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CD Genomics has been providing the accurate and affordable whole genome sequencing service for couple of years. We combine both Illumina (short reads) and PacBio (long reads) platforms to achieve whole genome de novo assemblies and re-sequencing for virus, microbes, plants, animals and humans.

The Introduction of Whole Genome Sequencing

Whole genome sequencing represents the determination of the complete DNA sequence of an organism’s genome at a single time, which entails chromosomal DNA as well as DNA contained in mitochondria and chloroplasts. Whole genome sequencing provides a powerful tool for both de novo sequencing and re-sequencing. De novo sequencing refers to sequencing of a novel genome without reference sequence available. The coverage quality of de novo assembly depends on the size and continuity of the contigs. De novo sequencing generates the first genome map for a species, thus providing a valuable reference sequence for re-sequencing. Oxford Nanopore and PacBio sequencing systems enable a faster and more accurate characterization of any species at the nucleotide level.

Whole genome resequencing can identify DNA biomarkers such as single nucleotide polymorphism (SNPs), insertions and deletions (indels), structure variations (SVs), copy number variations (CNVs) and other genetic changes of the sequenced species with high accuracy. It also provides an unprecedented opportunity for characterizing the polymorphic variants in a population, which comprehensively unravels the underlying mechanisms of species origin, development, growth, and evolution. What’s more, whole genome re-sequencing is an indispensable part of genome-wide association study (GWAS), where common genetic variants in different individuals are assessed to determine if a variant is associated with a particular phenotype. GWAS can be broadly used in food safety, agriculture, and pharmacy, especially the personalized medicine.

Advantages of Whole Genome Sequencing

Single base-pair resolution De novo sequencing and genome-wide mutation characterization Population evolution and phylogenetic studies Disease research, drug discovery and development, and personalized medicine