Nonparametric relevance-shifted multiple testing procedures for the analysis of high-dimensional multivariate data with small sample sizes.

abstract：BACKGROUND:Identification of differentially methylated regions (DMRs) is the initial step towards the study of DNA methylation-mediated gene regulation. Previous approaches to call DMRs suffer from false prediction, use extreme resources, and/or require library installation and input conversion. RESULTS:We developed a...

journal_title：BMC bioinformatics

authors： Condon DE,Tran PV,Lien YC,Schug J,Georgieff MK,Simmons RA,Won KJ

更新日期：2018-02-05 00:00:00

abstract：BACKGROUND:Identifying differentially abundant features between different experimental groups is a common goal for many metabolomics and proteomics studies. However, analyzing data from mass spectrometry (MS) is difficult because the data may not be normally distributed and there is often a large fraction of zero value...

journal_title：BMC bioinformatics

authors： Li Y,Fan TWM,Lane AN,Kang WY,Arnold SM,Stromberg AJ,Wang C,Chen L

更新日期：2019-10-17 00:00:00

abstract：BACKGROUND:Homology is a crucial concept in comparative genomics. The algorithm probably most widely used for homology detection in comparative genomics, is BLAST. Usually a stringent score cutoff is applied to distinguish putative homologs from possible false positive hits. As a consequence, some BLAST hits are discar...

journal_title：BMC bioinformatics

authors： Fokkens L,Botelho SM,Boekhorst J,Snel B

更新日期：2010-02-12 00:00:00

abstract：BACKGROUND:The NTF2-like superfamily is a versatile group of protein domains sharing a common fold. The sequences of these domains are very diverse and they share no common sequence motif. These domains serve a range of different functions within the proteins in which they are found, including both catalytic and non-ca...

journal_title：BMC bioinformatics

authors： Eberhardt RY,Chang Y,Bateman A,Murzin AG,Axelrod HL,Hwang WC,Aravind L

更新日期：2013-11-19 00:00:00

abstract：BACKGROUND:Phosphorylated histone H2AX, also known as γH2AX, forms μm-sized nuclear foci at the sites of DNA double-strand breaks (DSBs) induced by ionizing radiation and other agents. Due to their specificity and sensitivity, γH2AX immunoassays have become the gold standard for studying DSB induction and repair. One o...

journal_title：BMC bioinformatics

authors： Memmel S,Sisario D,Zimmermann H,Sauer M,Sukhorukov VL,Djuzenova CS,Flentje M

更新日期：2020-01-28 00:00:00

abstract：BACKGROUND:When constructing new biomarker or gene signature scores for time-to-event outcomes, the underlying aims are to develop a discrimination model that helps to predict whether patients have a poor or good prognosis and to identify the most influential variables for this task. In practice, this is often done fit...

journal_title：BMC bioinformatics

authors： Mayr A,Hofner B,Schmid M

更新日期：2016-07-22 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:Numerical solutions of the chemical master equation (CME) are important for understanding the stochasticity of biochemical systems. However, solving CMEs is a formidable task. This task is complicated due to the nonlinear nature of the reactions and the size of the networks which result in different realizat...

journal_title：BMC bioinformatics

authors： Kosarwal R,Kulasiri D,Samarasinghe S

更新日期：2020-11-11 00:00:00

abstract：BACKGROUND:In addition to single-locus (main) effects of disease variants, there is a growing consensus that gene-gene and gene-environment interactions may play important roles in disease etiology. However, for the very large numbers of genetic markers currently in use, it has proven difficult to develop suitable and ...

journal_title：BMC bioinformatics

authors： Long Q,Zhang Q,Ott J

更新日期：2009-01-30 00:00:00

abstract：BACKGROUND:Alternative splicing is a major contributor to the diversity of eukaryotic transcriptomes and proteomes. Currently, large scale detection of alternative splicing using expressed sequence tags (ESTs) or microarrays does not capture all alternative splicing events. Moreover, for many species genomic data is be...

