Heterologous Expression and Functional Verification of Extracellular Carbonic Anhydrases in Bacillus safensis yw6 from Mariana Trench
2024

Study of Carbonic Anhydrases in Deep-Sea Bacteria

publication Evidence: moderate

Author Information

Author(s): Wang Xinyu, Wang Pengna, Zhao Hancheng, He Yingying, Qu Changfeng, Miao Jinlai

Primary Institution: Marine Natural Products Research and Development Key Laboratory of Qingdao, First Institute of Oceanography, Ministry of Natural Resources, Qingdao, China

Hypothesis

Can Bacillus safensis yw6 from the Mariana Trench express extracellular carbonic anhydrases with significant enzyme activity?

Conclusion

The study successfully identified and expressed three carbonic anhydrase genes from Bacillus safensis yw6, with β-CA2 showing the highest enzyme activity.

Supporting Evidence

  • Bacillus safensis yw6 was isolated from Mariana Trench sediments.
  • Three candidate extracellular carbonic anhydrase genes were identified.
  • β-CA2 exhibited the highest enzyme activity among the expressed proteins.

Takeaway

Scientists found special proteins in a deep-sea bacteria that help capture carbon from the air, which could help fight climate change.

Methodology

The study involved isolating Bacillus safensis yw6, identifying carbonic anhydrase genes through genome sequencing, and expressing these genes in E. coli for enzyme activity assays.

Limitations

The production of extracellular carbonic anhydrases in the marine environment is limited by specific conditions and low yield.

Digital Object Identifier (DOI)

10.3390/molecules29245911

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