PDB-UF: database of predicted enzymatic functions for unannotated protein structures from structural genomics.

abstract：BACKGROUND:Determining differentially expressed genes (DEGs) between biological samples is the key to understand how genotype gives rise to phenotype. RNA-seq and microarray are two main technologies for profiling gene expression levels. However, considerable discrepancy has been found between DEGs detected using the t...

journal_title：BMC bioinformatics

authors： Lyu Y,Li Q

更新日期：2016-01-11 00:00:00

abstract：BACKGROUND:Predicting the deleteriousness of observed genomic variants has taken a step forward with the introduction of the Combined Annotation Dependent Depletion (CADD) approach, which trains a classifier on the wealth of available human genomic information. This raises the question whether it can be done with less ...

journal_title：BMC bioinformatics

authors： Groß C,de Ridder D,Reinders M

更新日期：2018-10-12 00:00:00

abstract：BACKGROUND:A rapidly increasing flow of genomic data requires the development of efficient methods for obtaining its compact representation. Feature extraction facilitates classification, clustering and model analysis for testing and refining biological hypotheses. "Shotgun" metagenome is an analytically challenging ty...

journal_title：BMC bioinformatics

authors： Dubinkina VB,Ischenko DS,Ulyantsev VI,Tyakht AV,Alexeev DG

更新日期：2016-01-16 00:00:00

abstract：BACKGROUND:The advent of array-based genome-wide DNA methylation methods has enabled quantitative measurement of single CpG methylation status at relatively low cost and sample input. Whereas the use of Infinium Human Methylation BeadChips has shown great utility in clinical studies, no equivalent tool is available for...

journal_title：BMC bioinformatics

authors： Needhamsen M,Ewing E,Lund H,Gomez-Cabrero D,Harris RA,Kular L,Jagodic M

更新日期：2017-11-15 00:00:00

abstract：BACKGROUND:The inference of homology between proteins is a key problem in molecular biology The current best approaches only identify approximately 50% of homologies (with a false positive rate set at 1/1000). RESULTS:We present Homology Induction (HI), a new approach to inferring homology. HI uses machine learning to...

journal_title：BMC bioinformatics

authors： Karwath A,King RD

更新日期：2002-04-23 00:00:00

abstract：BACKGROUND:Large-scale genomic studies often identify large gene lists, for example, the genes sharing the same expression patterns. The interpretation of these gene lists is generally achieved by extracting concepts overrepresented in the gene lists. This analysis often depends on manual annotation of genes based on c...

journal_title：BMC bioinformatics

authors： He X,Sarma MS,Ling X,Chee B,Zhai C,Schatz B

更新日期：2010-05-20 00:00:00

abstract：BACKGROUND:Normalization is the process of removing non-biological sources of variation between array experiments. Recent investigations of data in gene expression databases for varying organisms and tissues have shown that the majority of expressed genes exhibit a power-law distribution with an exponent close to -1 (i...

journal_title：BMC bioinformatics

authors： Lu T,Costello CM,Croucher PJ,Häsler R,Deuschl G,Schreiber S

更新日期：2005-02-23 00:00:00

abstract：BACKGROUND:For the development of genome assembly tools, some comprehensive and efficiently computable validation measures are required to assess the quality of the assembly. The mostly used N50 measure summarizes the assembly results by the length of the scaffold (or contig) overlapping the midpoint of the length-orde...

journal_title：BMC bioinformatics

authors： Mäkinen V,Salmela L,Ylinen J

更新日期：2012-10-03 00:00:00

abstract：BACKGROUND:Analyses of biomolecules for biodiversity, phylogeny or structure/function studies often use graphical tree representations. Many powerful tree editors are now available, but existing tree visualization tools make little use of meta-information related to the entities under study such as taxonomic descriptio...

journal_title：BMC bioinformatics

authors： Chevenet F,Brun C,Bañuls AL,Jacq B,Christen R

更新日期：2006-10-10 00:00:00

abstract：BACKGROUND:Since their first commercialization, the diversity of taxa and the genetic composition of transgene sequences in genetically modified plants (GMOs) are constantly increasing. To date, the detection of GMOs and derived products is commonly performed by PCR-based methods targeting specific DNA sequences introd...

