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MARC Lista (tabellare)
Algal metabolite influence on bloom sequence in eutrophied freshwater ponds / / by Kathleen Irwin Keating
Algal metabolite influence on bloom sequence in eutrophied freshwater ponds / / by Kathleen Irwin Keating
Autore Keating Kathleen Irwin
Pubbl/distr/stampa Corvallis, Oregon : , : U.S. Environmental Protection Agency, Office of Research and Development, Corvallis Environmental Research Laboratory, , 1976
Descrizione fisica 1 online resource (viii, 148 pages) : illustrations
Collana Ecological research series
Soggetto topico Algae - United States
Diatoms - United States
Eutrophication - United States
Algae
Diatoms
Eutrophication
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910706225703321
Keating Kathleen Irwin  
Corvallis, Oregon : , : U.S. Environmental Protection Agency, Office of Research and Development, Corvallis Environmental Research Laboratory, , 1976
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatom gliding motility / / edited by Stanley A. Cohn, Kalina M. Manoylov, Richard Gordon
Diatom gliding motility / / edited by Stanley A. Cohn, Kalina M. Manoylov, Richard Gordon
Pubbl/distr/stampa Hoboken, New Jersey ; ; Beverly, Massachusetts : , : Scrivener Publishing : , : Wiley, , [2021]
Descrizione fisica 1 online resource (480 pages)
Disciplina 579.85
Soggetto topico Diatoms
Soggetto genere / forma Electronic books.
ISBN 1-119-52657-4
1-119-52648-5
1-119-52660-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910555253803321
Hoboken, New Jersey ; ; Beverly, Massachusetts : , : Scrivener Publishing : , : Wiley, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatom gliding motility / / edited by Stanley A. Cohn, Kalina M. Manoylov, Richard Gordon
Diatom gliding motility / / edited by Stanley A. Cohn, Kalina M. Manoylov, Richard Gordon
Pubbl/distr/stampa Hoboken, New Jersey ; ; Beverly, Massachusetts : , : Scrivener Publishing : , : Wiley, , [2021]
Descrizione fisica 1 online resource (480 pages)
Disciplina 579.85
Soggetto topico Diatoms
ISBN 1-119-52657-4
1-119-52648-5
1-119-52660-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910830907603321
Hoboken, New Jersey ; ; Beverly, Massachusetts : , : Scrivener Publishing : , : Wiley, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatom morphogenesis / / edited by Joseph Seckbach, Vadim V. Annenkov, Richard Gordon
Diatom morphogenesis / / edited by Joseph Seckbach, Vadim V. Annenkov, Richard Gordon
Pubbl/distr/stampa Hoboken, NJ : , : John Wiley & Sons, Inc., , 2022
Descrizione fisica 1 online resource (448 pages)
Disciplina 579.85
Collana Diatoms: Biology and Applications
Soggetto topico Diatoms
Morphogenesis
Soggetto genere / forma Electronic books.
ISBN 1-119-48813-3
1-119-48817-6
1-119-48819-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Half-Title Page -- Series Page -- Title Page -- Copyright Page -- Contents -- Preface -- Part 1: General Issues -- 1 Introduction for a Tutorial on Diatom Morphology -- 1.1 Diatoms in Brief -- 1.2 Tools to Explore Diatom Frustule Morphology -- 1.3 Diatom Frustule 3D Reconstruction -- 1.3.1 Recommended Steps to Understand the Complex Diatom Morphology: A Guide for Beginners -- 1.4 Conclusion -- Acknowledgements -- References -- 2 The Uncanny Symmetry of Some Diatoms and Not of Others: A Multi-Scale Morphological Characteristic and a Puzzle for Morphogenesis* -- 2.1 Introduction -- 2.1.1 Recognition and Symmetry -- 2.1.2 Symmetry and Growth -- 2.1.3 Diatom Pattern Formation, Growth, and Symmetry -- 2.1.4 Diatoms and Uncanny Symmetry -- 2.1.5 Purpose of This Study -- 2.2 Methods -- 2.2.1 Centric Diatom Images Used for Analysis -- 2.2.2 Centric Diatoms, Morphology, and Valve Formation -- 2.2.3 Image Entropy and Symmetry Measurement -- 2.2.4 Image Preparation for Measurement -- 2.2.5 Image Tilt and Slant Measurement Correction for Entropy Values -- 2.2.6 Symmetry Analysis -- 2.2.7 Entropy, Symmetry, and Stability -- 2.2.8 Randomness and Instability -- 2.3 Results -- 2.3.1 Symmetry Analysis -- 2.3.2 Valve Formation-Stability and Instability Analyses -- 2.4 Discussion -- 2.4.1 Symmetry and Scale in Diatoms -- 2.4.2 Valve Formation and Stability -- 2.4.3 Symmetry, Stability and Diatom Morphogenesis -- 2.4.4 Future Research-Symmetry, Stability and Directionality in Diatom Morphogenesis -- References -- 3 On the Size Sequence of Diatoms in Clonal Chains -- 3.1 Introduction -- 3.2 Mathematical Analysis of t he Size Sequence -- 3.2.1 Alternative Method for Calculating the Size Sequence -- 3.2.2 Self-Similarity and Fractal Structure -- 3.2.3 Matching Fragments to a Generation Based on Known SizeIndices of the Fragment.
