LS-NMF: a modified non-negative matrix factorization algorithm utilizing uncertainty estimates.

abstract：BACKGROUND:The topology of a biological pathway provides clues as to how a pathway operates, but rationally using this topology information with observed gene expression data remains a challenge. RESULTS:We introduce a new general-purpose analytic method called Mechanistic Bayesian Networks (MBNs) that allows for the ...

journal_title：BMC bioinformatics

authors： Shah A,Tenzen T,McMahon AP,Woolf PJ

更新日期：2009-12-18 00:00:00

abstract：BACKGROUND:The biological network is highly dynamic. Functional relations between genes can be activated or deactivated depending on the biological conditions. On the genome-scale network, subnetworks that gain or lose local expression consistency may shed light on the regulatory mechanisms related to the changing biol...

journal_title：BMC bioinformatics

authors： Lu J,Lu Y,Ding Y,Xiao Q,Liu L,Cai Q,Kong Y,Bai Y,Yu T

更新日期：2019-12-24 00:00:00

abstract：BACKGROUND:Microarray devices permit a genome-scale evaluation of gene function. This technology has catalyzed biomedical research and development in recent years. As many important diseases can be traced down to the gene level, a long-standing research problem is to identify specific gene expression patterns linking t...

journal_title：BMC bioinformatics

authors： Fu LM,Fu-Liu CS

更新日期：2005-03-22 00:00:00

abstract：BACKGROUND:The incorporation of biological knowledge can enhance the analysis of biomedical data. We present a novel method that uses a proteomic knowledge base to enhance the performance of a rule-learning algorithm in identifying putative biomarkers of disease from high-dimensional proteomic mass spectral data. In pa...

journal_title：BMC bioinformatics

authors： Lustgarten JL,Visweswaran S,Bowser RP,Hogan WR,Gopalakrishnan V

更新日期：2009-09-17 00:00:00

abstract：BACKGROUND:The advent of RNA interference techniques enables the selective silencing of biologically interesting genes in an efficient way. In combination with DNA microarray technology this enables researchers to gain insights into signaling pathways by observing downstream effects of individual knock-downs on gene ex...

journal_title：BMC bioinformatics

authors： Froehlich H,Fellmann M,Sueltmann H,Poustka A,Beissbarth T

更新日期：2007-10-15 00:00:00

abstract：BACKGROUND:miRNAs regulate the expression of several genes with one miRNA able to target multiple genes and with one gene able to be simultaneously targeted by more than one miRNA. Therefore, it has become indispensable to shorten the long list of miRNA-target interactions to put in the spotlight in order to gain insig...

journal_title：BMC bioinformatics

authors： Licursi V,Conte F,Fiscon G,Paci P

更新日期：2019-11-04 00:00:00

abstract：BACKGROUND:Many cancer genomes are extensively rearranged with highly aberrant chromosomal karyotypes. Structural and copy number variations in cancer genomes can be determined via abnormal mapping of sequenced reads to the reference genome. Recently it became possible to reconcile both of these types of large-scale va...

journal_title：BMC bioinformatics

authors： Aganezov S,Zban I,Aksenov V,Alexeev N,Schatz MC

更新日期：2019-12-17 00:00:00

abstract：BACKGROUND:Functional genomics involves the parallel experimentation with large sets of proteins. This requires management of large sets of open reading frames as a prerequisite of the cloning and recombinant expression of these proteins. RESULTS:A Java program was developed for retrieval of protein and nucleic acid s...

journal_title：BMC bioinformatics

authors： Büssow K,Hoffmann S,Sievert V

更新日期：2002-12-19 00:00:00

abstract：BACKGROUND:In many laboratories, researchers store experimental data on their own workstation using spreadsheets. However, this approach poses a number of problems, ranging from sharing issues to inefficient data-mining. Standard spreadsheets are also error-prone, as data do not undergo any validation process. To overc...

journal_title：BMC bioinformatics

authors： Triplet T,Butler G

更新日期：2012-01-26 00:00:00

abstract：BACKGROUND:RNA-seq is a powerful tool for measuring transcriptomes, especially for identifying differentially expressed genes or transcripts (DEGs) between sample groups. A number of methods have been developed for this task, and several evaluation studies have also been reported. However, those evaluations so far have...

