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Newt transcriptome offers insight into tissue regeneration

Date:
February 20, 2013
Source:
BioMed Central Limited
Summary:
Scientists have identified protein families expressed during tissue regeneration in newts, providing the groundwork for research into whether particular sets of genes are used for the purpose.

Scientists have identified protein families expressed during tissue regeneration in newts, providing the groundwork for research into whether particular sets of genes are used for the purpose. The transcriptome -- the map of all RNA molecules -- of the newt is published this week in BioMed Central’s open access journal Genome Biology.
Credit: Thomas Braun

Scientists have identified protein families expressed during tissue regeneration in newts, providing the groundwork for research into whether particular sets of genes are used for the purpose. The transcriptome -- the map of all RNA molecules -- of the newt is published this week in BioMed Central's open access journal Genome Biology. Notophthalmus viridescens is a useful model in regenerative medicine, thanks to its ability to regenerate tissue, and this data gives insights into the mechanisms behind this process.

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N. viridescens, the common newt, is native to North America, and an urodelian amphibian. Newt and salamander genomes are enormous; currently too big to sequence, but their potential to regenerate entire limbs, along with parts of the central nervous system, has fascinated scientists for over 200 years. Thomas Braun, Thilo Borchardt at the Max Planck Institutes, Patagonis Tsonis at the University of Dayton and their colleagues sequenced a collection of healthy and regenerated tissues from newts, and converged them into one comprehensive transcriptome. Their analysis identified 826 proteins specific for urodeles, and several newly identified proteins that they believe may play important roles in regeneration process unique for urodeles. Their data also outline genes that appear only in regenerating, but not uninjured material, which will be of interest in regenerative medicine.

The transcriptome is not complete, but serves as a matrix for further analyses. The authors believe that their findings represent only the tip of the iceberg: 'Our data provide the groundwork for mechanistic experiments to answer the question whether urodeles utilize proprietary sets of genes for tissue regeneration.' They continue: 'The newly established de novo transcriptome [...] will be an indispensable resource for a better understanding of regenerative events in newts and facilitate the identifications of molecules [...] that control this fascinating process.'


Story Source:

The above story is based on materials provided by BioMed Central Limited. Note: Materials may be edited for content and length.


Journal Reference:

  1. mario Looso, Jens Preussner, Konstantinos Sousounis, Marc Bruckskotten, Christian S. Michel, Ettore Lignelli, Richard Reinhardt, Sabrina Hφffner, Marcus Krόger, Panagiotis A. Tsonis, Thilo Borchardt and Thomas Braun. A de novo assembly of the newt transcriptome combined with proteomic validation identifies new protein families expressed during tissue regeneration. Genome Biology, 2013; (in press) [link]

Cite This Page:

BioMed Central Limited. "Newt transcriptome offers insight into tissue regeneration." ScienceDaily. ScienceDaily, 20 February 2013. <www.sciencedaily.com/releases/2013/02/130219201525.htm>.
BioMed Central Limited. (2013, February 20). Newt transcriptome offers insight into tissue regeneration. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2013/02/130219201525.htm
BioMed Central Limited. "Newt transcriptome offers insight into tissue regeneration." ScienceDaily. www.sciencedaily.com/releases/2013/02/130219201525.htm (accessed November 28, 2014).

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