3.2.4 Sequence of the Differences of the Size Indices -- 3.2.5 Matching Fragments to a Generation Based on Unknown SizeIndices of the Fragment -- 3.2.6 Synchronicity of Cell Divisions -- 3.3 Observations -- 3.3.1 Challenges in Verifying the Sequence of Sizes -- 3.3.2 Materials and Methods -- 3.3.3 Investigation of the Size Sequence of a Eunotia sp. -- 3.3.4 Synchronicity -- 3.4 Conclusions -- Acknowledgements -- Appendix 3A L-System for the Generation of the Sequence of Differences in Size Indices of Adjacent Diatoms -- Appendix 3B Probability Consideration for Loss of Synchronicity -- References -- 4 Valve Morphogenesis in Amphitetrasantediluviana Ehrenberg -- 4.1 Introduction -- 4.2 Material and Methods -- 4.3 Observations -- 4.3.1 Amphitetras antediluviana Mature Valves -- 4.3.2 Amphitetras antediluviana Forming Valves -- 4.3.3 Amphitetras antediluviana Girdle Band Formation -- 4.4 Conclusion -- Acknowledgments -- References -- Part 2: Simulation -- 5 Geometric Models of Concentric and Spiral Areola Patterns of Centric Diatoms -- 5.1 Introduction -- 5.2 Set of Common Rules Used in the Models -- 5.3 Concentric Pattern of Areolae -- 5.4 Spiral Patterns of Areolae -- 5.4.1 Unidirectional Spiral Pattern -- 5.4.2 Bidirectional Spiral Pattern -- 5.4.3 Common Genesis of Unidirectional and Bidirectional Spiral Patterns -- 5.5 Conversion of an Areolae-Based Model Into a Frame-Based Model -- 5.6 Conclusion -- Acknowledgements -- References -- 6 Diatom Pore Arrays' Periodicities and Symmetries in the Euclidean Plane: Nature Between Perfection and Imperfection -- 6.1 Introduction -- 6.2 Materials and Methods -- 6.2.1 Micrograph Segmentation -- 6.2.2 Two-Dimensional Fast Fourier Analysis and Autocorrelation Function Analysis -- 6.2.3 Lattice Measurements and Recognition -- 6.2.4 Accuracy of 2D ACF-Based Calculations.
6.2.5 The Perfection of the Unit Cell Parameters Between Different Parts (Groups of Pore Arrays) of the Same Valve and the Same Micrograph -- 6.3 Results and Discussion -- 6.3.1 Toward Standardization of the Methodology for the Recognition of 2D Periodicities of Pore Arrays in Diatom Micrographs -- 6.3.1.1 Using Two-Dimensional Fast Fourier Transform Analysis -- 6.3.1.2 Using Two-Dimensional Autocorrelation Function -- 6.3.1.3 The Accuracy of Lattice Parameters' Measurements Using the Proposed 2D ACF Analysis -- 6.3.2 Exploring the Periodicity in Our Studied Micrographs and the Possible Presence of Different Types of 2D Lattices in Diatoms -- 6.3.2.1 Irregular Pore Scattering (Non-Periodic Pores) -- 6.3.2.2 Linear Periodicity of Pores in Striae (1D Periodicity) -- 6.3.2.3 The Different 2D Lattices in Diatom Pore Arrays -- 6.3.3 How Perfectly Can Diatoms Build Their 2D Pore Arrays? -- 6.3.3.1 Variation of the 2D Lattice Within the Connected Pore Array of the Valve -- 6.3.3.2 Comparison of 2D Lattice Parameters and Degree of Perfection of Distinct Pore Array Groups in the Same Micrograph and Va -- 6.3.3.3 The Perfection of 2D Lattices of Diatom Pore Arrays Compared to Perfect (Non-Oblique) 2D Bravais Lattices -- 6.3.4 Planar Symmetry Groups to Describe the Whole Diatom Valve Symmetries and Additionally Describe the Complicated 2D Periodic Pore Arrays' Symmetries -- 6.3.4.1 Rosette Groups -- 6.3.4.2 Frieze Groups -- 6.3.4.3 Wallpaper Groups -- 6.4 Conclusion -- Acknowledgment -- Glossary -- References -- 7 Quantified Ensemble 3D Surface Features Modeled as a Window on Centric Diatom Valve Morphogenesis -- 7.1 Introduction -- 7.1.1 From 3D Surface Morphology to Morphogenesis -- 7.1.2 Geometric Basis of 3D Surface Models and Analysis -- 7.1.3 Differential Geometry of 3D Surface -- 7.1.4 3D Surface Feature Geometry and Morphological Attributes.
