Endophytes: An Environmental Friendly Bacteria  for Plant Growth Promotion

Batra, Priyanka; Barkodia, Monika; Ahlawat, Umang; Sansanwal, Rekha; Sharma, Tanisha; Wati, Leela

doi:10.20546/ijcmas.2018.702.229

Cited by 7 publications

(4 citation statements)

References 4 publications

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“…The inoculation of crops with halotolerant plant growth-promoting endophytic (PGPE) bacteria is considered to be an effective method for increasing the tolerance of plants to salt stress [26][27][28]. Endophytic bacteria live inside plant tissue without causing pathogenic symptoms [29] and can promote plant growth and development directly (e.g., plant hormones synthesis and, enhanced nutrient uptake) and indirectly (e.g., as biocontrol agents) [30].…”

Section: Introductionmentioning

confidence: 99%

Raising Beet Tolerance to Salinity through Bioaugmentation with Halotolerant Endophytes

et al. 2020

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Increasing land salinization in recent decades has led to a decrease in crop productivity worldwide. We hypothesized that bioaugmentation of beetroot (Beta vulgaris) with halotolerant endophytic bacterial strains isolated from the obligatory halophytic plant Salicornia europaea L. may mitigate salt stress in new host plants. Therefore, we investigated the effects of inoculation with Pseudomonas stutzeri ISE12 or Kushneria marisflavi CSE9 on B. vulgaris growth in substrates enriched with various NaCl concentrations (0, 50, 150, 300 mM). The results of this study indicated that bioaugmentation with either bacteria resulted in improved growth parameters and increased chlorophyll content, as well as decreased proline and hydrogen peroxide concentrations, in B. vulgaris organs. However, K. marisflavi CSE9 was more efficient in achieving salt stress mitigation than P. stutzeri ISE12. In conclusion, the range of salinity tolerance seems to be a key parameter in the selection of strains for beet inoculation. The selected halotolerant endophytes (P. stutzeri ISE12 and K. marisflavi CSE9) isolated from the roots of obligatory halophytic S. europaea may be employed for plant growth promotion, especially in saline areas, and have potential applications in sustainable agriculture.

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Section: Introductionmentioning

confidence: 99%

Raising Beet Tolerance to Salinity through Bioaugmentation with Halotolerant Endophytes

et al. 2020

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“…Endophytic bacteria are recognized for their role in promoting plant growth through mechanisms such as phytostimulation, biofertilization, and biocontrol ( Batra et al, 2018 ). The hypothesis that nodule endophytes may exhibit similar beneficial actions is plausible.…”

Section: Main Properties Of Nodule Endophytesmentioning

confidence: 99%

“…Among them, indole-3-acetic acid (IAA) emerges as a crucial phytohormone produced by bacteria, significantly influencing root development and nutrient absorption. Noteworthy contributors to IAA production are endophytic bacteria across various genera, demonstrating positive impacts on plant growth and development by modulating biological processes such as fruit development, cell division, and aging ( Batra et al, 2018 ). The IAA-producing capabilities of several endophytic genera, including those isolated from legume nodules (e.g., Enterobacter, Pseudomonas, Klebsiella, Burkholderia, Pantoea, Bacillus, and Rhodococcus ), have been documented ( Eid et al, 2021 ).…”

Section: Main Properties Of Nodule Endophytesmentioning

confidence: 99%

“…In the context of legumes, the combined application of rhizobial and non-rhizobial inocula has shown substantial yield increases, particularly when endophytes are compatible and growth inhibition is absent ( Batra et al, 2018 ). Notably, the positive impact of early nodulation is exemplified in recent investigations on Medicago sativa , wherein co-inoculation with a consortium of endophytic strains led to superior nodulation and enhanced nitrogen content ( Flores-Duarte et al, 2022b ).…”

Section: Use Of Nodule Endophytes As Legume Inoculantsmentioning

confidence: 99%

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Prevalence, diversity and applications potential of nodules endophytic bacteria: a systematic review

Hnini,

Aurag

2024

Front. Microbiol.

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Legumes are renowned for their distinctive biological characteristic of forming symbiotic associations with soil bacteria, mostly belonging to the Rhizobiaceae familiy, leading to the establishment of symbiotic root nodules. Within these nodules, rhizobia play a pivotal role in converting atmospheric nitrogen into a plant-assimilable form. However, it has been discerned that root nodules of legumes are not exclusively inhabited by rhizobia; non-rhizobial endophytic bacteria also reside within them, yet their functions remain incompletely elucidated. This comprehensive review synthesizes available data, revealing that Bacillus and Pseudomonas are the most prevalent genera of nodule endophytic bacteria, succeeded by Paenibacillus, Enterobacter, Pantoea, Agrobacterium, and Microbacterium. To date, the bibliographic data available show that Glycine max followed by Vigna radiata, Phaseolus vulgaris and Lens culinaris are the main hosts for nodule endophytic bacteria. Clustering analysis consistently supports the prevalence of Bacillus and Pseudomonas as the most abundant nodule endophytic bacteria, alongside Paenibacillus, Agrobacterium, and Enterobacter. Although non-rhizobial populations within nodules do not induce nodule formation, their presence is associated with various plant growth-promoting properties (PGPs). These properties are known to mediate important mechanisms such as phytostimulation, biofertilization, biocontrol, and stress tolerance, emphasizing the multifaceted roles of nodule endophytes. Importantly, interactions between non-rhizobia and rhizobia within nodules may exert influence on their leguminous host plants. This is particularly shown by co-inoculation of legumes with both types of bacteria, in which synergistic effects on plant growth, yield, and nodulation are often measured. Moreover these effects are pronounced under both stress and non-stress conditions, surpassing the impact of single inoculations with rhizobia alone.

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Endophytic Microorganisms as Biological Control Agents for Plant Pathogens: A Panacea for Sustainable Agriculture

Adetunji

Kumar

Raina

et al. 2019

Plant Biotic Interactions

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Endophytes: An Environmental Friendly Bacteria for Plant Growth Promotion

Cited by 7 publications

References 4 publications

Raising Beet Tolerance to Salinity through Bioaugmentation with Halotolerant Endophytes

Raising Beet Tolerance to Salinity through Bioaugmentation with Halotolerant Endophytes

Prevalence, diversity and applications potential of nodules endophytic bacteria: a systematic review

Endophytic Microorganisms as Biological Control Agents for Plant Pathogens: A Panacea for Sustainable Agriculture

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