Efficient estimation of grouped survival models.

abstract：BACKGROUND:Improvements in protein sequence annotation and an increase in the number of annotated protein databases has fueled development of an increasing number of software tools to predict secreted proteins. Six software programs capable of high throughput and employing a wide range of prediction methods, SignalP 3....

journal_title：BMC bioinformatics

authors： Klee EW,Ellis LB

更新日期：2005-10-14 00:00:00

abstract：BACKGROUND:Inflammation is a core element of many different, systemic and chronic diseases that usually involve an important autoimmune component. The clinical phase of inflammatory diseases is often the culmination of a long series of pathologic events that started years before. The systemic characteristics and relate...

journal_title：BMC bioinformatics

authors： Xiao H,Bartoszek K,Lio' P

更新日期：2018-11-30 00:00:00

abstract：BACKGROUND:Normalization in real-time qRT-PCR is necessary to compensate for experimental variation. A popular normalization strategy employs reference gene(s), which may introduce additional variability into normalized expression levels due to innate variation (between tissues, individuals, etc). To minimize this inna...

journal_title：BMC bioinformatics

authors： Chervoneva I,Li Y,Schulz S,Croker S,Wilson C,Waldman SA,Hyslop T

更新日期：2010-05-14 00:00:00

abstract：BACKGROUND:Uncovering the relationship between the conserved chromosomal segments and the functional relatedness of elements within these segments is an important question in computational genomics. We build upon the series of works on gene teams and homology teams. RESULTS:Our primary contribution is a local sliding-...

journal_title：BMC bioinformatics

authors： Sarkar A,Soueidan H,Nikolski M

更新日期：2011-10-05 00:00:00

abstract：BACKGROUND:Cell-scaffold contact measurements are derived from pairs of co-registered volumetric fluorescent confocal laser scanning microscopy (CLSM) images (z-stacks) of stained cells and three types of scaffolds (i.e., spun coat, large microfiber, and medium microfiber). Our analysis of the acquired terabyte-sized c...

journal_title：BMC bioinformatics

authors： Bajcsy P,Yoon S,Florczyk SJ,Hotaling NA,Simon M,Szczypinski PM,Schaub NJ,Simon CG Jr,Brady M,Sriram RD

更新日期：2017-11-28 00:00:00

abstract：BACKGROUND:Vast progress in sequencing projects has called for annotation on a large scale. A Number of methods have been developed to address this challenging task. These methods, however, either apply to specific subsets, or their predictions are not formalised, or they do not provide precise confidence values for th...

journal_title：BMC bioinformatics

authors： Vinayagam A,del Val C,Schubert F,Eils R,Glatting KH,Suhai S,König R

更新日期：2006-03-20 00:00:00

abstract：BACKGROUND:Ontologies are widely used to represent knowledge in biomedicine. Systematic approaches for detecting errors and disagreements are needed for large ontologies with hundreds or thousands of terms and semantic relationships. A recent approach of defining terms using logical definitions is now increasingly bein...

journal_title：BMC bioinformatics

authors： Köhler S,Bauer S,Mungall CJ,Carletti G,Smith CL,Schofield P,Gkoutos GV,Robinson PN

更新日期：2011-10-27 00:00:00

abstract：BACKGROUND:Formal classification of a large collection of protein structures aids the understanding of evolutionary relationships among them. Classifications involving manual steps, such as SCOP and CATH, face the challenge of increasing volume of available structures. Automatic methods such as FSSP or Dali Domain Dict...

journal_title：BMC bioinformatics

authors： Sam V,Tai CH,Garnier J,Gibrat JF,Lee B,Munson PJ

更新日期：2008-01-31 00:00:00

abstract：BACKGROUND:Two of the main objectives of the genomic and post-genomic era are to structurally and functionally annotate genomes which consists of detecting genes' position and structure, and inferring their function (as well as of other features of genomes). Structural and functional annotation both require the complex...

journal_title：BMC bioinformatics

authors： Gouret P,Vitiello V,Balandraud N,Gilles A,Pontarotti P,Danchin EG

更新日期：2005-08-05 00:00:00

abstract：BACKGROUND:Although high-throughput microarray based molecular diagnostic technologies show a great promise in cancer diagnosis, it is still far from a clinical application due to its low and instable sensitivities and specificities in cancer molecular pattern recognition. In fact, high-dimensional and heterogeneous tu...

