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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Corals-Classification. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (569 pages)
    Edition: 1st ed.
    ISBN: 9783319916088
    Series Statement: Coral Reefs of the World Series ; v.9
    DDC: 593.6
    Language: English
    Note: Intro -- Dedication -- Foreword -- Acknowledgements -- Contents -- Introduction -- 1: An Introduction to the Research on Mediterranean Cold-Water Corals -- 1.1 About this Introductory Chapter -- 1.2 Discovering the Mediterranean Deep-Sea Benthos -- 1.3 Mediterranean Cold-Water Corals: An Old and New Story -- 1.3.1 The Old Story -- 1.3.2 The New Story -- 1.4 Cold-Water Coral Structure, Shelter, and Associated Diversity -- 1.5 Cold-Water Corals, Oceanographic and Geological Past, Present and Future -- 1.6 Understanding Distribution Patterns and the Mediterranean - Atlantic Link: Studies on Connectivity -- 1.7 Approaching the Study of the Mediterranean Cold-Water Corals at Different Scales -- 1.8 Threats for Cold-Water Corals in the Mediterranean Sea, Conservation Actions and Perspectives -- 1.9 …Still Much Work to Do -- References -- Part I: Past -- 2: Paleoecology of Mediterranean Cold-Water Corals -- 2.1 Introduction -- 2.2 Cold-Water Coral Paleoecology -- 2.2.1 Early Taphonomy -- 2.2.2 Diagenesis -- 2.3 Mode of Fossil Cold-Water Coral Occurrence -- 2.3.1 Outcrop -- 2.3.1.1 Cold-Water Corals Hosted in Loose Sediment -- 2.3.1.2 Cold-Water Corals Plastering Hard Substrates -- 2.3.1.3 Cold-Water Corals Embedded in Limestones -- 2.3.2 Submarine Occurrences -- 2.3.3 CWC in Sediment Cores -- 2.4 Paleoenvironmental Information Derivable from Geochemical Signals -- 2.5 Discussion -- 2.6 Conclusions and Future Research -- References -- Cross References -- 3: Drop Chapter Cold-Water Corals in the Mediterranean: A History of Discovery -- References -- Cross References -- 4: A Turbulent Story: Mediterranean Contourites and Cold-Water Corals -- 4.1 Introduction -- 4.2 Hydrographic Setting -- 4.3 Contourite Deposits -- 4.4 Currents and Ecosystemic Response -- 4.5 CWC Establishment -- 4.6 Conclusions and Future Perspectives -- References. , Cross References -- 5: Drop Chapter Messinian Salinity Crisis: What Happened to Cold-Water Corals? -- Introduction -- The Temporal Sequence of the MSC -- The Impact of MSC on CWCs -- References -- Cross Reference -- 6: Drop Chapter Did Quaternary Climate Fluctuations Affect Mediterranean Deep-Sea Coral Communities? -- References -- Cross References -- 7: Drop Chapter A Deglacial Cold-Water Coral Boom in the Alborán Sea: From Coral Mounds and Species Dominance -- References -- Cross References -- 8: Drop Chapter Highly Variable Submarine Landscapes in the Alborán Sea Created by Cold-Water Corals -- References -- Cross References -- 9: Spatio-Temporal Distribution of Mediterranean Cold-Water Corals -- 9.1 Introduction -- 9.2 Material and Methods -- 9.3 Cold-Water Corals Through Geological Times -- 9.3.1 Key Study Sites -- 9.3.1.1 Miocene -- 9.3.1.2 Pliocene -- 9.3.1.3 Early-Middle Pleistocene -- 9.3.1.4 Late Pleistocene (Last 50 kyrs) - Holocene -- 9.4 Spatio-Temporal Patterns of Key Cold-Water Coral Species -- 9.5 Conclusive Remarks and Future Perspectives -- References -- Cross References -- 10: Drop Chapter Bathyal Corals Within the Aegean Sea and the Adjacent Hellenic Trench -- References -- Cross References -- 11: Mediterranean Cold-Water Corals as Paleoclimate Archives -- 11.1 Introduction -- 11.2 Cold-Water Corals as Paleoclimate Archives: Environmental vs. Biologically-Induced Geochemical Signals -- 11.3 Geochemistry of the Mediterranean Cold-Water Corals -- 11.3.1 U/Th, 14C and Nd Isotopes Measurements to Constrain the Water Mass Dynamics -- 11.3.2 Cold-Water Coral Paleothermometers -- 11.3.3 Boron Isotopes vs. Seawater pH -- 11.3.4 Coral P/Ca as a Seawater Nutrient Proxy -- 11.4 Conclusions and Future Perspectives -- References -- Cross References -- 12: Drop Chapter Tomography of Cold-Water Corals-Bearing Cores -- Introduction. , Computed Tomography (CT) -- CT of Mediterranean Cold-Water Corals -- Conclusions -- References -- 13: Drop Chapter Changing Views About Mediterranean Cold-Water Corals -- Introduction -- Seguenza or When Deep-Sea Forms Got Discovered First on Land Than Offshore -- Reversing the Paradigm -- References -- Cross References -- Part II: Present -- 14: Taxonomy, Genetics and Biodiversity of Mediterranean Deep-Sea Corals and Cold-Water Corals -- 14.1 Introduction -- 14.2 Some General Insights into the Anatomy and Systematics of the Deep-Sea Corals and Cold-Water Corals -- 14.2.1 Cold-Water Corals? Deep-Sea