Characterization of phosphate-solubilizing bacteria isolated from the arid soils of a semi-desert region of north-east Mexico

Delgado, Mabel; Méndez, Juan Medina; Rodríguez‐Herrera, Raúl; Aguilar, Cristóbal N.; Cruz-Hernández, María Antonia; Balagurusamy, Nagamani

doi:10.1080/01448765.2014.909742

Cited by 21 publications

(12 citation statements)

References 18 publications

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“…Genetic distances and similarity between the selected strains were computed using the maximum composite likelihood algorithm. The phylogenetic tree was constructed using MEGA 5.1 software (Mendez 2014), and the reliability of the tree topology was evaluated by bootstrap analysis with 1000 replicates.…”

Section: Methodsmentioning

confidence: 99%

“…However, even though soils may contain a substantial reserve of total phosphorus (Collavino et al 2010), most natural soils are typically deficient in this element. This is particularly true for highly weathered soils, in which phosphorus forms insoluble complexes with aluminum, iron, and hydroxides (in acidic soils), and with calcium (in alkaline soils) (Mendez 2014). To sustain crop production, the traditional method of rectifying phosphorus deficiency involved applying large amounts of phosphate fertilizers to the soil.…”

Section: Introductionmentioning

confidence: 99%

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Isolation and characterization of phosphofungi, and screening of their plant growth-promoting activities

Wang

Sui

et al. 2018

AMB Expr

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Rhizospheric microorganisms can increase phosphorus availability in the soil. In this regard, the ability of phosphofungi to dissolve insoluble phosphorus compounds is greater than that of phosphate-solubilizing bacteria. The aim of the current study was to identify efficient phosphofungi that could be developed as commercial microbial agents. Among several phosphate-solubilizing fungal isolates screened, strain CS-1 showed the highest phosphorus-solubilization ability. Based on phylogenetic analysis of the internal transcribed spacer region sequence, it was identified as Aspergillus niger. High-performance liquid chromatography analysis revealed that the mechanism of phosphorus solubilization by CS-1 involved the synthesis and secretion of organic acids, mainly oxalic, tartaric, and citric acids. Furthermore, strain CS-1 exhibited other growth-promoting abilities, including efficient potassium release and degradation of crop straw cellulose. These properties help to returning crop residues to the soil, thereby increasing nutrient availability and sustaining organic matter concentration therein. A pot experiment revealed that CS-1 apparently increased the assessed biometric parameters of wheat seedlings, implying the potential of this strain to be developed as a commercial microbial agent. We used Illumina MiSeq sequencing to investigate the microbial community composition in the rhizosphere of uninoculated wheat plants and wheat plants inoculated with the CS-1 strain to obtain insight into the effect of the CS-1 strain inoculation. The data clearly demonstrated that CS-1 significantly reduced the content of pathogenic fungi, including Gibberella, Fusarium, Monographella, Bipolaris, and Volutella, which cause soil-borne diseases in various crops. Strain CS-1 may hence be developed into a microbial agent for plant growth improvement.Electronic supplementary materialThe online version of this article (10.1186/s13568-018-0593-4) contains supplementary material, which is available to authorized users.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of phosphofungi, and screening of their plant growth-promoting activities

Wang

Sui

et al. 2018

AMB Expr

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“…Members of the genus Enterobacter have also been reported to show PGP traits, e.g., Enterobacter sp. EnB1, isolated from semidesert soil in Mexico, which has been reported to be able to solubilize phosphate ( Delgado et al, 2014 ), or Enterobacter sp. B6, isolated from desert soil in Algeria, which showed biopesticide properties against Locusta migratoria L5 nymphs ( Oulebsir-Mohandkaci et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Complete Genome Sequence Analysis of Enterobacter sp. SA187, a Plant Multi-Stress Tolerance Promoting Endophytic Bacterium

et al. 2017

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Enterobacter sp. SA187 is an endophytic bacterium that has been isolated from root nodules of the indigenous desert plant Indigofera argentea. SA187 could survive in the rhizosphere as well as in association with different plant species, and was able to provide abiotic stress tolerance to Arabidopsis thaliana. The genome sequence of SA187 was obtained by using Pacific BioScience (PacBio) single-molecule sequencing technology, with average coverage of 275X. The genome of SA187 consists of one single 4,429,597 bp chromosome, with an average 56% GC content and 4,347 predicted protein coding DNA sequences (CDS), 153 ncRNA, 7 rRNA, and 84 tRNA. Functional analysis of the SA187 genome revealed a large number of genes involved in uptake and exchange of nutrients, chemotaxis, mobilization and plant colonization. A high number of genes were also found to be involved in survival, defense against oxidative stress and production of antimicrobial compounds and toxins. Moreover, different metabolic pathways were identified that potentially contribute to plant growth promotion. The information encoded in the genome of SA187 reveals the characteristics of a dualistic lifestyle of a bacterium that can adapt to different environments and promote the growth of plants. This information provides a better understanding of the mechanisms involved in plant-microbe interaction and could be further exploited to develop SA187 as a biological agent to improve agricultural practices in marginal and arid lands.

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“…has been employed in the bioremediation of crude oil polluted environments (Onwurah et al, 2007). One of the challenges facing microorganisms during bioremediation is the availability of macro-nutrients, such as; nitrogen and phosphorus (Bahadur et al, 2014) Pseudomonas sp has the ability to solubilize phosphorus in the soil (Delgado et al, 2014) but its major challenge is the availability of nitrogen. Pseudomonas sp.…”

Section: Discussionmentioning

confidence: 99%

Effect of Different Organic and Inorganic Nitrogen Sources on the Kinetics of the Breakdown of Crude Oil Using Pseudomonas

Obinna¹,

Ikechukwu²,

Chibuike³

et al. 2014

J. of Biological Sciences

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Characterization of phosphate-solubilizing bacteria isolated from the arid soils of a semi-desert region of north-east Mexico

Cited by 21 publications

References 18 publications

Isolation and characterization of phosphofungi, and screening of their plant growth-promoting activities

Isolation and characterization of phosphofungi, and screening of their plant growth-promoting activities

Complete Genome Sequence Analysis of Enterobacter sp. SA187, a Plant Multi-Stress Tolerance Promoting Endophytic Bacterium

Effect of Different Organic and Inorganic Nitrogen Sources on the Kinetics of the Breakdown of Crude Oil Using Pseudomonas

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