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https://www.readbyqxmd.com/read/28540779/planning-optimisation-and-evaluation-of-hyperthermia-treatments
#1
H P Kok, A N T J Kotte, J Crezee
BACKGROUND: Hyperthermia treatment planning using dedicated simulations of power and temperature distributions is very useful to assist in hyperthermia applications. This paper describes an advanced treatment planning software package for a wide variety of applications. METHODS: The in-house developed C++ software package Plan2Heat runs on a Linux operating system. Modules are available to perform electric field and temperature calculations for many heating techniques...
March 8, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28525968/survivalgwas_sv-software-for-the-analysis-of-genome-wide-association-studies-of-imputed-genotypes-with-time-to-event-outcomes
#2
Hamzah Syed, Andrea L Jorgensen, Andrew P Morris
BACKGROUND: Analysis of genome-wide association studies (GWAS) with "time to event" outcomes have become increasingly popular, predominantly in the context of pharmacogenetics, where the survival endpoint could be death, disease remission or the occurrence of an adverse drug reaction. However, methodology and software that can efficiently handle the scale and complexity of genetic data from GWAS with time to event outcomes has not been extensively developed. RESULTS: SurvivalGWAS_SV is an easy to use software implemented using C# and run on Linux, Mac OS X & Windows operating systems...
May 19, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28503844/typeloader-a-fast-and-efficient-automated-workflow-for-the-annotation-and-submission-of-novel-full-length-hla-alleles
#3
V Surendranath, V Albrecht, J D Hayhurst, B Schöne, J Robinson, S G E Marsh, A H Schmidt, V Lange
Recent years have seen a rapid increase in the discovery of novel allelic variants of the human leukocyte antigen (HLA) genes. Commonly, only the exons encoding the peptide binding domains of novel HLA alleles are submitted. As a result, the IPD-IMGT/HLA Database lacks sequence information outside those regions for the majority of known alleles. This has implications for the application of the new sequencing technologies, which deliver sequence data often covering the complete gene. As these technologies simplify the characterization of the complete gene regions, it is desirable for novel alleles to be submitted as full-length sequences to the database...
May 14, 2017: HLA
https://www.readbyqxmd.com/read/28503667/neopeptide-analyser-a-software-tool-for-neopeptide-discovery-in-proteomics-data
#4
Mandy Peffers, Andrew R Jones, Antony McCabe, James Anderson
Experiments involving mass spectrometry (MS)-based proteomics are widely used for analyses of connective tissues. Common examples include the use of relative quantification to identify differentially expressed peptides and proteins in cartilage and tendon. We are working on characterising so-called 'neopeptides', i.e. peptides formed due to native cleavage of proteins, for example under pathological conditions. Unlike peptides typically quantified in MS workflows due to the in vitro use of an enzyme such as trypsin, a neopeptide has at least one terminus that was not due to the use of trypsin in the workflow...
April 7, 2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28486579/biomake-a-gnu-make-compatible-utility-for-declarative-workflow-management
#5
Ian H Holmes, Christopher J Mungall
. The Unix "make" program is widely used in bioinformatics pipelines, but suffers from problems that limit its application to large analysis datasets. These include reliance on file modification times to determine whether a target is stale, lack of support for parallel execution on clusters, and restricted flexibility to extend the underlying logic program. . We present BioMake, a make-like utility that is compatible with most features ofGNUMake and adds support for popular cluster-based job-queue engines, MD5 signatures as an alternative to timestamps, and logic programming extensions in Prolog...
May 9, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28481978/application-of-the-cghra-framework-to-the-genomic-characterization-of-diffuse-large-b-cell-lymphoma
#6
Sylvain Mareschal, Philippe Ruminy, Marion Alcantara, Céline Villenet, Martin Figeac, Sydney Dubois, Philippe Bertrand, Abdelilah Bouzelfen, Pierre-Julien Viailly, Dominique Penther, Hervé Tilly, Christian Bastard, Fabrice Jardin
Motivation: Although sequencing-based technologies are becoming the new reference in genome analysis, comparative genomic hybridization arrays (aCGH) still constitute a simple and reliable approach for copy number analysis. The most powerful algorithms to analyse such data have been freely provided by the scientific community for many years, but combining them is a complex scripting task. Results: The cghRA framework combines a user-friendly graphical interface and a powerful objectoriented command-line interface to handle a full aCGH analysis, as is illustrated in an original series of 107 Diffuse Large B-Cell Lymphomas...
May 8, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28481970/foldit-standalone-a-video-game-derived-protein-structure-manipulation-interface-using-rosetta
#7
Robert Kleffner, Jeff Flatten, Andrew Leaver-Fay, David Baker, Justin B Siegel, Firas Khatib, Seth Cooper
Summary: Foldit Standalone is an interactive graphical interface to the Rosetta molecular modeling package. In contrast to most command-line or batch interactions with Rosetta, Foldit Standalone is designed to allow easy, real-time, direct manipulation of protein structures, while also giving access to the extensive power of Rosetta computations. Derived from the user interface of the scientific discovery game Foldit (itself based on Rosetta), Foldit Standalone has added more advanced features and removed the competitive game elements...
