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PubMed Journals Articles About "Locus Discovery Incorporated" - Page: 3 RSS

23:25 EST 9th December 2018 | BioPortfolio

Locus Discovery Incorporated PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Locus Discovery Incorporated articles that have been published worldwide.

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Showing "Locus Discovery Incorporated" PubMed Articles 51–75 of 3,000+

Molecular analysis of clinical Burkholderia pseudomallei isolates from southwestern coastal region of India, using multi-locus sequence typing.

The Gram-negative soil dwelling bacterium Burkholderia pseudomallei is the etiological agent of melioidosis. The disease is endemic in most parts of Southeast Asia and northern Australia. Over last few years, there has been an increase in number of melioidosis cases from India; however the disease epidemiology is less clearly understood. Multi-locus sequence typing (MLST) is a powerful genotypic method used to characterize the genetic diversity of B. Pseudomallei both within and across the geographic region...


An Analysis of Blastic Plasmacytoid Dendritic Cell Neoplasm with Translocations Involving the MYC Locus Identifies t(6;8)(p21;q24) as a Recurrent Cytogenetic Abnormality.

Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is an aggressive neoplasm with leukemic features and frequent skin involvement. Translocations involving the MYC locus have been recently identified as a recurrent cytogenetic abnormality in this entity. Our aim is to assess the clinicopathologic, immunophenotypic, and genetic features in MYC rearranged BPDCN cases.

MCR-1: a promising target for structure-based design of inhibitors to tackle polymyxin resistance.

The spread of a novel mobile colistin resistance gene (mcr1) has jeopardised the use of polymyxins, last-resort antibiotics that are used increasingly to treat infections caused by multidrug-resistant (MDR) Gram-negative pathogens. In early 2017, the WHO reported the global spread of mcr1 within a few years after its initial discovery in China. The protein encoded by mcr1 is a putative 60-kDa phosphoethanolamine (pEtN) transferase, MCR-1, and has been studied extensively since its discovery. Herein, we pres...


canSAR: update to the cancer translational research and drug discovery knowledgebase.

canSAR (http://cansar.icr.ac.uk) is a public, freely available, integrative translational research and drug discovery knowlegebase. canSAR informs researchers to help solve key bottlenecks in cancer translation and drug discovery. It integrates genomic, protein, pharmacological, drug and chemical data with structural biology, protein networks and unique, comprehensive and orthogonal 'druggability' assessments. canSAR is widely used internationally by academia and industry. Here we describe major enhancement...

A novel allele of the goldfish chdB gene: Functional evaluation and evolutionary considerations.

The twin tail of ornamental goldfish is known to be caused by a nonsense mutation in one chordin paralogue gene. Our previous molecular studies in goldfish revealed that the ancestral chordin gene was duplicated, creating the chdA and chdB genes, and the subsequent introduction of a stop codon allele in the chdA gene ( chdA ) caused the twin-tail morphology. The chdA allele was positively selected by breeders, and the allele was genetically fixed in the ornamental twin-tail goldfish population. However, l...

Long-branch attraction in species tree estimation: inconsistency of partitioned likelihood and topology-based summary methods.

With advances in sequencing technologies, there are now massive amounts of genomic data from across all life, leading to the possibility that a robust Tree of Life can be constructed. However, "gene tree heterogeneity", which is when different genomic regions can evolve differently, is a common phenomenon in multi-locus datasets, and reduces the accuracy of standard methods for species tree estimation that do not take this heterogeneity into account. New methods have been developed for species tree estimati...

ETS1 and PAX5 transcription factors recruit AID to Igh DNA.

B lymphocytes optimize antibody responses by class switch recombination (CSR), which changes the expressed constant region exon of the immunoglobulin heavy chain (IgH), and by somatic hypermutation (SH) that introduces point mutations in the variable regions of the antibody genes. Activation-induced cytidine deaminase (AID) is the key mutagenic enzyme that initiates both these antibody diversification processes by deaminating cytosine to uracil. Here we asked the question if transcription factors can mediat...

Screening for regulatory variants in 460kb encompassing the CFTR locus in cystic fibrosis patients.

It is estimated that up to 5% of cystic fibrosis transmembrane conductance regulator (CFTR) pathogenic alleles are unidentified. Some of these errors may lie in non-coding regions of the locus and impact gene expression. To identify regulatory element variants in the CFTR locus, SureSelect targeted enrichment of 460kb encompassing the gene was optimized to deep-sequence genomic DNA from 80 CF patients with an unequivocal clinical diagnosis but only one or no CFTR-coding region pathogenic variants. Bioinform...