journal_title：BMC bioinformatics

authors： Sinha R,Hiller M,Pudimat R,Gausmann U,Platzer M,Backofen R

更新日期：2008-11-12 00:00:00

abstract：BACKGROUND:Profile-based comparison of multiple sequence alignments is a powerful methodology for the detection remote protein sequence similarity, which is essential for the inference and analysis of protein structure, function, and evolution. Accurate estimation of statistical significance of detected profile similar...

journal_title：BMC bioinformatics

authors： Sadreyev RI,Wang Y,Grishin NV

更新日期：2009-12-04 00:00:00

abstract：BACKGROUND:Modules of interacting components arranged in specific network topologies have evolved to perform a diverse array of cellular functions. For a network with a constant topological structure, its function within a cell may still be tuned by changing the number of instances of a particular component (e.g., gene...

journal_title：BMC bioinformatics

authors： Shah NA,Sarkar CA

更新日期：2019-05-14 00:00:00

abstract：BACKGROUND:DNA microarrays offer motivation and hope for the simultaneous study of variations in multiple genes. Gene expression is a temporal process that allows variations in expression levels with a characterized gene function over a period of time. Temporal gene expression curves can be treated as functional data s...

journal_title：BMC bioinformatics

authors： Kim J,Kim H

更新日期：2017-10-12 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:The frequent exchange of genetic material among prokaryotes means that extracting a majority or plurality phylogenetic signal from many gene families, and the identification of gene families that are in significant conflict with the plurality signal is a frequent task in comparative genomics, and especially ...

journal_title：BMC bioinformatics

authors： Mao F,Williams D,Zhaxybayeva O,Poptsova M,Lapierre P,Gogarten JP,Xu Y

更新日期：2012-06-07 00:00:00

abstract：BACKGROUND:With the introduction of tissue microarrays (TMAs) researchers can investigate gene and protein expression in tissues on a high-throughput scale. TMAs generate a wealth of data calling for extended, high level data management. Enhanced data analysis and systematic data management are required for traceabilit...

journal_title：BMC bioinformatics

authors： Thallinger GG,Baumgartner K,Pirklbauer M,Uray M,Pauritsch E,Mehes G,Buck CR,Zatloukal K,Trajanoski Z

更新日期：2007-03-07 00:00:00

abstract：BACKGROUND:The UNO/RIC Nanopore Detector provides a new way to study the binding and conformational changes of individual antibodies. Many critical questions regarding antibody function are still unresolved, questions that can be approached in a new way with the nanopore detector. RESULTS:We present evidence that diff...

journal_title：BMC bioinformatics

authors： Winters-Hilt S,Morales E,Amin I,Stoyanov A

更新日期：2007-11-01 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:Time-lapse analysis of cellular images is an important and growing need in biology. Algorithms for cell tracking are widely available; what researchers have been missing is a single open-source software package to visualize standard tracking output (from software like CellProfiler) in a way that allows conve...

journal_title：BMC bioinformatics

authors： Bray MA,Carpenter AE

更新日期：2015-11-04 00:00:00

abstract：BACKGROUND:In many biomedical applications, there is a need for developing classification models based on noisy annotations. Recently, various methods addressed this scenario by relaying on unreliable annotations obtained from multiple sources. RESULTS:We proposed a probabilistic classification algorithm based on labe...

journal_title：BMC bioinformatics

authors： Zhang P,Cao W,Obradovic Z

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Fluorescent reporter genes have become widely used for monitoring gene expression in living cells. When a microbial strain carrying a reporter gene is grown in a microplate reader, the fluorescence and the absorbance (optical density) of the culture can be automatically measured every few minutes in a highly...

journal_title：BMC bioinformatics

authors： Martin Y,Page M,Blanchet C,de Jong H

更新日期：2019-06-11 00:00:00

abstract：BACKGROUND:Processing and analysis of DNA sequences obtained from next-generation sequencing (NGS) face some difficulties in terms of the correct prediction of DNA sequencing outcomes without the implementation of bioinformatics approaches. However, algorithms based on NGS perform inefficiently due to the generation of...

