Skip to main content
Log in

Comparative ABA-Responsive Transcriptome in Soybean Cultivars Submitted to Different Levels of Drought

  • Brief Report
  • Published:
Plant Molecular Biology Reporter Aims and scope Submit manuscript

Abstract

Background

The drought condition is responsible for considerable losses in soybean production, which in turn may result in billionaire losses. After drought perception, plants activate a cascade of protecting genes against water deficit (WD), many of which are responsive to abscisic acid, the most important phytohormone to plants’ adaptation. This work aimed to recover abscisic acid (ABA)-responsive differentially expressed genes (DEG) from an RNA-Seq, carried out from leaves and roots of drought-sensitive (BR16) and tolerant (Embrapa 48) soybean cultivars under mild (MiWD), moderate (MoWD), and severe (SWD) water-deficit treatments. Enriched ABA-responsive pathways important to drought tolerance in soybean were also identified.

Results

In drought-sensitive and tolerant soybean cultivars, approximately 75% of genes were identified as ABA-responsive by containing more than two ABRE (ABA-responsive elements) in the promoter region. Most of these genes were positively regulated. Roots were the tissue with more ABA-responsive genes and pathways triggered in response to WD in both cultivars, although, on the tolerant cultivar, these pathways were higher expressed. The most important enriched ABA pathways observed in the roots of both cultivars were involved in sugar and sulfur amino acid biosynthesis, osmoregulation, and crosstalk among ABA and ethylene, jasmonate, auxin, and cytokinin. Other pathways enriched were involved in phytoalexin production, ROS homeostasis, and membrane stability by glycerolipid and glycerophospholipid production. ABA-responsive genes were also ordered based on their expression profile in tissue and cultivar, and nine confidence groups could be observed. More than 80% of these clustered genes showed the same regulation profile under MiWd, MoWD, and SWD treatments. Activation of ABA biosynthesis under water deficit was validated by RT-qPCR by increasing the expression level of NCED3, an important enzyme in this pathway, and GOLS, a known ABA-responsive gene.

Conclusions

A robust catalog of ABA-responsive genes was made available in this work. Considering ABA’s role in drought-response mechanisms, the genes in the groups pointed out in this study would be reliable candidates to be used in strategies to develop soybean lines more tolerant to drought. This paper, presented for the first time, ABA-responsive genes and ABA-enriched pathways in contrasting soybean cultivars for drought tolerance.

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

Availability of Data and Material

The datasets generated and/or analyzed during this study are available in the NCBI Sequence Read Archive (SRA) database (BioProject accession: PRJNA615913), https://www.ncbi.nlm.nih.gov/sra?linkname=bioproject_sra_all&from_uid=615913

Abbreviations

ABA:

Abscisic acid

ABRE:

Abscisic acid-responsive element

ACS:

1-Aminocyclopropane-1-carboxylate synthase

AP2:

Apetala2

ARFs:

Auxin response factors

At:

Arabidopsis thaliana

ATAF1-2:

Arabidopsis transcription activation factor 1–2

cDNA:

Complementary deoxyribonucleic acid

CKK:

Cytokinin dehydrogenase

CUC2:

Cup-shaped cotyledon

DEGs:

Differentially expressed genes

DNA:

Deoxyribonucleic acid

DNAse:

Deoxyribonuclease

DREB:

Dehydration-responsive element-binding protein

E48:

Embrapa 48

EREBPs:

Ethylene-responsive element binding proteins

ERF:

Responsive factors of ethylene

ET:

Ethylene

Gm:

Glycine max

GOLS:

Galactinol synthase

HSFs:

Heat shock factors

JA:

Jasmonic acid

JAI3/JAZ:

Jasmonate-insensitive/jasmonate-zim

KEGG:

Kyoto Encyclopedia of Genes and Genomes

LEA:

Late embryogenesis abundant

Log2 FC:

Log2 fold-change

MiWD:

Mild water-deficit treatment

MoWD:

Moderate water-deficit treatment

mRNA:

Messenger ribonucleic acid

NAC:

No apical meristem

NADPH:

Nicotinamide adenine dinucleotide phosphate

NCED3:

9-Cis-epoxycarotenoid dioxygenase

NO:

Nitric oxide

OST1:

Open stomata 1

RFO:

Raffinose family oligosaccharide

RIN:

RNA integrity number

RNA:

Ribonucleic acid

RNA-Seq:

RNA sequencing

ROS:

Reactive oxygen species

rRNA:

Ribosomal ribonucleic acid

RT-qPCR:

Reverse transcriptase quantitative polymerase chain reaction

SA:

Salicylic acid

SWD:

Severe water-deficit treatment

TFs:

Transcription factors

TSS:

Transcription start site

WD:

Water deficit.

References

Download references

Acknowledgements

The authors would like to thank the Coordination for the Improvement of Higher Education Personnel (CAPES) for granting a master’s scholarship to DRM and a doctoral scholarship to JMK and DAB, and the Embrapa Soybean and Arthur Bernardes Foundation for granting a postdoctoral fellowship to MDCM.

Funding

This research was funded by Embrapa (Brazilian Agricultural Research Corporation), CNPq (National Council for Scientific and Technological Development), and CAPES (Coordination for the Improvement of Higher Education Personnel).

Author information

Authors and Affiliations

Authors

Contributions

MDCM conceived and designed the study, performed data analysis and interpretation, and wrote the manuscript. RFP also conceived and designed the study, performed data analysis and results compilation, reviewed the manuscript, and provided scientific editing and language proofreading. EGB reviewed the manuscript and provided scientific editing and language proofreading. DAB, DRM, and SRRM were involved in the experiments and collecting of biological material in a greenhouse. LMMH and ALN are the principal researchers in the project and reviewed the final version of the manuscript. All authors have read and approved the final version of the article.

Corresponding author

Correspondence to Renata Fuganti-Pagliarini.

Ethics declarations

Ethical Approval and Consent to Participate

Not applicable.

Consent for Publication

All authors gave their consent for the publication of the research results.

Conflict of Interest

The authors declare no competing interests.

Additional information

Publisher's Note

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

Supplementary Information

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Molinari, M.D.C., Fuganti-Pagliarini, R., de Amorim Barbosa, D. et al. Comparative ABA-Responsive Transcriptome in Soybean Cultivars Submitted to Different Levels of Drought. Plant Mol Biol Rep 41, 260–276 (2023). https://doi.org/10.1007/s11105-022-01364-4

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11105-022-01364-4

Keywords

Navigation