Detection and Characterization of an Avipoxvirus in a Common Buzzard ( Buteo buteo) in Italy Using a Multiple Gene Approach.

Poxvirus infections have been reported in domestic, captive, and wild avian hosts including many raptor species. A wild Common Buzzard ( Buteo buteo) admitted to a wildlife veterinary clinic in Sardinia, Italy, showed multiple, wart-like proliferative cutaneous lesions on both legs. Histologically, there was ballooning degeneration and large intracytoplasmic inclusion bodies consistent with avipoxvirus (APV) infection. Diagnosis was confirmed by PCR detecting APV genes: P4b (locus fpv167), P35 (locus fpv140...

The Application of Multi-Locus GWAS for the Detection of Salt-Tolerance Loci in Rice.

Improving the salt-tolerance of direct-seeding rice at the seed germination stage is a major goal of breeders. Efficiently identifying salt tolerance loci will help researchers develop effective rice breeding strategies. In this study, six multi-locus genome-wide association studies (GWAS) methods (mrMLM, FASTmrMLM, FASTmrEMMA, pLARmEB, pKWmEB, and ISIS EM-BLASSO) were applied to identify quantitative trait nucleotides (QTNs) for the salt tolerance traits of 478 rice accessions with 162,529 SNPs at the seed...

Genome mining for the search and discovery of bioactive compounds: The Streptomyces paradigm.

The need for new antimicrobials is indisputable. The flight from natural products in drug discovery was unfortunate. However, the revolution that is genome mining, enabled by the explosion in sequencing technology, is a cause for hope. Nevertheless, renewed search and discovery is still a challenge. We explore novel metabolite diversity and the challenges in Streptomyces. Estimating novel bioactive metabolites remaining to be discovered is an important driver for future investment. Frequent re-discovery of ...

Identifying the inserted locus of randomly integrated expression plasmids by whole-genome sequencing of Aspergillus strains.

Whole-genome sequencing was conducted on two Aspergillus oryzae strains used for the manufacturing of food enzymes, Acrylaway® and Shearzyme®, with the aim of identifying the inserted locus of randomly integrated expression plasmid and obtaining flanking sequences for safety assessment. Illumina paired-end sequencing was employed, and the obtained reads were mapped to two references: the public genome sequence of Aspergillus oryzae RIB40 and the in-house sequence of the used expression plasmid. Introducin...

EEG Neurofeedback Is Under Strong Control of Psychosocial Factors.

Recently, a deep impact of psychosocial effects on the outcomes of neurofeedback training was suggested. Previous findings point out an association between locus of control in dealing with technology and the individual ability to up-regulate the sensorimotor rhythm (12-15 Hz) in the EEG. Since the antecedents of locus of control in dealing with technology differ between males and females, we have investigated the effect of sex of participant and experimenter on the outcomes of neurofeedback training. Mindf...

Bottlenecks for genome-edited crops on the road from lab to farm.

Gene discovery and government regulation are bottlenecks for the widespread adoption of genome-edited crops. We propose a culture of sharing and integrating crop data to accelerate the discovery and prioritization of candidate genes, as well as a strong engagement with governments and the public to address environmental and health concerns and to achieve appropriate regulatory standards.

Dynamic demethylation of the IL2RA promoter during in vitro CD4+ T cell activation in association with IL2RA expression.

IL2RA, a subunit of the high affinity receptor for interleukin-2 (IL2), plays a crucial role in immune homeostasis. Notably, IL2RA expression is induced in CD4+ T cells in response to various stimuli and is constitutive in regulatory T cells (Tregs). We selected for our study 18 CpGs located within cognate regulatory regions of the IL2RA locus and characterized their methylation in naive, regulatory, and memory CD4+ T cells. We found that 5/18 CpGs (notably CpG + 3502) show dynamic, active demethylation ...

The Epstein Barr virus circRNAome.

Our appreciation for the extent of Epstein Barr virus (EBV) transcriptome complexity continues to grow through findings of EBV encoded microRNAs, new long non-coding RNAs as well as the more recent discovery of over a hundred new polyadenylated lytic transcripts. Here we report an additional layer to the EBV transcriptome through the identification of a repertoire of latent and lytic viral circular RNAs. Utilizing RNase R-sequencing with cell models representing latency types I, II, and III, we identified E...

Dot2dot: Accurate Whole-Genome Tandem Repeats Discovery.

