التفاصيل البيبلوغرافية
| العنوان: |
Data_Sheet_1_Highly Contaminated Marine Sediments Can Host Rare Bacterial Taxa Potentially Useful for Bioremediation.docx |
| المؤلفون: |
Filippo Dell’Anno (10211132), Eugenio Rastelli (7304108), Michael Tangherlini (7304111), Cinzia Corinaldesi (154855), Clementina Sansone (592151), Christophe Brunet (514144), Sergio Balzano (9664133), Adrianna Ianora (183292), Luigi Musco (4531108), Maria Rita Montereali (8676165), Antonio Dell’Anno (839850) |
| سنة النشر: |
2021 |
| المجموعة: |
Smithsonian Institution: Digital Repository |
| مصطلحات موضوعية: |
Microbiology, Microbial Genetics, Microbial Ecology, Mycology, marine sediments, microbial diversity, polycyclic aromatic hydrocarbons, heavy metal resistance, bioremediation |
| الوصف: |
Coastal areas impacted by high anthropogenic pressures typically display sediment contamination by polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs). Microbial-based bioremediation represents a promising strategy for sediment reclamation, yet it frequently fails due to poor knowledge of the diversity and dynamics of the autochthonous microbial assemblages and to the inhibition of the target microbes in the contaminated matrix. In the present study, we used an integrated approach including a detailed environmental characterization, high-throughput sequencing and culturing to identify autochthonous bacteria with bioremediation potential in the sediments of Bagnoli-Coroglio (Gulf of Naples, Mediterranean Sea), a coastal area highly contaminated by PAHs, aliphatic hydrocarbons and HMs. The analysis of the benthic prokaryotic diversity showed that the distribution of the dominant taxon (Gammaproteobacteria) was mainly influenced by PAHs, As, and Cd concentrations. The other abundant taxa (including Alphaproteobacteria, Deltaproteobacteria, Bacteroidetes, Acidobacteria, Actinobacteria, NB1-j, Desulfobacterota, and Myxococcota) were mainly driven by sediment grain size and by Cu and Cr concentrations, while the rare taxa (i.e., each contributing <1%) by As and aliphatic hydrocarbons concentrations and by sediment redox potential. These results suggest a differential response of bacterial taxa to environmental features and chemical contamination and those different bacterial groups may be inhibited or promoted by different contaminants. This hypothesis was confirmed by culturing and isolating 80 bacterial strains using media highly enriched in PAHs, only nine of which were contextually resistant to high HM concentrations. Such resistant isolates represented novel Gammaproteobacteria strains affiliated to Vibrio, Pseudoalteromonas, and Agarivorans, which were only scarcely represented in their original assemblages. These findings suggest that rare but culturable bacterial strains resistant/tolerant to ... |
| نوع الوثيقة: |
dataset |
| اللغة: |
unknown |
| Relation: |
https://figshare.com/articles/dataset/Data_Sheet_1_Highly_Contaminated_Marine_Sediments_Can_Host_Rare_Bacterial_Taxa_Potentially_Useful_for_Bioremediation_docx/14132651 |
| DOI: |
10.3389/fmicb.2021.584850.s001 |
| الاتاحة: |
https://doi.org/10.3389/fmicb.2021.584850.s001 |
| Rights: |
CC BY 4.0 |
| رقم الانضمام: |
edsbas.70577FCA |
| قاعدة البيانات: |
BASE |