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Rapidly developing functional genomics in ecological model systems via 454 transcriptome sequencing.

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Area of Science:

  • Ecological genetics
  • Genomics
  • Bioinformatics

Background:

  • Next-generation sequencing (NGS) offers novel approaches in ecological genetics.
  • Developing functional genomic tools is crucial for ecological research, especially in species lacking prior genetic resources.

Purpose of the Study:

  • To outline a strategy for ecological genetics research programs to rapidly establish functional genomic tools.
  • To review the application and challenges of 454 sequencing in ecological genetics.

Main Methods:

  • Discussion of 454 sequencing technology, including error rates and potential developments.
  • Review of de novo transcriptome assemblies, highlighting the Glanville fritillary butterfly as a model system.
  • Examination of post-sequencing data applications and challenges.

Main Results:

  • The paper details the process of moving from no genetic resources to functional genomic tools using NGS.
  • It covers challenges encountered in both model and non-model systems.
  • Applications such as database management, microarray construction, and molecular marker development are presented.

Conclusions:

  • 454 sequencing provides valuable data for ecological genetics, despite certain drawbacks.
  • Strategies for leveraging existing genomic resources in related species are discussed.
  • Future prospects and limitations of 454 sequencing in ecological research are considered.