Isolation and characterisation of phosphate solubilizing microorganisms from peat

Hii, Yiik Siang; Chan, Yen San; Lau, Shiew Wei; Danquah, Michael Kobin

doi:10.1016/j.bcab.2020.101643

Cited by 32 publications

(26 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, a huge proportion of phosphatic fertilizers precipitate in the soil. These contain a variety of heavy metals (Azzi et al 2017), so that heavy metals accumulate in the soil, causing a detrimental effect on soil fertility and animal and consumer health, as well as eutrophication and a widening carbon footprint (Huang et al 2017a). In the circumstances, there is an exigency for an eco-friendly approach that can achieve the same goal as synthetic fertilizers, without the cons.…”

Section: Introductionmentioning

confidence: 99%

Phosphate-Solubilizing Microorganisms: Mechanism and Their Role in Phosphate Solubilization and Uptake

Rawat

Das

Shankhdhar

et al. 2020

J Soil Sci Plant Nutr

292

130

View full text Add to dashboard Cite

Phosphorus is the second most critical macronutrient after nitrogen required for metabolism, growth, and development of plants. Despite the abundance of phosphorus in both organic and inorganic forms in the soil, it is mostly unavailable for plant uptake due to its complexation with metal ions in the soil. The use of agrochemicals to satisfy the demand for phosphorus to improve crop yield has led to the deterioration of the ecosystem and soil health, as well as an imbalance in the soil microbiota. Consequently, there is a demand for an alternate cost-effective and eco-friendly strategy for the biofortification of phosphorus. One such strategy is the application of phosphate-solubilizing microorganisms which can solubilize insoluble phosphates in soil by different mechanisms like secretion of organic acids, enzyme production, and excretion of siderophores that can chelate the metal ions and form complexes, making phosphates available for plant uptake. These microbes not only solubilize phosphates but also promote plant growth and crop yield by producing plant-growth-promoting hormones like auxins, gibberellins, and cytokinins, antibiosis against pathogens, 1-aminocyclopropane-1-carboxylic acid deaminase which enhances plant growth under stress conditions, improving plant resistance to heavy metal toxicity, and so on. Pyrroloquinoline quinine (pqq) and glucose dehydrogenase (gcd) are the representative genes for phosphorus solubilization in microorganisms. The content presented in this review paper focuses on different mechanisms and modes of action of phosphate-solubilizing microorganisms, their contribution to phosphorus solubilization, growth-promoting attributes in plants, and the molecular aspects of phosphorus solubilization.

show abstract

Section: Introductionmentioning

confidence: 99%

Phosphate-Solubilizing Microorganisms: Mechanism and Their Role in Phosphate Solubilization and Uptake

Rawat

Das

Shankhdhar

et al. 2020

J Soil Sci Plant Nutr

292

130

View full text Add to dashboard Cite

show abstract

“…Another possible mechanism by which PGPMs could help plants to effectively absorb nutrients concerns their ability to acidify the soil. Indeed, some PGPMs are able to synthesize organic acids and secrete them in the soil, thus facilitating the solubilization of inorganic phosphates (Pi) and K [ 78 , 79 , 80 ]. Furthermore, recent studies have shown that they are also capable of producing phytases and acid phosphatases, which enhance the P mineralization [ 78 , 79 , 80 ].…”

Section: Plant Growth Promoting Microorganisms (Pgpms) and Their Biostimulant Activitymentioning

confidence: 99%

“…Indeed, some PGPMs are able to synthesize organic acids and secrete them in the soil, thus facilitating the solubilization of inorganic phosphates (Pi) and K [ 78 , 79 , 80 ]. Furthermore, recent studies have shown that they are also capable of producing phytases and acid phosphatases, which enhance the P mineralization [ 78 , 79 , 80 ]. In addition, hydrogen cyanide (HCN) producing bacteria are involved in increasing P availability and the sequestration of metals with beneficial effects for rhizobacteria and their plant host [ 81 ].…”

Section: Plant Growth Promoting Microorganisms (Pgpms) and Their Biostimulant Activitymentioning

confidence: 99%

Microbial Biostimulants as Response to Modern Agriculture Needs: Composition, Role and Application of These Innovative Products

Castiglione

Mannino

Contartese³

et al. 2021

Plants

View full text Add to dashboard Cite

An increasing need for a more sustainable agriculturally-productive system is required in order to preserve soil fertility and reduce soil biodiversity loss. Microbial biostimulants are innovative technologies able to ensure agricultural yield with high nutritional values, overcoming the negative effects derived from environmental changes. The aim of this review was to provide an overview on the research related to plant growth promoting microorganisms (PGPMs) used alone, in consortium, or in combination with organic matrices such as plant biostimulants (PBs). Moreover, the effectiveness and the role of microbial biostimulants as a biological tool to improve fruit quality and limit soil degradation is discussed. Finally, the increased use of these products requires the achievement of an accurate selection of beneficial microorganisms and consortia, and the ability to prepare for future agriculture challenges. Hence, the implementation of the microorganism positive list provided by EU (2019/1009), is desirable.

show abstract

“…The isolation of soil bacteria was carried out using soil extract agar (Hii et al 2020). Soil samples that had been taken from 5 points at each sampling location were homogenized, and then 5 g were taken and dissolved in 45 ml of physiological NaCl solution, then vortexed (10 -1 dilution).…”

Section: Soil Bacterial Isolationmentioning

confidence: 99%

A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia

2021

View full text Add to dashboard Cite

Abstract. Sutami, Purwanto, Rosariastuti R. 2021. A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia. Biodiversitas 22: 3785-3791. Isolation and characterization of indigenous bacteria from the soil of traditional gold mining contaminated with mercury is the first step in a series of research to explore and utilize indigenous bacteria in Jendi's area. This study was aimed to determine the characteristics and identity of bacterial isolates from soil of traditional gold mining in Jendi Village, Wonogiri contaminated by mercury. The methods used in this study included bacterial isolation, media preparation, phenotypic identification including; morphological and physiological tests and genotyping tests. The results showed that the bacterial isolate A3 grew optimally in media with the addition of 10% NaCl, at a temperature of 27°C, and pH 9. There were negative reactions to the observations of gram staining, acid production from glucose, indole production, catalase and urease, and positive reactions to oxidation. A neighbor-joining phylogenetic tree based on the 16S rRNA gene sequence showed that the A3 strain was closely related to Sphingosinicella microcystinivorans strain Y2T (JCM 13185T) with 100% Query coverage and a maximum identity of 99.56%.

show abstract

Isolation and characterisation of phosphate solubilizing microorganisms from peat

Cited by 32 publications

References 26 publications

Phosphate-Solubilizing Microorganisms: Mechanism and Their Role in Phosphate Solubilization and Uptake

Phosphate-Solubilizing Microorganisms: Mechanism and Their Role in Phosphate Solubilization and Uptake

Microbial Biostimulants as Response to Modern Agriculture Needs: Composition, Role and Application of These Innovative Products

A salt tolerant Sphingosinicella microcystinivorans A3 isolated from soil contaminated with mercury in traditional gold mining of Jendi Village, Wonogiri District, Indonesia

Contact Info

Product

Resources

About