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Recent Advances in Acidophile Microbiology: Fundamentals and Applications

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889451630 Year: Pages: 155 DOI: 10.3389/978-2-88945-163-0 Language: English
Publisher: Frontiers Media SA
Subject: Microbiology --- Science (General)
Added to DOAB on : 2017-08-28 14:01:09
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There is considerable interest in pure and applied studies of extremophilic microorganisms, including those (acidophiles) that are active in low pH environments. As elsewhere in microbiology, this is a fast-developing field, and the proposed special issue of Frontiers highlights many of the more recent advances that have been made in this area. Authors from leading scientific groups located in North and South America, Australasia and Europe have contributed to this e-book, and the topics covered include advances in molecular, biochemical, biogeochemical and industrial aspects of acidophile microbiology.

Hydrothermal microbial ecosystems

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889196821 Year: Pages: 284 DOI: 10.3389/978-2-88919-682-1 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Microbiology
Added to DOAB on : 2016-04-07 11:22:02
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Systems biology and ecology of microbial mat communities

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197934 Year: Pages: 262 DOI: 10.3389/978-2-88919-793-4 Language: English
Publisher: Frontiers Media SA
Subject: Microbiology --- Science (General)
Added to DOAB on : 2017-02-03 17:04:57
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Microbial mat communities consist of dense populations of microorganisms embedded in exopolymers and/or biomineralized solid phases, and are often found in mm-cm thick assemblages, which can be stratified due to environmental gradients such as light, oxygen or sulfide. Microbial mat communities are commonly observed under extreme environmental conditions, deriving energy primarily from light and/or reduced chemicals to drive autotrophic fixation of carbon dioxide. Microbial mat ecosystems are regarded as living analogues of primordial systems on Earth, and they often form perennial structures with conspicuous stratifications of microbial populations that can be studied in situ under stable conditions for many years. Consequently, microbial mat communities are ideal natural laboratories and represent excellent model systems for studying microbial community structure and function, microbial dynamics and interactions, and discovery of new microorganisms with novel metabolic pathways potentially useful in future industrial and/or medical applications. Due to their relative simplicity and organization, microbial mat communities are often excellent testing grounds for new technologies in microbiology including micro-sensor analysis, stable isotope methodology and modern genomics. Integrative studies of microbial mat communities that combine modern biogeochemical and molecular biological methods with traditional microbiology, macro-ecological approaches, and community network modeling will provide new and detailed insights regarding the systems biology of microbial mats and the complex interplay among individual populations and their physicochemical environment. These processes ultimately control the biogeochemical cycling of energy and/or nutrients in microbial systems. Similarities in microbial community function across different types of communities from highly disparate environments may provide a deeper basis for understanding microbial community dynamics and the ecological role of specific microbial populations. Approaches and concepts developed in highly-constrained, relatively stable natural communities may also provide insights useful for studying and understanding more complex microbial communities.

Extremophiles and Extreme Environments

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ISBN: 9783038421771 9783038421788 Year: Pages: 438 DOI: 10.3390/books978-3-03842-178-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Added to DOAB on : 2016-06-07 11:29:03
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Advances in Polyhydroxyalkanoate (PHA) Production, Volume 2

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ISBN: 9783039286409 / 9783039286416 Year: Pages: 202 DOI: 10.3390/books978-3-03928-641-6 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Biotechnology
Added to DOAB on : 2020-06-09 16:38:57
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Nowadays, we are witnessing highly dynamic research activities related to the intriguing field of biodegradable materials with plastic-like properties. These activities are stimulated by the strengthened public awareness of prevailing ecological issues connected to growing piles of plastic waste and increasing greenhouse gas emissions; this goes hand-in-hand with the ongoing depletion of fossil feedstocks, which are traditionally used to produce full carbon backbone polymers. Polyhydroxyalkanoate (PHA) biopolyesters, a family of plastic-like materials with versatile material properties, are increasing considered to be a future-oriented solution for diminishing these concerns. PHA production is based on renewable resources and occurs in a bio-mediated fashion through the action of living organisms. If accomplished in an optimized way, PHA production and the entire PHA lifecycle are embedded into nature´s closed cycles of carbon. Sustainable and efficient PHA production requires understanding and improvement of all the individual process steps. Holistic improvement of PHA production, applicable on an industrially relevant scale, calls for, inter alia, consolidated knowledge about the enzymatic and genetic particularities of PHA-accumulating organisms, an in-depth understanding of the kinetics of the bioprocess, the selection of appropriate inexpensive fermentation feedstocks, tailoring of PHA composition at the level of its monomeric constituents, optimized biotechnological engineering, and novel strategies for PHA recovery from biomass characterized by low energy and chemical requirements. This Special Issue represents a comprehensive compilation of articles in which these individual aspects have been addressed by globally recognized experts.

Keywords

polyhydroxyalkanoate (PHA), bioprocess design --- carbon dioxide --- cyanobacteria --- upstream processing --- Archaea --- bioeconomy --- biopolyester --- downstream processing --- extremophiles --- haloarchaea --- Haloferax --- halophiles --- polyhydroxyalkanoates --- salinity --- polyhydroxyalkanoates --- terpolymer --- P(3HB-co-3HV-co-4HB) --- Cupriavidus malaysiensis --- polyhydroxyalkanoates --- biomedicine --- biomaterials --- Poly(3-hydroxybutyrate) --- tissue engineering --- wound healing --- delivery system --- poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHVB) --- poly(3-hydroxybutyrate-co-4-hydroxybutyrate) --- bubble column bioreactor --- COMSOL --- microorganism --- PHB --- simulation --- polyhydroxyalkanoate --- PHA --- process analytical technologies --- PAT --- plant oil --- high-cell-density fed-batch --- photon density wave spectroscopy --- PDW --- Ralstonia eutropha --- Cupriavidus necator --- on-line --- in-line --- polyhydroxyalkanoates --- fed-batch --- productivity --- Pseudomonas --- bioreactor --- microaerophilic --- PHA --- viscosity --- non-Newtonian fluid --- fed-batch fermentation --- oxygen transfer --- Pseudomonas putida --- medium-chain-length polyhydroxyalkanoate (mcl-PHA) --- alginate --- biosurfactants --- biopolymer --- Pseudomonas --- blends --- film --- polyhydroxyalkanoates processing --- electrospinning --- additive manufacturing --- selective laser sintering --- fused deposition modeling --- computer-aided wet-spinning --- polyhydroxybutyrate --- tequila bagasse --- hydrolysate detoxification --- activated charcoal --- phenolic compounds --- biomedical application --- cyanobacteria --- feedstocks --- gaseous substrates --- haloarchaea --- high cell density cultivation --- in-line monitoring --- PHA composition --- PHA processing --- polyhydroxyalkanoate --- process engineering --- process simulation --- Pseudomonas sp. --- rheology --- terpolyester --- waste streams

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