journal_title：BMC bioinformatics

authors： Han H,Li XL

更新日期：2011-02-15 00:00:00

abstract：BACKGROUND:PSI-BLAST, an extremely popular tool for sequence similarity search, features the utilization of Position-Specific Scoring Matrix (PSSM) constructed from a multiple sequence alignment (MSA). PSSM allows the detection of more distant homologs than a general amino acid substitution matrix does. An accurate est...

journal_title：BMC bioinformatics

authors： Oda T,Lim K,Tomii K

更新日期：2017-06-02 00:00:00

abstract：BACKGROUND:Gene expression patterns of olfactory receptors (ORs) are an important component of the signal encoding mechanism in the olfactory system since they determine the interactions between odorant ligands and sensory neurons. We have developed the Olfactory Receptor Microarray Database (ORMD) to house OR gene exp...

journal_title：BMC bioinformatics

authors： Liu N,Crasto CJ,Ma M

更新日期：2007-06-30 00:00:00

abstract：BACKGROUND:Protein domains coordinate to perform multifaceted cellular functions, and domain combinations serve as the functional building blocks of the cell. The available methods to identify functional domain combinations are limited in their scope, e.g. to the identification of combinations falling within individual...

journal_title：BMC bioinformatics

authors： McLaughlin WA,Chen K,Hou T,Wang W

更新日期：2007-10-16 00:00:00

abstract：BACKGROUND:Microarray experiments, as well as other genomic analyses, often result in large gene sets containing up to several hundred genes. The biological significance of such sets of genes is, usually, not readily apparent. Identification of the functions of the genes in the set can help highlight features of intere...

journal_title：BMC bioinformatics

authors： Lee JS,Katari G,Sachidanandam R

更新日期：2005-07-25 00:00:00

abstract：BACKGROUND:Manual chemical data curation from publications is error-prone, time consuming, and hard to maintain up-to-date data sets. Automatic information extraction can be used as a tool to reduce these problems. Since chemical structures usually described in images, information extraction needs to combine structure ...

journal_title：BMC bioinformatics

authors： Tharatipyakul A,Numnark S,Wichadakul D,Ingsriswang S

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:The exponential growth of gigantic biological data from various sources, such as protein-protein interaction (PPI), genome sequences scaffolding, Mass spectrometry (MS) molecular networking and metabolic flux, demands an efficient way for better visualization and interpretation beyond the conventional, two-d...

journal_title：BMC bioinformatics

authors： Wang Q,Tang B,Song L,Ren B,Liang Q,Xie F,Zhuo Y,Liu X,Zhang L

更新日期：2013-11-14 00:00:00

abstract：BACKGROUND:Graph theory provides a computational framework for modeling a variety of datasets including those emerging from genomics, proteomics, and chemical genetics. Networks of genes, proteins, small molecules, or other objects of study can be represented as graphs of nodes (vertices) and interactions (edges) that ...

journal_title：BMC bioinformatics

authors： Forman JJ,Clemons PA,Schreiber SL,Haggarty SJ

更新日期：2005-10-19 00:00:00

abstract：BACKGROUND:It is a common practice in bioinformatics to validate each group returned by a clustering algorithm through manual analysis, according to a-priori biological knowledge. This procedure helps finding functionally related patterns to propose hypotheses for their behavior and the biological processes involved. T...

journal_title：BMC bioinformatics

authors： Milone DH,Stegmayer G,López M,Kamenetzky L,Carrari F

更新日期：2014-04-10 00:00:00

abstract：BACKGROUND:Collections of transcription factor binding profiles (Transfac, Jaspar) are essential to identify regulatory elements in DNA sequences. Subsets of highly similar profiles complicate large scale analysis of transcription factor binding sites. RESULTS:We propose to identify and group similar profiles using tw...

journal_title：BMC bioinformatics

authors： Kielbasa SM,Gonze D,Herzel H

更新日期：2005-09-28 00:00:00

abstract：BACKGROUND:The recent emergence of high-throughput automated image acquisition technologies has forever changed how cell biologists collect and analyze data. Historically, the interpretation of cellular phenotypes in different experimental conditions has been dependent upon the expert opinions of well-trained biologist...