Corals? -- 14.2.2 Anatomy and Systematics -- 14.3 The Mediterranean Deep-Sea Corals and Cold-Water Coral Groups -- 14.3.1 Class Anthozoa, Subclass Hexacorallia -- 14.3.1.1 Order Antipatharia -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.3.1.2 Order Scleractinia -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.3.1.3 Order Zoantharia -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.3.2 Class Anthozoa, Subclass Octocorallia -- 14.3.2.1 Order Alcyonacea -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.3.2.2 Order Pennatulacea -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.3.3 Class Hydrozoa, Subclass Hydroidolina -- 14.3.3.1 Order Anthoathecata -- Taxonomy and Taxonomic Characters -- Molecular Aspects -- Mediterranean Species -- Remarkable Sites and Distribution -- 14.4 Overview -- 14.4.1 Overall Biodiversity -- 14.4.2 Future Perspectives -- References. , Cross References -- 15: Habitat Mapping of Cold-Water Corals in the Mediterranean Sea -- 15.1 Introduction -- 15.2 CASE STUDY 1 - The Chella Bank, Alborán Sea -- 15.2.1 Conservation Value of the Chella Bank -- 15.2.2 The Chella Bank and Its Habitats -- 15.2.3 Automatic Classification of Benthic Habitats on the Chella Bank -- 15.3 CASE STUDY 2 - The Santa Maria de Leuca CWC Province, Ionian Sea -- 15.3.1 Conservation Value of the SML CWC Province -- 15.3.2 The SML CWC Topped Mounds and Other Coral Facies -- 15.3.3 Supervised Automatic Classification of SML Coral Facies -- 15.4 Conclusions -- References -- Cross References -- 16: Cold-Water Coral Habitat Mapping in the Mediterranean Sea: Methodologies and Perspectives -- 16.1 Introduction -- 16.2 Large Scale Data -- 16.2.1 Bathymetric Data -- 16.2.1.1 Terrain Morphometric Attributes -- 16.2.2 Backscatter Data -- 16.2.3 Sub-bottom Profiles -- 16.3 Small Scale Data -- 16.3.1 Video Processing -- 16.4 Cold-Water Coral Habitat Mapping -- 16.4.1 Top-Down Approach -- 16.4.2 Bottom-Up Approach -- 16.4.2.1 Automatic Classification -- 16.4.2.2 Habitat Suitability Models -- 16.5 Cold-Water Coral Habitat Mapping Techniques Caveats and Perspectives -- 16.6 Conclusions -- References -- Cross References -- 17: Drop Chapter Working with Visual Methods, Comparison Among the French Deep-Sea Canyons -- References -- Cross References -- 18: Review of the Circulation and Characteristics of Intermediate Water Masses of the Mediterranean: Implications for Cold-Water Coral Habitats -- 18.1 Introduction -- 18.2 Approach -- 18.3 Water Masses -- 18.3.1 The Functioning of the Mediterranean Sea -- 18.3.2 Deep Water Formation -- 18.3.3 Levantine Intermediate Water Formation -- 18.4 Water Mass Characteristics and Flows -- 18.4.1 Eastern Mediterranean -- 18.4.2 Western Mediterranean -- 18.5 Summary -- References. , Cross References -- 19: Occurrence and Biogeography of Mediterranean Cold-Water Corals -- 19.1 Introduction -- 19.1.1 Cold-Water Corals Sensu lato -- 19.2 Mediterranean CWC Occurrences -- 19.2.1 Northern Ionian Sea -- 19.2.2 Southern Adriatic Sea -- 19.2.3 Sicily Channel -- 19.2.4 South Sardinia and South Tyrrhenian Sea -- 19.2.5 Gulf of Lions -- 19.2.6 Eastern Alborán Sea -- 19.3 Hard Bottom CWCs -- 19.3.1 The White Triad -- 19.3.2 Black CWCs: Antipatharia -- 19.3.3 Yellow CWCs: Dendrophyllia cornigera -- 19.3.4 Alcyonacea: Soft CWCs on Hard Bottoms -- 19.3.5 Stylasteridae: The Case of Errina aspera -- 19.4 Soft Bottom CWCs -- 19.4.1 Isidella elongata -- 19.4.2 Pennatulacea -- 19.5 Corals and Currents: A Juxtaposition -- 19.6 Knowledge Gaps -- References -- Cross References -- 20: Drop Chapter Gorgonian and Black Coral Assemblages in Deep Coastal Bottoms and Continental Shelves of the Mediterranean Sea -- References -- Cross References -- 21: Drop Chapter Mediterranean Black Coral Communities -- References -- Cross References -- 22: Drop Chapter Recent Discoveries of Extensive Cold-Water Coral Assemblages in Maltese Waters -- References -- Cross References -- 23: Drop Chapter Corals of Aphrodite: Dendrophyllia ramea Populations of Cyprus -- References -- Cross References -- 24: Drop Chapter Cold-Water Corals in Fluid Venting Submarine Structures -- References -- Cross References -- 25: Drop Chapter Cold-Water Corals and Mud Volcanoes: Life on a Dynamic Substrate -- References -- Cross-References -- 26: Occurrence of Living Cold-Water Corals at Large Depths Within Submarine Canyons of the Northwestern Mediterranean Sea -- 26.1 Introduction -- 26.2 Study Area -- 26.3 Materials and Methods -- 26.3.1 Data Collection -- 26.3.2 Video and Hauling Data Treatment -- 26.4 Results -- 26.4.1 ROV Video-Observations. , 26.4.2 Agassiz Trawling.
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  • 2
