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Title of Journal: Microb Ecol

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Abbravation: Microbial Ecology

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Springer US

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DOI

10.1007/bf03097684

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1432-184X

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Comparative Transcriptomic Analysis of the Respons

Authors: Fernando PuenteSánchez Sanna Olsson Angeles Aguilera
Publish Date: 2016/08/02
Volume: 72, Issue: 3, Pages: 595-607
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Abstract

Heavy metals are toxic compounds known to cause multiple and severe cellular damage However acidophilic extremophiles are able to cope with very high concentrations of heavy metals This study investigated the stress response under natural environmental heavy metal concentrations in an acidophilic Dunaliella acidophila We employed Illumina sequencing for a de novo transcriptome assembly and to identify changes in response to high cadmium concentrations and natural metalrich water The photosynthetic performance was also estimated by pulse amplitudemodulated PAM fluorescence Transcriptomic analysis highlights a number of processes mainly related to a high constitutive expression of genes involved in oxidative stress and response to reactive oxygen species ROS even in the absence of heavy metals Photosynthetic activity seems to be unaltered under shortterm exposition to Cd and chronic exposure to natural metalrich water probably due to an increase in the synthesis of structural photosynthetic components preserving their functional integrity An overrepresentation of Gene Ontology GO terms related to metabolic activities transcription and proteosomal catabolic process was observed when D acidophila grew under chronic exposure to natural metalrich water GO terms involved in carbohydrate metabolic process reticulum endoplasmic and Golgi bodies were also specifically overrepresented in natural metalrich water library suggesting an endoplasmic reticulum stress responseFunding was provided by the Spanish Ministry of Economy and Competitivity MINECO under Grants No CGL201122540 and CGL201569758 F PuenteSánchez was supported by a JAEpredoctoral fellowship Consejo Superior de Investigaciones Científicas CSIC We acknowledge the Data Intensive Academic Grid DIAG computing infrastructure funded by National Science Foundation under Grant No 0959894 titled MRIR2 Acquisition of Data Intensive Academic Grid DIAG as well as CSC – Finnish IT Center for Science and the Finnish grid infrastructure FGI for the allocation of computational resources


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Other Papers In This Journal:

  1. Frequency and Diversity of Nitrate Reductase Genes among Nitrate-Dissimilating Pseudomonas in the Rhizosphere of Perennial Grasses Grown in Field Conditions
  2. Characterization of Bacterial Communities in Sediments Receiving Various Wastewater Effluents with High-Throughput Sequencing Analysis
  3. Bacterial Community Dynamics during Bioremediation of Diesel Oil-Contaminated Antarctic Soil
  4. Assessing the Contamination Potential of Freshly Extracted Escherichia coli Biofilm Cells by Impedancemetry
  5. Denitrifying Bacterial Community Composition Changes Associated with Stages of Denitrification in Oxygen Minimum Zones
  6. Is There a Size Limit for Cosmopolitan Distribution in Free-Living Microorganisms? A Biogeographical Analysis of Testate Amoebae from Polar Areas
  7. Vegetation Affects the Relative Abundances of Dominant Soil Bacterial Taxa and Soil Respiration Rates in an Upland Grassland Soil
  8. Epilithic Algae Distribution Along a Chemical Gradient in a Naturally Acidic River, Río Agrio (Patagonia, Argentina)
  9. Distribution of Cren- and Euryarchaeota in Scots Pine Mycorrhizospheres and Boreal Forest Humus
  10. Feasibility of Removing Surface Deposits on Stone Using Biological and Chemical Remediation Methods
  11. Molecular Characterization and Geological Microenvironment of a Microbial Community Inhabiting Weathered Receding Shale Cliffs
  12. Previously Undescribed Plasmids Recovered from Activated Sludge Confer Tetracycline Resistance and Phenotypic Changes to Acinetobacter oleivorans DR1
  13. Morphological and Phylogenetic Analysis of Fusarium solani Species Complex in Malaysia
  14. Culturable Airborne Bacteria in Outdoor Environments in Beijing, China
  15. Study of the Degradation Activity and the Strategies to Promote the Bioavailability of Phenanthrene by Sphingomonas paucimobilis Strain 20006FA
  16. Ecological Characterisation of the Colonic Microbiota in Arctic and Sub-Arctic Seals
  17. Isolation and Identification of the Microbiota of Danish Farmhouse and Industrially Produced Surface-Ripened Cheeses
  18. Effects of Experimental Lead Pollution on the Microbial Communities Associated with Sphagnum fallax (Bryophyta)
  19. Habitat Heterogeneity and Associated Microbial Community Structure in a Small-Scale Floodplain Hyporheic Flow Path
  20. Abundance of Class 1 Integron-Integrase and Sulfonamide Resistance Genes in River Water and Sediment Is Affected by Anthropogenic Pressure and Environmental Factors
  21. Patterns of Multi-Antibiotic-Resistant Escherichia Coli from Streams with No History of Antimicrobial Inputs
  22. Does the Reproductive Strategy Affect the Transmission and Genetic Diversity of Bionts in Cyanolichens? A Case Study Using Two Closely Related Species
  23. Strong Indirect Effects of a Submersed Aquatic Macrophyte, Vallisneria americana , on Bacterioplankton Densities in a Mesotrophic Lake
  24. Erratum to: Influence of Deglaciation on Microbial Communities in Marine Sediments off the Coast of Svalbard, Arctic Circle
  25. Microbial Characterization during the Early Habitation of the International Space Station
  26. 16S rRNA and As-Related Functional Diversity: Contrasting Fingerprints in Arsenic-Rich Sediments from an Acid Mine Drainage
  27. 16S rRNA and As-Related Functional Diversity: Contrasting Fingerprints in Arsenic-Rich Sediments from an Acid Mine Drainage
  28. Methanogen Colonisation Does Not Significantly Alter Acetogen Diversity in Lambs Isolated 17 h After Birth and Raised Aseptically
  29. Changes in Communities of Fusarium and Arbuscular Mycorrhizal Fungi as Related to Different Asparagus Cultural Factors
  30. Pond Sediment Magnetite Grains Show a Distinctive Microbial Community
  31. Response of Benthic Protozoa and Thraustochytrid Protists to Fish Farm Impact in Seagrass ( Posidonia oceanica ) and Soft-Bottom Sediments
  32. Effects of Species Diversity on Establishment and Coexistence: A Phylloplane Fungal Community Model System
  33. Amazonian Dark Earth and Plant Species from the Amazon Region Contribute to Shape Rhizosphere Bacterial Communities
  34. Eggshell Bacterial Load Is Related to Antimicrobial Properties of Feathers Lining Barn Swallow Nests
  35. Comparison of Archaeal and Bacterial Diversity in Methane Seep Carbonate Nodules and Host Sediments, Eel River Basin and Hydrate Ridge, USA
  36. Desert Perennial Shrubs Shape the Microbial-Community Miscellany in Laimosphere and Phyllosphere Space
  37. Ecological Occurrence of Gluconacetobacter diazotrophicus and Nitrogen-fixing Acetobacteraceae Members: Their Possible Role in Plant Growth Promotion

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