journal_title：BMC bioinformatics

authors： Yin Z,Zhou X,Bakal C,Li F,Sun Y,Perrimon N,Wong ST

更新日期：2008-06-05 00:00:00

abstract：BACKGROUND:Recently, the availability of high-resolution microscopy together with the advancements in the development of biomarkers as reporters of biomolecular interactions increased the importance of imaging methods in molecular cell biology. These techniques enable the investigation of cellular characteristics like ...

journal_title：BMC bioinformatics

authors： Stoma S,Fröhlich M,Gerber S,Klipp E

更新日期：2011-04-28 00:00:00

abstract：BACKGROUND:Although it is not difficult for state-of-the-art gene finders to identify coding regions in prokaryotic genomes, exact prediction of the corresponding translation initiation sites (TIS) is still a challenging problem. Recently a number of post-processing tools have been proposed for improving the annotation...

journal_title：BMC bioinformatics

authors： Tech M,Meinicke P

更新日期：2006-03-09 00:00:00

abstract：BACKGROUND:Protein remote homology detection is one of the central problems in bioinformatics, which is important for both basic research and practical application. Currently, discriminative methods based on Support Vector Machines (SVMs) achieve the state-of-the-art performance. Exploring feature vectors incorporating...

journal_title：BMC bioinformatics

authors： Liu B,Xu J,Zou Q,Xu R,Wang X,Chen Q

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Computational discovery of transcription factor binding sites (TFBS) is a challenging but important problem of bioinformatics. In this study, improvement of a Gibbs sampling based technique for TFBS discovery is attempted through an approach that is widely known, but which has never been investigated before:...

journal_title：BMC bioinformatics

authors： Shida K

更新日期：2006-11-04 00:00:00

abstract：BACKGROUND:We establish that the occurrence of protein folds among genomes can be accurately described with a Weibull function. Systems which exhibit Weibull character can be interpreted with reliability theory commonly used in engineering analysis. For instance, Weibull distributions are widely used in reliability, ma...

journal_title：BMC bioinformatics

authors： Cherkasov A,Ho Sui SJ,Brunham RC,Jones SJ

更新日期：2004-07-26 00:00:00

abstract：BACKGROUND:Chemical cross-linking is used for protein-protein contacts mapping and for structural analysis. One of the difficulties in cross-linking studies is the analysis of mass-spectrometry data and the assignment of the site of cross-link incorporation. The difficulties are due to higher charges of fragment ions, ...

journal_title：BMC bioinformatics

authors： Jaiswal M,Crabtree N,Bauer MA,Hall R,Raney KD,Zybailov BL

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:The number of protein structures from structural genomics centers dramatically increases in the Protein Data Bank (PDB). Many of these structures are functionally unannotated because they have no sequence similarity to proteins of known function. However, it is possible to successfully infer function using o...

journal_title：BMC bioinformatics

authors： von Grotthuss M,Plewczynski D,Ginalski K,Rychlewski L,Shakhnovich EI

更新日期：2006-02-06 00:00:00

abstract：BACKGROUND:Molecular docking is a widely-employed method in structure-based drug design. An essential component of molecular docking programs is a scoring function (SF) that can be used to identify the most stable binding pose of a ligand, when bound to a receptor protein, from among a large set of candidate poses. Des...

journal_title：BMC bioinformatics

authors： Ashtawy HM,Mahapatra NR

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:determining beforehand specific positions to align (anchor points) has proved valuable for the accuracy of automated multiple sequence alignment (MSA) software. This feature can be used manually to include biological expertise, or automatically, usually by pairwise similarity searches. Multiple local similar...

journal_title：BMC bioinformatics

authors： Pitschi F,Devauchelle C,Corel E

更新日期：2010-09-02 00:00:00

abstract：BACKGROUND:Reproducibility of results can have a significant impact on the acceptance of new technologies in gene expression analysis. With the recent introduction of the so-called next-generation sequencing (NGS) technology and established microarrays, one is able to choose between two completely different platforms f...

journal_title：BMC bioinformatics

authors： Stiglic G,Bajgot M,Kokol P

更新日期：2010-04-08 00:00:00