 1990 한국토양비료학회지 Vol.23 No.1
The antagonistic fluorescent pseudomonas, which was isolated from continuous cropping rhizosphere of pepper and cucumber, was identified as Pseudomonas fluorescens (P.f.). For further study, transformant was derived from the isolated P.f. after spontaneous mutation to give antibiotic resistance to nalidixic acid and rifampicin as marked strain. Both P.f. and transformant strains were used for this study and the results obtained were summarized as follows. 1. One of the most effective antagonistic strain, KR164, was selected against F. solani, F. oxysporum, R. solani and this strain was identified and classified as Pseudomonas fluorescens biotype IV. 2. Transformant, KR1641, was derived from strain KR164 and both strains had the same biological and biochemical characteristics. 3, Mycelial lysis and abnormal mycelia of plant pathogenic fungi were microscopically observed after simultaneous culture of fungus and given bacterial strain. 4. The length of chinese cabbage to the autolyzed became longer with given bacterial strain in dark culture. 5. Percentage of germination, number of leaves, length of height, and length of root in chinese cabbage in pot experiment were improved by inoculation of given bacterial strain. 6. The number of given bacterial strain kept generally stable until 34 days after inoculation of itself in pot experiment. Inoculation of given bacterial strain did affect the number of plant disease fungi to be decreased but did not affect the number of other bacteria, Bacillus, in pot experiment. 고추, 오이 등의 시설원예(施設園藝) 연작토양(連作土壤)에서 토양전염성(土壤傳染性) 식물병원균(植物病院菌)에 길항력(拮抗力)을 갖는 Pseudomonas fluorescens를 분리(分離), 동정(同定)하고 이 균주(菌株)를 nalidixic acid와 rifampicin에 내성을 갖는 spontaneus multant를 유도(誘導)하여 표식균주(標識菌株)를 만들었다. 이들 표식균주(標識菌株)와 모균주(母菌株)의 생화학적 특성(特性), 병원성 사장균(絲狀菌)에 대한 길항력(拮抗力), 암소배양(暗所培養), 작물(作物) pot 실험(實驗) 결과(結果)를 요약(要約)하면 다음과 같다. 1. 고추, 오이 등의 시설원예(施設園藝) 연작지(連作地) 토양(土壤)에서 형광성(螢光性) Pseudomonas를 분리(分離)하여 Rhizoctonia solani, Fusrium oxysporum, Fusarium solani에 생육(生育) 저해력(沮害力)이 우수한 KR-164를 선발(選拔)하고 이들의 분류학적(分類學的) 성질(性質)을 검토(檢討)한 결과(結果) Pseudomonas fluorescens biotype IV로 분류(分類), 동정(同定)하였다. 2. KR-164에서 표식균주(標識菌株)인 KR-1641 변이주(變異株)를 유도하였고, 이들 표식균주(標識菌株)와 모균주(母菌株)의 생화학적(生化學的) 성질(性質)은 동일(同一)하였다. 3. 분리균주(分離菌株)와 식물(植物) 병원성 사장균(絲狀菌)을 대치배양(對置培養)하여 검경한 결과(結果) 여러 형태(形態)의 균사이장(異狀)이 관찰(觀察)되었다. 4. 분리균주(分離菌株)를 배추 암소배양(暗所培養)에 처리(處理)한 결과(結果) 무처리구(無處理區)에 비해 생육기간(生育其間)이 현저하게 연장(延長) 되었다. 5. 분리균주(分離菌株)의 접종(接種)이 대조구(對照區)와 사장균(絲狀菌) 접종구(接種區)에 비해 배추의 발아율(發芽率) 및 엽수, 초장, 근장 등의 생육(生育)을 향상(向上)시켰다. 6. 토양(土壤)에 접종(接種)된 표식균주(標識菌株)는 접종(接種) 35일까지 안정(安定)하였으나 병원성 사장균(絲狀菌)은 현저하게 감소(減少)하였고, 표식균주(標識菌株)는 근권(根圈) 유용미생물(有用微生物)의 생육(生育)에 뚜렷한 영향(影響)을 미치지 않았다.
근권 길항세균 Pseudomonas fluorescens KR164 에 Bacillus thuringiensis HD - 1 유전자의 삽입과 발현
김영일,이영환,강흔수 한국농화학회 1992 Applied Biological Chemistry (Appl Biol Chem) Vol.35 No.4
The plasmids pSUPBT and pSUPBTR were constructed with a vector pSUP2021 and the BT toxin gene in the plasmid pES 1. The plasmids constructed were introduced into the antagonistic rhizobacteria P. fluorescens KR164 by conjugation and P. fluoyescens having pSUPBT and pSUPBTR were named P. fluorescens KR164(pSUPBT) # 2, KR164(pSUPBT) # 3, KR164(pSUPBTR) # 2 and KR164(pSUPBTR) # 3, respectively. The BT toxin gene were identified in all transformants by Southern hybridization and the final product of BT toxin gene was identified only in P. fluorescens KR164(pSUPBTR) # 3 by SDS-PAGE. This crystal toxin protein were also observed in electron microscopy.
3차원 스캐닝 모델과 2차원 이미지의 레지스트레이션과 텍스쳐 맵핑
김영웅,김영일,전차수,박세형 한국경영과학회 2003 한국경영과학회 학술대회논문집 Vol.- No.1(1)
This paper presents a texture mapping method of a 3D scanned model with 2D images from different views. The texture mapping process consists of two steps: Registration of the 3D facet model to the images by interactive points matching, and 3D texture mapping of the image pieces to the corresponding facets. In this paper, some implementation issues and illustrative examples are described.