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Molecular insights and omics-based understanding of plant–microbe interactions under drought stress

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Abstract

The detrimental effects of adverse environmental conditions are always challenging and remain a major concern for plant development and production worldwide. Plants deal with such constraints by physiological, biochemical, and morphological adaptations as well as acquiring mutual support of beneficial microorganisms. As many stress-responsive traits of plants are influenced by microbial activities, plants have developed a sophisticated interaction with microbes to cope with adverse environmental conditions. The production of numerous bioactive metabolites by rhizospheric, endo-, or epiphytic microorganisms can directly or indirectly alter the root system architecture, foliage production, and defense responses. Although plant–microbe interactions have been shown to improve nutrient uptake and stress resilience in plants, the underlying mechanisms are not fully understood. “Multi-omics” application supported by genomics, transcriptomics, and metabolomics has been quite useful to investigate and understand the biochemical, physiological, and molecular aspects of plant–microbe interactions under drought stress conditions. The present review explores various microbe-mediated mechanisms for drought stress resilience in plants. In addition, plant adaptation to drought stress is discussed, and insights into the latest molecular techniques and approaches available to improve drought-stress resilience are provided.

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Abbreviations

RUBISCO:

Ribulose bisphosphate carboxylase oxygenase

PSI/II:

Photosystem I/II

ROS:

Reactive oxygen species

ETC:

Electron transport chain

AHK1:

Arabidopsis histidine kinase 1

ABA:

Abscisic acid

CK:

Cytokinin

BR:

Brassinosteroids

JA:

Jasmonic acid

SA:

Salicylic acid

GA:

Gibberellic acid

HYR:

Higher yield rice

NAC:

No apical meristem

PYR:

Pyrabactin-resistant protein

OsNAC5/9/10:

Oryza sativa

HvTIP:

Hordeum vulgare

SOD:

Superoxide dismutase

DA:

Drought avoidance

LHC:

Light-harvesting complex

GB:

Glycine betaine

CMO:

Choline monooxygenase

BADH:

Betaine-aldehyde dehydrogenase

RWC:

Relative water content

NAD+ :

Nicotinamide adenine dinucleotide

H2O2 :

Hydrogen peroxide

MDA:

Malondialdehyde

FMOs:

Flavine monooxygenase

APX:

Ascorbate peroxidase

CAT:

Catalase

PGPR:

Plant growth promoting rhizobacteria

LEA:

Late embryogenesis abundant

ERF:

Ethylene response factor

TFs:

Transcription factors

CDKs:

Cyclin-dependent kinase

GABA:

Gamma-aminobutyric acid

IAA:

Indole acetic acid

ACC:

1-Aminocyclopropane 1-carboxylic acid

ET:

Ethylene

ETR1:

Ethylene resistant

CTR1:

Constitutive triple response1

EIN1/2/3:

Ethylene insensitive 1/2/3

SAM:

S-adenosyl-L-methionine

EPS:

Exopolysaccharide

ISR:

Induce systemic resistance

DHN:

Dehydrins

DREB:

Dehydrine response element binding

AQP:

Aquaporin

AMF:

Arbuscular mycorrhizal fungi

UFs:

Unsaturated fatty acids

GWAS:

Genome-wide association studies

QTLs:

Quantitative trait loci

NGS:

Next-generation sequencing

ECF:

Extra cytoplasmic factor

NMR:

Nuclear magnetic resonance

LC–MS:

Liquid Chromatography-Mass Spectrometry.

CRISPR/CAS9:

Clustered regularly interspaced short palindromic repeats/CRISPR-associated

RNPs:

Ribonucleoproteins

Sg-RNA:

Single guide RNA

DSB:

Double stranded break

HAT:

Histone acetyl transferase

AREB1:

Abscisic acid-response element binding protein1

NPR1:

Non-expresser pathogenesis-related gene1

bZIP:

Basic leucine zipper

References

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Acknowledgements

PS acknowledges the support from Science & Engineering Research Board (SERB) Department of Science and Technology, GoI (Grant No. CRG/2021/001206) and the 'Faculty Incentive Grant' by Institute of Eminence (IoE) Scheme by BHU, Varanasi (Letter No R/Dev/D/IoE/Seed & Incentive/2022-23/50024). PS also acknowledges, the BTIS-Net-Sub-Distributed Information Centre, funded by DBT, Govt. of India at the School of Biotechnology, Banaras Hindu University, Varanasi, India. HC and PC acknowledge the infrastructural facility provided by ICAR-NBAIM, Mau. AS acknowledges the Junior Research Fellowship from UGC, New Delhi, India (Award No. 09/382(0211)/2019-EMR-I).

Funding

AS acknowledges the Junior Research Fellowship from UGC, New Delhi, India (Award No. 09/382(0211)/2019-EMR-I).

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Authors

Contributions

PS conceptualized the manuscript. AS, PC, HC wrote the first draft of the manuscript. PS and HC reviewed and edited the manuscript. All the authors read and approved the final manuscript.

Corresponding author

Correspondence to Pratyoosh Shukla.

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The authors declare that they have no competing interests.

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Sharma, A., Choudhary, P., Chakdar, H. et al. Molecular insights and omics-based understanding of plant–microbe interactions under drought stress. World J Microbiol Biotechnol 40, 42 (2024). https://doi.org/10.1007/s11274-023-03837-4

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  • DOI: https://doi.org/10.1007/s11274-023-03837-4

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