7.1.5 Centric Diatom Taxa Used as Exemplars in 3D Surface Models for Morphogenetic Analysis -- 7.1.6 Morphogenetic Descriptors of Centric Diatoms in Valve Formation as Sequential Change in 3D Surface Morphology -- 7.1.7 Purposes of This Study -- 7.2 Methods -- 7.2.1 Measurement of Ensemble Surface Features and 3D Surface Morphology: Derivation and Solution of the Jacobian, Hessian, Laplacian, and Christoffel Symbols -- 7.2.1.1 The Jacobian of 3D Surface Morphology -- 7.2.1.2 Monge Patch -- 7.2.1.3 First and Second Fundamental Forms and Surface Characterization of the Monge Patch -- 7.2.1.4 3D Surface Characterization via Gauss and Weingarten Maps and the Fundamental Forms -- 7.2.1.5 Peaks, Valleys, and Saddles of Surface Morphology and the Hessian -- 7.2.1.6 Smoothness as a Characterization of Surface Morphology and the Laplacian -- 7.2.1.7 Point Connections of 3D Surface Morphology and Christoffel Symbols -- 7.2.1.8 Protocol for Using Centric Diatom 3D Surface Models and Their Ensemble Surface Features in Valve Formation Analysis -- 7.3 Results -- 7.4 Discussion -- 7.4.1 Ensemble Surface Features and Physical Characteristics of Valve Morphogenesis -- 7.4.2 Factors Affecting Valve Formation -- 7.4.3 Diatom Growth Patterns-Buckling and Wave Fronts -- 7.4.4 Valve Formation, Ensemble Surface Features, and Self-Similarity -- 7.4.5 Diatom Morphogenesis: Cytoplasmic Inheritance and Phenotypic Plasticity -- 7.4.6 Phenotypic Variation and Ensemble Surface Features: Epistasis and Canalization -- 7.5 Conclusions -- Acknowledgment -- References -- 8 Buckling: A Geometric and Biophysical Multiscale Feature of Centric Diatom Valve Morphogenesis -- 8.1 Introduction -- 8.2 Purpose of Study -- 8.3 Background: Multiscale Diatom Morphogenesis -- 8.3.1 Valve Morphogenesis-Schemata of Schmid and Volcani and of Hildebrand, Lerch, and Shrestha.
8.3.2 Valve Formation-An Overview at the Microscale -- 8.3.3 Valve Formation-An Overview at the Mesoand Microscale -- 8.3.4 Valve Formation-An Overview at the Mesoand Nanoscale -- 8.4 Biophysics of Diatom Valve Formation and Buckling -- 8.4.1 Buckling as a Multiscale Measure of Valve Formation -- 8.4.2 Valve Formation-Cytoplasmic Features and Buckling -- 8.4.3 Buckling: Microtubule Filaments and Bundles -- 8.4.4 Buckling: Actin Filament Ring -- 8.5 Geometrical and Biophysical Aspects of Buckling and Valve Formation -- 8.5.1 Buckling: Geometry of Valve Formation as a Multiscale Wave Front -- 8.5.2 Buckling: Valve Formation and Hamiltonian Biophysics -- 8.5.3 Buckling: Valve Formation and Deformation Gradients -- 8.5.4 Buckling: Multiscale Measurement With Respect to Valve Formation -- 8.5.5 Buckling: Krylov Methods and Association of Valve Surface Buckling With Microtubule and Actin Buckling -- 8.6 Methods -- 8.6.1 Constructing and Analyzing 3D Valve Surface and 2D Microtubule and Actin Filament Models -- 8.6.2 Krylov Methods: Associating Valve Surface With Microtubule and Actin Filament Buckling -- 8.7 Results -- 8.8 Conclusion -- References -- 9. Are Mantle Profiles of Circular Centric Diatoms a Measure of Buckling Forces During Valve Morphogenesis? -- 9.1 Introduction -- 9.2 Methods -- 9.2.1 Background: Circular Centric 2D Profiles and 3D Surfaces of Revolution -- 9.3 Results -- 9.3.1 Approximate Constant Profile Length Representing Approximate Same Sized Valves -- 9.3.2 Change in Profile Length Representing Size Reduction During Valve Morphogenesis -- 9.3.3 Are Profiles Measures of Buckling Forces During Valve Morphogenesis? -- 9.4 Discussion -- 9.4.1 Laminated Structures and Mantle Buckling Forces Affecting the Valve Profile -- 9.5 Conclusion -- Acknowledgement -- References -- Part 3: Physiology, Biochemistry and Applications.
