Skip to main content
Log in

A natriuretic peptide molecule from Vigna angularis, VaEG45, confers rust resistance by inhibiting fungal development

  • Original Article
  • Published:
Plant Cell Reports Aims and scope Submit manuscript

Abstract

Key message

Novel function and mechanism of a PNP molecule VaEG45 from adzuki bean involved in plant immunity.

Abstract

Plant natriuretic peptides (PNPs) can affect a broad spectrum of physiological responses in plants acting as peptidic signaling molecules. However, PNPs may play additional roles in plant immunity. Our previous transcriptome data of adzuki bean (Vigna angularis) in response to Uromyces vignae infection revealed association of PNP-encoding gene VaEG45 with U. vignae resistance. To determine the function of VaEG45 in disease resistance, we cloned the 589 bp nucleotide sequence of VaEG45 containing 2 introns, encoding a putative 13.68 kDa protein that is 131 amino acids in length. We analyzed expression in different resistant cultivars of V. angularis and found significant induction of VaEG45 expression after U. vignae infection. Transient expression of VaEG45 improved tobacco resistance against Botrytis cinerea. We next analyzed the mechanism by which VaEG45 protects plants from fungal infection by determination of the biological activity of the prokaryotic expressed VaEG45. The results showed that the fusion protein VaEG45 can significantly inhibit urediospores germination of U. vignae, mycelial growth, and the infection of tobacco by B. cinerea. Further analysis revealed that VaEG45 exhibits β-1, 3-glucanase activity. These findings uncover the function of a novel PNP molecule VaEG45 and provide new evidence about the mechanism of PNPs in plant immunity.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6

Similar content being viewed by others

Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

References

Download references

Acknowledgements

The research was supported by the Heilongjiang Provincial Natural Science Foundation of China (YQ2020C034) and the National Natural Science Foundation of China (32102173).

Funding

This work was funded by the Heilongjiang Provincial Natural Science Foundation of China (YQ2020C034) and the National Natural Science Foundation of China (32102173).

Author information

Authors and Affiliations

Authors

Contributions

YZ: conceptualization, methodology, manuscript review. XK: funding acquisition, manuscript review, validation, and editing. WS: original draft, investigation, methodology, resources. MY: methodology, resources. LY: methodology, review and editing, funding acquisition. All authors read and approved the manuscript.

Corresponding authors

Correspondence to Xiwang Ke or Yuhu Zuo.

Ethics declarations

Conflict of interest

The authors have declared that no conflict of interest exists.

Additional information

Communicated by Leandro Peña.

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Supplementary Information

Below is the link to the electronic supplementary material.

Supplementary file1 (DOCX 419 kb)

Rights and permissions

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Sun, W., Yuan, M., Yin, L. et al. A natriuretic peptide molecule from Vigna angularis, VaEG45, confers rust resistance by inhibiting fungal development. Plant Cell Rep 42, 409–420 (2023). https://doi.org/10.1007/s00299-022-02967-7

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00299-022-02967-7

Keywords

Navigation