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An important application of gene expression data is to classify samples in a variety of diagnostic fields. However, high dimensionality and a small number of noisy samples pose significant challenges to existing classification methods. Focused on the problems of overfitting and sensitivity to noise of the dataset in the classification of microarray data, we propose an interval-valued analysis method...
We genotyped a Chinese and an Indian-origin rhesus macaque using the Affymetrix Genome-Wide Human SNP Array 6.0 and cataloged 85,473 uniquely mapping heterospecific SNPs. These SNPs were assigned to rhesus chromosomes according to their probe sequence alignments as displayed in the human and rhesus reference sequences. The conserved gene order (synteny) revealed by heterospecific SNP maps is in concordance...
TF genomic markers associated with neurogenesis, proliferation, differentiation, and epigenetic control in human embryonic neural stem cells (hENSC(, and adult human olfactory bulb neural stem cells (OBNSC) were studied by immunohistochemistry (IHC) and DNA microarray. The biological impact of TF gene changes in the examined cell types was estimated using DAVID to specify a different GO class and...
Genome-wide association (GWA) studies are currently one of the most powerful tools in identifying disease-associated genes or variants. In typical GWA studies, single-nucleotide polymorphisms (SNPs) are often used as genetic makers. Therefore, it is critical to estimate the percentage of genetic variations which can be covered by SNPs through linkage disequilibrium (LD). In this study, we use the...
The possibility to genotype embryos prior to implantation would have advantages for increasing the speed of selection of cattle. Reliable genotyping requires more DNA than can be obtained from biopsies of embryos, if they are to remain viable. Multiple displacement amplification (MDA) is a whole genome amplification technique used to increase the amount of DNA from biopsies for analysis. Reduced genome...
The complete mitochondrial genome (mitogenome) of Bombyx mori strain Dazao (Lepidoptera: Bombycidae) was determined to be 15,653bp, including 13 protein-coding genes (PCGs), two rRNA genes, 22 tRNA genes and a A+T-rich region. It has the typical gene organization and order of mitogenomes from lepidopteran insects. The AT skew of this mitogenome was slightly positive and the nucleotide composition...
Here we have identified 120 gene deletion mutants that are sensitive to 0.4M calcium in Saccharomyces cerevisiae. Twenty-seven of these mutants are of genes involved in the vacuolar protein sorting pathway, including those encoding the seven components of the ESCRT complexes, and ten of them encode the components and assembly factors of the vacuolar H + -ATPase. Both Mediator and Paf1 complexes...
The level of supercoiling in the chromosome can affect gene expression. To clarify the basis of supercoiling sensitivity, we analyzed the structural features of nucleotide sequences in the vicinity of promoters for the genes with expression enhanced and decreased in response to loss of chromosomal supercoiling in Escherichia coli. Fourier analysis of promoter sequences for supercoiling-sensitive genes...
Horn cancer accounts for nearly 83% of total tumors found in Indian Zebu cattle, which results in chronic suffering and causes heavy economic losses. Alternative splicing has been frequently implicated in the various types of cancer progression. Utilizing the transcriptome sequence generated by next generation sequencing, we analyzed the transcript data for the presence of alternative splicing using...
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