Conservation and implications of eukaryote transcriptional regulatory regions across multiple species
2008

Understanding Transcriptional Regulatory Regions in Eukaryotes

Sample size: 2961 publication Evidence: moderate

Author Information

Author(s): Wan Lin, Li Dayong, Zhang Donglei, Liu Xue, Fu Wenjiang, Zhu Lihuang, Deng Minghua, Sun Fengzhu, Qian Minping

Primary Institution: Peking University

Hypothesis

The study aims to identify and characterize transcriptional regulatory regions (TRRs) across multiple eukaryotic species.

Conclusion

The HSL model can accurately predict core TRRs across species, indicating their conservation and potential regulatory roles.

Supporting Evidence

  • The HSL model trained on yeast data was successfully applied to predict TRRs in fruit fly, human, and rice.
  • Core TRRs were found to be conserved across species, indicating their importance in gene regulation.
  • The study identified TRRs for several genes, including the human p53 gene and the rice gene OsALYL1.

Takeaway

Scientists created a model to find important DNA regions that help control how genes are turned on and off in different living things.

Methodology

The study used a hierarchical stochastic language model to identify core TRRs based on regulatory cooperation among TRR elements.

Limitations

The model may yield high false positive rates, especially in complex organisms like humans.

Digital Object Identifier (DOI)

10.1186/1471-2164-9-623

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