journal_title：BMC bioinformatics

authors： Block A,Debode F,Grohmann L,Hulin J,Taverniers I,Kluga L,Barbau-Piednoir E,Broeders S,Huber I,Van den Bulcke M,Heinze P,Berben G,Busch U,Roosens N,Janssen E,Žel J,Gruden K,Morisset D

更新日期：2013-08-22 00:00:00

abstract：BACKGROUND:Relative isotope abundance quantification, which can be used for peptide identification and differential peptide quantification, plays an important role in liquid chromatography-mass spectrometry (LC-MS)-based proteomics. However, several major issues exist in the relative isotopic quantification of peptides...

journal_title：BMC bioinformatics

authors： Haskins WE,Petritis K,Zhang J

更新日期：2011-03-15 00:00:00

abstract：BACKGROUND:Accurate annotation of translation initiation sites (TISs) is essential for understanding the translation initiation mechanism. However, the reliability of TIS annotation in widely used databases such as RefSeq is uncertain due to the lack of experimental benchmarks. RESULTS:Based on a homogeneity assumptio...

journal_title：BMC bioinformatics

authors： Hu GQ,Zheng X,Ju LN,Zhu H,She ZS

更新日期：2008-03-25 00:00:00

abstract：BACKGROUND:RNA sequencing has become an increasingly affordable way to profile gene expression patterns. Here we introduce a workflow implementing several open-source softwares that can be run on a high performance computing environment. RESULTS:Developed as a tool by the Bioinformatics Shared Resource Group (BISR) at...

journal_title：BMC bioinformatics

authors： Gadepalli VS,Ozer HG,Yilmaz AS,Pietrzak M,Webb A

更新日期：2019-12-20 00:00:00

abstract：BACKGROUND:While researchers have utilized versions of the Affymetrix human GeneChip for the assessment of expression patterns in non human primate (NHP) samples, there has been no comprehensive sequence analysis study undertaken to demonstrate that the probe sequences designed to detect human transcripts are reliably ...

journal_title：BMC bioinformatics

authors： Wang Z,Lewis MG,Nau ME,Arnold A,Vahey MT

更新日期：2004-10-26 00:00:00

abstract：BACKGROUND:MicroRNAs (miRNAs) are small ~22 nucleotide non-coding RNAs that function as post-transcriptional regulators of messenger RNA (mRNA) through base-pairing to 6-8 nucleotide long target sites, usually located within the mRNA 3' untranslated region. A common approach to validate and probe microRNA-mRNA interact...

journal_title：BMC bioinformatics

authors： Ryan BC,Werner TS,Howard PL,Chow RL

更新日期：2016-04-27 00:00:00

abstract：BACKGROUND:Mass spectrometry (MS) coupled with online separation methods is commonly applied for differential and quantitative profiling of biological samples in metabolomic as well as proteomic research. Such approaches are used for systems biology, functional genomics, and biomarker discovery, among others. An ongoin...

journal_title：BMC bioinformatics

authors： Pluskal T,Castillo S,Villar-Briones A,Oresic M

更新日期：2010-07-23 00:00:00

abstract：BACKGROUND:The improvements of high throughput technologies have produced large amounts of multi-omics experiments datasets. Initial analysis of these data has revealed many concurrent gene alterations within single dataset or/and among multiple omics datasets. Although powerful bioinformatics pipelines have been devel...

journal_title：BMC bioinformatics

authors： Chen D,Zhang F,Zhao Q,Xu J

更新日期：2019-11-08 00:00:00

abstract：BACKGROUND:For successful protein structure prediction by comparative modeling, in addition to identifying a good template protein with known structure, obtaining an accurate sequence alignment between a query protein and a template protein is critical. It has been known that the alignment accuracy can vary significant...

journal_title：BMC bioinformatics

authors： Lee M,Jeong CS,Kim D

更新日期：2007-12-03 00:00:00

abstract：BACKGROUND:A common feature of microarray experiments is the occurrence of missing gene expression data. These missing values occur for a variety of reasons, in particular, because of the filtering of poor quality spots and the removal of undefined values when a logarithmic transformation is applied to negative backgro...

