2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)最新文献

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Autonomicity - an antidote for complexity? 自主性——复杂性的解药?
Roy Sterritt, M. Hinchey
{"title":"Autonomicity - an antidote for complexity?","authors":"Roy Sterritt, M. Hinchey","doi":"10.1109/CSBW.2005.28","DOIUrl":"https://doi.org/10.1109/CSBW.2005.28","url":null,"abstract":"Autonomic computing and other self-managing system initiatives, many strongly based on biological metaphors, are emerging as a significant new vision for the design and development of complex computer systems. They offer the promise of controlling complexity through the achievement of self governance (autonomy) and self management (autonomicity). We consider how complexity is exhibited in the computer industry as a whole, and how the situation is deteriorating, rather than improving. We consider how autonomous and autonomic systems, with their biological inspiration, can provide a framework for tackling complexity and overcoming the problems of its (unavoidable) inherent existence in certain classes of systems.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121804467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
DockingShop: a tool for interactive protein docking DockingShop:一个交互式蛋白质对接工具
Ting-Cheng Lu, Jinhui Ding, S. Crivelli
{"title":"DockingShop: a tool for interactive protein docking","authors":"Ting-Cheng Lu, Jinhui Ding, S. Crivelli","doi":"10.1109/CSBW.2005.54","DOIUrl":"https://doi.org/10.1109/CSBW.2005.54","url":null,"abstract":"The molecular docking problem is to determine how molecules interact with other molecules and plays a key role in understanding how cells function. DockingShop is an integrated environment far interactively steering molecular docking by navigating a ligand or protein to the receptor's estimated binding site. This tool provides a graphical interface for molecular modeling featuring real-time visual guides, interactive manipulation, navigation, optimization, and dynamic visualization enabling users to apply their biological knowledge to steer the docking process.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125412839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Discovering functional transcription factor binding from superimposed gene networks 从重叠基因网络中发现功能性转录因子结合
M. Weirauch, Joshua M. Stuart
{"title":"Discovering functional transcription factor binding from superimposed gene networks","authors":"M. Weirauch, Joshua M. Stuart","doi":"10.1109/CSBW.2005.53","DOIUrl":"https://doi.org/10.1109/CSBW.2005.53","url":null,"abstract":"The availability of entire genome sequences, coupled with genome-wide studies of gene expression, offers promise for discovering new pathways along with their regulatory programs. Clusters identified from gene co-expression networks (GCNs) reveal correlations between genes but say little about the mechanism behind their coregulation. We have constructed a co-binding network (CBN) to identify the potential combinations of transcription factors (TFs) that may regulate a set of genes. The CBN was built by connecting all pairs of genes bound by the same transcription factor observed in ChIP-Chip microarray experiments. We superimposed the CBN onto the GCN to identify clusters of genes in overlapping subnetworks. Applying our method to a GCN derived from four distantly related species, we identified transcription factor combinations for several conserved sub-networks in yeast.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"340 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116127572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Engineering multi-signal systems for complex pattern formation 用于复杂图案形成的工程多信号系统
D. Karig, Jerome Ku, Ron Weiss
{"title":"Engineering multi-signal systems for complex pattern formation","authors":"D. Karig, Jerome Ku, Ron Weiss","doi":"10.1109/CSBW.2005.63","DOIUrl":"https://doi.org/10.1109/CSBW.2005.63","url":null,"abstract":"Biological pattern formation networks orchestrate complex processes of constituent cells, often through the use of multiple intercellular signals. The forward engineering of such multi-signal systems in synthetic biology has a number of important applications including biosensing, tissue engineering, and biomaterial fabrication. In addition, such synthetic systems provide a testing ground for quantitatively studying the fundamental principles governing similar natural genetic networks. However, an initial requirement for engineering multi-signal networks is the characterization and tuning of various properties of the signaling systems, including crosstalk, receiver response strength, and sensitivity. We characterize crosstalk interactions for synthetic receivers built from components of the Las and Rhl quorum sensing systems from Pseudomonas aeruginosa. Next, we present results from genetic constructs designed to amplify weak transcriptional responses to signaling molecules. We then discuss results from directed evolution of receptor proteins to optimize receiver sensitivity. These methods of engineering synthetic constructs with desired response strengths and sensitivities to external signals have a number of important applications in their own right, such as the development of biosensors for detection of trace amounts of toxins. In addition to the experimental results that show how signaling constructs can be optimized for such applications, we present simulations for two example pattern formation systems that can be constructed from these tuned components.