Statistics for approximate gene clusters.

abstract：BACKGROUND:Copy number alterations (CNAs), due to their large impact on the genome, have been an important contributing factor to oncogenesis and metastasis. Detecting genomic alterations from the shallow-sequencing data of a low-purity tumor sample remains a challenging task. RESULTS:We introduce Accucopy, a method t...

journal_title：BMC bioinformatics

authors： Fan X,Luo G,Huang YS

更新日期：2021-01-15 00:00:00

abstract：BACKGROUND:High throughput DNA/RNA sequencing has revolutionized biological and clinical research. Sequencing is widely used, and generates very large amounts of data, mainly due to reduced cost and advanced technologies. Quickly assessing the quality of giga-to-tera base levels of sequencing data has become a routine ...

journal_title：BMC bioinformatics

authors： Chanumolu SK,Albahrani M,Otu HH

更新日期：2019-08-15 00:00:00

abstract：BACKGROUND:Clustering of unannotated transcripts is an important task to identify novel families of noncoding RNAs (ncRNAs). Several hierarchical clustering methods have been developed using similarity measures based on the scores of structural alignment. However, the high computational cost of exact structural alignme...

journal_title：BMC bioinformatics

authors： Saito Y,Sato K,Sakakibara Y

更新日期：2011-02-15 00:00:00

abstract：BACKGROUND:Selecting a parsimonious set of informative genes to build highly generalized performance classifier is the most important task for the analysis of tumor microarray expression data. Many existing gene pair evaluation methods cannot highlight diverse patterns of gene pairs only used one strategy of vertical c...

journal_title：BMC bioinformatics

authors： Chen Y,Wang L,Li L,Zhang H,Yuan Z

更新日期：2016-01-20 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:Gas chromatography coupled with mass spectrometry (GC-MS) is one of the technologies widely used for qualitative and quantitative analysis of small molecules. In particular, GC coupled to single quadrupole MS can be utilized for targeted analysis by selected ion monitoring (SIM). However, to our knowledge, t...

journal_title：BMC bioinformatics

authors： Ranjbar MR,Di Poto C,Wang Y,Ressom HW

更新日期：2015-08-19 00:00:00

abstract：BACKGROUND:Scaffolding is an important step in genome assembly that orders and orients the contigs produced by assemblers. However, repetitive regions in contigs usually prevent scaffolding from producing accurate results. How to solve the problem of repetitive regions has received a great deal of attention. In the pas...

journal_title：BMC bioinformatics

authors： Luo J,Lyu M,Chen R,Zhang X,Luo H,Yan C

更新日期：2019-10-30 00:00:00

abstract：BACKGROUND:Most state-of-the-art biomedical entity normalization systems, such as rule-based systems, merely rely on morphological information of entity mentions, but rarely consider their semantic information. In this paper, we introduce a novel convolutional neural network (CNN) architecture that regards biomedical e...

journal_title：BMC bioinformatics

authors： Li H,Chen Q,Tang B,Wang X,Xu H,Wang B,Huang D

更新日期：2017-10-03 00:00:00

abstract：BACKGROUND:Machine learning has been utilized to predict cancer drug response from multi-omics data generated from sensitivities of cancer cell lines to different therapeutic compounds. Here, we build machine learning models using gene expression data from patients' primary tumor tissues to predict whether a patient wi...

journal_title：BMC bioinformatics

authors： Clayton EA,Pujol TA,McDonald JF,Qiu P

更新日期：2020-09-30 00:00:00

abstract：BACKGROUND:DNA methylation is an important heritable epigenetic mark that plays a crucial role in transcriptional regulation and the pathogenesis of various human disorders. The commonly used DNA methylation measurement approaches, e.g., Illumina Infinium HumanMethylation-27 and -450 BeadChip arrays (27 K and 450 K arr...

journal_title：BMC bioinformatics

authors： Yu F,Xu C,Deng HW,Shen H

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND:Several features are known to correlate with the GC-content in the human genome, including recombination rate, gene density and distance to telomere. However, by testing for pairwise correlation only, it is impossible to distinguish direct associations from indirect ones and to distinguish between causes and...

journal_title：BMC bioinformatics

authors： Freudenberg J,Wang M,Yang Y,Li W

更新日期：2009-01-30 00:00:00

abstract：BACKGROUND:It has been proposed that future reference genomes should be graph structures in order to better represent the sequence diversity present in a species. However, there is currently no standard method to represent genomic intervals, such as the positions of genes or transcription factor binding sites, on graph...

journal_title：BMC bioinformatics

authors： Rand KD,Grytten I,Nederbragt AJ,Storvik GO,Glad IK,Sandve GK

更新日期：2017-05-18 00:00:00

abstract：BACKGROUND:Data extraction and integration methods are becoming essential to effectively access and take advantage of the huge amounts of heterogeneous genomics and clinical data increasingly available. In this work, we focus on The Cancer Genome Atlas, a comprehensive archive of tumoral data containing the results of ...

journal_title：BMC bioinformatics

authors： Cumbo F,Fiscon G,Ceri S,Masseroli M,Weitschek E

更新日期：2017-01-03 00:00:00

abstract：BACKGROUND:Data are the evidentiary basis for scientific hypotheses, analyses and publication, for policy formation and for decision-making. They are essential to the evaluation and testing of results by peer scientists both present and future. There is broad consensus in the scientific and conservation communities tha...

journal_title：BMC bioinformatics

authors： Moritz T,Krishnan S,Roberts D,Ingwersen P,Agosti D,Penev L,Cockerill M,Chavan V,Data Publishing Framework Task Group.