journal_title：BMC bioinformatics

authors： Tom BD,Gilks WR,Brooke-Powell ET,Ajioka JW

更新日期：2005-09-26 00:00:00

abstract：BACKGROUND:Common existing phylogenetic tree visualisation tools are not able to display readable trees with more than a few thousand nodes. These existing methodologies are based in two dimensional space. RESULTS:We introduce the idea of visualising phylogenetic trees in three dimensional hyperbolic space with the Wa...

journal_title：BMC bioinformatics

authors： Hughes T,Hyun Y,Liberles DA

更新日期：2004-04-29 00:00:00

abstract：BACKGROUND:A new algorithm has been developed for generating conservation profiles that reflect the evolutionary history of the subfamily associated with a query sequence. It is based on n-gram patterns (NP{n,m}) which are sets of n residues and m wildcards in windows of size n+m. The generation of conservation profile...

journal_title：BMC bioinformatics

authors： Vries JK,Liu X

更新日期：2008-01-30 00:00:00

abstract：BACKGROUND:Identification of transcription factors (TFs) responsible for modulation of differentially expressed genes is a key step in deducing gene regulatory pathways. Most current methods identify TFs by searching for presence of DNA binding motifs in the promoter regions of co-regulated genes. However, this strateg...

journal_title：BMC bioinformatics

authors： Roy S,Heinrich K,Phan V,Berry MW,Homayouni R

更新日期：2011-10-18 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:Protein structure comparison is a fundamental task in structural biology. While the number of known protein structures has grown rapidly over the last decade, searching a large database of protein structures is still relatively slow using existing methods. There is a need for new techniques which can rapidly...

journal_title：BMC bioinformatics

authors： Zhang L,Bailey J,Konagurthu AS,Ramamohanarao K

更新日期：2010-01-18 00:00:00

abstract：BACKGROUND:The nonparametric trend test (NPT) is well suitable for identifying the genetic variants associated with quantitative traits when the trait values do not satisfy the normal distribution assumption. If the genetic model, defined according to the mode of inheritance, is known, the NPT derived under the given g...

journal_title：BMC bioinformatics

authors： Zhang W,Li H,Li Z,Li Q

更新日期：2016-01-28 00:00:00

abstract：BACKGROUND:Throughout the metazoan lineage, typically gonadal expressed Piwi proteins and their guiding piRNAs (~26-32nt in length) form a protective mechanism of RNA interference directed against the propagation of transposable elements (TEs). Most piRNAs are generated from genomic piRNA clusters. Annotation of experi...

journal_title：BMC bioinformatics

authors： Rosenkranz D,Zischler H

更新日期：2012-01-10 00:00:00

abstract：BACKGROUND:Protein-protein interactions (PPIs) can offer compelling evidence for protein function, especially when viewed in the context of proteome-wide interactomes. Bacteria have been popular subjects of interactome studies: more than six different bacterial species have been the subjects of comprehensive interactom...

journal_title：BMC bioinformatics

authors： Caufield JH,Wimble C,Shary S,Wuchty S,Uetz P

更新日期：2017-03-16 00:00:00

abstract：:Many different approaches have been developed to model and simulate gene regulatory networks. We proposed the following categories for gene regulatory network models: network parts lists, network topology models, network control logic models, and dynamic models. Here we will describe some examples for each of these ca...

journal_title：BMC bioinformatics

authors： Schlitt T,Brazma A

更新日期：2007-09-27 00:00:00

abstract：BACKGROUND:One of the greatest challenges in Metabolic Engineering is to develop quantitative models and algorithms to identify a set of genetic manipulations that will result in a microbial strain with a desirable metabolic phenotype which typically means having a high yield/productivity. This challenge is not only du...

journal_title：BMC bioinformatics

authors： Rocha M,Maia P,Mendes R,Pinto JP,Ferreira EC,Nielsen J,Patil KR,Rocha I

更新日期：2008-11-27 00:00:00

abstract：BACKGROUND:Protein-protein interactions (PPIs) play key roles in various cellular functions. In addition, some critical inter-species interactions such as host-pathogen interactions and pathogenicity occur through PPIs. Phytopathogenic bacteria infect hosts through attachment to host tissue, enzyme secretion, exopolysa...

journal_title：BMC bioinformatics

authors： Kim JG,Park D,Kim BC,Cho SW,Kim YT,Park YJ,Cho HJ,Park H,Kim KB,Yoon KO,Park SJ,Lee BM,Bhak J

更新日期：2008-01-24 00:00:00