Anti-Apoptotic Machinery Protects the Necrotrophic Fungus Botrytis cinerea from Host-Induced Apoptotic-Like Cell Death during Plant Infection
2011

How Botrytis cinerea Survives Plant Defense Responses

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Author Information

Author(s): Shlezinger Neta, Minz Anna, Gur Yonatan, Hatam Ido, Dagdas Yasin F., Talbot Nicholas J., Sharon Amir

Primary Institution: Department of Molecular Biology and Ecology of Plants, Tel Aviv University, Tel Aviv, Israel

Hypothesis

How does the necrotrophic fungus Botrytis cinerea overcome host-induced apoptotic-like cell death during plant infection?

Conclusion

The study reveals that the anti-apoptotic machinery of Botrytis cinerea is crucial for its survival and pathogenicity during plant infection.

Supporting Evidence

  • Manipulation of the anti-apoptotic gene BcBIR1 modified fungal response to PCD-inducing conditions.
  • Strains with reduced sensitivity to PCD were hyper virulent.
  • Reduced levels of PCD in the fungus were recorded following infection of Arabidopsis mutants that show enhanced susceptibility to B. cinerea.

Takeaway

The fungus Botrytis cinerea has a special way to protect itself from dying when it infects plants, which helps it spread and cause disease.

Methodology

The researchers manipulated the anti-apoptotic gene BcBIR1 in Botrytis cinerea to study its effects on programmed cell death and pathogenicity.

Limitations

The findings are primarily based on Botrytis cinerea and may not be universally applicable to all necrotrophic pathogens.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.ppat.1002185

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