10 The Effect of the Silica Cell Wall on Diatom Transport and Metabolism*.
Record Nr. UNINA-9910555011303321
Hoboken, NJ : , : John Wiley & Sons, Inc., , 2022
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatom morphogenesis / / edited by Joseph Seckbach, Vadim V. Annenkov, Richard Gordon
Diatom morphogenesis / / edited by Joseph Seckbach, Vadim V. Annenkov, Richard Gordon
Pubbl/distr/stampa Hoboken, NJ : , : John Wiley & Sons, Inc., , 2022
Descrizione fisica 1 online resource (448 pages)
Disciplina 579.85
Collana Diatoms: Biology and Applications
Soggetto topico Diatoms
Morphogenesis
ISBN 1-119-48813-3
1-119-48817-6
1-119-48819-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Half-Title Page -- Series Page -- Title Page -- Copyright Page -- Contents -- Preface -- Part 1: General Issues -- 1 Introduction for a Tutorial on Diatom Morphology -- 1.1 Diatoms in Brief -- 1.2 Tools to Explore Diatom Frustule Morphology -- 1.3 Diatom Frustule 3D Reconstruction -- 1.3.1 Recommended Steps to Understand the Complex Diatom Morphology: A Guide for Beginners -- 1.4 Conclusion -- Acknowledgements -- References -- 2 The Uncanny Symmetry of Some Diatoms and Not of Others: A Multi-Scale Morphological Characteristic and a Puzzle for Morphogenesis* -- 2.1 Introduction -- 2.1.1 Recognition and Symmetry -- 2.1.2 Symmetry and Growth -- 2.1.3 Diatom Pattern Formation, Growth, and Symmetry -- 2.1.4 Diatoms and Uncanny Symmetry -- 2.1.5 Purpose of This Study -- 2.2 Methods -- 2.2.1 Centric Diatom Images Used for Analysis -- 2.2.2 Centric Diatoms, Morphology, and Valve Formation -- 2.2.3 Image Entropy and Symmetry Measurement -- 2.2.4 Image Preparation for Measurement -- 2.2.5 Image Tilt and Slant Measurement Correction for Entropy Values -- 2.2.6 Symmetry Analysis -- 2.2.7 Entropy, Symmetry, and Stability -- 2.2.8 Randomness and Instability -- 2.3 Results -- 2.3.1 Symmetry Analysis -- 2.3.2 Valve Formation-Stability and Instability Analyses -- 2.4 Discussion -- 2.4.1 Symmetry and Scale in Diatoms -- 2.4.2 Valve Formation and Stability -- 2.4.3 Symmetry, Stability and Diatom Morphogenesis -- 2.4.4 Future Research-Symmetry, Stability and Directionality in Diatom Morphogenesis -- References -- 3 On the Size Sequence of Diatoms in Clonal Chains -- 3.1 Introduction -- 3.2 Mathematical Analysis of t he Size Sequence -- 3.2.1 Alternative Method for Calculating the Size Sequence -- 3.2.2 Self-Similarity and Fractal Structure -- 3.2.3 Matching Fragments to a Generation Based on Known SizeIndices of the Fragment.
