Can arbuscular mycorrhizal fungi and rhizobacteria facilitate 33P uptake in maize plants under water stress?

Silva, Antônio Marcos Miranda; Jones, Davey L.; Chadwick, D. R.; Qi, Xue; Cotta, Simone Raposo; Araújo, Victor Lucas Vieira Prudêncio de; Matteoli, Filipe Pereira; Lacerda-Júnior, Gileno Vieira; Pereira, Arthur P.A.; Fernandes‐Júnior, Paulo Ivan; Cardoso, Elke Jurandy Bran Nogueira

doi:10.1016/j.micres.2023.127350

Cited by 17 publications

(12 citation statements)

References 75 publications

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“…Indeed, according to the recent meta-analysis of Liu et al [ 65 ], the use of microbial consortium increased plant growth by 48%, whilst single inoculation increased only 29%. Furthermore, the interaction between AMF and other microbes such as bacteria has been shown to increase nutrient uptake by plants and alleviate drought [ 16 , 66 , 67 , 68 ].…”

Section: Discussionmentioning

confidence: 99%

“…Briefly, AMF inoculum were collected at the Brazilian Agricultural Research Corporation (Embrapa Semi-arid; 8°48′11.6″ S, 40°14′48.4″ W), in north-eastern Brazil, where a bio-prospecting program was developed to find microbes with the potential of helping crop plants to tolerate drought stress [ 16 , 35 , 36 ].…”

Section: Methodsmentioning

confidence: 99%

“…The earliest evidence of AMF dates back over 450 million years and played a crucial role in facilitating the colonisation of land by plants, with both partners (the mycobiont: AMF, and the phytobiont: plants) coevolving over time [ 10 , 11 ]. The established intimate association of AMF with plant roots is known as mycorrhizal symbiosis, which is often associated with enhanced root growth, nutrient uptake, biotic and abiotic stress tolerance and improved crop and forest productivity [ 12 , 13 , 14 , 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

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Impact of Water Shortage on Soil and Plant Attributes in the Presence of Arbuscular Mycorrhizal Fungi from a Harsh Environment

Silva

Feiler

et al. 2023

Microorganisms

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Arbuscular mycorrhizal fungi (AMF) play a crucial role in plant health due to their ability to improve tolerance to biotic and abiotic stresses. Our aim was to evaluate the effectiveness of a pool of native AMF from a harsh environment on plant performance and changes in soil attributes under different levels of drought. An experiment using maize was established, varying the soil water content to simulate severe drought (30% of the water-holding capacity [WHC]), moderate (50% of the WHC) and no drought (80% of the WHC, control treatment). Soil and plant attributes were measured (enzyme activity, microbial biomass, AMF root colonisation and plant biomass and nutrient uptake). There was a two-fold increase in plant biomass under moderate drought when compared to no drought treatment, but there was no difference in nutrient uptake. Under severe drought, there were the highest enzyme activities related to phosphorus (P) cycling and P microbial biomass, indicating higher P microbial immobilization. The increase in AMF root colonisation was observed in plants under moderate and no drought. Our findings demonstrated that the better use of the AMF inoculum varied according to drought levels, with better performance under moderate drought due to the increase in plant biomass.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impact of Water Shortage on Soil and Plant Attributes in the Presence of Arbuscular Mycorrhizal Fungi from a Harsh Environment

Silva

Feiler

et al. 2023

Microorganisms

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“…One of the most common and significant symbiotic connections is arbuscular mycorrhiza, which is formed by interactions between soil fungus and more than 80% of terrestrial plants. Even when the soil conditions are water stressed, arbuscular mycorrhiza can stimulate the rate of photosynthesis and photosynthate transport to roots, the production of phytohormones and the exudation of organic acids from roots, as well as membrane permeability to nutrient pathways [13], [14], [10].…”

Section: Population Dynamics Of Rhizobacteriamentioning

confidence: 99%

“…In their experiments with AMF (Rhizophagus clarus) and/or PGPR (Bacillus sp.) inoculations, [10] concluded that the AMF and PGPR consortium had the potential to increase nutrient uptake by plants experiencing drought to a moderate level (30%) compared to plants that were not inoculated. This shows that AMF and PGPR inoculations, both individually and together, significantly improve plant tolerance to drought and increase nutrient uptake and plant growth.…”

Section: Introductionmentioning

confidence: 99%

The Use of rhizobia and vesicular-arbuscular mycorrhiza to improve drought resistance of Kudzu (Pueraria phaseoloides (Roxb.)Benth.) in coastal land

Triwahyuningsih,

Kusmiyarti

2023

IOP Conf. Ser.: Earth Environ. Sci.

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A study was conducted to examine the association between Rhizobium and VAM fungi on the kudzu plant growth and response to drought stress in coastal dry land. The research was carried out in three phases: (1) germination of kudzu seeds; (2) multiplication of VAM and Rhizobia inoculums; and (3) inoculation of fungi and/or bacteria on plants grown at various soil moisture content. At the inoculation phase, the pot experiment was carried out for 8 weeks with a pot experiment arranged based on a 4 x 4 treatment factorial Completely Randomized Design with three replications to test the source of the inoculum and soil moisture content (25%, 50%, 75%, 100%). Observations were made on: (1) Rhizobial infection activity and nodulation; (2) VAM infection activity; (3) plant growth, and 4) population dynamics of rhizobacteria. The results showed that the rhizobia inoculation alone was not able to increase the bacterial infection activity and root nodulation, the VAM fungal infection, and plant growth. Inoculation with VAM fungi alone was able to stimulate infection activity of nodule-forming bacteria and root nodulation, VAM fungal infection activity, and plant growth. The combination of VAM fungal and rhizobial inoculation was able to stimulate fungal infection activity and growth of plant roots and shoots, but not always able to stimulate bacterial infection activity and root nodulation. Inoculation of VAM fungi alone was able to stimulate the plant growth rates even up to a drought stress level of 75%. This means that inoculation of VAM fungi alone was able to increase drought resistance and maintain the plant growth rates at high levels of drought stress.

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Coordinated influence of Funneliformis mosseae and different plant growth-promoting bacteria on growth, root functional traits, and nutrient acquisition by maize

Ain,

Hussain,

Zhang

et al. 2024

Mycorrhiza

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Can arbuscular mycorrhizal fungi and rhizobacteria facilitate 33P uptake in maize plants under water stress?

Cited by 17 publications

References 75 publications

Impact of Water Shortage on Soil and Plant Attributes in the Presence of Arbuscular Mycorrhizal Fungi from a Harsh Environment

Impact of Water Shortage on Soil and Plant Attributes in the Presence of Arbuscular Mycorrhizal Fungi from a Harsh Environment

The Use of rhizobia and vesicular-arbuscular mycorrhiza to improve drought resistance of Kudzu (Pueraria phaseoloides (Roxb.)Benth.) in coastal land

Coordinated influence of Funneliformis mosseae and different plant growth-promoting bacteria on growth, root functional traits, and nutrient acquisition by maize

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