Mechanistic Insights of Plant Growth Promoting Bacteria Mediated Drought and Salt Stress Tolerance in Plants for Sustainable Agriculture
Anmol Gupta,Richa Mishra,Smita Rai,Ambreen Bano,Neelam Pathak,Masayuki Fujita,Rajesh Kumar,Mirza Hasanuzzaman +7 more
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TLDR
The effects of P GPB on drought and salinity stress to mitigate its detrimental effects are summarized and the mechanistic insights of PGPB towards drought and Salinity stress tolerance for sustainable agriculture are discussed.Abstract:
Climate change has devastating effects on plant growth and yield. During ontogenesis, plants are subjected to a variety of abiotic stresses, including drought and salinity, affecting the crop loss (20–50%) and making them vulnerable in terms of survival. These stresses lead to the excessive production of reactive oxygen species (ROS) that damage nucleic acid, proteins, and lipids. Plant growth-promoting bacteria (PGPB) have remarkable capabilities in combating drought and salinity stress and improving plant growth, which enhances the crop productivity and contributes to food security. PGPB inoculation under abiotic stresses promotes plant growth through several modes of actions, such as the production of phytohormones, 1-aminocyclopropane-1-carboxylic acid deaminase, exopolysaccharide, siderophore, hydrogen cyanide, extracellular polymeric substances, volatile organic compounds, modulate antioxidants defense machinery, and abscisic acid, thereby preventing oxidative stress. These bacteria also provide osmotic balance; maintain ion homeostasis; and induce drought and salt-responsive genes, metabolic reprogramming, provide transcriptional changes in ion transporter genes, etc. Therefore, in this review, we summarize the effects of PGPB on drought and salinity stress to mitigate its detrimental effects. Furthermore, we also discuss the mechanistic insights of PGPB towards drought and salinity stress tolerance for sustainable agriculture.read more
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Bacillus subtilis Inoculation Improves Nutrient Uptake and Physiological Activity in Sugarcane under Drought Stress
Mariley de Cassia da Fonseca,João William Bossolani,Sirlene Lopes de Oliveira,Luiz Gustavo Moretti,José Roberto Portugal,Daniele Scudeletti,Elisa Fidêncio De Oliveira,Carlos Alexandre Costa Crusciol +7 more
TL;DR: In this paper , the authors evaluated whether inoculation with Bacillus subtilis can reduce the negative effects of drought on the nutritional, physiological, and morphological characteristics of sugarcane plants.
Journal ArticleDOI
Is Endophytic Colonization of Host Plants a Method of Alleviating Drought Stress? Conceptualizing the Hidden World of Endophytes
Roopashree Byregowda,S. Rajendra Prasad,Ralf Oelmüller,Karaba N. Nataraja,M. K. Prasanna Kumar +4 more
TL;DR: In this paper , the authors describe the relationship between endophytic fungi and host plants, summarize the current knowledge on how they reprogram the plants to promote their growth, productivity, and drought tolerance, and explain why they are promising agents in modern agriculture.
Journal ArticleDOI
Plant growth-promoting rhizobacteria: Salt stress alleviators to improve crop productivity for sustainable agriculture development
TL;DR: In this article , a review of halo-tolerant plant growth-promoting rhizo-microbiomes (PGPRs) are evaluated in the salinity-affected agriculture as they serve as excellent agents in controlling various biotic-abiotic stresses and help in the augmentation of crop productivity.
Journal ArticleDOI
Induction of resilience strategies against biochemical deteriorations prompted by severe cadmium stress in sunflower plant when Trichoderma and bacterial inoculation were used as biofertilizers
Amany H. A. Abeed,Rasha E. H. El Mahdy,Dikhnah Alshehri,Ines Hammami,Mamdouh A. Eissa,Arafat Abdel Hamed Abdel Latef,Ghada A. Mahmoud +6 more
TL;DR: A greenhouse experiment was performed using Trichoderma harzianum and plant growth-promoting (PGP) bacteria (Azotobacter chroococcum and Bacillus subtilis) individually and integrally to differentiate their potentiality in underpinning various resilience mechanisms as discussed by the authors .
Journal ArticleDOI
Plant Growth-Promoting Rhizobacteria (PGPR): A Rampart against the Adverse Effects of Drought Stress
Naoual Bouremani,Hafsa Cherif-Silini,Allaoua Silini,Ali Chenari Bouket,Lenka Luptakova,Faizah N. Alenezi,Oleg U Baranov,Lassaad Belbahri +7 more
TL;DR: The use of osmotolerant plant growth-promoting rhizobacteria (PGPR) as inoculants can alleviate water stress by increasing the water use efficiency of the plant as mentioned in this paper .
References
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