Microbial Communities in Coastal Sediments Books

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Microbial Communities in Coastal Sediments


Microbial Communities in Coastal Sediments
  • Author : Salom Thanga
  • Publisher : Elsevier
  • Release : 2020-01-15
  • ISBN : 012815165X
  • Language : En, Es, Fr & De
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Microbial Communities in Coastal Sediments: Structure and Functions presents research gained on coastal microbiology over the past two decades. The book covers the source of organic matter, which is found to design sediment microbial communities, and goes on to consider the quality of this matter with regard to degradation in coastal sediment. The book explores human induced changes in coastal ecosystems, then later focuses on the availability of nutrients, source of persistent organic pollutants (POPs) in the sediment, and the sequencing of microbial structures and functions when using molecular tools. Despite the years of research, this is the first book to focus purely on coastal microbes in coastal ecosystems. As such, it is for gaining a better understanding of the diversity and functions of different types of microbes in coastal ecosystems across the globe. The book outlines the microbial community structure in marine sediments while also elaborating on the methods of assessment of the microbial community, making it of great relevance to aquatic microbiologists, marine ecologists, marine microbiologists, aquatic researchers, and scientists alike. Presents data on physico-chemical and biological features of coastal ecosystems and microbial community composition, allowing researchers to compare their data with pre-existing data Includes unique figures, schematic diagrams and photographs related to microbial processes of coastal ecosystems, providing a clear representation on the different aspects of microbial structure and functions Provides analytical methods and detailed molecular techniques for qualitative and quantitative analyses of microbial community structure, enabling scientists and students to follow the protocols provided in the book for assessment in their own research

Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors


Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors
  • Author : Susma Bhattarai Gautam
  • Publisher : CRC Press
  • Release : 2018-08-14
  • ISBN : 1138330213
  • Language : En, Es, Fr & De
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Anaerobic oxidation of methane (AOM) coupled to sulfate reduction (AOM-SR) is a biological process mediated by anaerobic methanotrophs (ANME) and sulfate reducing bacteria. It has scientific and societal relevance in regulating the global carbon and biotechnological application for treating sulfate-rich wastewater. However, the detailed knowledge on ANME community is less available. This research aimed to enhance the recent knowledge on ANME distribution and enrichment in different bioreactor configurations, i.e. membrane bioreactor (MBR), biotrickling filter (BTF) and high pressure bioreactor (HPB). AOM-SR was observed in the coastal sediments from marine Lake Grevelingen (the Netherlands), which was dominated by ANME-3 among known ANME types. The BTF operation showed the enrichment of ANME in the biofilm, especially ANME-1 (40%) and ANME-2 (10%). Interestingly, in the MBR, dominancy of aggregates of ANME-2 and Desulfosarcina were observed. Moreover, during the study of highly enriched ANME-2a clade from cold seep in HPB at different temperature and pressure conditions, the incubation at 10 MPa pressure and 15oC was observed to be the most suitable condition for the ANME-2a phylotype, which is similar to in situ conditions where the biomass was sampled, i.e. Captain Aryutinov mud volcano, Gulf of Cadiz.

The Responses of Marine Microorganisms Communities and Ecofunctions to Environmental Gradients


The Responses of Marine Microorganisms  Communities and Ecofunctions to Environmental Gradients
  • Author : Stefan M. Sievert
  • Publisher : Frontiers Media SA
  • Release : 2019-04-05
  • ISBN : 9782889458073
  • Language : En, Es, Fr & De
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Marine environments are fluid. Microorganisms living in the ocean experience diverse environmental changes over wide spatiotemporal scales. For microorganisms and their communities to survive and function in the ocean, they need to have the capacity to sense, respond to, adapt to and/or withstand periodic and sporadic environmental changes. This eBook collates a variety of recent research reports and theoretical discussions on the ecoenergetic strategies, community structure, biogeochemical and ecosystem functions as well as regulatory processes and mechanisms that marine microorganisms employ in response to environmental gradients and variations.

Ecology of Coastal Marine Sediments


Ecology of Coastal Marine Sediments
  • Author : Simon Thrush
  • Publisher :
  • Release : 2021-02-12
  • ISBN : 9780198804765
  • Language : En, Es, Fr & De
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This accessible textbook provides an ideal point of entry into the field, providing basic information on the nature of soft-sediment ecosystems, examples of how and why we research them, the new questions these studies inspire, and the applications that ultimately benefit society.

Deep Subsurface Microbiology


Deep Subsurface Microbiology
  • Author : Andreas Teske
  • Publisher : Frontiers Media SA
  • Release : 2015-07-01
  • ISBN : 9782889195367
  • Language : En, Es, Fr & De
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Deep subsurface microbiology is a highly active and rapidly advancing research field at the interface of microbiology and the geosciences; it focuses on the detection, identification, quantification, cultivation and activity measurements of bacteria, archaea and eukaryotes that permeate the subsurface biosphere of deep marine sediments and the basaltic ocean and continental crust. The deep subsurface biosphere abounds with uncultured, only recently discovered and – at best - incompletely understood microbial populations. In spatial extent and volume, Earth's subsurface biosphere is only rivaled by the deep sea water column. So far, no deep subsurface sediment has been found that is entirely devoid of microbial life; microbial cells and DNA remain detectable at sediment depths of more than 1 km; microbial life permeates deeply buried hydrocarbon reservoirs, and is also found several kilometers down in continental crust aquifers. Severe energy limitation, either as electron acceptor or donor shortage, and scarcity of microbially degradable organic carbon sources are among the evolutionary pressures that have shaped the genomic and physiological repertoire of the deep subsurface biosphere. Its biogeochemical role as long-term organic carbon repository, inorganic electron and energy source, and subduction recycling engine continues to be explored by current research at the interface of microbiology, geochemistry and biosphere/geosphere evolution. This Research Topic addresses some of the central research questions about deep subsurface microbiology and biogeochemistry: phylogenetic and physiological microbial diversity in the deep subsurface; microbial activity and survival strategies in severely energy-limited subsurface habitats; microbial activity as reflected in process rates and gene expression patterns; biogeographic isolation and connectivity in deep subsurface microbial communities; the ecological standing of subsurface biospheres in comparison to the surface biosphere – an independently flourishing biosphere, or mere survivors that tolerate burial (along with organic carbon compounds), or a combination of both? Advancing these questions on Earth’s deep subsurface biosphere redefines the habitat range, environmental tolerance, activity and diversity of microbial life.