    Keywords: Aquatic biology ; Conservation Biology/Ecology ; Conservation biology ; Oceanography ; Biodiversity ; Marine Sciences ; Ecology . ; Freshwater. ; Aquatic ecology .
    Description / Table of Contents: 1. An introduction to the research on Mediterranean cold-water corals -- PART I – Past -- 2. Paleoecology of Mediterranean cold-water corals -- 3. Drop chapter. Cold water corals in the Mediterranean: a history of discovery -- 4. A turbulent story: Mediterranean contourites and cold-water corals -- 5. Drop chapter. Messinian salinity crisis: what happened to cold-water corals? -- 6. Drop chapter. Did Quaternary climate fluctuations affect Mediterranean deep-sea coral communities? -- 7. Drop chapter. A deglacial cold-water coral boom in the Alborán Sea: from coral mounds and species dominance -- 8. Drop chapter. Highly variable submarine landscapes in the Alborán Sea created by cold-water corals -- 9. Spatio-temporal distribution of Mediterranean cold-water corals -- 10. Drop chapter. Bathyal corals within the Aegean Sea and the adjacent Hellenic trench -- 11. Mediterranean cold-water corals as paleoclimate archives -- 12. Drop chapter: Tomography of cold-water corals - bearing cores -- 13. Drop chapter. Changing views about Mediterranean cold-water corals -- PART II – Present -- 14. Taxonomy, genetics and biodiversity of Mediterranean deep-sea corals and cold-water corals -- 15. Habitat mapping of cold-water corals in the Mediterranean Sea -- 16. Cold-water coral habitat mapping in the Mediterranean Sea: methodologies and perspectives -- 17. Drop chapter. Working with visual methods, comparison among the French deep-sea canyons -- 18. Review of the circulation and characteristics of intermediate water masses of the Mediterranean--implications for cold-water coral habitats -- 19. Occurrence and biogeography of Mediterranean cold-water corals -- 20. Drop chapter. Gorgonian and black coral assemblages in deep coastal bottoms and continental shelves of the Mediterranean Sea -- 21. Drop chapter. Mediterranean black coral communities -- 22. Drop chapter. Recent discoveries of extensive cold-water coral assemblages in Maltese waters -- 23. Drop chapter. Corals of Aphrodite: Dendrophyllia ramea populations of Cyprus -- 24. Drop chapter. Cold-water corals in fluid venting submarine structures -- 25. Drop chapter. Cold-water corals and mud volcanoes – life on a dynamic substrate -- 26. Occurrence of living cold-water corals at large depths within submarine canyons of the northwestern Mediterranean Sea -- 27. Drop chapter. Submarine canyons in the Mediterranean: a shelter for cold-water corals -- 28. Drop chapter. A cold-water coral habitat in La Fonera submarine canyon, northwestern Mediterranean Sea -- 29. Cold-water coral associated fauna in the Mediterranean Sea and adjacent areas -- 30. Cold-water corals as shelter, feeding and life-history critical habitats for fish species: ecological interactions and fishing impact -- 31. Past, present and future connectivity of Mediterranean cold-water corals: patterns, drivers and fate in a technically and environmentally changing world -- 32. Drop chapter. Desmophyllum dianthus genetics and more -- 33. Diversity of bacteria associated with the cold-water corals Lophelia pertusa and Madrepora oculata -- 34. Drop chapter. Lophelia pertusa and Madrepora oculata: An Archaea riddle? -- 35. Biology and ecophysiology of Mediterranean cold-water corals -- 36. Growth patterns of Mediterranean calcifying cold-water corals -- 37. Demography and conservation of deep corals: the study of population structure and dynamics -- 38. Cold-water coral in aquaria: advances and challenges. A focus on the Mediterranean -- 39. Drop chapter. Approaching cold-water corals to the society: novel ways to transfer knowledge -- PART III – Future -- 40. Perspectives of biophysical modelling with implications on biological connectivity of Mediterranean cold-water corals -- 41. Drop chapter. The interface between tectonic evolution and cold-water coral dynamics in the Mediterranean -- 42. Drop chapter. The Mediterranean is getting saltier: from the past to the future -- 43. Drop chapter. The spread of non-indigenous species in the Mediterranean – a threat to cold-water corals? -- 44. Fate of Mediterranean scleractinian cold-water corals as a result of global climate change. A synthesis. - 45. Drop chapter. A case study: variability in the calcification response of Mediterranean cold-water corals to ocean acidification -- 46. Conservation of cold-water corals in the Mediterranean: current status and future prospects for improvement
