Comparative analysis of the Spirulina platensis subcellular proteome in response to low- and high-temperature stresses: uncovering cross-talk of signaling components
2011

Proteome Analysis of Spirulina Under Temperature Stress

publication Evidence: moderate

Author Information

Author(s): Kurdrid Pavinee, Senachak Jittisak, Sirijuntarut Matura, Yutthanasirikul Rayakorn, Phuengcharoen Phuttawadee, Jeamton Wattana, Roytrakul Sittiruk, Cheevadhanarak Supapon, Hongsthong Apiradee

Primary Institution: National Center for Genetic Engineering and Biotechnology

Hypothesis

How does the subcellular proteome of Spirulina platensis respond to low- and high-temperature stresses?

Conclusion

The study found that low-temperature stress is linked with oxidative stress and photosynthesis, while high-temperature stress did not reveal a specific mechanism.

Supporting Evidence

  • The study identified 52 differentially expressed proteins in response to low-temperature stress.
  • Three signaling proteins were found to be common between low- and high-temperature stresses.
  • The results suggest a cross-talk of signaling pathways in response to temperature changes.

Takeaway

This study looked at how Spirulina reacts to hot and cold temperatures by checking the proteins inside the cells. It found that cold makes some proteins work harder to help the plant survive.

Methodology

The study used iTRAQ-multidimensional liquid chromatography and tandem mass spectrometry to analyze protein expression in response to temperature changes.

Limitations

Some differentially expressed proteins could not be detected due to the limitations of the gel-based technique.

Statistical Information

P-Value

≤ 0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-5956-9-39

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