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:The statistical modeling of biomedical corpora could yield integrated, coarse-to-fine views of biological phenomena that complement discoveries made from analysis of molecular sequence and profiling data. Here, the potential of such modeling is demonstrated by examining the 5,225 free-text items in the Caeno...

journal_title：BMC bioinformatics

authors： Blei DM,Franks K,Jordan MI,Mian IS

更新日期：2006-05-08 00:00:00

abstract：BACKGROUND:We aim to solve the problem of determining word senses for ambiguous biomedical terms with minimal human effort. METHODS:We build a fully automated system for Word Sense Disambiguation by designing a system that does not require manually-constructed external resources or manually-labeled training examples e...

journal_title：BMC bioinformatics

authors： Duan W,Song M,Yates A

更新日期：2009-03-19 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:In microarray experiments the numbers of replicates are often limited due to factors such as cost, availability of sample or poor hybridization. There are currently few choices for the analysis of a pair of microarrays where N = 1 in each condition. In this paper, we demonstrate the effectiveness of a new al...

journal_title：BMC bioinformatics

authors： Reid RW,Fodor AA

更新日期：2008-11-21 00:00:00

abstract：BACKGROUND:Here we introduce the Protein Sequence Annotation Tool (PSAT), a web-based, sequence annotation meta-server for performing integrated, high-throughput, genome-wide sequence analyses. Our goals in building PSAT were to (1) create an extensible platform for integration of multiple sequence-based bioinformatics...

journal_title：BMC bioinformatics

authors： Leung E,Huang A,Cadag E,Montana A,Soliman JL,Zhou CL

更新日期：2016-01-20 00:00:00

abstract：BACKGROUND:Compound Heterozygosity (CH) in classical genetics is the presence of two different recessive mutations at a particular gene locus. A relaxed form of CH alleles may account for an essential proportion of the missing heritability, i.e. heritability of phenotypes so far not accounted for by single genetic vari...

journal_title：BMC bioinformatics

authors： Zhong K,Karssen LC,Kayser M,Liu F

更新日期：2016-04-08 00:00:00

abstract：BACKGROUND:The imputation of missing values is necessary for the efficient use of DNA microarray data, because many clustering algorithms and some statistical analysis require a complete data set. A few imputation methods for DNA microarray data have been introduced, but the efficiency of the methods was low and the va...

journal_title：BMC bioinformatics

authors： Kim KY,Kim BJ,Yi GS

更新日期：2004-10-26 00:00:00

abstract：BACKGROUND:Aiming to understand cellular responses to different perturbations, the NIH Common Fund Library of Integrated Network-based Cellular Signatures (LINCS) program involves many institutes and laboratories working on over a thousand cell lines. The community-based Cell Line Ontology (CLO) is selected as the defa...

journal_title：BMC bioinformatics

authors： Ong E,Xie J,Ni Z,Liu Q,Sarntivijai S,Lin Y,Cooper D,Terryn R,Stathias V,Chung C,Schürer S,He Y

更新日期：2017-12-21 00:00:00

abstract：BACKGROUND:The complexity and dynamics of microbial communities are major factors in the ecology of a system. With the NGS technique, metagenomics data provides a new way to explore microbial interactions. Lotka-Volterra models, which have been widely used to infer animal interactions in dynamic systems, have recently ...

journal_title：BMC bioinformatics

authors： Shaw GT,Pao YY,Wang D

更新日期：2016-11-25 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:Multiple sequence alignment (MSA) is a fundamental analysis method used in bioinformatics and many comparative genomic applications. Prior MSA acceleration attempts with reconfigurable computing have only addressed the first stage of progressive alignment and consequently exhibit performance limitations acco...

journal_title：BMC bioinformatics

authors： Lloyd S,Snell QO

更新日期：2011-12-07 00:00:00

abstract：BACKGROUND:Protein structure prediction has achieved a lot of progress during the last few decades and a greater number of models for a certain sequence can be predicted. Consequently, assessing the qualities of predicted protein models in perspective is one of the key components of successful protein structure predict...

journal_title：BMC bioinformatics

authors： Jing X,Dong Q

更新日期：2017-05-25 00:00:00

abstract：BACKGROUND:Proteins are comprised of one or several building blocks, known as domains. Such domains can be classified into families according to their evolutionary origin. Whereas sequencing technologies have advanced immensely in recent years, there are no matching computational methodologies for large-scale determina...

journal_title：BMC bioinformatics

authors： Portugaly E,Harel A,Linial N,Linial M

更新日期：2006-06-02 00:00:00

abstract：BACKGROUND:The detection of genomic copy number alterations (CNA) in cancer based on SNP arrays requires methods that take into account tumour specific factors such as normal cell contamination and tumour heterogeneity. A number of tools have been recently developed but their performance needs yet to be thoroughly asse...

journal_title：BMC bioinformatics

authors： Mosén-Ansorena D,Aransay AM,Rodríguez-Ezpeleta N

更新日期：2012-08-07 00:00:00

abstract：BACKGROUND:Selective pressures at the DNA level shape genes into profiles consisting of patterns of rapidly evolving sites and sites withstanding change. These profiles remain detectable even when protein sequences become extensively diverged. A common task in molecular biology is to infer functional, structural or evo...

journal_title：BMC bioinformatics

authors： Ndhlovu A,Hazelhurst S,Durand PM

更新日期：2015-08-14 00:00:00

abstract：BACKGROUND:The majority of experimentally verified molecular interaction and biological pathway data are present in the unstructured text of biomedical journal articles where they are inaccessible to computational methods. The Biomolecular interaction network database (BIND) seeks to capture these data in a machine-rea...

journal_title：BMC bioinformatics

authors： Donaldson I,Martin J,de Bruijn B,Wolting C,Lay V,Tuekam B,Zhang S,Baskin B,Bader GD,Michalickova K,Pawson T,Hogue CW

更新日期：2003-03-27 00:00:00