ABSTRACT The goal of this investigation was to isolate competent polynuclear aromatic hydrocarbons degraders that can utilize polynuclear aromatic hydrocarbons of former industrial sites at McDoel Switchyard in Bloomington, Indiana. Using conventional enrichment method based on soil slurry, we isolated, ...
Hidrocarburos Policíclicos Aromáticos/metabolismo,
Carbono/química,
Biodegradación Ambiental,
Crisenos/metabolismo,
Naftalenos/metabolismo,
Nitrógeno/química,
Filogenia,
Pseudomonas/clasificación,
Pseudomonas/genética,
Pirenos/metabolismo,
ARN Ribosómico 16S/genética,
Suelo/química,
Microbiología del Suelo,
Pseudomonas/metabolismo
ABSTRACT Background: Since 1960s, the organophosphate pesticide chlorpyrifos has been widely used for the purpose of pest control. However, given its persistence and toxicity towards life forms, the elimination of chlorpyrifos from contaminated sites has become an urgent issue. For this process bioremed...
Bacterias/clasificación,
Bacterias/metabolismo,
Fenómenos Fisiológicos Bacterianos,
Cloropirifos/metabolismo,
Fenómenos Fisiológicos de las Plantas,
Plantas/microbiología,
Bacterias/crecimiento & desarrollo,
Biodegradación Ambiental,
Fenotipo,
Reguladores del Crecimiento de las Plantas/biosíntesis,
Microbiología del Suelo
ABSTRACT Polychlorinated biphenyls (PCBs), the chlorinated derivatives of biphenyl, are one of the most prevalent, highly toxic and persistent groups of contaminants in the environment. The objective of this study was to investigate the biodegradation of PCBs in northeastern (Heilongjiang Province), nort...
Background: Methyl tert-butyl ether (MTBE) is a pollutant that causes deleterious effects on human and environmental health. Certain microbial cultures have shown the ability to degrade MTBE, suggesting that a novel bacterial species capable of degrading MTBE could be recovered. The goal of this study wa...
Stenotrophomonas maltophilia/aislamiento & purificación,
Microbiología del Suelo,
Contaminación Ambiental,
Stenotrophomonas maltophilia/metabolismo,
Éteres Metílicos/metabolismo,
Biodegradación Ambiental,
Consorcios Microbianos,
Reacción en Cadena de la Polimerasa,
Éteres Metílicos/análisis,
Cinética,
Gasolina
Rachid, C. T. C. C;
Pires, C. A;
Leite, D. C. A;
Coutinho, H. L. C;
Peixoto, R. S;
Rosado, A. S;
Salton, J;
Zanatta, J. A;
Mercante, F. M;
Angelini, G. A. R;
Balieiro, Fabiano de Carvalho.
Abstract The sugarcane in Brazil is passing through a management transition that is leading to the abolition of pre-harvest burning. Without burning, large amounts of sugarcane trash is generated, and there is a discussion regarding the utilization of this biomass in the industry versus keeping it in the...
Bacterias/aislamiento & purificación,
Hongos/aislamiento & purificación,
Saccharum/microbiología,
Microbiología del Suelo,
Bacterias/clasificación,
Bacterias/genética,
Biodiversidad,
Brasil,
Hongos/clasificación,
Hongos/genética,
Saccharum/crecimiento & desarrollo,
Estaciones del Año,
Suelo/química
Abstract Many plant species from Brazilian semi-arid present arbuscular mycorrhizal fungi (AMF) in their rhizosphere. These microorganisms play a key role in the establishment, growth, survival of plants and protection against drought, pathogenic fungi and nematodes. This study presents a quantitative an...
Hongos/aislamiento & purificación,
Mimosa/microbiología,
Micorrizas/aislamiento & purificación,
Biodiversidad,
Brasil,
Hongos/clasificación,
Hongos/genética,
Hongos/crecimiento & desarrollo,
Micorrizas/genética,
Micorrizas/clasificación,
Micorrizas/crecimiento & desarrollo,
Raíces de Plantas/microbiología,
Estaciones del Año,
Microbiología del Suelo,
Esporas Fúngicas/clasificación,
Esporas Fúngicas/genética,
Esporas Fúngicas/crecimiento & desarrollo,
Esporas Fúngicas/aislamiento & purificación
Abstract Little is known regarding how the increased diversity of nitrogen-fixing bacteria contributes to the productivity and diversity of plants in complex communities. However, some authors have shown that the presence of a diverse group of nodulating bacteria is required for different plant species t...
Abstract Fourteen Trichoderma isolates were evaluated for their tolerance to two heavy metals, nickel and cadmium. Three isolates, MT-4, UBT-18, and IBT-I, showed high levels of nickel tolerance, whereas MT-4, UBT-18, and IBT-II showed better tolerance of cadmium than the other isolates. Under nickel str...
Cadmio/metabolismo,
Níquel/metabolismo,
Trichoderma/metabolismo,
Cinética,
Níquel/química,
Microbiología del Suelo,
Biodegradación Ambiental,
Cadmio/química,
Trichoderma/clasificación,
Trichoderma/crecimiento & desarrollo,
Trichoderma/aislamiento & purificación
Abstract Members of the Sphingomonas genus are often isolated from petroleum-contaminated soils due to their unique abilities to degrade polycyclic aromatic hydrocarbons (PAHs), which are important for in situ bioremediation. In this study, a combined phenotypic and genotypic approach using streptomycin-...
Hidrocarburos Policíclicos Aromáticos/metabolismo,
Microbiología del Suelo,
Contaminantes del Suelo/metabolismo,
Sphingomonas/aislamiento & purificación,
Sphingomonas/metabolismo,
Biodegradación Ambiental,
China,
Petróleo/análisis,
Filogenia,
Sphingomonas/clasificación,
Sphingomonas/genética
ResumenEl suelo es un sistema biológico complejo, que desempeña un papel fundamental en las plantas y los animales, especialmente en los bosques secos como la Caatinga. Los hongos del suelo, tales como Aspergillus y Penicillium, pueden ser utilizados como bioindicadores para la conservación de la biod...
