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Thursday, January 14, 2010

BioTechniques - Bioinformatics for DNA Sequence Analysis

DNA sequencing is one of the most important platforms for the study of biological systems today.DNA Sequence determination is most commonly performed using dideoxy chain termination technology. Recently Bioinformatics for DNA Sequence Analysis, pyrosequencing has emerged as a new sequencing methodology. This technique is a widely applicable, alternative technology for the detailed characterization of nucleic acids.

BioTechniques polyacrylamide gels for DNA sequencing, the appropriate amount of urea is dissolved by heating in water and electrophoresis buffer, the respective amount of deionized acrylamide-bisacrylamide solution is added, and ammonium persulfate and Bioinformatics for DNA Sequence Analysis are added to initiate polymerization. Immediately after DNA Sequence the addition of the polymerizing agents, the gel solution is poured between two glass plates, taped together and separated by thin spacers corresponding to the desired thickness of the gel.

DNA Sequence Prior to taping, these glass plates are cleaned with Alconox detergent and hot water, are rinsed with double distilled water, and dried with a Kimwipe. Typically, the notched glass plate is treated with a silanizing reagent and then rinsed with double distilled water. After pouring, the gel immediately is laid horizontally and a well forming comb is inserted into the gel and held in place by metal clamps.Nucleotides are added iteratively to the reaction and in case of incorporation, pyrophosphate (PPi) is released.

One of the promises BioTechniques of the Human Genome Project was to change the face of biomedicine. This promise has been satisfied in many ways through the study of genomics and proteomics – new ways of studying biology that arose directly from the Human Genome Project. While we have a significantly better understanding of human genetics there is still much more to be done in the areas of improving diagnosis of disease, early detection of genetic predispositions to disease, rational drug design, improved drug target discovery and pharmacogenomics.

Advancements in molecular medicine and Bioinformatics for DNA Sequence Analysis due to next generation sequencing is not limited to the new study of small RNAs but also includes other areas in which the deep sequencing of a population of molecules is essential to the understanding of the molecular processes at work. Drug resistance is one area in particular that will benefit from the application BioTechniques of next generation sequencing. The application Bioinformatics for DNA Sequence Analysis of deep sequencing for drug resistance has been applied to infectious agents such as Mycobacterium tuberculosis, Staphylococcus aureus and HIV. The next generation sequencing platforms make the sequencing of whole bacterial genomes a routine practice.