alexa Comparative assessment of bioremediation approaches to highly recalcitrant PAH degradation in a real industrial polluted soil.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Llad S, Covino S, Solanas AM, Vias M, Petruccioli M,

Abstract Share this page

Abstract High recalcitrant characteristics and low bioavailability rates due to aging processes can hinder high molecular weight polycyclic aromatic hydrocarbons (HMW-PAHs) bioremediation in real industrial polluted soils. With the aim of reducing the residual fraction of total petroleum hydrocarbons (TPH) and (HMW-PAHs) in creosote-contaminated soil remaining after a 180-d treatment in a pilot-scale biopile, either biostimulation (BS) of indigenous microbial populations with a lignocellulosic substrate (LS) or fungal bioaugmentation with two strains of white-rot fungi (WRF) (i.e., Trametes versicolor and Lentinus tigrinus) were comparatively tested. The impact of bivalent manganese ions and two mobilizing agents (MAs) (i.e., Soybean Oil and Brij 30) on the degradation performances of biostimulated and bioaugmented microcosms was also compared. The results reveal soil colonization by both WRF strains was clearly hampered by an active native soil microbiota. In fact, a proper enhancement of native microbiota by means of LS amendment promoted the highest biodegradation of HMW-PAHs, even of those with five aromatic rings after 60 days of treatment, but HMW-PAH-degrading bacteria were specifically inhibited when non-ionic surfactant Brij 30 was amended. Effects of bioaugmentation and other additives such as non-ionic surfactants on the degrading capability of autochthonous soil microbiota should be evaluated in polluted soils before scaling up the remediation process at field scale. Copyright © 2013 Elsevier B.V. All rights reserved. This article was published in J Hazard Mater and referenced in Journal of Aquaculture Research & Development

Relevant Expert PPTs

Relevant Speaker PPTs

  • Muhamed Fakhri Omer
    Cathodoluminescence petrography for provenance studies of the sandstones of Ora Formation (Devonian-Carboniferous), Iraqi Kurdistan Region, Northern Iraq
    PPT Version | PDF Version
  • Mustafa M Hariri
    Importance of methods’ selection in the geosciences studies and exploration
    PPT Version | PDF Version
  • Afsar Rahbar
    Studies of the importance of Cytomegalovirus infection in breast cancer
    PPT Version | PDF Version
  • Jim Polarine
    Case studies of human fl ora and spore contamination in clean rooms
    PPT Version | PDF Version
  • Gulay Yelken Demirel
    Challenges in parenteral formulation development studies and an evaluation from QbD point of view
    PPT Version | PDF Version
  • Jianfeng Hong
    Extractable and leachable studies of parenteral infusion and transfusion products
    PPT Version | PDF Version
  • Yosef Yarden
    Classically, the 3’untranslated region (3’UTR) is that region in eukaryotic protein-coding genes from the translation termination codon to the polyA signal. It is transcribed as an integral part of the mRNA encoded by the gene. However, there exists another kind of RNA, which consists of the 3’UTR alone, without all other elements in mRNA such as 5’UTR and coding region. The importance of independent 3’UTR RNA (referred as I3’UTR) was prompted by results of artificially introducing such RNA species into malignant mammalian cells. Since 1991, we found that the middle part of the 3’UTR of the human nuclear factor for interleukin-6 (NF-IL6) or C/EBP gene exerted tumor suppression effect in vivo. Our subsequent studies showed that transfection of C/EBP 3’UTR led to down-regulation of several genes favorable for malignancy and to up-regulation of some genes favorable for phenotypic reversion. Also, it was shown that the sequences near the termini of the C/EBP 3’UTR were important for its tumor suppression activity. Then, the C/EBP 3’UTR was found to directly inhibit the phosphorylation activity of protein kinase CPKC in SMMC-7721, a hepatocarcinoma cell line. Recently, an AU-rich region in the C/EBP 3’UTR was found also to be responsible for its tumor suppression. Recently we have also found evidence that the independent C/EBP 3’UTR RNA is actually exists in human tissues, such as fetal liver and heart, pregnant uterus, senescent fibroblasts etc. Through 1990’s to 2000’s, world scientists found several 3’UTR RNAs that functioned as artificial independent RNAs in cancer cells and resulted in tumor suppression. Interestingly, majority of genes for these RNAs have promoter-like structures in their 3’UTR regions, although the existence of their transcribed products as independent 3’UTR RNAs is still to be confirmed. Our studies indicate that the independent 3’UTR RNA is a novel non-coding RNA species whose function should be the regulation not of the expression of their original mRNA, but of some essential life activities of the cell as a whole.
    PPT Version | PDF Version
  • Arny L Blanchard
    Long-term environmental studies and stewardship in Alaska: A case study from Port Valdez
    PPT Version | PDF Version
  • Soha M Hamdy
    Biochemical studies on the effect of turmeric on breast cancer of rats
    PPT Version | PDF Version
  • Adel Nefzi
    “Adel Nefzi-Torrey-Pines-Institute-for-Molecular-Studies-USA-Diversity-Oriented-Synthesis-of-low-Molecular-Weight-Acyclic-and-Heterocyclic-Compounds-from-Resin-bound-Polyamides-Application-for-Drug-Discovery”
    PPT Version | PDF Version
  • Dalia Hussein Soliman
    “Dalia Hussein Soliman-Al-Azhar-University-Egypt-Design-synthesis-docking-and-QSAR-studies-of-novel-3-5-diaryl-pyrazole-derivatives-and-their-evaluation-as-antioxidants-and-as-Immunomodulators-inhibitors-of-TNF-α-IL-2-IL-6”
    PPT Version | PDF Version
  • Xiaomei Lu
    Ocean subsurface studies with the CALIPSO spaceborne lidar
    PPT Version | PDF Version
  • S Catherine Alexander
    Immunotoxicity of industrial effluents in fin fish: An alternative animal model for immunotoxicological studies
    PPT Version | PDF Version
  • Ferdinand N Mbagwu
    Ethnomedical studies of plants used for treatment of diseases in eastern part of Nigeria
    PPT Version | PDF Version
  • S Karthikeyan
    Resveratrol modulates expression of ABC transporters in non-small lung cancer cells: Molecular docking and gene expression studies
    PPT Version | PDF Version

Recommended Conferences

Peer Reviewed Journals
 
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
 
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

 
© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version
adwords