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연구보문 : 자연과학 ; 유전자변형 작물에 대한 농업인들의 인식과 재배의도
이범규 ( Bum Kyu Lee ),김경자 ( Kyug Ja Kim ),라누리 ( Nu Ri Ra ),이근표 ( Keun Pyo Lee ),권순종 ( Soon Jong Kweon ),조현석 ( Hyun Suk Cho ),류태훈 ( Tae Hun Ryu ) 한국국제농업개발학회 2014 韓國國際農業開發學會誌 Vol.26 No.1
유전자변형생물체(Genetically Modified Organisms, GMOs)는 식량, 환경, 에너지부족 등 인류가 직면하고 있는 각종 문제점을 해결하기 위한 대안으로 그 개발 및 이용이 가속화되고 있다. 특히 몇몇 국내 개발 GM 작물은 안전성평가 단계에 있어서 조만간 실용화될 것으로 전망되고 있다. GMO에 대한 일반인들의 인식조사 연구는 대부분 소비자를 대상으로 진행 되어왔으며 실제 GM 작물이 상업화되었을 때 이를 재배할 경작자에 대한 인식조사 연구는 부족한 실정이다. 본 연구에서는 농업인의 GMO에 대한 인식 파악 및 재배의도를 알아보기 위해 설문조사와 표적집단면접(FGI)를 병행하였다. 설문조사는 논산, 김천, 충주, 상주 지역의 농민 747명을 대상으로 실시하였으며, FGI는 농업분야에 종사하고 있는 남녀 농업인 5명을 대상으로 수행하였다. 조사 결과 GM 작물에 대한 인지 수준과 지식수준은 각각 85.5%, 65%로 일반인과 크게 다르지 않았다. GM 작물에 대한 정보 실태로써 ‘알고 있거나 들어 본적이 있는 GM작물 종류’에 대해 ‘수량증진’에 대한 응답이 가장 높았으며, ‘병저항성’, ‘해충저항성’ 순으로 조사되었다. GM 작물에 대한 인식은 ‘긍정적’과 ‘부정적’ 응답이 비슷한 분포를 나타냈으나, GMO에 대한 섭취 및 재배 의향은 전반적으로 부정적인 것으로 조사되었다. 특히 GMO의 재배보다는 섭취에 더 부정적인 것으로 나타났다. GM 작물 형질에 대한 선호도로는 ‘병 저항성’ 형질이 가장 높았으나 ‘맛’, ‘수량’, ‘건강개선’ 등의 형질에 대해서도 고른 응답을 보였다. The farmers` perception on genetically modified (GM) crops is one of the important factors for the development and commercialization of GM crops. Although many researches have usually studied on the consumers` perception on GMOs, the farmers` perception has not been studied much in Korea. In this study, a survey was conducted from Dec. 2009 to Jan. 2010 to investigate Korean farmers` perception and cultivating willingness of GM crops. The survey data were collected from 717 farmers who lived in four Korean cities (Nonsan, Kimcheon, Chungju, and Sangju) using standardized questionnaires. Results showed that 86% of the respondents were already exposed to the information related to GM crops. The reason of GM crops development that respondents had heard were ‘increased productivity’ (31%), ‘disease resistance’ (21%), ‘insect resistance’ (18%), and so on. The biggest information source was ‘TV/radio’ (50%), and the main information content was ‘concern about food safety’ (45%). More than half of respondents perceived that GM crops could be beneficial to people, however, 61% of them concerned about GM food safety at the same time. Thirty nine percent of farmers showed positive attitudes and were interested in cultivating GM crops, and the preferred GM traits was ‘disease resistance’ (20%), ‘good to health’ (18%), ‘increased productivity’ (16%), ‘taste & flavor improvement’ (14%).
