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Article
Deep subsurface igneous rocks from the Deccan traps harbor H2 and CO2 utilizing chemolithoautotrophic bacteria
The H2 and CO2-utilizing chemolithoautotrophic microorganisms from the deep subsurface ecosystems have gained considerable importance for their significant role in biogeochemical cycling of carbon. In this study,...
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Article
Exploring the diversity and hydrocarbon bioremediation potential of microbial community in the waste sludge of Duliajan oil field, Assam, India
Microbial community analysis of crude oil containing sludge collected from Duliajan oil field, Assam, India, showed the predominance of hydrocarbon-degrading bacteria such as Pseudomonas (20.1%), Pseudoxanthomona...
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Article
Development of nitrate stimulated hydrocarbon degrading microbial consortia from refinery sludge as potent bioaugmenting agent for enhanced bioremediation of petroleum contaminated waste
Stable and efficient hydrocarbon degrading microbial consortia were developed from a refinery sludge through nitrate amendment for their application in enhanced bioremediation of petroleum contaminated waste. ...
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Chapter
Deep Biosphere: Microbiome of the Deep Terrestrial Subsurface
Deep biosphere represents an unexplored realm of planetary life residing underneath the continental and oceanic crusts that constitutes majorly of prokaryotic life forms bacteria and archaea. Microbial communi...
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Article
Open AccessPetroleum hydrocarbon rich oil refinery sludge of North-East India harbours anaerobic, fermentative, sulfate-reducing, syntrophic and methanogenic microbial populations
Sustainable management of voluminous and hazardous oily sludge produced by petroleum refineries remains a challenging problem worldwide. Characterization of microbial communities of petroleum contaminated site...
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Chapter
Benzene Biodegradation During Growth by Aerococcus sp. Isolated from Oil Sludge
Monoaromatic hydrocarbons such as benzene have been found in large quantities of sludge created by oil production facilities and industries. Benzene is highly volatile and soluble in water, it seeps into the g...
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Article
Studies on arsenic transforming groundwater bacteria and their role in arsenic release from subsurface sediment
Ten different Gram-negative arsenic (As)-resistant and As-transforming bacteria isolated from As-rich groundwater of West Bengal were characterized to assess their role in As mobilization. 16S rRNA gene analys...
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Article
Microbial diversity, community composition and metabolic potential in hydrocarbon contaminated oily sludge: prospects for in situ bioremediation
Microbial community composition and metabolic potential have been explored in petroleum-hydrocarbon-contaminated sludge of an oil storage facility. Culture-independent clone library-based 16S rRNA gene analyse...
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Article
Characterization of arsenic resistant bacteria from arsenic rich groundwater of West Bengal, India
Sixty-four arsenic (As) resistant bacteria isolated from an arsenic rich groundwater sample of West Bengal were characterized to investigate their potential role in subsurface arsenic mobilization. Among the i...
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Chapter
Metal Bioremediation by Thermophilic Microorganisms
Environmental pollution with toxic metals is a severe threat to biota and human health. Microbe-mediated bioremediation of such contaminants has emerged as a potential alternative to conventional treatment met...
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Article
Open AccessCulture-independent molecular analysis of bacterial diversity in uranium-ore/-mine waste-contaminated and non-contaminated sites from uranium mines
Soil, water and sediment samples collected from in and around Jaduguda, Bagjata and Turamdih mines were analyzed for physicochemical parameters and cultured, and yet to be cultured microbial diversity. Cultura...
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Article
Assessing the correlation between anaerobic toluene degradation activity and bssA concentrations in hydrocarbon-contaminated aquifer material
The assessment of biodegradation activity in contaminated aquifers is critical to demonstrate the performance of bioremediation and natural attenuation and to parameterize models of contaminant plume dynamics....
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Article
Lanthanum biosorption by a Pseudomonas sp.: equilibrium studies and chemical characterization
Lanthanum biosorption by a Pseudomonas sp. was characterized in terms of equilibrium metal loading, model fitting, kinetics, effect of solution pH, lanthanum–bacteria interaction mechanism and recovery of sorbed ...
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Article
Extracellular polysaccharides of a copper-sensitive and a copper-resistant Pseudomonas aeruginosa strain: synthesis, chemical nature and copper binding
Extracellular polysaccharides (EPS) of a copper-sensitive (Cus) and a copper-resistant (Cur) Pseudomonas aeruginosa strain were investigated in terms of their production, chemical nature and response towards copp...
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Article
Copper uptake and its compartmentalization in Pseudomonas aeruginosa strains: Chemical nature of cellular metal
Copper-sensitive (Cus) and copper-resistant (Cur) strains of Pseudomonas aeruginosa were characterized in terms of Cu2+ sensitivity, uptake and its compartmentalization in the possible cell sectors. Minimum inhib...
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Article
Nickel Uptake by Pseudomonas aeruginosa: Role of Modifying Factors
Pseudomonas aeruginosa cells growing in minimal medium were 40-fold more sensitive to Ni2+ than cells growing in enriched medium, suggesting a possible protective role of medium ingredients. Likewise, cells pre-...