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XIV, 582 p. 188 illus., 145 illus. in color)
    Edition: 1st ed. 2019
    ISBN: 9783319916088
    Series Statement: Coral Reefs of the World 9
    Language: English
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  • 3
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The carbon assimilation efficiency and the internal composition of the chlorophyte Dunaliella viridis have been studied under conditions of current (0.035%) and enriched (1%) levels of CO2, with and without N limitation (supplied as nitrate). Results show that both photosynthesis and growth rates are enhanced by high CO2, but the strategy of acclimation also involves the light harvesting machinery and the nutritional metabolism in an N supply dependent manner. D. viridis carried out a qualitative rather than a quantitative acclimation of the light harvesting system leading to increased PSII quantum yields. Total internal C decreased as a consequence of either active growth or organic carbon release to the external medium. The latter process allowed photosynthetic electron transport to proceed at higher rates than under normal CO2 conditions, and maintained the internal C:N balance in a narrow range (under N sufficiency). N limitation generally prevented the effects of high CO2, with some exceptions such as the photosynthetic O2 evolution rate.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The factors that can influence the outcome of orthotopic liver transplantation (OLT) are numerous. The purpose of this study was to determine the effects of recipient preoperative factors on patient mortality. Between April 1986 and April 1998 a total of 600 OLTs were performed in our institution. We retrospectively reviewed our first 203 consecutive primary adult OLTs with at least 4 years of follow-up. A case-control comparison was performed between survivors and nonsurvivors, and differences in recipient variables were studied for their correlation with patient mortality. A logistic regression analysis was also performed. Mortality was significantly increased among those with fulminant hepatic failure (FHF) (66.6%, p= 0.003), primary cancer (63.1%, p= 0.018), females (46.1%, p= 0.043), encephalopathy grade IV (72.7%, p= 0.012), recipients under respiratory support (69.2%, p= 0.031), and ABO-incompatible transplants (80%, p= 0.05). FHF, primary cancer, and female gender were the only variables that had a significant association with mortality in the logistic regression analysis. A higher incidence of prolonged respiratory support, bacterial and fungal infections, pneumonia, and chronic rejection contributed to the lower outcome observed in females. These results stress the need for continuous evaluation of the selection criteria of candidates for OLT suffering from primary cancer and FHF. The impact of recipient gender on mortality warrants further analysis but suggests that in the future more attention must be paid to the influence of this factor on the final outcome of OLT.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1573-5052
    Keywords: oxygen measurements ; PAM fluorescence ; photoinhibition ; Porphyra ; rhodophyta ; ultraviolet radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photosynthetic oxygen production and PAM fluorescence measurements were used to follow photoinhibition in the red macroalga Porphyra umbilicalis. Exposure to simulated solar radiation caused inhibition of the effective photosynthetic quantum yield from which the thalli partially recovered in the shade in subsequent hours. There were no significant differences between samples exposed to unfiltered radiation and those exposed to radiation from which increasing portions of UV radiation had been removed indicating that the thalli are well adapted to current levels of solar PAR and UV radiation. This notion was supported by the finding of high concentrations of UV screening pigments which were even enhanced by exposure to increased UV radiation. However, when exposed to (only) UV radiation about 50% higher than that encountered by the organisms in their natural habitat, the photosynthetic yield decreased slowly and did not show any recovery even when the degree of inhibition did not exceed 10%.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-5176
