TOXIC EFFECTS OF LINEAR ALKYLBENZENE SULFONATE, ANTHRACENE AND THEIR MIXTURE ON GROWTH OF A MICROBIAL CONSORTIUM ISOLATED FROM POLLUTED SEDIMENT
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2010
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| _version_ | 1876445167568814080 |
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| author | Gabriel PINEDA FLORES |
| author_facet | Gabriel PINEDA FLORES |
| contents | TOXIC EFFECTS OF LINEAR ALKYLBENZENE SULFONATE, ANTHRACENE AND THEIR MIXTURE ON GROWTH OF A MICROBIAL CONSORTIUM ISOLATED FROM POLLUTED SEDIMENT Gabriel PINEDA FLORES Carmen MONTERRUBIO BADILLO Manuel HERNÁNDEZ CORTÁZAR Cirilo NOLASCO HIPÓLITO Rocío SÁNCHEZ PÉREZ Ignacio GARCÍA SÁNCHEZ Ciencias de la Tierra LAS LAS mixture mixture Toxicity The aim of this study was to determine the effect of linear alkylbenzene sulfonate (LAS), anthracene and a LAS-anthracene mixture on the growth of a microbial consortiumisolated from polluted sediment. The microbial consortium was grown in a sterile glass bottle with mineral medium containing 1 g/L of glucose. Microbial growth inhibition produced by LAS, anthracene and combinations of LAS and anthracene was determined by viable count in nutritive agar; inhibitory concentration 50 (IC50) was calculated. The concentrations evaluated were 0.16, 0.8, 1.6, 16 and 160 mg/L of LAS or anthracene. The LAS-anthracene mixtures were prepared by fixing either LAS or anthracene at 0.16 mg/L while increasing the other compound at the above concentrations. Microbial growth was sensitive to LAS at an IC50 of 8.22 and to anthracene at an IC50 of 5.2 mg/L. In the LAS-anthracene combination, if LAS concentration was fixed and anthracene concentration varied, IC50 (5.92 mg/L) was similar to IC50 for anthracene alone. In contrast, the inhibition effect was diminished when anthracene remained constant and LAS concentration was increased (IC50: 70.11 mg/L). The sediment microbial populations were capable of degrading the LAS-anthracene mixture if the concentration of both compounds were at 0.16 mg/L. 2010 artículo científico 0188-4999 https://www.redalyc.org/articulo.oa?id=37014382004 en http://www.redalyc.org/revista.oa?id=370 Revista Internacional de Contaminación Ambiental application/pdf Universidad Nacional Autónoma de México Revista Internacional de Contaminación Ambiental (México) Num.1 Vol.26 |
| format | Artículo científico |
| id | redalyc_37014382004 |
| institution | Redalyc |
| language | en |
| publishDate | 2010 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | TOXIC EFFECTS OF LINEAR ALKYLBENZENE SULFONATE, ANTHRACENE AND THEIR MIXTURE ON GROWTH OF A MICROBIAL CONSORTIUM ISOLATED FROM POLLUTED SEDIMENT Gabriel PINEDA FLORES Ciencias de la Tierra LAS LAS mixture mixture Toxicity TOXIC EFFECTS OF LINEAR ALKYLBENZENE SULFONATE, ANTHRACENE AND THEIR MIXTURE ON GROWTH OF A MICROBIAL CONSORTIUM ISOLATED FROM POLLUTED SEDIMENT Gabriel PINEDA FLORES Carmen MONTERRUBIO BADILLO Manuel HERNÁNDEZ CORTÁZAR Cirilo NOLASCO HIPÓLITO Rocío SÁNCHEZ PÉREZ Ignacio GARCÍA SÁNCHEZ Ciencias de la Tierra LAS LAS mixture mixture Toxicity The aim of this study was to determine the effect of linear alkylbenzene sulfonate (LAS), anthracene and a LAS-anthracene mixture on the growth of a microbial consortiumisolated from polluted sediment. The microbial consortium was grown in a sterile glass bottle with mineral medium containing 1 g/L of glucose. Microbial growth inhibition produced by LAS, anthracene and combinations of LAS and anthracene was determined by viable count in nutritive agar; inhibitory concentration 50 (IC50) was calculated. The concentrations evaluated were 0.16, 0.8, 1.6, 16 and 160 mg/L of LAS or anthracene. The LAS-anthracene mixtures were prepared by fixing either LAS or anthracene at 0.16 mg/L while increasing the other compound at the above concentrations. Microbial growth was sensitive to LAS at an IC50 of 8.22 and to anthracene at an IC50 of 5.2 mg/L. In the LAS-anthracene combination, if LAS concentration was fixed and anthracene concentration varied, IC50 (5.92 mg/L) was similar to IC50 for anthracene alone. In contrast, the inhibition effect was diminished when anthracene remained constant and LAS concentration was increased (IC50: 70.11 mg/L). The sediment microbial populations were capable of degrading the LAS-anthracene mixture if the concentration of both compounds were at 0.16 mg/L. 2010 artículo científico 0188-4999 https://www.redalyc.org/articulo.oa?id=37014382004 en http://www.redalyc.org/revista.oa?id=370 Revista Internacional de Contaminación Ambiental application/pdf Universidad Nacional Autónoma de México Revista Internacional de Contaminación Ambiental (México) Num.1 Vol.26 |
| title | TOXIC EFFECTS OF LINEAR ALKYLBENZENE SULFONATE, ANTHRACENE AND THEIR MIXTURE ON GROWTH OF A MICROBIAL CONSORTIUM ISOLATED FROM POLLUTED SEDIMENT |
| topic | Ciencias de la Tierra LAS LAS mixture mixture Toxicity |
| url | https://www.redalyc.org/articulo.oa?id=37014382004 |