May 8, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28480121/alchemy-a-web-2-0-real-time-quality-assurance-platform-for-human-immunodeficiency-virus-hepatitis-c-virus-and-bk-virus-quantitation-assays
#8
Emmanuel Agosto-Arroyo, Gina M Coshatt, Thomas S Winokur, Shuko Harada, Seung L Park
BACKGROUND: The molecular diagnostics laboratory faces the challenge of improving test turnaround time (TAT). Low and consistent TATs are of great clinical and regulatory importance, especially for molecular virology tests. Laboratory information systems (LISs) contain all the data elements necessary to do accurate quality assurance (QA) reporting of TAT and other measures, but these reports are in most cases still performed manually: a time-consuming and error-prone task. The aim of this study was to develop a web-based real-time QA platform that would automate QA reporting in the molecular diagnostics laboratory at our institution, and minimize the time expended in preparing these reports...
2017: Journal of Pathology Informatics
https://www.readbyqxmd.com/read/28476995/parallel-implementation-of-d-phylo-algorithm-for-maximum-likelihood-clusters
#9
Shamita Malik, Dolly Sharma, Sunil Kumar Khatri
This study explains a newly developed parallel algorithm for phylogenetic analysis of DNA sequences. The newly designed D-Phylo is a more advanced algorithm for phylogenetic analysis using maximum likelihood approach. The D-Phylo while misusing the seeking capacity of k-means keeps away from its real constraint of getting stuck at privately conserved motifs. The authors have tested the behaviour of D-Phylo on Amazon Linux Amazon Machine Image(Hardware Virtual Machine)i2.4xlarge, six central processing unit, 122 GiB memory, 8 × 800 Solid-state drive Elastic Block Store volume, high network performance up to 15 processors for several real-life datasets...
March 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28469375/numericware-i-identical-by-state-matrix-calculator
#10
REVIEW
Bongsong Kim, William D Beavis
We introduce software, Numericware i, to compute identical by state (IBS) matrix based on genotypic data. Calculating an IBS matrix with a large dataset requires large computer memory and takes lengthy processing time. Numericware i addresses these challenges with 2 algorithmic methods: multithreading and forward chopping. The multithreading allows computational routines to concurrently run on multiple central processing unit (CPU) processors. The forward chopping addresses memory limitation by dividing a dataset into appropriately sized subsets...
2017: Evolutionary Bioinformatics Online
https://www.readbyqxmd.com/read/28464826/microtaboo-a-general-and-practical-solution-to-the-k-disjoint-problem
#11
Mohammed Al-Jaff, Eric Sandström, Manfred Grabherr
BACKGROUND: A common challenge in bioinformatics is to identify short sub-sequences that are unique in a set of genomes or reference sequences, which can efficiently be achieved by k-mer (k consecutive nucleotides) counting. However, there are several areas that would benefit from a more stringent definition of "unique", requiring that these sub-sequences of length W differ by more than k mismatches (i.e. a Hamming distance greater than k) from any other sub-sequence, which we term the k-disjoint problem...
May 2, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28464287/geno-diver-a-combined-coalescence-and-forward-in-time-simulator-for-populations-undergoing-selection-for-complex-traits
#12
J T Howard, F Tiezzi, J E Pryce, C Maltecca
Geno-Diver is a combined coalescence and forward-in-time simulator designed to simulate complex traits with a quantitative and/or fitness component and implement multiple selection and mating strategies utilizing pedigree or genomic information. The simulation is carried out in two steps. The first step generates whole-genome sequence data for founder individuals. A variety of trait architectures can be generated for quantitative and fitness traits along with their covariance. The second step generates new individuals forward-in-time based on a variety of selection and mating scenarios...
May 2, 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/28453688/edlib-a-c-c%C3%A2-library-for-fast-exact-sequence-alignment-using-edit-distance
#13
Martin Šošic, Mile Šikic
Summary: We present Edlib, an open-source C/C ++ library for exact pairwise sequence alignment using edit distance. We compare Edlib to other libraries and show that it is the fastest while not lacking in functionality and can also easily handle very large sequences. Being easy to use, flexible, fast and low on memory usage, we expect it to be easily adopted as a building block for future bioinformatics tools. Availability and Implementation: Source code, installation instructions and test data are freely available for download at https://github...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453684/mappi-dat-data-management-and-analysis-for-protein-protein-interaction-data-from-the-high-throughput-mappit-cell-microarray-platform
#14
Surya Gupta, Veronic De Puysseleyr, José Van der Heyden, Davy Maddelein, Irma Lemmens, Sam Lievens, Sven Degroeve, Jan Tavernier, Lennart Martens
Summary: Protein-protein interaction (PPI) studies have dramatically expanded our knowledge about cellular behaviour and development in different conditions. A multitude of high-throughput PPI techniques have been developed to achieve proteome-scale coverage for PPI studies, including the microarray based Mammalian Protein-Protein Interaction Trap (MAPPIT) system. Because such high-throughput techniques typically report thousands of interactions, managing and analysing the large amounts of acquired data is a challenge...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28449110/veqtl-mapper-variance-association-mapping-for-molecular-phenotypes
#15
Andrew Anand Brown
Motivation: Genetic loci associated with the variance of phenotypic traits have been of recent interest as they can be signatures of genetic interactions, gene by environment interactions, parent of origin effects and canalisation. We present a fast efficient tool to map loci affecting variance of gene expression and other molecular phenotypes in cis. Results: Applied to the publicly available Geuvadis gene expression dataset, we identify 816 loci associated with variance of gene expression using an additive model, and 32 showing differences in variance between homozygous and heterozygous alleles, signatures of parent of origin effects...
