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metadata.dc.type: article
Título : Efficiency of Indigenous Filamentous Fungi for Biodegradation of Petroleum Hydrocarbons in Medium and Soil: Laboratory Study from Ecuador
Autor : Maddela, Naga Raju
Palabras clave : EFFICIENCY OF INDIGENOUS;BIODEGRADATION;ECUADOR
Fecha de publicación : 2015
Citación : Maddela, Naga Raju. et al. (2015). Efficiency of indigenous flamentous fungi for biodegradation of petroleum hydrocarbons: Laboratory study from Ecuador. Bulletin of Environmental Contamination and Toxicology. Estados Unidos
Citación : DOI;10.1007/s00128-015-1605-6
Resumen : The competence of two fungal isolates for degrading petroleum hydrocarbons was evaluated. The filamentous fungi were isolated from a crude oil-contaminated soil in northeastern Ecuador, and were 99 %-100 % similar in 18S rDNA sequence to the genus Geomyces. Their efficiencies of degradation were tested in vitro for 30 days, using medium and soil microcosm. Residual hydrocarbons were tracked by gas liquid chromatography with a flame ionization detector. The maximum removal percentages of total petroleum hydrocarbons were 77.3 % and 79.9 % for experiments in the medium and soil microcosm, respectively. The percent germination of cow pea (Vigna unguiculata) seeds was increased from 20 % to 100 % upon bioremediation. Isolates sporulated optimally on minimal salts agar medium at pH 5, 25°C temperature, 1 %-1.5 % substrate (crude oil) and 4-6 g L(-1) N-P-K. These findings suggest that these fungal isolates are potential degraders for bioremediation in crude oil-contaminated areas in Ecuador
metadata.dc.description.uri: https://www.ncbi.nlm.nih.gov/pubmed/26215457
URI : http://repositorio.educacionsuperior.gob.ec/handle/28000/4072
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