Draft Genome Sequence of the Phosphate-Solubilizing Bacterium Pseudomonas argentinensis Strain SA190 Isolated from the Desert Plant
            <i>Indigofera argentea</i>

Lafi, Feras F.; Álam, Intikhab; Geurts, René; Bisseling, Ton; Bajic, Vladimir B.; Hirt, Heribert; Saad, Maged M.

doi:10.1128/genomea.01431-16

Cited by 10 publications

(14 citation statements)

References 13 publications

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“…Jordan, Saudi Arabia, and Pakistan). Specific strains showed a great potential for desert agriculture ( Bang et al, 2018 ; de Zélicourt et al, 2018 ; Bokhari et al, 2019 ), and draft genome sequences of some of these bacterial isolates have been released ( Lafi et al, 2016a , b , c , 2017a , b , c , d ), in addition to complete genome sequence analyses ( Andrés-Barrao et al, 2017 ; Eida et al, 2020 ). We suggest that root-associated microbiota isolated from plants living in extreme conditions, possibly due to evolutionary selection, are ideal for obtaining plant growth-promoting microbes with traits for plant growth and promotion of abiotic or biotic stress tolerance.…”

Section: Synthetic Holobiont Communitiesmentioning

confidence: 99%

Tailoring plant-associated microbial inoculants in agriculture: a roadmap for successful application

Saad

Eida

Hirt

2020

Journal of Experimental Botany

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Plants are now recognized as metaorganisms which are composed of a host plant associated with a multitude of microbes that provide the host plant with a variety of essential functions to adapt to the local environment. Recent research showed the remarkable importance and range of microbial partners for enhancing the growth and health of plants. However, plant–microbe holobionts are influenced by many different factors, generating complex interactive systems. In this review, we summarize insights from this emerging field, highlighting the factors that contribute to the recruitment, selection, enrichment, and dynamic interactions of plant-associated microbiota. We then propose a roadmap for synthetic community application with the aim of establishing sustainable agricultural systems that use microbial communities to enhance the productivity and health of plants independently of chemical fertilizers and pesticides. Considering global warming and climate change, we suggest that desert plants can serve as a suitable pool of potentially beneficial microbes to maintain plant growth under abiotic stress conditions. Finally, we propose a framework for advancing the application of microbial inoculants in agriculture.

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Section: Synthetic Holobiont Communitiesmentioning

confidence: 99%

Tailoring plant-associated microbial inoculants in agriculture: a roadmap for successful application

Saad

Eida

Hirt

2020

Journal of Experimental Botany

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150

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“…For these bacteria, plant-growth promoting effects have been predicted and experimentally verified for Enterobacter sp. SA187 [ 10 – 13 ].…”

Section: Introductionmentioning

confidence: 99%

Synthetic bacterial community derived from a desert rhizosphere confers salt stress resilience to tomato in the presence of a soil microbiome

et al. 2022

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The root bacterial microbiome is important for the general health of the plant. Additionally, it can enhance tolerance to abiotic stresses, exemplified by plant species found in extreme ecological niches like deserts. These complex microbe-plant interactions can be simplified by constructing synthetic bacterial communities or SynComs from the root microbiome. Furthermore, SynComs can be applied as biocontrol agents to protect crops against abiotic stresses such as high salinity. However, there is little knowledge on the design of a SynCom that offers a consistent protection against salt stress for plants growing in a natural and, therefore, non-sterile soil which is more realistic to an agricultural setting. Here we show that a SynCom of five bacterial strains, originating from the root of the desert plant Indigofera argentea, protected tomato plants growing in a non-sterile substrate against a high salt stress. This phenotype correlated with the differential expression of salt stress related genes and ion accumulation in tomato. Quantification of the SynCom strains indicated a low penetrance into the natural soil used as the non-sterile substrate. Our results demonstrate how a desert microbiome could be engineered into a simplified SynCom that protected tomato plants growing in a natural soil against an abiotic stress.

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“…To identify and characterize stress tolerance-promoting bacteria that can increase plant tolerance to abiotic stresses and therefore could be used for improving desert agriculture, we previously isolated and sequenced a number of rhizosphere and endophytic bacterial strains from nodules of desert pioneer plants [ 28 – 30 ]. Here, we report that Enterobacter sp.…”

Section: Introductionmentioning

confidence: 99%

Ethylene induced plant stress tolerance by Enterobacter sp. SA187 is mediated by 2‐keto‐4‐methylthiobutyric acid production

et al. 2018

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Several plant species require microbial associations for survival under different biotic and abiotic stresses. In this study, we show that Enterobacter sp. SA187, a desert plant endophytic bacterium, enhances yield of the crop plant alfalfa under field conditions as well as growth of the model plant Arabidopsis thaliana in vitro, revealing a high potential of SA187 as a biological solution for improving crop production. Studying the SA187 interaction with Arabidopsis, we uncovered a number of mechanisms related to the beneficial association of SA187 with plants. SA187 colonizes both the surface and inner tissues of Arabidopsis roots and shoots. SA187 induces salt stress tolerance by production of bacterial 2-keto-4-methylthiobutyric acid (KMBA), known to be converted into ethylene. By transcriptomic, genetic and pharmacological analyses, we show that the ethylene signaling pathway, but not plant ethylene production, is required for KMBA-induced plant salt stress tolerance. These results reveal a novel molecular communication process during the beneficial microbe-induced plant stress tolerance.

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Draft Genome Sequence of the Phosphate-Solubilizing Bacterium Pseudomonas argentinensis Strain SA190 Isolated from the Desert Plant Indigofera argentea

Cited by 10 publications

References 13 publications

Tailoring plant-associated microbial inoculants in agriculture: a roadmap for successful application

Tailoring plant-associated microbial inoculants in agriculture: a roadmap for successful application

Synthetic bacterial community derived from a desert rhizosphere confers salt stress resilience to tomato in the presence of a soil microbiome

Ethylene induced plant stress tolerance by Enterobacter sp. SA187 is mediated by 2‐keto‐4‐methylthiobutyric acid production

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