    Keywords: Cyanobacterium ; Spirulina platensis ; Arthrospira ; CO2 ; organic carbon ; nitrogen ; photosynthesis ; batch culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The consequences of the addition of CO2 (1%) in cultures of S. platensis are examined in terms of biomass yield, cell composition and external medium composition. CO2 enrichment was tested under nitrogen saturating and nitrogen limiting conditions. Increasing CO2 levels did not cause any change in maximum growth rate while it decreased maximum biomass yield. Protein and pigments were decreased and carbohydrate increased by high CO2, but the capability to store carbohydrates was saturated. C:N ratio remained unchanged while organic carbon released to the external medium was enhanced, suggesting that organic carbon release in S. platensis is an efficient mechanism for the maintenance of the metabolic integrity, balancing the cell C:N ratio in response to environmental CO2 changes. CO2 affected the pigment content: Phycocyanin, chlorophyll and carotenoids were reduced in around 50%, but the photosynthetic parameters were slightly changed. We propose that in S. platensis CO2 could act promoting degradation of pigments synthetised in excess in normal CO2 conditions, that are not necessary for light harvesting. Nitrogen assimilation was significantly not affected by CO2, and it is proposed that the inability to stimulate N assimilation by CO2 enrichment determined the lack of response in maximum growth rate.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied phycology 3 (1991), S. 319-327 
    ISSN: 1573-5176
    Keywords: Dunaliella viridis ; growth ; salinity ; temperature ; nitrogen concentration ; batch culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The growth of a strain ofD. viridis has been studied in batch culture under different combinations of temperature, salinity and nitrogen concentrations. Changes in these variables have a significant effect on cell division, biomass production, cell volume and pigment yield. This strain grows optimally at 1 M NaCl and 30 °C. Increasing salinity up to 4 M NaCl leads to a significant decrease of cell division rate and maximal population; growth at lower temperature decreases the rate of division of the cells but increases maximal cell density. Pigment yield decreases with increasing salinity and increases with increasing temperature. Nitrogen concentration has a large effect on total cell biomass and pigment production, but not on cell division rate. Saturation of growth occurs at 5 mM NO 3 − ; higher concentration (e.g. 10 mM) leads to a decrease of maximal cell density and photosynthetic pigment content.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-5176
    Keywords: Dunaliella viridis ; subsidiary energy quantification ; growth ; carotenoids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An account is given of the influence of different levels of mechanical energy, in the form of bubbling, on the growth of the microalgaDunaliella viridis when other variables (e.g. temperature, nutrient supply, photon fluence) do not change. The extra energy was quantified accurately through the application of the classical equations of mass and energy conservation providing a method for the calculation of the energy efficiency of primary production related to the total energy input, in which photon fluence was found to be the most important. The specific growth rate (μ) of the population vs the input of auxiliary energy fits to a second order polynomial function with a maximum growth rate at 0.63 W m−2. The increase of maximal cell density follows a hyperbolic saturation kinetics, with saturation at those same values of extra energy. Both primary production and the efficiency of energy transformation inD. viridis vs the variation of total energy input fit to hyperbolic functions, reaching a maximum efficiency for primary production of 0.85%.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-5176
    Keywords: Nitrate reductase ; in situ enzymatic activity ; Dunaliella viridis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An in situ method for measuring nitrate reductase (NR) activity in Dunaliella viridis was optimized in terms of incubation time, concentration of KNO3, permeabilisers (1-propanol and toluene), pH, salinity, and reducing power (glucose and NADH). NR activity was measured by following nitrite production and was best assayed with 50 mM KNO3, 1.2 mM NADH, 5% 1-propanol (v/v), at pH 8.5. The estimated half-saturation constant (Ks) for KNO3 was 5 mM. Glucose had no effect as external reducing power source, and NADH concentrations 〉1.2 mM inhibited NR activity. Nitrite production was linear up to 20 min; longer incubation did not lead to higher nitrate reduction. The use of the optimized assay predicted the rate of NO 3 − removal from the external medium by D. viridis with high degree of precision.
    Type of Medium: Electronic Resource
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