April 25, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28439833/srnatoolboxvm-small-rna-analysis-in-a-virtual-machine
#16
Cristina Gómez-Martín, Ricardo Lebrón, Antonio Rueda, José L Oliver, Michael Hackenberg
High-throughput sequencing (HTS) data for small RNAs (noncoding RNA molecules that are 20-250 nucleotides in length) can now be routinely generated by minimally equipped wet laboratories; however, the bottleneck in HTS-based research has shifted now to the analysis of such huge amount of data. One of the reasons is that many analysis types require a Linux environment but computers, system administrators, and bioinformaticians suppose additional costs that often cannot be afforded by small to mid-sized groups or laboratories...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28420677/tcup-typing-and-characterization-of-bacteria-using-bottom-up-tandem-mass-spectrometry-proteomics
#17
Fredrik Boulund, Roger Karlsson, Lucia Gonzales-Siles, Anna Johnning, Nahid Karami, Omar Al-Bayati, Christina Ahren, Edward R B Moore, Erik Kristiansson
Methods for rapid and reliable microbial identification are essential in modern healthcare. The ability to detect and correctly identify pathogenic species and their resistance phenotype is necessary for accurate diagnosis and efficient treatment of infectious diseases. Bottom-up tandem mass spectrometry (MS) proteomics enables rapid characterization of large parts of the expressed genes of microorganisms. However, the generated data is highly fragmented, making down-stream analyses complex. Here we present TCUP, a new computational method for typing and characterizing bacteria using proteomics data from bottom-up tandem MS...
April 18, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28416945/a-chip-seq-data-analysis-pipeline-based-on-bioconductor-packages
#18
Seung-Jin Park, Jong-Hwan Kim, Byung-Ha Yoon, Seon-Young Kim
Nowadays, huge volumes of chromatin immunoprecipitation-sequencing (ChIP-Seq) data are generated to increase the knowledge on DNA-protein interactions in the cell, and accordingly, many tools have been developed for ChIP-Seq analysis. Here, we provide an example of a streamlined workflow for ChIP-Seq data analysis composed of only four packages in Bioconductor: dada2, QuasR, mosaics, and ChIPseeker. 'dada2' performs trimming of the high-throughput sequencing data. 'QuasR' and 'mosaics' perform quality control and mapping of the input reads to the reference genome and peak calling, respectively...
March 2017: Genomics & Informatics
https://www.readbyqxmd.com/read/28389638/imgmd-a-platform-for-the-integration-and-standardisation-of-in-silico-microbial-genome-scale-metabolic-models
#19
Chao Ye, Nan Xu, Chuan Dong, Yuannong Ye, Xuan Zou, Xiulai Chen, Fengbiao Guo, Liming Liu
Genome-scale metabolic models (GSMMs) constitute a platform that combines genome sequences and detailed biochemical information to quantify microbial physiology at the system level. To improve the unity, integrity, correctness, and format of data in published GSMMs, a consensus IMGMD database was built in the LAMP (Linux + Apache + MySQL + PHP) system by integrating and standardizing 328 GSMMs constructed for 139 microorganisms. The IMGMD database can help microbial researchers download manually curated GSMMs, rapidly reconstruct standard GSMMs, design pathways, and identify metabolic targets for strategies on strain improvement...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28386247/gamola2-a-comprehensive-software-package-for-the-annotation-and-curation-of-draft-and-complete-microbial-genomes
#20
Eric Altermann, Jingli Lu, Alan McCulloch
Expert curated annotation remains one of the critical steps in achieving a reliable biological relevant annotation. Here we announce the release of GAMOLA2, a user friendly and comprehensive software package to process, annotate and curate draft and complete bacterial, archaeal, and viral genomes. GAMOLA2 represents a wrapping tool to combine gene model determination, functional Blast, COG, Pfam, and TIGRfam analyses with structural predictions including detection of tRNAs, rRNA genes, non-coding RNAs, signal protein cleavage sites, transmembrane helices, CRISPR repeats and vector sequence contaminations...
2017: Frontiers in Microbiology
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