We are improving our search experience. To check which content you have full access to, or for advanced search, go back to the old search.

Search

Please fill in this field.

Search Results

Showing 1-20 of 10,000 results
  1. Degradation and Preservation of Organic Matter in Marine Sediments

    Organic matter that is deposited in aquatic sediments is subject to an intense diagenetic reactor that determines how much organic carbon is...
    Stuart G. Wakeham, Elizabeth A. Canuel in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  2. Biological Markers for Anoxia in the Photic Zone of the Water Column

    In this chapter we review the current state of knowledge on the occurrence of anoxic conditions in the water column of past depositional systems...
    J. S. Sinninghe Damsté, S. Schouten in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  3. Controls on the Carbon Isotopic Compositions of Lipids in Marine Environments

    Organic carbon isotopes have long been used to study modern and ancient biogeochemical processes. Controls on the isotopic composition of organic...
    Richard D. Pancost, Mark Pagani in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  4. Sources and Cycling of Organic Matter in the Marine Water Column

    The organic carbon cycle operates on multiple time scales with a only small fraction of the global reservoir actively exchanged. For the marine...
    Chapter
  5. Molecular Tools for the Analysis of DNA in Marine Environments

    In the last decade, microbial ecologists have increasingly applied molecular techniques to investigate microorganisms in natural environments. The...
    R. Danovaro, C. Corinaldesi, ... A. Dell'Anno in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  6. Atmospheric Transport of Terrestrial Organic Matter to the Sea

    The transport of atmospheric particles with associated terrestrial organic matter to the oceans is an important process affecting various global...
    Chapter
  7. Sources and Fate of Organic Contaminants in the Marine Environment

    The sources, levels, and fate of organic contaminants of major concern in the marine environment are reviewed. Spatial distributions among the...
    Josep Maria Bayona, Joan Albaigés in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  8. Lipid Markers for Marine Organic Matter

    An astonishing variety of different lipids have been found in marine sediments and the water column attesting to the diversity of biosynthetic...
    Chapter
  9. Pigment Markers for Phytoplankton Production

    Chlorophylls and carotenoids are commonly used as quantitative biomarkers for the composition and biomass of marine phytoplankton. This chapter...
    Simon W. Wright, S. W. Jeffrey in Marine Organic Matter: Biomarkers, Isotopes and DNA
    Chapter
  10. Isotopic Tracers of the Marine Nitrogen Cycle: Present and Past

    The oceanic nitrogen cycle consists of a web of microbially mediated transformations driven in part by the large range in possible nitrogen...
    Chapter
  11. Early oxidative stress and DNA damage in Aβ-burdened hippocampal neurons in an Alzheimer’s-like transgenic rat model

    Oxidative stress is a key contributor to AD pathology. However, the earliest role of pre-plaque neuronal oxidative stress, remains elusive. Using...

    Morgan K. Foret, Chiara Orciani, ... Sonia Do Carmo in Communications Biology
    Article Open access 14 July 2024
  12. A versatile functional interaction between electrically silent KV subunits and KV7 potassium channels

    Voltage-gated K + (K V ) channels govern K + ion flux across cell membranes in response to changes in membrane potential. They are formed by the assembly...

    Vijay Renigunta, Nermina Xhaferri, ... Moritz Lindner in Cellular and Molecular Life Sciences
    Article Open access 14 July 2024
  13. Long sediment-laden algal turf likely impairs coral recovery on Florida’s coral reefs

    Coral reefs in the Florida Reef Tract have seen protracted loss of coral over the past several decades due to a variety of disturbances from marine...

    A. Duran, K. E. Speare, ... D. E. Burkepile in Coral Reefs
    Article 13 July 2024
  14. Identification of volatile metabolites produced from levodopa metabolism by different bacteria strains of the gut microbiome

    Interspecies pathways in the gut microbiome have been shown to metabolize levodopa, the primary treatment for Parkinson’s disease, and reduce its...

    Taylor Pennington, Jarrett Eshima, Barbara S. Smith in BMC Microbiology
    Article Open access 13 July 2024
  15. C4-like Sesuvium sesuvioides (Aizoaceae) exhibits CAM in cotyledons and putative C4-like + CAM metabolism in adult leaves as revealed by transcriptome analysis

    Background

    The co-occurrence of C 4 and CAM photosynthesis in a single species seems to be unusual and rare. This is likely due to the difficulty in...

    Christian Siadjeu, Gudrun Kadereit in BMC Genomics
    Article Open access 13 July 2024
  16. Preclinical and clinical advances to overcome hypoxia in glioblastoma multiforme

    Glioblastoma multiforme (GBM) is the most common adult primary brain tumor. The standard clinical treatment of GBM includes a maximal surgical...

    Jolie Bou-Gharios, Georges Noël, Hélène Burckel in Cell Death & Disease
    Article Open access 13 July 2024
  17. Efficacy of the dietary Malva parviflora leaves in modulating immune-antioxidant functions, resistance to Candida albicans and Streptococcus agalactiae infection, digestive/absorptive capacity, and growth of Nile tilapia (Oreochromis niloticus)

    Recently, the intervention of herbal plants in the fish diet has drawn a lot of interest due to their unique nutritional value and pharmacological...

    Afaf N. Abdel Rahman, Yasmin A. Reyad, ... Rowida E. Ibrahim in Aquaculture International
    Article 13 July 2024
  18. Rushing and spawning behavior of the Kidako moray Gymnothorax kidako

    This study investigated the reproductive behavior of the Kidako moray Gymnothorax kidako in Tateyama, Chiba, Japan and Enoshima Aquarium. Field...

    Naoya Oomori, Atsumi Fujita, ... Tomoki Sunobe in Ichthyological Research
    Article 13 July 2024
  19. Effects of warm oceanographic anomalies on the foraging variability of northern elephant seals

    Evaluation of stable carbon (δ 13 C) and nitrogen (δ 15 N) isotopes in marine organisms over time addresses how environmental variability (e.g., El...

    Eunice D. Rodríguez-Rafael, Fernando R. Elorriaga-Verplancken, ... Felipe Galván-Magaña in Marine Biology
    Article 13 July 2024
  20. Age-related dysregulation of CXCL9/10 in monocytes is linked to impaired innate immune responses in a mouse model of Staphylococcus aureus osteomyelitis

    Background

    Age-associated impairments in innate immunity are believed to be a causative factor responsible for severe pathogenesis of Staphylococcus...

    Yihuang Lin, Mankai Yang, ... **anrong Zhang in Cellular and Molecular Life Sciences
    Article Open access 13 July 2024
Did you find what you were looking for? Share feedback.