Plant Growth Promoting Attributes and Antimicrobial Potential of Rhizospheric Bacterial Strain Asp49 Isolated From Juna Amrapar, Near Little Rann of Kutch, Gujarat, India

Chauhan, Jagruti; Bhatt, Nikita; Chauhan, Pankaj; Gohel, Sangeeta D.

doi:10.2139/ssrn.3560103

Cited by 3 publications

(5 citation statements)

References 21 publications

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“…PGPRs belong to various genera including Streptomyces, Sacharomonospora, Pseudomonas, Enterobacter, Falsibacillus, Alcaligenes, Azospirillum, Arthrobacter, Acinetobacter, Bradyrhizobium, Bacillus, Erwinia, Flavobacterium, Rhizobium, Allorhizobium, Burkholderia, and Enterobacter [72,73]. Chauhan et al [74] reported on Pantoea, Methylobacterium, Exiguobacterium, Paenibacillus, Azoarcus, and other novel PGPRs. The bacteria belonging to the phylum Actinobacteria are thought to create almost two-thirds of natural antibiotics, with members of the Streptomyces species producing more than 75% of them and they are one of the most important sources of bioactive natural compounds [75].…”

Section: Pgpr Induce the Growth And Yield Of Medicinal Plantsmentioning

confidence: 99%

“…Earlier, the role of nitrogen-fixing organisms as growth promoters of various vegetables was elucidated [86]. Chauhan et al [74] also observed nitrogen fixation by the rhizobacterial strain Asp 49 isolated from Salvadora persica L. from Gujarat (India).…”

Section: Nitrogen Fixationmentioning

confidence: 99%

“…Acidic pH, osmotic and matric stress, and carbon constraint are all environmental stress variables that modulate IAA production in bacteria [106]. Some bacteria belonging to genera Streptomyces, Enterobacter, Bacillus, Arthrobacter, Lysinibacillus, Pseudomonas are potent producers of IAA [72,74]. Goudjal et al [107] reported that Strepromyces sp.…”

Section: Iaa Productionmentioning

confidence: 99%

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Medicinal plant‐associated rhizobacteria enhance the production of pharmaceutically important bioactive compounds under abiotic stress conditions

Vaghela

Gohel

2022

J Basic Microbiol

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Interest in cultivating valuable medicinal plants to collect bioactive components has risen extensively over the world to meet the demands of health care systems, pharmaceuticals, and food businesses. Farmers commonly use chemical fertilizers to attain maximal biomass and yield, which have negative effects on the growth, development, and bioactive constituents of such medicinally important plants. Because of its low cost, environmentally friendly behavior, and nondestructive impact on soil fertility, plant health, and human health, the use of beneficial rhizobial microbiota is an alternative strategy for increasing the production of useful medicinal plants under both standard and stressed conditions. Plant growth‐promoting rhizobacteria (PGPR) associated with medicinal plants belong to the genera Azotobacter, Acinetobacter, Bacillus, Brevibacterium, Burkholderia, Exiguobacterium, Pseudomonas, Pantoea, Mycobacterium, Methylobacterium, and Serratia. These microbes enhance plant growth parameters by producing secondary metabolites, including enzymes and antibiotics, which help in nutrient uptake, enhance soil fertility, improve plant growth, and protect against plant pathogens. The role of PGPR in the production of biomass and their effect on the quality of bioactive compounds (phytochemicals) is described in this review. Additionally, the mitigation of environmental stresses including drought stress, saline stress, alkaline stress, and flooding stress to herbal plants is illustrated.

