Genome-wide characterization of simple sequence repeats in cucumber (Cucumis sativus L.)
2010

Characterizing Microsatellites in Cucumber

Sample size: 1006 publication 10 minutes Evidence: high

Author Information

Author(s): Pablo F Cavagnaro, Douglas A Senalik, Luming Yang, Philipp W Simon, Timothy T Harkins, Chinnappa D Kodira, Sanwen Huang, Yiqun Weng

Primary Institution: University of Wisconsin, Madison, WI, USA

Hypothesis

The study aims to characterize the distribution and frequency of perfect microsatellites in the cucumber genome.

Conclusion

The cucumber genome is rich in microsatellites, with a significant number of polymorphic markers identified between two cucumber genotypes.

Supporting Evidence

  • A total of 112,073 perfect repeats were detected in the Gy14 cucumber genome sequence.
  • Using an electronic PCR strategy, a high degree of polymorphism (48.3%) was found between the two cucumber genotypes.
  • Primer sequences for more than 83,000 newly-discovered cucumber microsatellites were made publicly available.

Takeaway

Scientists studied the DNA of cucumbers to find tiny repeating sequences that can help in breeding better plants.

Methodology

The study involved analyzing genomic and EST sequences to identify microsatellites and comparing them across different cucumber genotypes.

Potential Biases

Potential bias in the selection of SSR loci may affect the observed polymorphism levels.

Limitations

The study may have an ascertainment bias due to the selection of larger microsatellite loci for analysis.

Statistical Information

P-Value

0.022

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-11-569

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