A high-density transcript linkage map with 1,845 expressed genes positioned by microarray-based Single Feature Polymorphisms (SFP) in Eucalyptus
2011

High-density transcript linkage map of Eucalyptus

Sample size: 188 publication 10 minutes Evidence: high

Author Information

Author(s): Leandro G Neves, Eva M Mamani, Acelino C Alfenas, Matias Kirst, Dario Grattapaglia

Primary Institution: Embrapa - Recursos Genéticos e Biotecnologia

Hypothesis

Can a high-density linkage map of expressed genes be constructed for the Eucalyptus genome using Single Feature Polymorphism (SFP) markers?

Conclusion

The study successfully created a high-density gene map for Eucalyptus, significantly improving the number of genes previously positioned on Eucalyptus maps.

Supporting Evidence

  • The study mapped 1,845 genes, with 884 positioned with high likelihood support.
  • 87% of the SFPs mapped to the expected location on the Eucalyptus grandis genome draft.
  • The methodology proposed can be applied to other less characterized plant species.

Takeaway

Researchers made a detailed map of genes in Eucalyptus trees to help understand how genes relate to traits, which can help in breeding better trees.

Methodology

The study used SFP markers for genotyping and linkage mapping in a segregating population of Eucalyptus trees.

Potential Biases

Potential bias in the selection of individuals for mapping could affect the generalizability of the results.

Limitations

The study may not be applicable to all Eucalyptus species due to the specific genetic background of the mapping population used.

Participant Demographics

The mapping population consisted of 188 F1 individuals derived from an interspecific cross between E. urophylla and E. grandis.

Statistical Information

P-Value

p<0.00001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-12-189

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