The reactive metabolite target protein database (TPDB)--a web-accessible resource.

abstract：BACKGROUND:An important application of high dimensional gene expression measurements is the risk prediction and the interpretation of the variables in the resulting survival models. A major problem in this context is the typically large number of genes compared to the number of observations (individuals). Feature selec...

journal_title：BMC bioinformatics

authors： Kammers K,Lang M,Hengstler JG,Schmidt M,Rahnenführer J

更新日期：2011-12-16 00:00:00

abstract：BACKGROUND:Genome and metagenome studies have identified thousands of protein families whose functions are poorly understood and for which techniques for functional characterization provide only partial information. For such proteins, the genome context can give further information about their functional context. RESU...

journal_title：BMC bioinformatics

authors： Konietzny SG,Dietz L,McHardy AC

更新日期：2011-05-09 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 development of next-generation sequencing has made it possible to sequence whole genomes at a relatively low cost. However, de novo genome assemblies remain challenging due to short read length, missing data, repetitive regions, polymorphisms and sequencing errors. As more and more genomes are sequenced,...

journal_title：BMC bioinformatics

authors： Lischer HEL,Shimizu KK

更新日期：2017-11-10 00:00:00

abstract：BACKGROUND:Microarray data discretization is a basic preprocess for many algorithms of gene regulatory network inference. Some common discretization methods in informatics are used to discretize microarray data. Selection of the discretization method is often arbitrary and no systematic comparison of different discreti...

journal_title：BMC bioinformatics

authors： Li Y,Liu L,Bai X,Cai H,Ji W,Guo D,Zhu Y

更新日期：2010-10-19 00:00:00

abstract：BACKGROUND:Microarray technology can acquire information about thousands of genes simultaneously. We analyzed published breast cancer microarray databases to predict five-year recurrence and compared the performance of three data mining algorithms of artificial neural networks (ANN), decision trees (DT) and logistic re...

journal_title：BMC bioinformatics

authors： Chou HL,Yao CT,Su SL,Lee CY,Hu KY,Terng HJ,Shih YW,Chang YT,Lu YF,Chang CW,Wahlqvist ML,Wetter T,Chu CM

更新日期：2013-03-19 00:00:00

abstract：BACKGROUND:One of the major challenges in biology is the correct identification of promoter regions. Computational methods based on motif searching have been the traditional approach taken. Recent studies have shown that DNA structural properties, such as curvature, stacking energy, and stress-induced duplex destabiliz...

journal_title：BMC bioinformatics

authors： Bland C,Newsome AS,Markovets AA

更新日期：2010-10-07 00:00:00

abstract：BACKGROUND:It is useful to develop a tool that would effectively describe protein mutation matrices specifically geared towards the identification of mutations that produce either wanted or unwanted effects, such as an increase or decrease in affinity, or a predisposition towards misfolding. Here, we describe a tool wh...

journal_title：BMC bioinformatics

authors： David MP,Lapid CM,Daria VR

更新日期：2008-04-28 00:00:00

abstract：BACKGROUND:Protein subcellular localization is an important determinant of protein function and hence, reliable methods for prediction of localization are needed. A number of prediction algorithms have been developed based on amino acid compositions or on the N-terminal characteristics (signal peptides) of proteins. Ho...

journal_title：BMC bioinformatics

authors： Sarda D,Chua GH,Li KB,Krishnan A

更新日期：2005-06-17 00:00:00

abstract：BACKGROUND:We present a model for tagging gene and protein mentions from text using the probabilistic sequence tagging framework of conditional random fields (CRFs). Conditional random fields model the probability P(t/o) of a tag sequence given an observation sequence directly, and have previously been employed success...

journal_title：BMC bioinformatics

authors： McDonald R,Pereira F

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:This study addresses a recurrent biological problem, that is to define a formal clustering structure for a set of tissues on the basis of the relative abundance of multiple alternatively spliced isoforms mRNAs generated by the same gene. To this aim, we have used a model-based clustering approach, based on a...