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128510865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A symbolic approach to the simulation of biochemical models: application to circadian rhythms 生化模型模拟的符号方法:在昼夜节律中的应用
F. Fontana, L. Bianco, V. Manca
{"title":"A symbolic approach to the simulation of biochemical models: application to circadian rhythms","authors":"F. Fontana, L. Bianco, V. Manca","doi":"10.1109/CSBW.2005.17","DOIUrl":"https://doi.org/10.1109/CSBW.2005.17","url":null,"abstract":"Symbolic rewriting systems are gaining interest as tools for simulating biochemical dynamics. Compared to traditional methods based on differential equations, the symbolic approach allows a straightforward translation of a signal transduction network into a system of rewriting rules capable of describing the network dynamics by means of a proper application of these rules. Coherently with this design approach, our algorithm applies rewriting rules proportionally to the values assumed by specific reaction maps. Such maps are nonlinear functions of the state of the system. Preliminary results obtained using this algorithm in the simulation of a known model of circadian rhythms in Drosophila envision its potential applicability in reproducing complex biochemical networks, such as that presented here.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130367889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Image data mining of fruitfly gene expression patterns 果蝇基因表达模式的图像数据挖掘
Hanchuan Peng
{"title":"Image data mining of fruitfly gene expression patterns","authors":"Hanchuan Peng","doi":"10.1109/CSBW.2005.74","DOIUrl":"https://doi.org/10.1109/CSBW.2005.74","url":null,"abstract":"Understanding the spatio-temporal gene expression patterns is critical in studying genes roles and their complicated relationships. With the availability of high-resolution digital images of in situ mRNA hybridization expression pattern of Drosophila embryos collected through both the Berkeley Drosophila Transcriptional Network Project (BDTNP) and the Berkeley Drosophila Genome Project (BDGP), we will be able to answer a series of interesting questions, e.g., what are the variations of gene expression patterns, what are the patterning process of gene expression, etc. To achieve these goals at a large scale, it is extremely important to automate the image mining and informatics processes of embryogenesis expression patterns. We developed computer programs to register, compare and analyze these spatio-temporal pattern images. In this talk, I will review four projects on image mining of fruitfly embryo gene expression patterns: (a) Gaussian mixture model based embryonic expression pattern extraction and comparison, (b) Gene expression pattern clustering using novel MSTCUT and probabilistic ensemble clustering techniques, (c) Surface/volume models for 3D modeling and registration of early embryos, and (d) A manifold learning method for spatio-temporal registration of 3D gene expression patterns and reconstruction of the embryonic developmental time series.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129295330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Towards interactive exploration of images, meta-data, and analytic results in the open microscopy environment 在开放的显微镜环境中对图像、元数据和分析结果进行交互式探索
H. Hochheiser, I. Goldberg
{"title":"Towards interactive exploration of images, meta-data, and analytic results in the open microscopy environment","authors":"H. Hochheiser, I. Goldberg","doi":"10.1109/CSBW.2005.135","DOIUrl":"https://doi.org/10.1109/CSBW.2005.135","url":null,"abstract":"The collection, management, and analysis of microscopy data present numerous informatics challenges. Appropriate user tools are needed to support acquisition, creation, analysis, annotation and interpretation of microscopy data. The Open Microscopy Environment (OME) is a database-driven system for the storage, analysis, management, and interpretation of microscopy data. An examination of these tasks in the context of regularly occurring structures in OME's data model motivates a framework for constructing these tools. Initial implementations of several components, linked together in a common environment, provide a partial realization of this framework.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121206794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PET imaging of tumor integrin expression 肿瘤整合素表达的PET显像
