Differential selection on gene translation efficiency between the filamentous fungus Ashbya gossypii and yeasts
2008

Gene Translation Efficiency in Ashbya gossypii vs. Yeasts

Sample size: 3151 publication Evidence: moderate

Author Information

Author(s): Jiang Huifeng, Zhang Yue, Sun Jun, Wang Wen, Gu Zhenglong

Primary Institution: Cornell University

Hypothesis

The differences in gene translation efficiency between Ashbya gossypii and yeasts may account for their phenotypic divergence.

Conclusion

The study found that higher translation efficiency of cell cycle genes in Ashbya gossypii may explain its multicellular growth compared to unicellular yeasts.

Supporting Evidence

  • The study identified 3,151 orthologous genes between A. gossypii and nine yeast species.
  • Group I genes are significantly enriched with cell cycle functions.
  • Group II genes are biased toward metabolic functions.
  • Fisher's exact test indicates that confirmed cell cycle genes in A. gossypii are enriched in Group I.

Takeaway

This study looked at how genes work differently in a fungus and yeasts, finding that the fungus has genes that help it grow in a special way.

Methodology

Codon usage patterns were compared to identify orthologous genes with different gene regulation between A. gossypii and nine closely related yeast species.

Statistical Information

P-Value

0.003

Confidence Interval

95%

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1471-2148-8-343

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