Use of Pseudomonas spp. for the bioremediation of environmental pollutants: a review

Wasi, Samina; Tabrez, Shams; Ahmad, Masood

doi:10.1007/s10661-013-3163-x

Cited by 162 publications

(84 citation statements)

References 85 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Several Pseudomonas species are able to survive in these environments by metabolizing industrial waste such as polycyclic aromatic hydrocarbons, pesticides and heavy metals. For this reason, several Pseudomonas strains have been employed in bioremediation processes (Wasi et al, 2013). A previous study suggested that the blue pigment involved in the blue mozzarella events could be the indigoidine molecule (Caputo et al, 2015).…”

Section: Genome Sequencing and Analysismentioning

confidence: 99%

A genomic and transcriptomic approach to investigate the blue pigment phenotype in Pseudomonas fluorescens

Andreani

Carraro

Martino

et al. 2015

International Journal of Food Microbiology

View full text Add to dashboard Cite

a b s t r a c t a r t i c l e i n f oPseudomonas fluorescens is a well-known food spoiler, able to cause serious economic losses in the food industry due to its ability to produce many extracellular, and often thermostable, compounds. The most outstanding spoilage events involving P. fluorescens were blue discoloration of several food stuffs, mainly dairy products. The bacteria involved in such high-profile cases have been identified as belonging to a clearly distinct phylogenetic cluster of the P. fluorescens group. Although the blue pigment has recently been investigated in several studies, the biosynthetic pathway leading to the pigment formation, as well as its chemical nature, remain challenging and unsolved points. In the present paper, genomic and transcriptomic data of 4 P. fluorescens strains (2 blue-pigmenting strains and 2 non-pigmenting strains) were analyzed to evaluate the presence and the expression of blue strain-specific genes. In particular, the pangenome analysis showed the presence in the blue-pigmenting strains of two copies of genes involved in the tryptophan biosynthesis pathway (including trpABCDF). The global expression profiling of bluepigmenting strains versus non-pigmenting strains showed a general up-regulation of genes involved in iron uptake and a down-regulation of genes involved in primary metabolism. Chromogenic reaction of the bluepigmenting bacterial cells with Kovac's reagent indicated an indole-derivative as the precursor of the blue pigment. Finally, solubility tests and MALDI-TOF mass spectrometry analysis of the isolated pigment suggested that its molecular structure is very probably a hydrophobic indigo analog.

show abstract

Section: Genome Sequencing and Analysismentioning

confidence: 99%

A genomic and transcriptomic approach to investigate the blue pigment phenotype in Pseudomonas fluorescens

Andreani

Carraro

Martino

et al. 2015

International Journal of Food Microbiology

View full text Add to dashboard Cite

show abstract

“…Pseudomonas spp. were metabolic versatile and were able to use a wide range of chemical compounds as carbon sources (Wasi et al 2013). An ERY esterase was isolated and purified from an ERY-resistant Pseudomonas sp.…”

Section: Ery-e Strain Analysismentioning

confidence: 99%

Isolation and Characterization of an Erythromycin-Degrading Strain and Application for Bioaugmentation in a Biological Aerated Filter

Gao

Wei

et al. 2015

Water Air Soil Pollut

View full text Add to dashboard Cite

An erythromycin-degrading bacterium was isolated from the activated sludge of a sewage treatment plant (STP). Based on the morphological and physiological characteristics, the isolated strain was identified and named as Pseudomonas sp. ERY-E. In an inorganic salt medium inoculated at 1 % (v/v) of ERY-E strain containing 50 mg/L of erythromycin (ERY), the removal efficiency of ERY as high as 83.7 % was obtained under the optimum conditions with temperature of 30°C, pH of 7.0, and 10 mg/L of yeast as the external carbon source. Subsequently, the ERY-E strain was used for bioaugmenting a biological aerated filter (BAF) to treat surface water containing low-concentration ERY. The influence of hydraulic retention time (HRT) and air-liquid ratio (A/L) on the performance of BAF was investigated. The average removal efficiencies of ERY and permanganate index (COD Mn ) were about 60.6 and 26.1 % in bioaugmented system (BAF 2 ) and 26.9 and 26.0 % in unbioaugmented system (BAF 1 ), respectively, under the optimum conditions with HRT of 4.0 h and A/L of 4:1 at steady state. Due to the stable removal of COD Mn in BAF 2 as compared with BAF 1 , it can be concluded that the introduction of ERY-E strain could collaborate with the indigenous microorganisms to attain a better ERY removal efficiency. As a result, the bioaugmented BAF method can be considered as an alternative technology for the treatment of surface water containing lowconcentration emerging pollutants.

show abstract

“…have been shown to degrade aniline completely through bioremediation by using it as their sole carbon source (Ang et al 2009;Donald 2000;Wasi et al 2013). Anilines are metabolized to the corresponding catechols via one or more oxidative reactions catalyzed by aniline dioxygenases, liberating ammonia and subsequently undergoing metabolic transformations (Loidl et al 1990;Fuchs et al 1991).…”

Section: Introductionmentioning

confidence: 99%

Enhanced removal of dissolved aniline from water under combined system of nano zero-valent iron and Pseudomonas putida

Bose

Dey

Saha

et al. 2016

Sustain. Water Resour. Manag.

View full text Add to dashboard Cite

Aniline is a toxic chemical released by many industries. Removal of pollutants by micro-organisms is the most recent area of research whereas nano zero valent iron (nZVI) in recent time has been widely used in treatment of groundwater. The present study aims to understand the nature of interaction of nZVI with bacteria and removal of aniline under a combined system of bacteria and nZVI. nZVI were synthesized through conventional process and its adsorption studies on aniline removal were performed. Pseudomonas putida MTCC 1194 strain was acclimatized to aniline in Basal salt medium for a period of 2 months. The maximum growth rate and yield coefficient of cells were determined and within 6 h 99 % removal of 200 ppm aniline was found to be achieved. Adsorption studies were performed using nZVI of different concentration on 200 ppm aniline for 6 h. Maximum aniline removal was obtained at 85 % in distilled water and 92 % in basal salt medium, respectively using 5 g/L nZVI. nZVI was found to be growth inducer to the mentioned strain. A combined system of aniline removal was studied consisting of biodegradation and adsorption to nZVI in which 99 % aniline removal was obtained in 2.5 h containing 61 % of aniline removal through biodegradation and the rest through collective adsorption and biosorption. Maximum adsorption to nZVI was found during the lag phase of cell growth and on reaching log phase adsorption rate declined and removal through biodegradation dominated.

show abstract

Use of Pseudomonas spp. for the bioremediation of environmental pollutants: a review

Cited by 162 publications

References 85 publications

A genomic and transcriptomic approach to investigate the blue pigment phenotype in Pseudomonas fluorescens

A genomic and transcriptomic approach to investigate the blue pigment phenotype in Pseudomonas fluorescens

Isolation and Characterization of an Erythromycin-Degrading Strain and Application for Bioaugmentation in a Biological Aerated Filter

Enhanced removal of dissolved aniline from water under combined system of nano zero-valent iron and Pseudomonas putida

Contact Info

Product

Resources

About