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Microorganisms
Volume 10
Issue 7
10.3390/microorganisms10071286
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Review

A Review on the Role of Endophytes and Plant Growth Promoting Rhizobacteria in Mitigating Heat Stress in Plants

by
Shifa Shaffique
1,†,
Muhammad Aaqil Khan
1,†,
Shabir Hussain Wani
2,
Anjali Pande
3,
Muhammad Imran
1,
Sang-Mo Kang
1,
Waqas Rahim
3,
Sumera Afzal Khan
4,
Dibya Bhatta
1,
Eun-Hae Kwon
1 and
In-Jung Lee
1,*
1
Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Korea
2
Mountain Research Center for Field Crops Khudwani, Shere-e-Kashmir University of Agriculture Sciences and Technology Srinagar, Anantnag 190025, Jammu and Kashmir, India
3
Laboratory of Plant Molecular Pathology and Functional Genomics, Department of Plant Biosciences, School of Applied Biosciences, College of Agriculture and Life Science, Kyungpook National University, Daegu 41944, Korea
4
Centre of Biotechnology and Microbiology, University of Peshawar, Peshawar 45000, Pakistan
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Microorganisms 2022, 10(7), 1286; https://doi.org/10.3390/microorganisms10071286
Submission received: 4 April 2022 / Revised: 17 June 2022 / Accepted: 20 June 2022 / Published: 24 June 2022
(This article belongs to the Section Plant Microbe Interactions)
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Abstract

Among abiotic stresses, heat stress is described as one of the major limiting factors of crop growth worldwide, as high temperatures elicit a series of physiological, molecular, and biochemical cascade events that ultimately result in reduced crop yield. There is growing interest among researchers in the use of beneficial microorganisms. Intricate and highly complex interactions between plants and microbes result in the alleviation of heat stress. Plant–microbe interactions are mediated by the production of phytohormones, siderophores, gene expression, osmolytes, and volatile compounds in plants. Their interaction improves antioxidant activity and accumulation of compatible osmolytes such as proline, glycine betaine, soluble sugar, and trehalose, and enriches the nutrient status of stressed plants. Therefore, this review aims to discuss the heat response of plants and to understand the mechanisms of microbe-mediated stress alleviation on a physio-molecular basis. This review indicates that microbes have a great potential to enhance the protection of plants from heat stress and enhance plant growth and yield. Owing to the metabolic diversity of microorganisms, they can be useful in mitigating heat stress in crop plants. In this regard, microorganisms do not present new threats to ecological systems. Overall, it is expected that continued research on microbe-mediated heat stress tolerance in plants will enable this technology to be used as an ecofriendly tool for sustainable agronomy.
Keywords: heat stress; bio stimulant; microbes heat stress; bio stimulant; microbes
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MDPI and ACS Style

Shaffique, S.; Khan, M.A.; Wani, S.H.; Pande, A.; Imran, M.; Kang, S.-M.; Rahim, W.; Khan, S.A.; Bhatta, D.; Kwon, E.-H.; et al. A Review on the Role of Endophytes and Plant Growth Promoting Rhizobacteria in Mitigating Heat Stress in Plants. Microorganisms 2022, 10, 1286. https://doi.org/10.3390/microorganisms10071286

AMA Style

Shaffique S, Khan MA, Wani SH, Pande A, Imran M, Kang S-M, Rahim W, Khan SA, Bhatta D, Kwon E-H, et al. A Review on the Role of Endophytes and Plant Growth Promoting Rhizobacteria in Mitigating Heat Stress in Plants. Microorganisms. 2022; 10(7):1286. https://doi.org/10.3390/microorganisms10071286

Chicago/Turabian Style

Shaffique, Shifa, Muhammad Aaqil Khan, Shabir Hussain Wani, Anjali Pande, Muhammad Imran, Sang-Mo Kang, Waqas Rahim, Sumera Afzal Khan, Dibya Bhatta, Eun-Hae Kwon, and et al. 2022. "A Review on the Role of Endophytes and Plant Growth Promoting Rhizobacteria in Mitigating Heat Stress in Plants" Microorganisms 10, no. 7: 1286. https://doi.org/10.3390/microorganisms10071286

APA Style

Shaffique, S., Khan, M. A., Wani, S. H., Pande, A., Imran, M., Kang, S.-M., Rahim, W., Khan, S. A., Bhatta, D., Kwon, E.-H., & Lee, I.-J. (2022). A Review on the Role of Endophytes and Plant Growth Promoting Rhizobacteria in Mitigating Heat Stress in Plants. Microorganisms, 10(7), 1286. https://doi.org/10.3390/microorganisms10071286

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