journal_title：BMC bioinformatics

authors： Pelosi M,Alfò M,Martella F,Pappalardo E,Musarò A

更新日期：2015-09-15 00:00:00

abstract：BACKGROUND:To identify and prioritize the influential hub genes in a gene-set or biological pathway, most analyses rely on calculation of marginal effects or tests of statistical significance. These procedures may be inappropriate since hub nodes are common connection points and therefore may interact with other nodes ...

journal_title：BMC bioinformatics

authors： Chang HC,Chu CP,Lin SJ,Hsiao CK

更新日期：2020-03-12 00:00:00

abstract：BACKGROUND:As whole-genome sequencing is becoming a routine technique, it is important to identify a cost-effective depth of sequencing for such studies. However, the relationship between sequencing depth and biological results from the aspects of whole-genome coverage, variant discovery power and the quality of varian...

journal_title：BMC bioinformatics

authors： Jiang Y,Jiang Y,Wang S,Zhang Q,Ding X

更新日期：2019-11-08 00:00:00

abstract：BACKGROUND:The identification of differentially expressed genes (DEGs) from Affymetrix GeneChips arrays is currently done by first computing expression levels from the low-level probe intensities, then deriving significance by comparing these expression levels between conditions. The proposed PL-LM (Probe-Level Linear ...

journal_title：BMC bioinformatics

authors： Lemieux S

更新日期：2006-08-25 00:00:00

abstract：BACKGROUND:Numerous functional genomics approaches have been developed to study the model organism yeast, Saccharomyces cerevisiae, with the aim of systematically understanding the biology of the cell. Some of these techniques are based on yeast growth differences under different conditions, such as those generated by ...

journal_title：BMC bioinformatics

authors： Memarian N,Jessulat M,Alirezaie J,Mir-Rashed N,Xu J,Zareie M,Smith M,Golshani A

更新日期：2007-04-04 00:00:00

abstract：BACKGROUND:Protein sequence motifs are by definition short fragments of conserved amino acids, often associated with a specific function. Accordingly protein sequence profiles derived from multiple sequence alignments provide an alternative description of functional motifs characterizing families of related sequences. ...

journal_title：BMC bioinformatics

authors： Hummel J,Keshvari N,Weckwerth W,Selbig J

更新日期：2005-06-29 00:00:00

abstract：BACKGROUND:The BioCreative text mining evaluation investigated the application of text mining methods to the task of automatically extracting information from text in biomedical research articles. We participated in Task 2 of the evaluation. For this task, we built a system to automatically annotate a given protein wit...

journal_title：BMC bioinformatics

authors： Ray S,Craven M

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Tight clustering arose recently from a desire to obtain tighter and potentially more informative clusters in gene expression studies. Scattered genes with relatively loose correlations should be excluded from the clusters. However, in the literature there is little work dedicated to this area of research. On...

journal_title：BMC bioinformatics

authors： Yuan Y,Li CT,Wilson R

更新日期：2008-06-18 00:00:00

abstract：BACKGROUND:The developments of high-throughput genotyping technologies, which enable the simultaneous genotyping of hundreds of thousands of single nucleotide polymorphisms (SNP) have the potential to increase the benefits of genetic epidemiology studies. Although the enhanced resolution of these platforms increases th...

journal_title：BMC bioinformatics

authors： Chai HS,Sicotte H,Bailey KR,Turner ST,Asmann YW,Kocher JP

更新日期：2009-04-03 00:00:00

abstract：BACKGROUND:SSWAP (Simple Semantic Web Architecture and Protocol; pronounced "swap") is an architecture, protocol, and platform for using reasoning to semantically integrate heterogeneous disparate data and services on the web. SSWAP was developed as a hybrid semantic web services technology to overcome limitations foun...