journal_title：BMC bioinformatics

authors： Tang M,Sun J,Shimizu K,Kadota K

更新日期：2015-11-04 00:00:00

abstract：BACKGROUND:Metabolomics experiments using Mass Spectrometry (MS) technology measure the mass to charge ratio (m/z) and intensity of ionised molecules in crude extracts of complex biological samples to generate high dimensional metabolite 'fingerprint' or metabolite 'profile' data. High resolution MS instruments perform...

journal_title：BMC bioinformatics

authors： Draper J,Enot DP,Parker D,Beckmann M,Snowdon S,Lin W,Zubair H

更新日期：2009-07-21 00:00:00

abstract：BACKGROUND:Molecular biology data exist on diverse scales, from the level of molecules to -omics. At the same time, the data at each scale can be categorised into multiple layers, such as the genome, transcriptome, proteome, metabolome, and biochemical pathways. Due to the highly multi-layer and multi-dimensional natur...

journal_title：BMC bioinformatics

authors： Arakawa K,Tamaki S,Kono N,Kido N,Ikegami K,Ogawa R,Tomita M

更新日期：2009-01-23 00:00:00

abstract：BACKGROUND:Accumulating evidence has demonstrated that long non-coding RNAs (lncRNAs) are closely associated with human diseases, and it is useful for the diagnosis and treatment of diseases to get the relationships between lncRNAs and diseases. Due to the high costs and time complexity of traditional bio-experiments, ...

journal_title：BMC bioinformatics

authors： Xiao Y,Xiao Z,Feng X,Chen Z,Kuang L,Wang L

更新日期：2020-12-02 00:00:00

abstract：BACKGROUND:Dihydrouridine (D) is a modified base found in conserved positions in the D-loop of tRNA in Bacteria, Eukaryota, and some Archaea. Despite the abundant occurrence of D, little is known about its biochemical roles in mediating tRNA function. It is assumed that D may destabilize the structure of tRNA and thus ...

journal_title：BMC bioinformatics

authors： Kasprzak JM,Czerwoniec A,Bujnicki JM

更新日期：2012-06-28 00:00:00

abstract：BACKGROUND:We investigate the relationships between the EC (Enzyme Commission) class, the associated chemical reaction, and the reaction mechanism by building predictive models using Support Vector Machine (SVM), Random Forest (RF) and k-Nearest Neighbours (kNN). We consider two ways of encoding the reaction mechanism ...

journal_title：BMC bioinformatics

authors： Nath N,Mitchell JB

更新日期：2012-04-24 00:00:00

abstract：BACKGROUND:The structure conservation in various α-helix subclasses reveals the sequence and context dependent factors causing distortions in the α-helix. The sequence-structure relationship in these subclasses can be used to predict structural variations in α-helix purely based on its sequence. We train support vector...

journal_title：BMC bioinformatics

authors： Tendulkar AV,Wangikar PP

更新日期：2011-02-15 00:00:00

abstract：BACKGROUND:The abundant data available for protein interaction networks have not yet been fully understood. New types of analyses are needed to reveal organizational principles of these networks to investigate the details of functional and regulatory clusters of proteins. RESULTS:In the present work, individual cluste...

journal_title：BMC bioinformatics

authors： Sen TZ,Kloczkowski A,Jernigan RL

更新日期：2006-07-24 00:00:00

abstract：BACKGROUND:Alternative splicing isoforms have been reported as a new and robust class of diagnostic biomarkers. Over 95% of human genes are estimated to be alternatively spliced as a powerful means of producing functionally diverse proteins from a single gene. The emergence of next-generation sequencing technologies, e...

journal_title：BMC bioinformatics

authors： Zhang F,Deng CK,Wang M,Deng B,Barber R,Huang G

更新日期：2020-12-03 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:Metabolomics is one of most recent omics technologies. It has been applied on fields such as food science, nutrition, drug discovery and systems biology. For this, gas chromatography-mass spectrometry (GC-MS) has been largely applied and many computational tools have been developed to support the analysis of...

