Skip to main content
Log in

RNA interference-mediated tolerance to whitefly (Bemisia tabaci) in genetically engineered tomato

  • Original Article
  • Published:
Plant Cell, Tissue and Organ Culture (PCTOC) Aims and scope Submit manuscript

Abstract

Whitefly (Bemisia tabaci) is a polyphagous insect that causes huge damage in several horticultural crops, including tomato, by sucking nutrients from the phloem and transmitting viruses. Whiteflies are particularly difficult to manage and the use of chemicals remains the common practice, which causes the development of insecticidal resistance. Thus, there is considerable interest in the introduction of resistance to whitefly by classical and molecular breeding. Here, we explored the concept of using an RNA interference construct to silence a v-ATPase gene in whiteflies interacting with transgenic tomato plants that express siRNA molecules corresponding to a fragment from the B. tabaci vATPase. PCR analyses revealed the presence of both ΔATPase and nptII transgenes in all transgenic lines. siRNA expressing lines were challenged against whitefly and revealed a mortality rate of 57.1% in transgenic line 4.4.1, while in the control the mortality was 7.6%. Mortality of 2nd instar nymphs was higher on the transgenic plants and the development of 3rd instar nymphs was slightly longer than on the control plants. Although the attraction of insects was not significantly different between treatments, the number of eggs laid by the insects on the transgenic plants was significantly lower, compared to the controls. RT-qPCR revealed a decreased expression level of endogenous v-ATPase gene in whiteflies feeding on transgenic plants. No unexpected effect was observed on the non-target insects Myzus persicae or Tuta absoluta. Results presented here may form the foundation for the generation of elite tomato varieties resistant to whitefly, a devastating insect pest.

Key message

Genetically modified tomato was generated to express a vATPase small interfering RNA. Transgenic plants were tolerant to whiteflies (Bemisia tabaci) and revealed no effect on Myzus persicae and Tuta absoluta.

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

Similar content being viewed by others

Data availability

The data generated and/or analyzed during the current study are available from the corresponding author upon reasonable request.

Abbreviations

35SCaMV :

35 S promoter from the cauliflower mosaic virus.

AChE :

Acetylcholinesterase.

AMV :

Alfalfa mosaic virus.

Atms-i3 :

Intron 3 of the malate synthase gene from Arabidopsis thaliana.

ATP :

Adenosine triphosphate.

B5 :

Basal salt mixture containing micro and macro elements with vitamins as described by Gamborg et al. (1968)

BAP :

6-Benzylaminopurine.

cDNA :

Complementary DNA.

dsRNA :

Double-stranded RNA.

EcR :

Ecdysone receptor.

EHA105 :

Elizabeth Hood Agrobacterium 105.

hpRNA :

Hairpin RNA.

IAA :

Indole-3-acetic acid.

IBA :

Indole-3-butyric acid.

MEAM1 :

Middle East Asia Minor – 1 = Biotype B.

miRNA :

MicroRNA.

mtCOI :

Mitochondrial cytochrome oxidase I.

NPTII :

Neomycin Phosphotransferase II.

PVP :

Polyvinylpyrrolidone.

RNAi :

RNA interference.

siRNA :

Small interfering RNAs.

vATPase :

Vacuolar ATPase.

References

Download references

Acknowledgements

We would like to thank Dr. Miguel Michereff Filho (Embrapa Hortaliças, Brasília, DF, Brazil) for providing the T. absoluta and Dr. Josias C. Faria (Embrapa Arroz e Feijão, Santo Antônio de Goiás, GO, Brazil) for providing the whitefly colony. This research was partially supported by the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, Brazil, Grant Number 429161/2018-2).

Funding

Funding was provided by Empresa Brasileira de Pesquisa Agropecuária, Conselho Nacional de Desenvolvimento Científico e Tecnológico and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior.

Author information

Authors and Affiliations

Authors

Contributions

Investigation [CSRP, WRR, MCM, ALF, PVP, GBC]; Methodology [CSRP, WRR, MCM, FJLA]; Formal analysis [CSRP, PVP, FJLA]; Writing- Reviewing & Editing [CSRP, PVP, GBC, FJLA]; Conceptualization [FJLA]; Funding acquisition [FJLA], Supervision [FJLA]. All of the authors read and approved the final manuscript.

Corresponding author

Correspondence to Francisco José Lima Aragão.

Ethics declarations

Conflict of interest

The authors report no declarations of interest.

Additional information

Communicated by Sergio J. Ochatt.

Publisher’s Note

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

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Pizetta, C.S.R., Ribeiro, W.R., Ferreira, A.L. et al. RNA interference-mediated tolerance to whitefly (Bemisia tabaci) in genetically engineered tomato. Plant Cell Tiss Organ Cult 148, 281–291 (2022). https://doi.org/10.1007/s11240-021-02185-1

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11240-021-02185-1

Keywords

Navigation