• 제목/요약/키워드: Station Regeneration

검색결과 84건 처리시간 0.031초

지역재생을 위한 철도역사 및 역세권 정비계획에 관한 연구 (인천광역시 백운역을 중심으로) (A Study on the Improvement Plan of Railway Station & Surrounding Area for Regional Regeneration (Focused on Baegun Station of Incheon))

  • 신예경
    • 한국산학기술학회논문지
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    • 제13권2호
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    • pp.893-899
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    • 2012
  • 본 논문은 경인선 백운역 및 백운역세권을 대상으로 철도에 의해 양분된 지역생활권의 단절 해소 및 철도시설 연변부지의 효율적 토지이용을 통한 입체적인 철도 환승시스템을 제안함과 동시에 철도 이용객의 편의를 도모하며 기존의 단절된 녹지축을 활성화하여 친환경적이며 안전하고, 편리한 주거환경의 개선을 통해 지역주민들의 삶을 한층 풍요롭게 하고 나아가 지역 생활권의 활성화 방안을 모색하는 것에 있다.

Efficient Callus Induction and Plant Regeneration from Immature and Mature Embryo Culture of Korean Wheat Genotypes

  • Lee, Byung-Moo;Moon, Jung-Hun;Lee, Sang-Kyu;Kim, Kyung-Hee;Kang, Moon-Seok;Heo, Hwa-Young;Kwon, Young-Up;Nam, Jung-Hyun;Seo, Yong-Weon
    • 한국작물학회지
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    • 제48권1호
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    • pp.38-43
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    • 2003
  • Immature and mature embryos of 18 Korean wheat genotypes were cultured in vitro to develop an efficient method of callus formation and plant regeneration, and to compare the responses of both embryo cultures. Immature and mature embryos were placed on a solid agar medium containing the MS salts and vitamins, 30g/l maltose, 2 mg/l 2,4-dichlorophenoxyacetic acid (2,4-D), and amino acids. The developed calli were maintained on regeneration medium containing MS salts and B5 vitamins, 20 g/l sucrose, and the combination of two plant growth regulators, 6-benzylaminopurine (BAP) and indole-3-acetic acid (IAA). Immature embryos in most genotypes showed high efficiency of callus induction except three genotypes; Eunpamil, Chunggemil, and Namhaemil, and significant differences among the genotypes. Plant regeneration of calli induced from immature embryos showed high efficiency in Geurumil (56.5%), Tapdongmil (50.5%), Gobunmil (45.5%), and Urimil(42.2%). The analysis of variance showed significant differences for regeneration frequency among the genotypes. Mature embryos showed low callus induction frequency compared with that in immature embryos, and significant differences among the genotypes. Plant regeneration of calli induced from mature embryos showed high efficiency in Keumkangmil (33.33%), Tapdongmil(28.13%), and Geurumil (27.78%). The analysis of variance showed significant differences for plant regeneration frequency among the genotypes.

Effect of Embryogenic Callus Conditions on Plant Regeneration in Satsuma Mandarin (Citrus unshiu Marc.)

  • Han, Sang-Heon;Kang, Sung-Ku;An, Hyun-Joo;Kim, Han-Young
    • Journal of Plant Biotechnology
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    • 제4권1호
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    • pp.29-32
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    • 2002
  • The ability to form embryiod from callus in satsuma mandarin is low and unstable. In this study, the conditions of embryogenic calli induced from nucellar tissue for promotion of plant regeneration in satsuma mandarin were investigated. The calli of I, II and III line were divided into two sizes of 0.5 mm and 1.0 mm in diameter and two weight gradients of percoll at 40% and 50% though the filter mesh. The frequency of embryo formation from $\phi$ 1.0mm-40% was slightly higher than callus that from others. Adventitious embryoids developed to a globular stage were transferred to regeneration medium. In 'Miyagawa Wase', the embryos from I and II line developed into a heart stage from most of $\phi$ 0.5 mm- 40% and $\phi$1.0 mm-40% calli, but it failed in 'Sugiyama Unshu'. In the cultivar of 'Miyagawa Wase', 63% of adventitious embryos transferred to the regeneration medium developed into the heart stage from the most $\phi$ 1.0 mm-40% calli of I line, but of 'Sugiyama Unshu' failed in some calli condition. The embryoids from two callus lines developed further to shoots and plantlets, while the embriods from III line abnormal failed to regenerate in the cultivar. From these results, it is suggested that the plant regeneration from embryogenic callus in satsuma mandarin could be affected by callus conditions.

