Disruption of Yarrowia lipolytica TPS1 Gene Encoding Trehalose-6-P Synthase Does Not Affect Growth in Glucose but Impairs Growth at High Temperature
2011

Effects of Disrupting the TPS1 Gene in Yarrowia lipolytica

publication Evidence: moderate

Author Information

Author(s): Carmen-Lisset Flores, Carlos Gancedo, Thomas Petit

Primary Institution: Instituto de Investigaciones Biomédicas “Alberto Sols” CSIC-UAM, Madrid, Spain

Hypothesis

Disruption of the TPS1 gene in Yarrowia lipolytica will affect its growth and trehalose metabolism.

Conclusion

Disruption of the TPS1 gene does not prevent growth in glucose but significantly impairs growth at high temperatures and reduces sporulation efficiency.

Supporting Evidence

  • Y. lipolytica can grow in glucose despite the disruption of the TPS1 gene.
  • The disruption of TPS1 leads to a significant decrease in growth at high temperatures.
  • Disruption of TPS1 reduces sporulation frequency in Y. lipolytica.

Takeaway

Scientists studied a gene in yeast that helps it grow and survive in different conditions. They found that when they changed this gene, the yeast could still grow in sugar but struggled in the heat.

Methodology

The study involved cloning the TPS1 gene, creating mutants, and analyzing their growth and trehalose levels under various conditions.

Limitations

The study primarily focused on a single gene's disruption and its immediate effects, which may not encompass all metabolic pathways involved.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023695

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