journal_title：BMC bioinformatics

authors： Gessler DD,Schiltz GS,May GD,Avraham S,Town CD,Grant D,Nelson RT

更新日期：2009-09-23 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:Copy number variants (CNVs) have been demonstrated to occur at a high frequency and are now widely believed to make a significant contribution to the phenotypic variation in human populations. Array-based comparative genomic hybridization (array-CGH) and newly developed read-depth approach through ultrahigh ...

journal_title：BMC bioinformatics

authors： Zhang ZD,Gerstein MB

更新日期：2010-10-31 00:00:00

abstract：BACKGROUND:In binary high-throughput screening projects where the goal is the identification of low-frequency events, beyond the obvious issue of efficiency, false positives and false negatives are a major concern. Pooling constitutes a natural solution: it reduces the number of tests, while providing critical duplicat...

journal_title：BMC bioinformatics

authors： Thierry-Mieg N

更新日期：2006-01-19 00:00:00

abstract：:Identifying segments in the genome of different individuals that are identical-by-descent (IBD) is a fundamental element of genetics. IBD data is used for numerous applications including demographic inference, heritability estimation, and mapping disease loci. Simultaneous detection of IBD over multiple haplotypes has...

journal_title：BMC bioinformatics

authors： Park DS,Baran Y,Hormozdiari F,Eng C,Torgerson DG,Burchard EG,Zaitlen N

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Phylogenetic trees are an important tool to study the evolutionary relationships among organisms. The huge amount of available taxa poses difficulties in their interactive visualization. This hampers the interaction with the users to provide feedback for the further improvement of the taxonomic framework. R...

journal_title：BMC bioinformatics

authors： Beccati A,Gerken J,Quast C,Yilmaz P,Glöckner FO

更新日期：2017-09-30 00:00:00

abstract：BACKGROUND:Recent advances in global genomic profiling methodologies have enabled multi-dimensional characterization of biological systems. Complete analysis of these genomic profiles require an in depth look at parallel profiles of segmental DNA copy number status, DNA methylation state, single nucleotide polymorphism...

journal_title：BMC bioinformatics

authors： Chi B,deLeeuw RJ,Coe BP,Ng RT,MacAulay C,Lam WL

更新日期：2008-05-20 00:00:00

abstract：BACKGROUND:The protein-coding regions (coding exons) of a DNA sequence exhibit a triplet periodicity (TP) due to fact that coding exons contain a series of three nucleotide codons that encode specific amino acid residues. Such periodicity is usually not observed in introns and intergenic regions. If a DNA sequence is d...

journal_title：BMC bioinformatics

authors： Wang L,Stein LD

更新日期：2010-11-08 00:00:00

abstract：BACKGROUND:To understand the evolutionary role of Lateral Gene Transfer (LGT), accurate methods are needed to identify transferred genes and infer their timing of acquisition. Phylogenetic methods are particularly promising for this purpose, but the reconciliation of a gene tree with a reference (species) tree is compu...

journal_title：BMC bioinformatics

authors： Abby SS,Tannier E,Gouy M,Daubin V

更新日期：2010-06-15 00:00:00

abstract：BACKGROUND:The miRNAs, a class of short approximately 22-nucleotide non-coding RNAs, often act post-transcriptionally to inhibit mRNA expression. In effect, they control gene expression by targeting mRNA. They also help in carrying out normal functioning of a cell as they play an important role in various cellular proc...

journal_title：BMC bioinformatics

authors： Paul S,Maji P

更新日期：2013-09-04 00:00:00

abstract：BACKGROUND:Gene expression microarray experiments are expensive to conduct and guidelines for acceptable quality control at intermediate steps before and after the samples are hybridised to chips are vague. We conducted an experiment hybridising RNA from human brain to 117 U133A Affymetrix GeneChips and used these data...

journal_title：BMC bioinformatics

authors： Jones L,Goldstein DR,Hughes G,Strand AD,Collin F,Dunnett SB,Kooperberg C,Aragaki A,Olson JM,Augood SJ,Faull RL,Luthi-Carter R,Moskvina V,Hodges AK

更新日期：2006-04-19 00:00:00