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New Insights On The Ecology Of Free Living Heterotrophic Nanoflagellates Based On The Use Of Molecular Biological Approaches
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Book Synopsis New Insights on the Ecology of Free- Living, Heterotrophic Nanoflagellates Based on the Use of Molecular Biological Approaches by :
Download or read book New Insights on the Ecology of Free- Living, Heterotrophic Nanoflagellates Based on the Use of Molecular Biological Approaches written by and published by . This book was released on 1997 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Insights on the Ecology of Free-living Heterotrophic Nanoflagellates Based on the Use of Molecular Biological Approaches by : Ee Lin Lim
Download or read book New Insights on the Ecology of Free-living Heterotrophic Nanoflagellates Based on the Use of Molecular Biological Approaches written by Ee Lin Lim and published by . This book was released on 1997 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoplanktonic protists comprise a diverse assemblage of flagellate species responsible for various trophic processes in marine and freshwater ecosystems. Current methods for identifying small protists do not readily permit identification and enumeration of nanoplanktonic flagellates in cultures or field samples. The aim of this study was to apply molecular biological techniques for identification and enumeration of nanoflagellate taxa in water samples. Restriction fragment length polymorphism (RFLP) analysis of small subunit ribosomal DNA (SSU rONA) amplified by the polymerase chain reaction (PCR) differentiated pure cultures of heterotrophic nanoflagellates according to established taxonomic classification at the generic and species level. In addition, RFLP analysis of amplified SSU rONA permitted discrimination of polymorphic forms among species of flagellates from the genus Paraphysomonas. A fluorescent in situ hybridization method that uses rRNA-targeted oligonucleotide probes for counting protists from cultures and environmental water samples was developed. Preserved cells were intensely labeled with multiple eukaryote-specific oligonucleotide probes end-labeled with biotin and detected by fluorescein (FITC)-avidin. This probe hybridization method gave estimates of nanoplankton abundances that were often more representative of natural abundances than estimates obtained by commonly employed fluorochrome stains. The geographical distribution and seasonal abundance of the cosmopolitan heterotrophic flagellate, Paraphysomonas imperforata was examined in coastal waters using species-specific oligonucleotide probes. P. imperforata was found to occur at extremely low abundances in coastal environments, constituting ≤1% of the TNAN. However, P. imperforata often dominated the nanoplankton (up to 98% of TNAN) when water samples were enriched with bacteria. P. imperforata appears to be an opportunistic species capable of growing rapidly to high abundances when prey are abundant. Water temperature, small differences in the absolute abundance of P. imperforata, and nanoplankton grazers appeared to play a role in determining P. imperforata dominance. Results from this study also suggest that enrichment cultivation or perhaps incubations in general can select for nanoflagellates such as P. imperforata that may not be representative of abundant oceanic species.
Book Synopsis Molecular Ecology of Aquatic Communities by : J.P. Zehr
Download or read book Molecular Ecology of Aquatic Communities written by J.P. Zehr and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a compendium of molecular biology applications for the study of aquatic community ecology. The collection presents the diversity of approaches that have been used, and provides future directions for the study of `molecular ecology' of aquatic communities, from viruses to fish, and in aquatic systems ranging from freshwater streams and lakes to estuaries and oceans. This collection of papers will provide a useful text and resource for upper-level undergraduate and graduate students in ecology, as well as for the researcher and educator.
Book Synopsis The Biology of Free-living Heterotrophic Flagellates by : David J. Patterson
Download or read book The Biology of Free-living Heterotrophic Flagellates written by David J. Patterson and published by Clarendon Press. This book was released on 1991 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides the first cohesive and authoritative account of this important field. The book will be of interest to protozoologists, protistologists, evolutionary biologists, and ecologists dealing with aquatic or soil ecosystems.
