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Cho, Seung-Ho,Beynon, Mike,Saltz, Joel 한국정보처리학회 2003 정보처리학회논문지D Vol.10 No.1
본 논문에 의해 구현된 시스템은 광학 현미경을 통해 캡춰된 조직 샘플들에 대한 데이터들을 분산/병렬 시스템 상에 분한 저장한다. 사용자들은 컴퓨터 상에서 마치 현미경을 사용하듯이 이들 이미지들을 관찰할 수 있다. 이 시스템은 고객 서버 모델에 의거 고객, 조정자 노드, 데이터 관리자 노드로서 구성되고, 메시지를 통해 데이터를 송수신한다. 본 연구에서는 이미지 표시나 텍스트 주석 등 교육용 응용에 필요한 기능들을 갖춘 이미지 검색용 고객 프로그램을 구현하였고, 세 요소간 통신 규약을 정의하였다. 또한 대용량 데이터들을 저장하는 테이프 장치 도입을 위한 실험을 수행하였으며, 이러한 실험은 데이터 분할 및 인덱싱 기법에 의해 성능 향상을 나타내었다. The system implemented in this paper partitions and stores specimen data captured by a light microscope on distributed or parallel systems. Users ran observe images on computers as we use a physical microscope. Based on the client-server computing model, the system consists of client, coordinator, and data manager. Three components communicate messages. For retrieving images, we implemented the client program with necessary functions for educational applications such at image mark and text annotation, and defined the communication protocol. We performed the experiment for introducing a tape storage which stores a large volume of data. The experiment results showed performance improvement by data partitioning and indexing technique.
The Reference Genetic Linkage Map for the Multinational Brassica rapa Genome Sequencing Project
Yong Pyo Lim,Su Ryun Choi,Graham R. Teakle,Prikshit Plaha,Jeong Hee Kim,Charlotte J. Allender,Elena Beynon,Zhong Yun. Piao,Tae Ho Han,Graham J. King,Guy C. Barker,Paul Hand Hand,Derek J. Lydiate,Jacqu 한국원예학회 2006 한국원예학회 기타간행물 Vol.- No.-
Lim, Pyung Ok,Kim, Yumi,Breeze, Emily,Koo, Ja Choon,Woo, Hye Ryun,Ryu, Jong Sang,Park, Don Ha,Beynon, Jim,Tabrett, Alex,Buchanan-Wollaston, Vicky,Nam, Hong Gil Blackwell Publishing Ltd 2007 The Plant journal Vol.52 No.6
<P>Summary</P><P>Leaf senescence is the final stage of leaf development and is finely regulated via a complex genetic regulatory network incorporating both developmental and environmental factors. In an effort to identify negative regulators of leaf senescence, we screened activation-tagged Arabidopsis lines for mutants that exhibit a delayed leaf senescence phenotype. One of the mutants (<I>ore7-1D</I>) showed a highly significant delay of leaf senescence in the heterozygous state, leading to at least a twofold increase in leaf longevity. The activated gene (<I>ORE7</I>/<I>ESC</I>) encoded a protein with an AT-hook DNA-binding motif; such proteins are known to co-regulate transcription of genes through modification of chromatin architecture. We showed that ORE7/ESC, in addition to binding to a plant AT-rich DNA fragment, could also modify the chromatin architecture, as illustrated by an altered distribution of a histone–GFP fusion protein in the nucleus of the mutant. Globally altered gene expression, shown by microarray analysis, also indicated that activation of <I>ORE7</I>/<I>ESC</I> results in a younger condition in the mutant leaves. We propose that ectopically expressed <I>ORE7</I>/<I>ESC</I> is negatively regulating leaf senescence and suggest that the resulting chromatin alteration may have a role in controlling leaf longevity. Interestingly, activation of <I>ORE7</I>/<I>ESC</I> also led to a highly extended post-harvest storage life.</P>