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Advanced technologies for rapid, large scale and cost-effective sequencing of genomes

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Research associate/Agriculturalist
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BSc Monash...

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Mohamed Rifkhan M.
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  1. Introduction
  2. Conventional Sanger sequencing method and the NGS technology revolution
  3. Pros and cons of current NGS technologies in comparison to Sanger sequencing
  4. Conclusion

While low-cost, revolutionizing computers and gadgets seem to dazzle our eyes every time we look around, a recent and fairly rapid progression in cost-effective genome analyses is drawing quite a lot of attention, the world over. Similar to electronics, the prices for rapid sequencing of genomes are in free fall, making deciphering the genetic code a simpler task than before (Service, 2006).

Over the last five years, the development of various ?next-generation' (NGS) or ?second generation' sequencing technologies has transformed large-scale sequencing, resulting in considerable cost reduction and greater volumes of genome sequence data, as compared to the conventional methods prevailing two years ago. NGS technologies could sequence up to a billion bases per day at low cost, leaving extensive genome sequencing in the reach of scores of researchers (Pop and Salzberg, 2008; Metzker, 2010; Nowrousian, 2010). This cost-effectiveness was attained by the implementation of automation and various innovative modifications of Sanger sequencing, instead of inventing entirely new procedures (Shendure et al., 2004). This article examines how this development has come about and what can these NGS technologies contribute to an enlightened future of scientific discoveries.

[...] Therefore, with NGS rapidly developing, only time and inventiveness would establish the limits and the consequent abilities of this new paradigm, to transform genetics into contributing towards the further betterment of life (Service, 2006; Mardis, 2008; Hert et al., 2008; Pettersson et al., 2009). (1416 words) Bibliography Hall N. (2007). Advanced sequencing technologies and their wider impact in microbiology. The Journal of Experimental Biology 209: 1518-1525. Hert D.G., Fredlake C.P. and Barron A.E. (2008). Advantages and limitations of next-generation sequencing technologies: A comparison of electrophoresis and non-electrophoresis methods. Electrophoresis 29: 4618-4626. [...]


[...] Mardis E.R. (2008). The impact of next-generation sequencing technology on genetics. Trends in Genetics 24: 133-141. Metzker M.L. (2010). Sequencing technologies - the next generation. Nature Reviews Genetics 11: 31-46. Nowrousian M. (2010). Next-Generation Sequencing Techniques for Eukaryotic Microorganisms: Sequencing-Based Solutions to Biological Problems. Eukaryotic Cell 1300-1310. [...]


[...] Advanced technologies for rapid, large scale and cost-effective sequencing of genomes Introduction While low-cost, revolutionizing computers and gadgets seem to dazzle our eyes every time we look around, a recent and fairly rapid progression in cost-effective genome analyses is drawing quite a lot of attention, the world over. Similar to electronics, the prices for rapid sequencing of genomes are in free fall, making deciphering the genetic code a simpler task than before (Service, 2006). Over the last five years, the development of various ?next-generation' (NGS) or ?second generation' sequencing technologies has transformed large- scale sequencing, resulting in considerable cost reduction and greater volumes of genome sequence data, as compared to the conventional methods prevailing two years ago. [...]

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