W. Cai, Xiaoyuan Chen
{"title":"PET imaging of tumor integrin expression","authors":"W. Cai, Xiaoyuan Chen","doi":"10.1109/CSBW.2005.105","DOIUrl":"https://doi.org/10.1109/CSBW.2005.105","url":null,"abstract":"The expression of integrin /spl alpha//sub v//spl beta//sub 3/ on sprouting capillary cells and their interaction with specific extracellular matrix ligands play a key role in tumor angiogenesis and metastasis. In several malignancies, tumor expression of integrin /spl alpha//sub v//spl beta//sub 3/ correlates well with tumor progression. Non-invasive imaging methods to visualize and quantify integrin /spl alpha//sub v//spl beta//sub 3/ expression in vivo are crucial for the success of anti-angiogenic therapy targeting integrin. Suitably labeled RGD peptides (potent integrin /spl alpha//sub v//spl beta//sub 3/ antagonists) and antibodies have been developed for PET, SPECT and NIR fluorescence imaging of small animals. Due to the high sensitivity and adequate spatial and temporal resolution of PET, development of PET probes for integrin expression imaging has been the mainstay of active research. We improved the tumor targeting efficacy and in vivo pharmacokinetics by applying polyvalency effect and designed /sup 18/F- and /sup 64/Cu-labeled dimeric and multimeric RGD peptides for both imaging and imaging-guided internal radiotherapy applications.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114453151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The synthetic gene designer: a flexible Web platform to explore sequence space of synthetic genes for heterologous expression 合成基因设计器:一个灵活的Web平台,用于探索合成基因的序列空间以进行异源表达
Gang Wu, Nabila Bashir-Bello, S. Freeland
{"title":"The synthetic gene designer: a flexible Web platform to explore sequence space of synthetic genes for heterologous expression","authors":"Gang Wu, Nabila Bashir-Bello, S. Freeland","doi":"10.1109/CSBW.2005.133","DOIUrl":"https://doi.org/10.1109/CSBW.2005.133","url":null,"abstract":"\"Codon optimization\" is a general approach that seeks to improve heterologous expression when a gene is moved into a foreign genome that exhibits different codon usage from its native genome. However, it is still unclear exactly what it means to optimize codons for protein expression: diverse interpretations exist, and exploratory research continues. Thus, to facilitate flexible redesign of genes for heterologous expression, we have developed a bona fide web application: the \"synthetic gene designer\". Compared with existing codon optimization software, the synthetic gene designer provides greater flexibility in several key features of codon optimization strategy. The software, together with online tutorials and help, is available at http://www.evolvingcode. net/codon/sgd.php.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"461 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132455074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
iSimBioSys: an 'in silico' discrete event simulation framework for modeling biological systems iSimBioSys:一个用于建模生物系统的“在硅”离散事件模拟框架
Samik Ghosh, P. Ghosh, K. Basu, Sajal K. Das
{"title":"iSimBioSys: an 'in silico' discrete event simulation framework for modeling biological systems","authors":"Samik Ghosh, P. Ghosh, K. Basu, Sajal K. Das","doi":"10.1109/CSBW.2005.80","DOIUrl":"https://doi.org/10.1109/CSBW.2005.80","url":null,"abstract":"The genome projects have provided comprehensive information about the basic building blocks of life. The next challenge is to understand how biological functions emerge from complex interactions of these building blocks. In this work, we present a generic, extensible in silico simulation framework which allows the experimenter to lest various hypotheses of an experiment 'in silico' and develop a model for subsequent wet test analysis. Undertaking a systems approach, we abstract a biological process as a set of interacting functions driven in time by a set of discrete events. We focus on three two-component gene regulatory networks, (a) PhoP/PhoQ network (b) barA/sirA network and (c) pmrB/pmrA network involved in bacterial pathogenesis in Salmonella Typhimurium and capture their interactions in various stages of infection. We report results on the expression of various gene and gene products from these pathways. We conclude that such a stochastic framework can provide insight into how collective interaction of different molecules manifests in physiology and diseases.","PeriodicalId":123531,"journal":{"name":"2005 IEEE Computational Systems Bioinformatics Conference - Workshops (CSBW'05)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115423244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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