형질전환 고추로부터 근권 토양 미생물로의 수평유전자이동 조사
이범규 ( Bum Kyu Lee ),박지영 ( Ji Young Park ),박기웅 ( Kee Woong Park ),한지학 ( Chee Hark Harn ),김환묵 ( Hwan Mook Kim ),김창기 ( Chang Gi Kim ) 한국국제농업개발학회 2010 韓國國際農業開發學會誌 Vol.22 No.3
The possible gene transfer from transgenic chili pepper to soil bacteria in rhizosphere was evaluated. DNA was extracted from rhizosphere soil collected from growing transgenic chili pepper (Capsicum annuum L.) resistant to cucumber mosaic virus (CMV) and control line, and PCR analysis was performed with specific primer for transgene in the transgenic chili pepper. The results of the PCR targeting NPTII gene indicated that the transgene was present in the rhizosphere soil samples in all collecting times. To investigate the cause of the transgene detection in the samples, we isolated microorganisms from the soil and cultured them on bacterial and fungal medium containing kanamycin. About 430 thousands of bacterial colonies and 160 thousands of fungal colonies were investigated, however, colonies resistant to kanamycin were not detected, indicating gene transfer from transgenic chili pepper to culturable rhizosphere soil microorganisms was not occurred in the present study.
웅성불임 및 왜성형질의 제초제저항성 들잔디(zoysia japonica Steud.)의 판별기술 개발
이범규(Bum kyu Lee),강홍규(Hong-Gyu Kang),라누리(Nu ri Ra),선현진(Hyeon-Jin Sun),권용익(Yong-Ik Kwon),송인자(In-Ja Song),김창기(Chang-Gi Kim),류태훈(Tae-Hun Ryu),박기웅(Kee Woong Park),이효연(Hyo-Yeon Lee) 충남대학교 농업과학연구소 2014 농업과학연구 Vol.41 No.3
The cultivation area and use of genetically modified (GM) crops have been increased continuously over the world. Concerns about the potential risks of GM crops are also increasing. Safe management for the development and production of GM crops is required according to Living Modified Organism Act in Korea. Planning about the methods, duration, and frequency of environmental monitoring is also required for commercial use of GM crops. GM Zoysia japonica Steud. (event name: JG21) expressing resistance to glufosinate-ammonium has been generated previously. By using gamma ray treatment to JG21 we also developed male sterility and dwarf Z. japonica (event name: JG21-MS). The objective of this study was to establish the monitoring system for environment release of JG21-MS. In this study we extracted RNA from JG21 and JG21-MS and conducted RAPD (random amplified polymorphic DNA) method to distinguish JG21 and JG21-MS.
포장 조건에서 CMVP0-CP 형질전환 고추 도입유전자의 지속성 조사
이범규 ( Bum Kyu Lee ),김창기 ( Chang Gi Kim ),박지영 ( Ji Young Park ),박기웅 ( Kee Woong Park ),이훈복 ( Hoon Bok Yi ),한지학 ( Chee Hark Harn ),김환묵 ( Hwan Mook Kim ) 한국환경농학회 2007 한국환경농학회지 Vol.26 No.4
This study was conducted to evaluate the persistence of DNA in the transgenic chili pepper resistant to cucumber mosaic virus (CMV) in the field condition. We analyzed the persistence of genes in the leaf samples obtained from two field conditions, below and above soil. Transgenic and non-transgenic leaf tissues were buried in the soil at a depth of 10 cm or placed on the soil surface. Qualitative and quantitative PCR analysis showed that the amount of transferred genes from the transgenic peppers below and above soil was dropped to 28.3-42.7% one month after buried and it was rapidly reduced to 0.9-3.3% after two months. The transgenes were not detected three to four month after buried. In addition, DNA of the leaves placed below soil decomposed about 8% more than those on soil surface. The gene transfer from decomposing leaves of the transgenic pepper to soil was investigated by PCR analysis with the soil attached to the samples. The PCR result indicated that the gene transfer from the transgenic pepper to soil was not occurred.