Book Synopsis Mantle Upwelling, Melt Generation, and Magma Transport Beneath Mid-ocean Ridges by : Laura Magde
Download or read book Mantle Upwelling, Melt Generation, and Magma Transport Beneath Mid-ocean Ridges written by Laura Magde and published by . This book was released on 1997 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis combines surface observations with laboratory studies and geodynamic modeling to study a variety of aspects of the oceanic crustal-production system. Modeling the crustal and mantle contributions to the axial gravity and topography observed at the East Pacific Rise shows that the retained melt fraction in the mantle is small (
Book Synopsis Annual Report by : Woods Hole Oceanographic Institution
Download or read book Annual Report written by Woods Hole Oceanographic Institution and published by . This book was released on 1994 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Choanoflagellates by : Barry S. C. Leadbeater
Download or read book The Choanoflagellates written by Barry S. C. Leadbeater and published by Cambridge University Press. This book was released on 2015-01-08 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique account of the biology, ecology and evolution of choanoflagellates - the closest, known, living, unicellular relatives of animals.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1999 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1998 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Curricula in the Atmospheric, Oceanic, Hydrologic, and Related Sciences by :
Download or read book Curricula in the Atmospheric, Oceanic, Hydrologic, and Related Sciences written by and published by . This book was released on 1998 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Soil Protists written by Stefan Geisen and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2015-10-13 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protists are by far the most diverse and abundant eukaryotes in soils. Nevertheless, very little is known about individual representatives, the diversity and community composition and ecological functioning of these important organisms. For instance, soil protists are commonly lumped into a single functional unit, i.e. bacterivores. This work tackles missing knowledge gaps on soil protists and common misconceptions using multi-methodological approaches including cultivation, microcosm experiments and environmental sequencing. In a first part, several new species and genera of amoeboid protists are described showing their immense unknown diversity. In the second part, the enormous complexity of soil protists communities is highlighted using cultivation- and sequence-based approaches. In the third part, the present of diverse mycophagous and nematophagous protists are shown in functional studies on cultivated taxa and their environmental importance supported by sequence-based approaches. This work is just a start for a promising future of soil Protistology that is likely to find other important roles of these diverse organisms.
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1999 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology of Phytoplankton by : C. S. Reynolds
Download or read book The Ecology of Phytoplankton written by C. S. Reynolds and published by Cambridge University Press. This book was released on 2006-05-04 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important new book by Colin Reynolds covers the adaptations, physiology and population dynamics of phytoplankton communities. It provides basic information on composition, morphology and physiology of the main phyletic groups represented in marine and freshwater systems and in addition reviews recent advances in community ecology.
Book Synopsis Biogeography of Microscopic Organisms by : Diego Fontaneto
Download or read book Biogeography of Microscopic Organisms written by Diego Fontaneto and published by Cambridge University Press. This book was released on 2011-05-19 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing together the viewpoints of leading experts in taxonomy, ecology and biogeography of different taxa, this book synthesises discussion surrounding the so-called 'everything is everywhere' hypothesis. It addresses the processes that generate spatial patterns of diversity and biogeography in organisms that can potentially be cosmopolitan. The contributors discuss questions such as: are microorganisms (e.g. prokaryotes, protists, algae, yeast and microscopic fungi, plants and animals) really cosmopolitan in their distribution? What are the biological properties that allow such potential distribution? Are there processes that would limit their distribution? Are microorganisms intrinsically different from macroscopic ones? What can microorganisms tell us about the generalities of biogeography? Can they be used for experimental biogeography? Written for graduate students and academic researchers, the book promotes a more complete understanding of the spatial patterns and the general processes in biogeography.
Download or read book F&S Index United States Annual written by and published by . This book was released on 1999 with total page 2010 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Phytoplanktons: Diversity and Ecology by : Ruma Pal
Download or read book An Introduction to Phytoplanktons: Diversity and Ecology written by Ruma Pal and published by Springer. This book was released on 2014-05-16 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book , ‘An Introduction to Phytoplanktons - Diversity and Ecology’ is very useful as it covers wide aspects of phytoplankton study including the general idea about cyanobacteria and algal kingdom. It contains different topics related to very basic idea of phytoplanktons such as, types ,taxonomic description and the key for identification etc. Together with it, very modern aspects of phytoplankton study including different methodologies needed for research students of botany, ecology, limnology and environmental biology are also included. The first chapter is very basic and informative and describes algal and phytoplankton classification, algal pigments, algal bloom and their control, algal toxins, wetlands algae, ecological significance of phytoplanktons etc. A general key for identification of common phytoplankton genera is also included for students who will be able to identify these genera based on the light microscopic characters. In Chapters 2-4, different aspects of phytoplankton research like primary productivity, community pattern analysis and their ecological parameter analysis have been discussed with detailed procedures. Statistical analysis is also discussed in detail. Chapter 5 includes case studies related to review, phytoplankton diversity and dynamics.
Book Synopsis Ecology of Harmful Algae by : E. Granéli
Download or read book Ecology of Harmful Algae written by E. Granéli and published by Springer Science & Business Media. This book was released on 2007-10-04 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harmful algal can cause a variety of deleterious effects, including the poisoning of fish and shellfish, habitat disruptions for many organisms, water discoloration, beach fouling, and even toxic effects for humans. In this volume, international experts provide an in-depth analysis of harmful algae topics and offer a comprehensive synthesis of the latest research in the field.
