The SmpB-tmRNA Tagging System Plays Important Roles in Streptomyces coelicolor Growth and Development
2009

The Role of tmRNA in Streptomyces coelicolor Growth and Development

publication Evidence: moderate

Author Information

Author(s): Yang Chunzhong, Glover John R.

Primary Institution: Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada

Hypothesis

What role does tmRNA play in the growth and development of Streptomyces coelicolor?

Conclusion

The tmRNA tagging system is crucial for the growth and sporulation of Streptomyces coelicolor, especially under stress conditions.

Supporting Evidence

  • The ssrA gene is essential for normal growth and development in Streptomyces coelicolor.
  • Mutant strains lacking ssrA show significant growth and sporulation defects.
  • The tmRNA tagging system is important for antibiotic resistance in Streptomyces coelicolor.

Takeaway

This study shows that a special RNA helps bacteria grow and develop properly, especially when things get tough.

Methodology

The study used temperature-sensitive replicons and cosmid-based gene replacement methods to analyze the function of the ssrA gene in Streptomyces coelicolor.

Limitations

The study could not obtain ΔssrA strains using temperature-sensitive plasmids, suggesting that ssrA may be essential for growth under certain conditions.

Digital Object Identifier (DOI)

10.1371/journal.pone.0004459

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