Large-scale sequencing projects have confirmed the hypothesis that eukaryotic DNA is rich in repetitions whose functional role needs to be elucidated. In particular, tandem repeats (TRs) (i.e. short, almost identical sequences that lie adjacent to each other) have been associated to many cellular processes and, indeed, are also involved in several genetic disorders. The need of comprehensive lists of TRs for association studies and the absence of a computational model able to capture their variability, have...

Expression Levels of the Tyrosine Hydroxylase Gene and Histone Modifications Around its Promoter in the Locus Coeruleus and Ventral Tegmental Area of Rats during Forced Abstinence from Morphine.

Epigenetic mechanisms such as histone modifications may be involved in the structural and behavioral changes associated with addiction. We studied whether morphine-induced changes in mRNA levels of the catecholamine biosynthesis enzyme, tyrosine hydroxylase (TH), are associated with histone modifications around the promoter of this gene in the locus coeruleus (LC) and ventral tegmental area (VTA) of rats.

Teenage locus of control, psychological distress, educational qualifications and occupational prestige as well as sex are independent predictors of adult binge drinking.

Our objective was to investigate various psychological and socio-demographic factors in childhood and adulthood that relate to alcohol intake and binge drinking at age 42 years. Data were drawn from the 1970 British Cohort Study (BCS70), a prospective longitudinal study monitoring the development of babies born in the in 1970 with nine follow-ups. The analytic sample comprised 5267 cohort members with data on parental social class at birth, cognitive ability at age 10, locus of control at age 16, psychologi...

Computational Toxicology Methods in Chemical Library Design and High-Throughput Screening Hit Validation.

The discovery of molecular toxicity in a clinical drug candidate can have a significant impact on both the cost and timeline of the drug discovery process. Early identification of potentially toxic compounds during screening library preparation or, alternatively, during the hit validation process, is critical to ensure that valuable time and resources are not spent pursuing compounds that may possess a high propensity for human toxicity. This chapter focuses on the application of computational molecular fil...

A two-locus hybrid incompatibility is widespread, polymorphic, and active in natural populations of Mimulus.

Reproductive isolation, which is essential for the maintenance of species in sympatry, is often incomplete between closely related species. In these taxa, reproductive barriers must evolve within species, without being degraded by ongoing gene flow. To better understand this dynamic, we investigated the frequency and geographic distribution of alleles underlying a two-locus, hybrid lethality system between naturally hybridizing species of monkeyflower (Mimulus guttatus and M. nasutus). We found that M. gutt...

Excision-reintegration at a pneumococcal phase-variable restriction-modification locus drives within- and between-strain epigenetic differentiation and inhibits gene acquisition.

Phase-variation of Type I restriction-modification systems can rapidly alter the sequence motifs they target, diversifying both the epigenetic patterns and endonuclease activity within clonally descended populations. Here, we characterize the Streptococcus pneumoniae SpnIV phase-variable Type I RMS, encoded by the translocating variable restriction (tvr) locus, to identify its target motifs, mechanism and regulation of phase variation, and effects on exchange of sequence through transformation. The specific...

Analysis of a genetic factors contributing to feathering phenotype in chickens.

In the current study, we sought to determine whether or not the endogenous retroviral ev21 influences feathering type of chickens, and if one mutation locus in the unoccupied repeat (UR) region can be used to predict the corresponding feathering type and genotype. The distribution of ev21 as well as the mutation locus in UR and occupied site (OR) regions was detected in HY-line gray progenitor (HYGP) 4 lines, HY-line brown (HYB) and Taihang chickens (TH). Furthermore, a detection method for the genotype res...

Two of a Kind: Multiple Discovery AKA Simultaneous Invention is the Rule.

Multiple discovery also known as simultaneous invention is the hypothesis that most scientific discoveries and inventions are made independently and more or less simultaneously by multiple scientists and inventors. Great minds think alike.

Inorganic mercury in human astrocytes, oligodendrocytes, corticomotoneurons and the locus ceruleus: implications for multiple sclerosis, neurodegenerative disorders and gliomas.

Neurotoxic metals have been implicated in the pathogenesis of multiple sclerosis, neurodegenerative disorders and brain tumours but studies of the location of heavy metals in human brains are rare. In a man who injected himself with metallic mercury the cellular location of mercury in his brain was studied after 5 months of continuous exposure to inorganic mercury arising from metallic mercury deposits in his organs. Paraffin sections from the primary motor and sensory cortices and the locus ceruleus in th...


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