3.2.4 Sequence of the Differences of the Size Indices -- 3.2.5 Matching Fragments to a Generation Based on Unknown SizeIndices of the Fragment -- 3.2.6 Synchronicity of Cell Divisions -- 3.3 Observations -- 3.3.1 Challenges in Verifying the Sequence of Sizes -- 3.3.2 Materials and Methods -- 3.3.3 Investigation of the Size Sequence of a Eunotia sp. -- 3.3.4 Synchronicity -- 3.4 Conclusions -- Acknowledgements -- Appendix 3A L-System for the Generation of the Sequence of Differences in Size Indices of Adjacent Diatoms -- Appendix 3B Probability Consideration for Loss of Synchronicity -- References -- 4 Valve Morphogenesis in Amphitetrasantediluviana Ehrenberg -- 4.1 Introduction -- 4.2 Material and Methods -- 4.3 Observations -- 4.3.1 Amphitetras antediluviana Mature Valves -- 4.3.2 Amphitetras antediluviana Forming Valves -- 4.3.3 Amphitetras antediluviana Girdle Band Formation -- 4.4 Conclusion -- Acknowledgments -- References -- Part 2: Simulation -- 5 Geometric Models of Concentric and Spiral Areola Patterns of Centric Diatoms -- 5.1 Introduction -- 5.2 Set of Common Rules Used in the Models -- 5.3 Concentric Pattern of Areolae -- 5.4 Spiral Patterns of Areolae -- 5.4.1 Unidirectional Spiral Pattern -- 5.4.2 Bidirectional Spiral Pattern -- 5.4.3 Common Genesis of Unidirectional and Bidirectional Spiral Patterns -- 5.5 Conversion of an Areolae-Based Model Into a Frame-Based Model -- 5.6 Conclusion -- Acknowledgements -- References -- 6 Diatom Pore Arrays' Periodicities and Symmetries in the Euclidean Plane: Nature Between Perfection and Imperfection -- 6.1 Introduction -- 6.2 Materials and Methods -- 6.2.1 Micrograph Segmentation -- 6.2.2 Two-Dimensional Fast Fourier Analysis and Autocorrelation Function Analysis -- 6.2.3 Lattice Measurements and Recognition -- 6.2.4 Accuracy of 2D ACF-Based Calculations.
6.2.5 The Perfection of the Unit Cell Parameters Between Different Parts (Groups of Pore Arrays) of the Same Valve and the Same Micrograph -- 6.3 Results and Discussion -- 6.3.1 Toward Standardization of the Methodology for the Recognition of 2D Periodicities of Pore Arrays in Diatom Micrographs -- 6.3.1.1 Using Two-Dimensional Fast Fourier Transform Analysis -- 6.3.1.2 Using Two-Dimensional Autocorrelation Function -- 6.3.1.3 The Accuracy of Lattice Parameters' Measurements Using the Proposed 2D ACF Analysis -- 6.3.2 Exploring the Periodicity in Our Studied Micrographs and the Possible Presence of Different Types of 2D Lattices in Diatoms -- 6.3.2.1 Irregular Pore Scattering (Non-Periodic Pores) -- 6.3.2.2 Linear Periodicity of Pores in Striae (1D Periodicity) -- 6.3.2.3 The Different 2D Lattices in Diatom Pore Arrays -- 6.3.3 How Perfectly Can Diatoms Build Their 2D Pore Arrays? -- 6.3.3.1 Variation of the 2D Lattice Within the Connected Pore Array of the Valve -- 6.3.3.2 Comparison of 2D Lattice Parameters and Degree of Perfection of Distinct Pore Array Groups in the Same Micrograph and Va -- 6.3.3.3 The Perfection of 2D Lattices of Diatom Pore Arrays Compared to Perfect (Non-Oblique) 2D Bravais Lattices -- 6.3.4 Planar Symmetry Groups to Describe the Whole Diatom Valve Symmetries and Additionally Describe the Complicated 2D Periodic Pore Arrays' Symmetries -- 6.3.4.1 Rosette Groups -- 6.3.4.2 Frieze Groups -- 6.3.4.3 Wallpaper Groups -- 6.4 Conclusion -- Acknowledgment -- Glossary -- References -- 7 Quantified Ensemble 3D Surface Features Modeled as a Window on Centric Diatom Valve Morphogenesis -- 7.1 Introduction -- 7.1.1 From 3D Surface Morphology to Morphogenesis -- 7.1.2 Geometric Basis of 3D Surface Models and Analysis -- 7.1.3 Differential Geometry of 3D Surface -- 7.1.4 3D Surface Feature Geometry and Morphological Attributes.
