نتایج جستجو برای: microsatellites
تعداد نتایج: 4084 فیلتر نتایج به سال:
Background ; Objectives: Studying several linked markers provides more information on locating disease genes locus by using genetic association analysis. The aims of this study were to introduce Multimarker Family Base Association Tests (FBAT-MM) and its Linear Combination (FBAT-LC) in multimarker genetic association analysis and to examine the association of selected microsatellites wi...
The results of our bioinformatics analysis have found over 91,000 di-, tri-, and tetranucleotide microsatellites in our survey of 25% of the X. tropicalis genome, suggesting there may be over 360,000 within the entire genome. Within the X. tropicalis genome, dinucleotide (78.7%) microsatellites vastly out numbered tri- and tetranucleotide microsatellites. Similarly, AT-rich repeats are overwhel...
Tandem repeats are genomic elements that are prone to changes in repeat number and are thus often polymorphic. These sequences are found at a high density at the start of human genes, in the gene's promoter. Increasing empirical evidence suggests that length variation in these tandem repeats can affect gene regulation. One class of tandem repeats, known as microsatellites, rapidly alter in repe...
One hundred nuclear-encoded microsatellites from a genomic library of red drum (Sciaenops ocellatus) were isolated and characterized. Eight microsatellites had tetranucleotide motifs; 92 had dinucleotide motifs. The average number of alleles per microsatellite (sample of 22-24 fish) was 17.7 (range = 2-30); gene diversity averaged 0.796 (range = 0.227-1.000). Following Bonferroni correction, ge...
background microsatellites have evoked the interest of researchers owing to their applications in different fields such as dna fingerprinting, genetic mapping, population genetics, forensics, paternity studies and evolution. objectives the present study focused on the analysis of simple sequence repeats (ssrs) in genomes of seven species from three genera of the filoviridae family. materials an...
Motif mismatches in microsatellites: insights from genome-wide investigation among 20 insect species
We present a detailed genome-wide comparative study of motif mismatches of microsatellites among 20 insect species representing five taxonomic orders. The results show that varying proportions (∼15-46%) of microsatellites identified in these species are imperfect in motif structure, and that they also vary in chromosomal distribution within genomes. It was observed that the genomic abundance of...
Microsatellites make up ∼3% of the human genome, and there is increasing evidence that some microsatellites can have important functions and can be conserved by selection. To investigate this conservation, we performed a genome-wide analysis of human microsatellites and measured their conservation using a binary character birth--death model on a mammalian phylogeny. Using a maximum likelihood m...
Although microsatellites are ubiquitous in eukaryota, the number of available markers varies strongly among taxa. This meta-analysis was conducted on 32 insect species. Sequences were obtained from two assembled whole genomes, whole genome shotgun (WGS) sequences from 10 species and screening partial genomic libraries for microsatellites from 23 species. We have demonstrated: (1) strong differe...
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