Highly Targeted Detection of Priority Phytopathogen Pectobacterium brasiliense: From Obtaining Polyclonal Antibodies to Development and Approbation of Enzyme-Linked Immunoassay and Lateral Flow Immunoassay
2024

Detection of Pectobacterium brasiliense in Potatoes

Sample size: 43 publication 10 minutes Evidence: high

Author Information

Author(s): Safenkova Irina V., Galushka Pavel A., Varitsev Yuri A., Kamionskaya Maria V., Drenova Natalia V., Vasilyeva Anna A., Zherdev Anatoly V., Uskov Alexander I., Dzantiev Boris B.

Primary Institution: A.N. Bach Institute of Biochemistry, Research Centre of Biotechnology of the Russian Academy of Sciences

Hypothesis

Can polyclonal antibodies be developed for the specific detection of Pectobacterium brasiliense?

Conclusion

The study successfully developed immunoassays that can detect Pectobacterium brasiliense in plant material with high specificity.

Supporting Evidence

  • The developed ELISA and LFIA tests showed high specificity for P. brasiliense with no cross-reactivity to other tested pathogens.
  • ELISA confirmed 75% of positive samples according to real-time PCR.
  • LFIA coincided with PCR for 89% of negative samples.

Takeaway

Scientists created tests to find a harmful bacteria in potatoes, helping farmers know if their crops are sick.

Methodology

The study involved immunizing rabbits to obtain polyclonal antibodies, which were then used to develop ELISA and LFIA tests for detecting P. brasiliense.

Potential Biases

Potential cross-reactivity with closely related species of Pectobacterium could affect specificity.

Limitations

The sensitivity of the immunoassays is generally lower than that of real-time PCR, which may lead to false negatives in samples with low levels of P. brasiliense.

Statistical Information

P-Value

0.6855

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/microorganisms12122436

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication