Frequency, type, and distribution of EST-SSRs from three genotypes of Lolium perenne, and their conservation across orthologous sequences of Festuca arundinacea, Brachypodium distachyon, and Oryza sativa
2007

Study of SSR Markers in Perennial Ryegrass

Sample size: 25744 publication Evidence: moderate

Author Information

Author(s): Torben Asp, Ursula K Frei, Thomas Didion, Klaus K Nielsen, Thomas Lübberstedt

Primary Institution: Department of Genetics and Biotechnology, University of Århus

Hypothesis

This study aims to analyze the frequency, type, and distribution of SSR motifs in ESTs derived from three genotypes of Lolium perenne.

Conclusion

The L. perenne EST-SSR markers are a valuable resource for genetic mapping and breeding applications.

Supporting Evidence

  • 1,458 ESTs contained SSRs, representing 5.7% of the total ESTs analyzed.
  • Tri-nucleotide repeats were the most abundant type of SSRs identified.
  • The study identified 19 clusters of orthologous sequences across four species.

Takeaway

The study found that many genetic markers called SSRs are present in a type of grass, which can help scientists understand and improve these plants.

Methodology

The study involved analyzing 25,744 ESTs from three genotypes of L. perenne for SSR identification using MISA software.

Limitations

The study primarily focused on three genotypes, which may not represent the entire genetic diversity of L. perenne.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2229-7-36

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