journal_title：BMC bioinformatics

authors： Aggio RB,Mayor A,Reade S,Probert CS,Ruggiero K

更新日期：2014-12-10 00:00:00

abstract：BACKGROUND:PCR clonal artefacts originating from NGS library preparation can affect both genomic as well as RNA-Seq applications when protocols are pushed to their limits. In RNA-Seq however the artifactual reads are not easy to tell apart from normal read duplication due to natural over-sequencing of highly expressed ...

journal_title：BMC bioinformatics

authors： Sayols S,Scherzinger D,Klein H

更新日期：2016-10-21 00:00:00

abstract：BACKGROUND:The importance of biodiversity conservation has been increasing steadily due to its benefits to human beings. Recently, producing and managing biodiversity databases have become much easier because of the information technology (IT) advancement. This made the general public's participation in biodiversity co...

journal_title：BMC bioinformatics

authors： Paik IH,Lim J,Chun BS,Jin SD,Yu JP,Lee JW,Bhak J,Paek WK

更新日期：2009-12-03 00:00:00

abstract：BACKGROUND:Beta-barrel transmembrane (bbtm) proteins are a functionally important and diverse group of proteins expressed in the outer membranes of bacteria (both gram negative and acid fast gram positive), mitochondria and chloroplasts. Despite recent publications describing reasonable levels of accuracy for discrimin...

journal_title：BMC bioinformatics

authors： Garrow AG,Agnew A,Westhead DR

更新日期：2005-03-15 00:00:00

abstract：BACKGROUND:Targeted resequencing offers a cost-effective alternative to whole-genome and whole-exome sequencing when investigating regions known to be associated with a trait or disease. There are a number of approaches to targeted resequencing, including microfluidic PCR amplification, which may be enhanced by multipl...

journal_title：BMC bioinformatics

authors： Wingo TS,Kotlar A,Cutler DJ

更新日期：2017-01-05 00:00:00

abstract：UNLABELLED: BACKGROUND:Acquiring and exploring whole genome sequence information for a species under investigation is now a routine experimental approach. On most genome browsers, typically, only the DNA sequence, EST support, motif search results, and GO annotations are displayed. However, for many species, a growing...

journal_title：BMC bioinformatics

authors： Antoniw J,Beacham AM,Baldwin TK,Urban M,Rudd JJ,Hammond-Kosack KE

更新日期：2011-11-15 00:00:00

abstract：BACKGROUND:Recently copy number variation (CNV) has gained considerable interest as a type of genomic/genetic variation that plays an important role in disease susceptibility. Advances in sequencing technology have created an opportunity for detecting CNVs more accurately. Recently whole exome sequencing (WES) has beco...

journal_title：BMC bioinformatics

authors： Zare F,Dow M,Monteleone N,Hosny A,Nabavi S

更新日期：2017-05-31 00:00:00

abstract：BACKGROUND:Although methods based on highly abstract descriptions of protein structures, such as VAST and TOPS, can perform very fast protein structure comparison, the results can lack a high degree of biological significance. Previously we have discussed the basic mechanisms of our novel method for structure compariso...

journal_title：BMC bioinformatics

authors： Veeramalai M,Gilbert D,Valiente G

更新日期：2010-03-17 00:00:00

abstract：BACKGROUND:A phylogeny is the evolutionary history of a group of organisms. To date, sequence data is still the most used data type for phylogenetic reconstruction. Before any sequences can be used for phylogeny reconstruction, they must be aligned, and the quality of the multiple sequence alignment has been shown to a...

journal_title：BMC bioinformatics

authors： Yue F,Shi J,Tang J

更新日期：2009-01-30 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:The availability of multiple, essentially complete genome sequences of prokaryotes and eukaryotes spurred both the demand and the opportunity for the construction of an evolutionary classification of genes from these genomes. Such a classification system based on orthologous relationships between genes appea...

journal_title：BMC bioinformatics

authors： Tatusov RL,Fedorova ND,Jackson JD,Jacobs AR,Kiryutin B,Koonin EV,Krylov DM,Mazumder R,Mekhedov SL,Nikolskaya AN,Rao BS,Smirnov S,Sverdlov AV,Vasudevan S,Wolf YI,Yin JJ,Natale DA

更新日期：2003-09-11 00:00:00