7.1.5 Centric Diatom Taxa Used as Exemplars in 3D Surface Models for Morphogenetic Analysis -- 7.1.6 Morphogenetic Descriptors of Centric Diatoms in Valve Formation as Sequential Change in 3D Surface Morphology -- 7.1.7 Purposes of This Study -- 7.2 Methods -- 7.2.1 Measurement of Ensemble Surface Features and 3D Surface Morphology: Derivation and Solution of the Jacobian, Hessian, Laplacian, and Christoffel Symbols -- 7.2.1.1 The Jacobian of 3D Surface Morphology -- 7.2.1.2 Monge Patch -- 7.2.1.3 First and Second Fundamental Forms and Surface Characterization of the Monge Patch -- 7.2.1.4 3D Surface Characterization via Gauss and Weingarten Maps and the Fundamental Forms -- 7.2.1.5 Peaks, Valleys, and Saddles of Surface Morphology and the Hessian -- 7.2.1.6 Smoothness as a Characterization of Surface Morphology and the Laplacian -- 7.2.1.7 Point Connections of 3D Surface Morphology and Christoffel Symbols -- 7.2.1.8 Protocol for Using Centric Diatom 3D Surface Models and Their Ensemble Surface Features in Valve Formation Analysis -- 7.3 Results -- 7.4 Discussion -- 7.4.1 Ensemble Surface Features and Physical Characteristics of Valve Morphogenesis -- 7.4.2 Factors Affecting Valve Formation -- 7.4.3 Diatom Growth Patterns-Buckling and Wave Fronts -- 7.4.4 Valve Formation, Ensemble Surface Features, and Self-Similarity -- 7.4.5 Diatom Morphogenesis: Cytoplasmic Inheritance and Phenotypic Plasticity -- 7.4.6 Phenotypic Variation and Ensemble Surface Features: Epistasis and Canalization -- 7.5 Conclusions -- Acknowledgment -- References -- 8 Buckling: A Geometric and Biophysical Multiscale Feature of Centric Diatom Valve Morphogenesis -- 8.1 Introduction -- 8.2 Purpose of Study -- 8.3 Background: Multiscale Diatom Morphogenesis -- 8.3.1 Valve Morphogenesis-Schemata of Schmid and Volcani and of Hildebrand, Lerch, and Shrestha.
8.3.2 Valve Formation-An Overview at the Microscale -- 8.3.3 Valve Formation-An Overview at the Mesoand Microscale -- 8.3.4 Valve Formation-An Overview at the Mesoand Nanoscale -- 8.4 Biophysics of Diatom Valve Formation and Buckling -- 8.4.1 Buckling as a Multiscale Measure of Valve Formation -- 8.4.2 Valve Formation-Cytoplasmic Features and Buckling -- 8.4.3 Buckling: Microtubule Filaments and Bundles -- 8.4.4 Buckling: Actin Filament Ring -- 8.5 Geometrical and Biophysical Aspects of Buckling and Valve Formation -- 8.5.1 Buckling: Geometry of Valve Formation as a Multiscale Wave Front -- 8.5.2 Buckling: Valve Formation and Hamiltonian Biophysics -- 8.5.3 Buckling: Valve Formation and Deformation Gradients -- 8.5.4 Buckling: Multiscale Measurement With Respect to Valve Formation -- 8.5.5 Buckling: Krylov Methods and Association of Valve Surface Buckling With Microtubule and Actin Buckling -- 8.6 Methods -- 8.6.1 Constructing and Analyzing 3D Valve Surface and 2D Microtubule and Actin Filament Models -- 8.6.2 Krylov Methods: Associating Valve Surface With Microtubule and Actin Filament Buckling -- 8.7 Results -- 8.8 Conclusion -- References -- 9. Are Mantle Profiles of Circular Centric Diatoms a Measure of Buckling Forces During Valve Morphogenesis? -- 9.1 Introduction -- 9.2 Methods -- 9.2.1 Background: Circular Centric 2D Profiles and 3D Surfaces of Revolution -- 9.3 Results -- 9.3.1 Approximate Constant Profile Length Representing Approximate Same Sized Valves -- 9.3.2 Change in Profile Length Representing Size Reduction During Valve Morphogenesis -- 9.3.3 Are Profiles Measures of Buckling Forces During Valve Morphogenesis? -- 9.4 Discussion -- 9.4.1 Laminated Structures and Mantle Buckling Forces Affecting the Valve Profile -- 9.5 Conclusion -- Acknowledgement -- References -- Part 3: Physiology, Biochemistry and Applications.
10 The Effect of the Silica Cell Wall on Diatom Transport and Metabolism*.
Record Nr. UNINA-9910830739203321
Hoboken, NJ : , : John Wiley & Sons, Inc., , 2022
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatom Photosynthesis : From Primary Production to High-Value Molecules
Diatom Photosynthesis : From Primary Production to High-Value Molecules
Autore Goessling Johannes Wilhelm
Edizione [1st ed.]
