Use of genome sequence data in the design and testing of SSR markers for Phytophthora species
2008

Designing SSR Markers for Phytophthora Species

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): Schena Leonardo, Cardle Linda, Cooke David EL

Primary Institution: Mediterranean University of Reggio Calabria

Hypothesis

Can SSR markers be effectively identified and utilized across various Phytophthora species using genome sequence data?

Conclusion

The study successfully identified novel SSR loci for multiple Phytophthora species, highlighting their potential for population studies.

Supporting Evidence

  • 171 reliable sequences containing 211 SSRs were identified.
  • Most SSRs showed seven repeats or less, with four being the most common.
  • Trinucleotide repeats were the most common, followed by pentanucleotide, tetranucleotide, and dinucleotide repeats.

Takeaway

The researchers looked for special DNA patterns in different Phytophthora species to help understand them better and find new ways to study them.

Methodology

The study involved mining unigene datasets from genome sequences of Phytophthora species to identify candidate SSR markers.

Potential Biases

The selection may be biased towards more conserved sequences, potentially reducing their utility as polymorphic markers.

Limitations

The identification of useful SSR loci applicable to anything other than closely related species was challenging due to high sequence diversity.

Digital Object Identifier (DOI)

10.1186/1471-2164-9-620

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