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Registros recuperados: 3
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Biodegradation of naphthalene and anthracene by chemo-tactically active rhizobacteria of populus deltoides BJM
Bisht,Sandeep; Pandey,Piyush; Sood,Anchal; Sharma,Shivesh; Bisht,N. S..
Several naphthalene and anthracene degrading bacteria were isolated from rhizosphere of Populus deltoides, which were growing in non-contaminated soil. Among these, four isolates, i.e. Kurthia sp., Micrococcus varians, Deinococcus radiodurans and Bacillus circulans utilized chrysene, benzene, toluene and xylene, in addition to anthracene and naphthalene. Kurthia sp and B. circulans showed positive chemotactic response for naphthalene and anthracene. The mean growth rate constant (K) of isolates were found to increase with successive increase in substrate concentration (0.5 to 1.0 mg/50ml). B. circulans SBA12 and Kurthia SBA4 degraded 87.5% and 86.6% of anthracene while, Kurthia sp. SBA4, B. circulans SBA12, and M. varians SBA8 degraded 85.3 %, 95.8 % and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodegradation; Chemotaxis; Anthracene; Naphthalene.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000400011
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Bioremediation of polyaromatic hydrocarbons (PAHs) using rhizosphere technology BJM
Bisht,Sandeep; Pandey,Piyush; Bhargava,Bhavya; Sharma,Shivesh; Kumar,Vivek; Sharma,Krishan D..
The remediation of polluted sites has become a priority for society because of increase in quality of life standards and the awareness of environmental issues. Over the past few decades there has been avid interest in developing in situ strategies for remediation of environmental contaminants, because of the high economic cost of physicochemical strategies, the biological tools for remediation of these persistent pollutants is the better option. Major foci have been considered on persistent organic chemicals i.e.polyaromatic hydrocarbons (PAHs) due to their ubiquitous occurrence, recalcitrance, bioaccumulation potential and carcinogenic activity. Rhizoremediation, a specific type of phytoremediation that involves both plants and their associated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PAH; Bioremediation; Rhizoremediation; Enzyme; Plant microbe pair.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000100007
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Screening of actinomycetes from earthworm castings for their antimicrobial activity and industrial enzymes BJM
Kumar,Vijay; Bharti,Alpana; Negi,Yogesh Kumar; Gusain,Omprakash; Pandey,Piyush; Bisht,Gajraj Singh.
Actinomycetes from earthworm castings were isolated and screened for their antimicrobial activity and industrial enzymes. A total of 48 isolates were obtained from 12 samples of earthworm castings. Highest numbers of isolates were recovered from forest site (58.33 %) as compared to grassland (25%) and agricultural land (16.66%). The growth patterns, mycelial coloration of abundance actinomycetes were documented. The dominant genera Identified by cultural, morphological and physiological characteristics were Streptomyces (60.41%) followed by Streptosporangium (10.41%), Saccharopolyspora (6.25%) and Nocardia (6.25%). Besides these, other genera like Micromonospora, Actinomadura, Microbispora, Planobispora and Nocardiopsis were also recovered but in low...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antimicrobial activity; Enzymes; Earthworm castings; Actinomycetes.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000100022
Registros recuperados: 3
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