Synergistic inoculation of Azotobacter vinelandii and Serendipita indica augmented rice growth

Dabral, S. N.; Saxena, Saurabh C.; Choudhary, Devendra Kumar; Bandyopadhyay, Prasun; Sahoo, Ranjan Kumar; Tuteja, Narendra; Nath, Manoj

doi:10.1007/s13199-020-00689-6

Cited by 14 publications

(14 citation statements)

References 42 publications

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“…It would therefore be informative to test growth outcomes of combined Sv and e.g., Root11 inoculation in different barley varieties/ecotypes. The resulting synergistic inter-kingdom benefits in plant protection against fungal disease and in plant physiology are in line with studies of the Sebacinales fungus S. indica with single bacterial strains on tomato [ 85 , 89 , 90 ], rice [ 91 ], barley [ 92 ], and chickpea [ 93 ] and underline the broad functional relevance in plant health for fungi of the order Sebacinales in multi-kingdom environments. Inter-kingdom benefits in plant–beneficial microbe interactions were reported also for native isolates of Trichoderma spp.…”

Section: Discussionsupporting

confidence: 76%

The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley

et al. 2021

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Section: Discussionsupporting

confidence: 76%

The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley

et al. 2021

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“…Root11 inoculation in different barley varieties/ecotypes. The resulting synergistic inter-kingdom benefits in plant protection against fungal disease and in plant physiology (Figures 2 and 3) are in line with studies of the Sebacinales fungus S. indica with single bacterial strains on tomato (Del Barrio-Duque et al, 2019;Kumar et al, 2012;Sarma et al, 2011), rice (Dabral et al, 2020), barley (Varma et al, 2012) and chickpea (Mansotra et al, 2015) and underlay the broad functional relevance for fungi of the order Sebacinales in plant health in multi-kingdom environments.…”

Section: Discussionsupporting

confidence: 83%

The fungal root endophyteSerendipita vermiferadisplays inter-kingdom synergistic beneficial effects with the microbiota inArabidopsis thalianaand barley

Mahdi

Miyauchi

Uhlmann

et al. 2021

Preprint

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Plant root-associated bacteria can confer protection against pathogen infection. By contrast, the beneficial effects of root endophytic fungi and their synergistic interactions with bacteria remain poorly defined. We demonstrate that the combined action of a fungal root endophyte from a widespread taxon with core bacterial microbiota members provides synergistic protection against an aggressive soil-borne pathogen in Arabidopsis thaliana and barley. We additionally show early inter-kingdom growth promotion benefits which are host and microbiota composition dependent.HighlightsThe root endophytic fungus Serendipita vermifera can functionally replace core bacterial microbiota members in mitigating pathogen infection and disease symptoms.S. vermifera additionally stabilizes and potentiates the protective activities of root-associated bacteria and mitigates the negative effects of a non-native bacterial community in A. thaliana.Inter-kingdom synergistic beneficial effects do not require extensive host transcriptional reprogramming nor high levels of S. vermifera colonisation.Inter-kingdom protective benefits are largely independent of the host while synergism leading to early inter-kingdom growth promotion is driven by host species and microbiota composition.

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“…Previously, it has been shown that A. chroococcum W5 stimulates the growth of P. indica by activating the nitrogen uptake and metabolism [ 28 ]. Similarly, A. vinelandii strain SRIAz3 was also reported to promote spore formation and hyphal growth in P. indica [ 62 ]. Proteomic study results of P. indica in the presence of W5 revealed an overexpression of proteins that play an important role in oxidative stress during symbiosis, which is in good agreement with the results of Sędzielewska et al [ 63 ] and Serrano-Bueno et al [ 64 ].…”

Section: Discussionmentioning

confidence: 99%

Piriformospora indica and Azotobacter chroococcum Consortium Facilitates Higher Acquisition of N, P with Improved Carbon Allocation and Enhanced Plant Growth in Oryza sativa

Bandyopadhyay

Yadav

Kumar

et al. 2022

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The soil microbiome contributes to nutrient acquisition and plant adaptation to numerous biotic and abiotic stresses. Numerous studies have been conducted over the past decade showing that plants take up nutrients better when associated with fungi and additional beneficial bacteria that promote plant growth, but the mechanisms by which the plant host benefits from this tripartite association are not yet fully understood. In this article, we report on a synergistic interaction between rice (Oryza sativa), Piriformospora indica (an endophytic fungus colonizing the rice roots), and Azotobacter chroococcum strain W5, a free-living nitrogen-fixing bacterium. On the basis of mRNA expression analysis and enzymatic activity, we found that co-inoculation of plant roots with the fungus and the rhizobacterium leads to enhanced plant growth and improved nutrient uptake compared to inoculation with either of the two microbes individually. Proteome analysis of O. sativa further revealed that proteins involved in nitrogen and phosphorus metabolism are upregulated and improve nitrogen and phosphate uptake. Our results also show that A. chroococcum supports colonization of rice roots by P. indica, and consequentially, the plants are more resistant to biotic stress upon co-colonization. Our research provides detailed insights into the mechanisms by which microbial partners synergistically promote each other in the interaction while being associated with the host plant.

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Synergistic inoculation of Azotobacter vinelandii and Serendipita indica augmented rice growth

Cited by 14 publications

References 42 publications

The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley

The fungal root endophyte Serendipita vermifera displays inter-kingdom synergistic beneficial effects with the microbiota in Arabidopsis thaliana and barley

The fungal root endophyteSerendipita vermiferadisplays inter-kingdom synergistic beneficial effects with the microbiota inArabidopsis thalianaand barley

Piriformospora indica and Azotobacter chroococcum Consortium Facilitates Higher Acquisition of N, P with Improved Carbon Allocation and Enhanced Plant Growth in Oryza sativa

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