Obtención de microorganismos en suelos de un bosque de niebla, para la degradación de hidrocarburos aromáticos

Translated title of the contribution: Obtaining microorganisms in cloud forest soils for the degradation of aromatic hydrocarbons

Yair Cruz-Narváez, Enrique Rico-Arzate, José J. Castro-Arellano, Gerardo Noriega-Altamirano, Alberto Piña-Escobedo, Selvasankar Murugesan, Jaime García-Mena

Research output: Contribution to journalArticle

Abstract

Introduction: The impact of polluting substances, especially those of fossil fuels, on the environment is an important issue in the world. The ability of microorganisms to degrade these pollutants has been recently studied and characterized. Objective: To analyze the ability of groups of microorganisms, obtained from a cloud forest ecosystem in Mexico, to degrade aromatic compounds (benzene, toluene, ethylbenzene and anthracene). Materials and methods: Microbiome samples were collected in the Sierra Madre del Sur in the state of Oaxaca. The microorganisms were isolated and identified by molecular techniques. Subsequently, the ability of the microorganisms to degrade aromatic hydrocarbons in a packed-bed bioreactor was quantitatively evaluated by HPLC-PDA chromatography. Results and discussion: Fifty groups of microorganisms were collected, cultured and genetically characterized. In genetic diversity, Lactobacillus, Prevotella and genera of the family Acetobacteraceae predominated. In the hydrocarbon biodegradation process, the pollutant concentration decreased 97 % and 91 % mineralization was achieved in less than 25 h. Conclusions: The microorganisms showed significant degrading activity of the aromatic compounds. Biodiversity in the cloud forest in the Loxicha region is key to ensuring ecosystem services, so it is important to undertake explorations to evaluate the use of these bacterial microbiomes.

Original languageSpanish
Pages (from-to)95-106
Number of pages12
JournalRevista Chapingo, Serie Ciencias Forestales y del Ambiente
Volume25
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

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cloud forest
aromatic hydrocarbons
tropical montane cloud forests
soil degradation
aromatic hydrocarbon
forest soils
forest soil
microorganism
microorganisms
degradation
aromatic compounds
Acetobacteraceae
pollutants
Prevotella
toluene
fossil fuels
benzene
bioreactors
biodegradation
ecosystem service

Keywords

  • Genetic characterization
  • Lactobacillus
  • Mineralization
  • Prevotella
  • Soil pollutants

ASJC Scopus subject areas

  • Forestry
  • Ecology

Cite this

Obtención de microorganismos en suelos de un bosque de niebla, para la degradación de hidrocarburos aromáticos. / Cruz-Narváez, Yair; Rico-Arzate, Enrique; Castro-Arellano, José J.; Noriega-Altamirano, Gerardo; Piña-Escobedo, Alberto; Murugesan, Selvasankar; García-Mena, Jaime.

In: Revista Chapingo, Serie Ciencias Forestales y del Ambiente, Vol. 25, No. 1, 01.01.2019, p. 95-106.

Research output: Contribution to journalArticle

Cruz-Narváez, Y, Rico-Arzate, E, Castro-Arellano, JJ, Noriega-Altamirano, G, Piña-Escobedo, A, Murugesan, S & García-Mena, J 2019, 'Obtención de microorganismos en suelos de un bosque de niebla, para la degradación de hidrocarburos aromáticos', Revista Chapingo, Serie Ciencias Forestales y del Ambiente, vol. 25, no. 1, pp. 95-106. https://doi.org/10.5154/r.rchscfa.2018.06.055
Cruz-Narváez, Yair ; Rico-Arzate, Enrique ; Castro-Arellano, José J. ; Noriega-Altamirano, Gerardo ; Piña-Escobedo, Alberto ; Murugesan, Selvasankar ; García-Mena, Jaime. / Obtención de microorganismos en suelos de un bosque de niebla, para la degradación de hidrocarburos aromáticos. In: Revista Chapingo, Serie Ciencias Forestales y del Ambiente. 2019 ; Vol. 25, No. 1. pp. 95-106.
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