Pubbl/distr/stampa Newark : , : John Wiley & Sons, Incorporated, , 2024
Descrizione fisica 1 online resource (652 pages)
Disciplina 579.85
Altri autori (Persone) SerodioJoão
LavaudJohann
Collana Diatoms: Biology and Applications Series
Soggetto topico Diatoms
Algae
ISBN 9781119842156
1119842158
9781119842149
111984214X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Series Page -- Title Page -- Copyright Page -- Dedication Page -- Contents -- Preface -- Acknowledgements -- Part 1: Evolution and Genetics -- Chapter 1 Comparing Diatom Photosynthesis with the Green Lineage: Electron Transport, Carbon Fixation and Metabolism -- Abbreviations -- 1.1 Introduction -- 1.2 Conservation and Diversity within Oxygenic Photosynthesis -- 1.3 Consequences of the Secondary Endosymbiosis and Thylakoid Ultrastructure -- 1.4 Different Modes of Photosynthetic Electron Flows -- 1.4.1 Cyclic Electron Flow Around PSI -- 1.4.2 Water-to-Water Cycles -- 1.4.3 Other AEFs -- 1.5 Regulation of CO2 Concentration, CO2 Fixation and Carbon Metabolism -- 1.5.1 Carbon Fixation, Rubisco and Calvin-Benson-Bassham Cycle -- 1.5.2 Carbon Concentration Mechanisms and Pyrenoid -- 1.5.3 Other Metabolic Pathways in the Plastid -- 1.6 General Response of Photosynthesis to Environmental Stresses -- 1.7 Conclusion -- Acknowledgments -- References -- Chapter 2 Genetic Regulation of Diatom Photosynthesis: Understanding and Exploiting Genetic Diversity -- Abbreviations -- 2.1 Regulation of Photosynthesis -- 2.2 Diatom Genomes -- 2.3 Photosynthetic Components in Diatom Genomes -- 2.4 Responses to Changes in Light Intensity -- 2.5 Circadian Rhythmicity -- 2.6 Responses to Changes in Light Quality -- 2.7 Retrograde Signaling -- 2.8 Gene Editing for Functional Characterization and Commercial Applications -- 2.9 Conclusion -- Acknowledgments -- References -- Chapter 3 Evolution of Plastids and Mitochondria in Diatoms -- 3.1 Introduction -- 3.2 Origin and Evolution of Diatom Plastids -- 3.2.1 Plastid Endosymbioses -- 3.2.2 Origin of Plastids in Diatoms -- 3.2.3 Origin of Mitochondria in Diatoms -- 3.3 Derived States of Diatom Plastids -- 3.3.1 Diatoms as Endosymbionts in Dinoflagellates -- 3.3.2 Reductive Plastid Evolution.
3.4 Consequences of Complex Plastid Acquisition -- 3.4.1 Protein Transport to Plastids and Mitochondria in Diatoms -- 3.4.2 Mosaic Organellar Proteomes of Diatoms -- 3.4.3 Novel Intracellular Distributions of Metabolic Pathways in Diatoms -- 3.5 Conclusions and Outlook -- Acknowledgments -- References -- Chapter 4 Structure and Dynamics of the Diatom Chloroplast -- Abbreviation -- 4.1 Evolution and Structure of Diatom Chloroplasts -- 4.2 Architecture of the Diatom Thylakoid Membrane -- 4.2.1 Role of Lipids in the Architecture of Diatom Thylakoids -- 4.2.2 Role of Photosynthetic Proteins in Shaping the Membrane Structure of Diatoms -- 4.2.2.1 Fucoxanthin Chlorophyll Proteins - Structure and Composition -- 4.2.2.2 PSI and PSII Structures -- 4.2.3 Domain Model of the Diatom Thylakoid Membrane -- 4.3 Molecular Dynamics and Structure of the Diatom Thylakoid Membrane Under Different Light Conditions -- 4.4 Molecular Dynamics and Structure of the Diatom Thylakoid Membrane Under Different Thermal Conditions -- 4.5 Conclusion -- References -- Part 2: Interaction with Light -- Chapter 5 Pigments in Diatoms: Light Absorption and Beyond -- 5.1 Environmental Factors Affect Pigments in Diatoms -- 5.2 Diatoms are Well Adapted to Changing Light Conditions -- 5.3 Photosynthetic Pigments in Diatoms are Chlorophylls and Carotenoids -- 5.4 The Main Pigment in Diatoms - Chlorophyll a Plays a Central Role in Photochemical Energy Conversion -- 5.5 Chlorophyll c Participates in Photosynthesis as an Accessory Pigment -- 5.6 Fucoxanthin-Binding Proteins in Diatoms Play a Special Role -- 5.7 Regulation of Protochlorophyllide Oxidoreductases was Examined in Diatoms but Further Steps of Chlorophyll c Biosynthesis Remain Unclear -- 5.8 Fucoxanthin is the Main Light-Harvesting Carotenoid in Diatom.