유전자 변형 탄저병 저항성 고추(PepEST gene)가 비표적 곤충인 복숭아혹진딧물(Myzus persicae Sulzer)에 미치는 영향
박지은,이훈복,김창기,정순천,윤원기,박기웅,이범규,김환묵,Park, Ji-Eun,Yi, Hoon-Bok,Kim, Chang-Gi,Jeong, Soon-Chun,Yoon, Won-Kee,Park, Kee-Woong,Lee, Bum-Kyu,Kim, Hwan-Mook 한국응용곤충학회 2007 한국응용곤충학회지 Vol.46 No.3
탄저병에 저항성을 가진 특정 유전자 esterase gene (PepEST)을 삽입한 유전자 변형 작물 PepEST (line 68) 고추가 비표적 생물체인 복숭아혹진딧물의 생장에 미치는 영향을 알아보기 위하여 복숭아혹진딧물 성충의 발육 및 산자수 등을 온도 $25^{\circ}C$, 상대습도 50-70%, 광주기 L16 : D8의 실험실 조건에서 조사하고 생명표를 작성하였다. 총 3회의 실험에서 순생산률($R_0$), 증가율($r_m$), 평균 재생산 기간(T), 총 생산량, 수명, 세대기간 등을 각각 산출하였다. 그 결과 수명은 세 번의 실험에서 각각 31일, 27일, 25일로 나타나 복숭아혹진딧물의 일반적인 평균 수명인 25-29일을 기준으로 유전자변형 고추와 모본 고추 모두에서 유의한 차이를 나타내지 않았다. 최초 산자일 또한 세 번의 실험 모두 유전자변형 고추와 모본 고추간에 차이를 나타내지 않았다(P>0.05). 반면, 총 산자수의 값과 Jackknife로 계산된 순생식률($R_o$)의 값은 유전자변형 고추보다 모본 고추에서 높은 결과를 나타냈다(P<0.05). 결과적으로 본 조사로 인해 Esterase gene PepEST를 삽입한 유전자 변형 작물이 복숭아혹진딧물의 산자수에 영향을 미치는 결과를 가져왔고, 유사한 방법의 실험을 야외에서 수행할 필요가 있을 것으로 본 연구는 제안한다. To assess the environmental risks of transgenic chili pepper with PepEST gene on non-target organisms before it exposes to the agro-ecosystem environments, we conducted the three sets of green peach aphids (Myzus persicas S.) life table experiment under laboratory conditions (Temp. $25^{\circ}C$, R.H. 50-70%, Photoperiod L16 : D8) in series during 2005-2006. We measured the net reproductive rate ($R_0)^*$, the intrinsic rate of increase ($r_m$), the mean generation time ($T_c$), $fecundity^*$, life span, and reproduction period between non-transgenic chili peppers and transgenic chili peppers, respectively. The life span of green peach aphids from three sets was 31, 27, 25 days, and the period of life span was similar to the general average length of green peach aphids, 25-29 days. Although the first reproduction of transgenic pepper was similar to the non transgenic pepper (P>0.05), the fecundity and the net reproductive rate ($R_o$) by using Jackknife method of transgenic pepper were lower than those of non transgenic pepper (P<0.05). Conclusively, we observed the adverse effect from our results but we should execute further experiments to confirm the results at the fields with the similar way.
윤규태,이범규 순천향대학교 기초과학연구소 2000 순천향자연과학연구 논문집 Vol.6 No.2
The purpose of this study was to investigate the health-related fitness and its characteristic in the elder woman. A number of physique and measurement were collected from a group of 40 female volunteers mean age 68 years. The health-related fitness of cardiovascular-respiratory function, muscular strength, and muscular endurance, flexibility and body composition were measured. The subjects of this study were elder womans who were divided into two group : 20 periodical exercise in the elder woman(Group A) and periodical non-exercise in the elder woman(Group B). The results obtained from the experiment were as follows. (1)Cardiovascular - respiratory function The study showed that exercise group performed better than non-exercise group in sit-and-stand test(p<.05). (2)Grip strength We could not found significance difference between exercise group and non-exercise group in Grip strength (3)Muscular endurance The study showed that exercise group performed better than non-exercise group in sit-and-stand test(p<.001). (4)Sit-and-Reach Test The study showed that exercise group was more flexible than non-exercise group in sit-and-reach test(p<.05). (5)%Fat The study showed that the %fat of the exercise group was significantly less than non-exercise group(p<.001).