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Candida albicans and other pathogenic Candida species can develop resistance to clinical fungicides through active drug export mediated by multidrug efflux pumps, in particular by members of the drug:H + antiporter family 1 (DHA1). The DHA1 proteins encoded in the genomes of 31 hemiascomycetous strains from 25 species were identified and homology relationships between these proteins and the...
A computational and in silico system level framework was developed to identify and prioritize the antibacterial drug targets in Clostridium botulinum (Clb), the causative agent of flaccid paralysis in humans that can be fatal in 5 to 10% of cases. This disease is difficult to control due to the emergence of drug-resistant pathogenic strains and the only available treatment antitoxin which can target...
The body louse has the smallest genome size among the known genome-sequenced insects. Here, 81 GPCRs were identified in Pediculus humanus humanus, 56, 14, 6 and 5 GPCRs for family-A, -B, -C and -D, respectively. These GPCRs constitute the comparable repertoire of GPCRs with other insects. Moreover, it contains a more complete set of neuropeptide and protein hormone receptors not even than Acyrthosiphon...
Next-generation sequencing data can be mapped to a reference genome to identify single-nucleotide polymorphisms/variations (SNPs/SNVs; called SNPs hereafter). In theory, SNPs can be compared across several samples and the differences can be used to create phylogenetic trees depicting relatedness among the samples. However, in practice this is difficult because currently there is no stand-alone tool...
WRKY proteins constitute a large family of transcription factors. In this study, we identified 81 WRKY genes (named HbWRKY1 to HbWRKY81) in the latest rubber tree genome. Tissue-specific expression profiles showed that 74 HbWRKYs were expressed in at least one of the tissues and the other 7 genes showed very low expression in all tissues tested, which suggested that HbWRKYs took part in many cellular...
Several oligopeptide permease (Opp) systems have been found in staphylococcal species, including Opp1-4, Opp3′ and the arginine catabolic mobile element (ACME)-encoded Opp system (ACME-Opp). They confer upon bacteria the increasing fitness, but their evolutionary histories remain unclear. In this work, we performed a genome-wide identification of Opp systems in staphylococcal species. Novel Opp systems...
In coronary artery bypass grafting (CABG), the combined use of left and right internal mammary arteries (LIMA and RIMA) — collectively known as bilateral IMAs (BIMAs) provides a survival advantage over the use of LIMA alone. However, gene expression in RIMA has never been compared to that in LIMA. Here we report a genome-wide transcriptional analysis of BIMA to investigate the expression profiles...
Long interspersed nuclear elements (Line-1 or L1s) account for ~17% of the human genome. While the majority of human L1s are inactive, ~80–100 elements remain retrotransposition competent and mobilize through RNA intermediates to different locations within the genome. De novo insertions of L1s account for polymorphic variation of the human genome and disruption of target loci at their new location...
Scarce work has been done in the analysis of the composition of conserved non-coding elements (CNEs) that are identified by comparisons of two or more genomes and are found to exist in all metazoan genomes.Here we present the analysis of CNEs with a methodology that takes into account word occurrence at various lengths scales in the form of feature vector representation and rule based classifiers...
MicroRNAs have been identified as important regulators involved in biological processes and human diseases. We proposed a computational approach to systematic identification of active promoters of miRNAs by active models using epigenetic characteristics at active promoters of protein-coding genes together with a genomic context-based filtering step in nine human cell types, which were validated to...
Rodent and human genomes were screened to identify pseudogenes of the type 1 voltage-dependent anion channel (VDAC1) in mitochondria. In addition to the 16 pseudogenes of rat VDAC1 identified in our recent study, 15 and 13 sequences were identified as pseudogenes of VDAC1 in mouse and human genome, respectively; and 4, 2, and 1 sequences, showing lower similarities with the VDAC1 sequence, were identified...
Characterization of the epigenome promises to yield the functional elements buried in the human genome sequence, thus helping to annotate non-coding DNA polymorphisms with regulatory functions. Here, we develop two novel strategies to combine epigenomic data with transcriptomic profiles in humans or mice to prioritize potential candidate SNPs associated with lipid levels by genome-wide association...
Mouse E14 embryonic stem cells (ESCs) are a well-characterized and widespread used ESC line, often employed for genome-wide studies involving next generation sequencing analysis. More than 2×10 9 sequences made on Illumina platform derived from the genome of E14 ESCs were used to build a database of about 2.7×10 6 single nucleotide variants (SNVs). The identified variants are enriched...
Copy number variations (CNVs) have emerged as another important genetic marker in addition to SNP for understanding etiology of complex diseases. In light of this, we performed a genome-wide CNV study to identify type 2 diabetes (T2D)-associated CNV using an array comparative genomic hybridization from 3180 subjects for T2D cases (n=863) and controls (n=2,317). Thus, five CNV regions having a p-value...
Spodoptera is an agriculturally important pest insect and studies in understanding its biology have been limited by the unavailability of its genome. In the present study, the genomic DNA was sequenced and assembled into 37,243 scaffolds of size, 358Mb with N50 of 53.7kb. Based on degree of identity, we could anchor 305Mb of the genome onto all the 28 chromosomes of Bombyx mori. Repeat elements were...
The identification of important factors that affect nucleosome formation is critical to clarify nucleosome-forming mechanisms and the role of the nucleosome in gene regulation. Various features reported in the literature led to our hypothesis that multiple features can together contribute to nucleosome formation. Therefore, we compiled 779 features and developed a pattern discovery and scoring algorithm...
Lupus erythematosus is a heterogeneous autoimmune condition affecting multiple organs including skin, which remains poorly understood. To investigate pathogenetic processes relevant to cutaneous lupus as compared to systemic disease, we generated genome-wide expression data from lesional and non-lesional skin of chronic cutaneous LE (CCLE) patients. We reveal LE skin-associated transcriptional profiles...
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