journal_title：BMC bioinformatics

authors： Shityakov S,Bencurova E,Förster C,Dandekar T

更新日期：2020-04-03 00:00:00

abstract：BACKGROUND:Parametric feature selection methods for machine learning and association studies based on genetic data are not robust with respect to outliers or influential observations. While rank-based, distribution-free statistics offer a robust alternative to parametric methods, their practical utility can be limited,...

journal_title：BMC bioinformatics

authors： Lin J,Sibley A,Shterev I,Nixon A,Innocenti F,Chan C,Owzar K

更新日期：2019-06-13 00:00:00

abstract：BACKGROUND:Mass spectrometry is an essential analytical technique for high-throughput analysis in proteomics and metabolomics. The development of new separation techniques, precise mass analyzers and experimental protocols is a very active field of research. This leads to more complex experimental setups yielding ever ...

journal_title：BMC bioinformatics

authors： Sturm M,Bertsch A,Gröpl C,Hildebrandt A,Hussong R,Lange E,Pfeifer N,Schulz-Trieglaff O,Zerck A,Reinert K,Kohlbacher O

更新日期：2008-03-26 00:00:00

abstract：BACKGROUND:Distance-based methods are popular for reconstructing evolutionary trees thanks to their speed and generality. A number of methods exist for estimating distances from sequence alignments, which often involves some sort of correction for multiple substitutions. The problem is to accurately estimate the number...

journal_title：BMC bioinformatics

authors： Sonnhammer EL,Hollich V

更新日期：2005-04-27 00:00:00

abstract：BACKGROUND:The process of horizontal gene transfer (HGT) is believed to be widespread in Bacteria and Archaea, but little comparative data is available addressing its occurrence in complete microbial genomes. Collection of high-quality, automated HGT prediction data based on phylogenetic evidence has previously been im...

journal_title：BMC bioinformatics

authors： Podell S,Gaasterland T,Allen EE

更新日期：2008-10-07 00:00:00

abstract：BACKGROUND:Deep shotgun sequencing on next generation sequencing (NGS) platforms has contributed significant amounts of data to enrich our understanding of genomes, transcriptomes, amplified single-cell genomes, and metagenomes. However, deep coverage variations in short-read data sets and high sequencing error rates o...

journal_title：BMC bioinformatics

authors： McCorrison JM,Venepally P,Singh I,Fouts DE,Lasken RS,Methé BA

更新日期：2014-11-19 00:00:00

abstract：BACKGROUND:Clustering of protein sequences is of key importance in predicting the structure and function of newly sequenced proteins and is also of use for their annotation. With the advent of multiple high-throughput sequencing technologies, new protein sequences are becoming available at an extraordinary rate. The ra...

journal_title：BMC bioinformatics

authors： Abnousi A,Broschat SL,Kalyanaraman A

更新日期：2018-03-05 00:00:00

abstract：BACKGROUND:Direct in vivo investigation of human metabolism is complicated by the distinct metabolic functions of various sub-cellular organelles. Diverse micro-environments in different organelles may lead to distinct functions of the same protein and the use of different enzymes for the same metabolic reaction. To be...

journal_title：BMC bioinformatics

authors： Hao T,Ma HW,Zhao XM,Goryanin I

更新日期：2010-07-22 00:00:00

abstract：BACKGROUND:Complex networks are studied across many fields of science and are particularly important to understand biological processes. Motifs in networks are small connected sub-graphs that occur significantly in higher frequencies than in random networks. They have recently gathered much attention as a useful concep...

journal_title：BMC bioinformatics

authors： Kashani ZR,Ahrabian H,Elahi E,Nowzari-Dalini A,Ansari ES,Asadi S,Mohammadi S,Schreiber F,Masoudi-Nejad A

更新日期：2009-10-04 00:00:00