Plant Regeneration and Callus-GUS Activity in Colored Rices

  • Park, Hyang-Mi;Ko, Jong-Min;Yi, Gi-Hwan;Won, Yong-Jae;Cho, Jun-Hyeon;Choung, Myoung-Gun;Kim, Soon-Cheol;Joeng, Young-Soo;Rhee, In-Koo;Nam, Min-Hee
    • 한국식물생명공학회:학술대회논문집
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    • 한국식물생명공학회 2003년도 식물바이오벤처 페스티발
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    • pp.135-135
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    • 2003
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콩 유묘의 조직배양에 의한 식물체 분화 (Plant Regeneration from in vitro Tissue Culture of Soybean Seedling)

  • 김용호;김석동;홍은희
    • 한국작물학회지
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    • 제37권5호
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    • pp.419-424
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    • 1992
  • 콩에서의 조직배양 가능성을 알아보고자 콩 유묘를 기내에서 배양시킨 뒤, 여러 부위를 채취하여 각기 다른 배지 치상한 결과는 다음과 같다. 1. 줄기정단조직 배양에서는 대부분 shoot가 분화되어 완전한 식물체를 얻을 수 있었다. 2. 자엽절 조직배양에서는 multiple shoots가 나타나 대량증식에 유용했으나 배지에 따른 영향이 컸다. 3. 배축 및 상배축 조직배양에서는 callus만 분화되엇다. 4. 엽조직배양에서는 callus 분화 후 계대배양했을 때 shoot가 분화되었으나 완전한 식물체를 얻기는 힘들었다.

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Plant Regeneration from Shoot Tip-Derived Embryogenic Callus of Dianthus superbus

  • Lee, Eun-Ae;Kim, Joon-Chul;Kim, Won-Bae;Kim, Byeong-Hyeon;Kim, Jeong-Kan
    • Journal of Plant Biology
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    • 제37권3호
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    • pp.381-385
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    • 1994
  • The highest degree of callus formation was obtained from the shoot tips of Dianthus superbus when cultured on the MS medium supplemented with 2.0 mg/L NAA and 0.5 mg/L BAP. Embryogenic calluses were obtained from the seperated friable calluses on MS medium containing 2.0 mg/L 2,4-D after 7-8 wk of culture. For plant regeneration, embryogenic calluses were selected and cultured on te proliferation medium. After 3 wk, somatic embryos appeared on MSK medium (0.5 mg/L NAA, 2.0 mg/L kinetin) and N6 medium (2.0 mg/L kinetin, 0.1 mg/LNAA, 0.1 mg/L 2,4-D and 2.0 g/L casein hydrolysate). When these somatic embryos were kept under continuous illumination, shoots were successfully regenerated on the both media. The shoots were rooted on MS medium supplemented with 2.0 mg/L NAA.

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자색고구마의 잎 조직배양을 통한 식물체 재생 (Plant Regeneration Derived from Leaf Disk Cultures in Purple Sweetpotato)

  • 박혜정;안영섭;정병춘;박현용
    • Journal of Plant Biotechnology
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    • 제30권3호
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    • pp.245-249
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    • 2003
  • This study was carried out to establish a regeneration system from leaf explant of purple sweetpotato(Ipomoea batatas L.) The optimal concentrations of plant growth regulators for callus induction and shoot formation were determined. The optimal combination for callus formation was 1$\mu$M 2,4-D 5$\mu$M BM, and highest yield of embryogenic calli were observed on Murashige and Skoog basal medium containing 0.5$\mu$M 2,4-D under light condition after 4weeks of culture. Embryogenec callus was subcultured on medium supplemented with 5$\mu$M ABA for 4 days. Subsequently, regeneration of adventitious shoots occurred when these embryogenic calli were transferred onto medium with 3∼6$\mu$M gibberellic acid. Regenerated shoots were developed into normal plantlets.

런던 St.Pancars Station & King's Cross Station 인접지역의 철도역사 기반 도시재생계획에 관한 연구 (A study on the Project Planning Method of Areas near St.Pancars Station & King's Cross Station in London)

  • 신예경
    • 예술인문사회 융합 멀티미디어 논문지
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    • 제6권10호
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    • pp.603-612
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    • 2016
  • 본 연구에서는 철도를 통해 유럽대륙으로부터 런던으로 들어오는 관문인 세인트 판크라스 역과 런던 내 인터시티 연결을 주도하는 킹스크로스 역의 개발 및 인접한 두 개의 역 사이에 위치하고 있는 Camden지구 King's Cross Central을 중심으로 추진된 도심재생 사례의 계획특성을 살펴보고, 이를 바탕으로 여기에서 추진된 도심재생의 계획의 방향, 세부전략을 알아보고자 하였다. 연구의 결과 킹스크로스역과 세인트판크라스 역, 그리고 그 인접에 위치한 배후지역으로서 King's Cross Central 지역은 오랜 기간 슬럼지역이었으나 서로 인접한 두 역이 각기 영국 및 런던의 철도 네트워크에서 유럽대륙간의 국제 고속 철도 그리고 런던 내 국내철도와의 연계라는 공통분모를 가지고 철도 교통의 잠재성을 기반으로 새롭게 재활성화 되었다. 여기에는 건물에 대한 물리적 현대화뿐만 아니라. 지상과 지하 그리고 각 지역을 지원하는 조밀한 철도 네트워크 구축과 연계교통의 체계화를 하되, 이는 동시에 환승에 용이한 보행 동선을 확보하고 시민의 공공성을 고려한 다각적인 용도의 각 시설물들을 계획, 배치하였음을 확인하였다.