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Section: Pgpr Induce the Growth And Yield Of Medicinal Plantsmentioning

confidence: 99%

Section: Nitrogen Fixationmentioning

confidence: 99%

Section: Iaa Productionmentioning

confidence: 99%

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Medicinal plant‐associated rhizobacteria enhance the production of pharmaceutically important bioactive compounds under abiotic stress conditions

Vaghela

Gohel

2022

J Basic Microbiol

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“…To ensure the effectiveness of microbial inoculants and their positive influence on soil health, considerable research has focused on understanding the indigenous soil microbial diversity, studying their distribution, and examining their behaviour in various soil habitats [22]. PGPR enhances soil health through diverse mechanisms such as nitrogen fixation, phosphate solubilization, heavy metal sequestration, and phytohormone production (e.g., indole acetic acid, gibberellins, cytokinins) [23]. They contribute to soil mineralization, decompose crop residues, and suppress phytopathogens.…”

Section: Introductionmentioning

confidence: 99%

Role of rhizospheric microbial enzymes in plant growth promotion, antagonism, and sustainable agriculture: A review

Galani,

Chauhan,

Gohel

2024

Trends Hortic.

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Plant growth-promoting rhizobacteria (PGPR) offer eco-friendly alternatives to chemical fertilizers, promoting sustainable agriculture by enhancing soil fertility, reducing pathogens, and aiding in stress resistance. In agriculture, they play a crucial role in plant growth promotion through the production of agroactive compounds and extracellular enzymes to promote plant health and protection against phytopathogens. In the rhizosphere, diverse microbial interactions, including those with bacteria and fungi, influence plant health by production of antimicrobial compounds. The antagonism displayed by rhizobacteria plays a crucial role in shaping microbial communities and has potential applications in developing a natural and environmentally friendly approach to pest control. The rhizospheric microbes showcase their ecological importance and potential for biotechnological applications in the context of plant-microbe interactions. The extracellular enzymes produced by rhizospheric microbes like amylases, chitinases, glucanases, cellulases, proteases, and ACC deaminase contribute to plant processes and stress response emphasizing their importance in sustainable agriculture. Moreover, this review highlights the new paradigm including artificial intelligence (AI) in sustainable horticulture and agriculture as a harmonious interaction between ecological networks for promoting soil health and microbial diversity that leads to a more robust and self-regulating agricultural system for protecting the environment in the future. Overall, this review emphasizes microbial interactions and the role of rhizospheric microbial extracellular enzymes which is crucial for developing eco-friendly approaches to enhance crop production and soil health.

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“…PGPR produces many phytohormones like auxin (IAA), gibberellins, cytokines, abscisic acid, and ethylene. Plant growth regulators (PGRs) are another name for the hormones generated by PGPR [14,15].…”

Section: Introductionmentioning

confidence: 99%

Rhizospheric bacteria: Potent source of phytohormones and phytostimulants for horticultural plants in agronomy

Chauhan,

Gohel

2024

Trends Hortic.

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Horticultural crops are rich in constituents such as proteins, carbohydrates, vitamins, and minerals important for human health. Under biotic and abiotic stress conditions, rhizospheric bacteria are powerful sources of phytohormones such as indole acetic acid (IAA), gibberellic acid (GA), abscisic acid (ABA) and Plant growth regulators including cytokines, ammonia, nitrogen, siderophores, phosphate, and extra cellular enzymes. These phytohormones help horticultural crops grow both directly and indirectly. In recent agricultural practices, the massive use of chemical fertilizers causes a major loss of agricultural land that can be resolved by using the potent plant growth-promoting rhizospheric bacteria that protect the agricultural and horticultural crops from the adverse effect of phytopathogens and increase crop quality and yield. This review highlights the role of multifunctional rhizospheric bacteria in the growth promotion of horticultural crops in greenhouse conditions and agricultural fields. The relevance of plant growth hormones in horticultural crops highlighted in the current study is crucial for sustainable agriculture.

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Plant Growth Promoting Attributes and Antimicrobial Potential of Rhizospheric Bacterial Strain Asp49 Isolated From Juna Amrapar, Near Little Rann of Kutch, Gujarat, India

Cited by 3 publications

References 21 publications

Medicinal plant‐associated rhizobacteria enhance the production of pharmaceutically important bioactive compounds under abiotic stress conditions

Medicinal plant‐associated rhizobacteria enhance the production of pharmaceutically important bioactive compounds under abiotic stress conditions

Role of rhizospheric microbial enzymes in plant growth promotion, antagonism, and sustainable agriculture: A review

Rhizospheric bacteria: Potent source of phytohormones and phytostimulants for horticultural plants in agronomy

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