5.9 High Bioavailability and Bioactivity of Fucoxanthin Makes It a Desirable Compound Obtained by Extraction -- 5.10 Beneficial Effects of Fucoxanthin are Versatile -- 5.11 Diadinoxanthin and Diatoxanthin are Involved in Cyclic Changes, Ensuring Photoprotection -- 5.12 Diatoms Also Possess the Violaxanthin Cycle, but It is not the First Line of Defense Against Excessive Light Energy -- 5.13 Mechanisms of NPQ in Diatoms are Complex and Differ Depending on Species -- 5.14 Many Carotenogenic Enzymes and Genes in Diatoms Have not yet Been Revealed -- 5.15 Analysis and Production of Diatom Pigments are Challenging Tasks with Promising Prospects -- 5.16 Conclusions -- References -- Chapter 6 Function, Structure and Organization of Light-Harvesting Proteins in Diatoms -- Abbreviations -- 6.1 Introduction -- 6.2 The FCP Proteins -- 6.3 Structure, Pigmentation and Energy Transfer -- 6.4 Macroorganization of FCP-PSI/II Supercomplexes -- 6.5 Role of the Chloroplast Signal Recognition Particle Pathway (CpSRP) -- 6.6 Balancing Light Absorption and Photoprotection -- 6.6.1 Non-Photochemical Quenching (NPQ) -- 6.6.2 Flexibility in Photoprotective Response: Possible Consequence of Light Niche Occupancy -- 6.7 Conclusion -- Acknowledgment -- References -- Chapter 7 Sensing Light Underwater: An Update on Photoreceptors in Diatoms -- Abbreviations -- 7.1 Introduction -- 7.2 Rhodopsins -- 7.3 Phytochromes -- 7.4 Cryptochrome/Photolyase Family -- 7.5 Aureochromes -- 7.6 Conclusion -- Acknowledgments -- References -- Chapter 8 Non-Invasive Biophysical Techniques to Monitor the Structural Plasticity of the Photosynthetic Machinery of Live Diatom Cells -- Abbreviations -- 8.1 Introduction -- 8.2 Circular Dichroism Spectroscopy -- 8.2.1 Intrinsic CD -- 8.2.2 Excitonic CD -- 8.2.3 Psi-Type CD -- 8.2.4 Reorganizations of the Pigment System as Reflected by .CD.
8.3 Small-Angle Neutron Scattering (SANS) -- 8.4 Electrochromic Shift Absorbance Transients -- 8.5 Conclusions and Outlook -- Acknowledgments -- References -- Chapter 9 Hypotheses on Frustule Functionalities: From Single Species Analysis to Systematic Approaches -- 9.1 Introduction -- 9.2 Frustule Fundamentals: Chemistry, Formation, Reproduction -- 9.2.1 Chemical Composition -- 9.2.2 Biosilicification and Frustule Formation -- 9.2.3 Life Cycle and Aging -- 9.3 Examples of Unique Frustule Systems -- 9.3.1 Raphe Systems and Locomotion -- 9.3.2 Other Frustule Structural Features Linked to Secretion -- 9.4 Physicochemical Properties -- 9.4.1 Desiccation in Early Diatoms -- 9.4.2 Nutrient Diffusion and CO2 Uptake -- 9.5 Physical Properties -- 9.5.1 A Protective Armor -- 9.5.2 Pore Filtering of Harmful Agents -- 9.5.3 Ballast and Sinking -- 9.6 Frustule as an Optical System -- 9.6.1 Refractive Index of the Frustule -- 9.6.2 UV Shielding and Wavelength Conversion -- 9.6.3 Optical Properties of Valves -- 9.6.3.1 Lensing and Diffraction Based on Valve Asymmetry -- 9.6.3.2 Waveguiding, Evanescent Field Coupling, and Chloroplast Movement -- 9.6.4 Photonic Crystal Properties in Girdle Bands -- 9.6.5 Taxonomic and Ultrastructural Caveats -- 9.7 Conclusions and Outlook -- Acknowledgments -- References -- Part 3: Primary Production and Ecology -- Chapter 10 Extracellular Polymeric Substance Production by Benthic Pennate Diatoms -- 10.1 Introduction -- 10.2 Types of EPS Produced by Benthic Diatoms -- 10.2.1 Solubility and Molecular Size Characterization of Different EPS -- 10.2.2 Chemical Composition and Structures of EPS -- 10.3 Functions of EPS in Benthic Diatoms in Relation to Chemical Composition -- 10.4 Metabolic Pathways of EPS Production and Regulation in Diatoms -- 10.5 Interactions Between Diatoms, EPS and Bacteria -- 10.6 Future Directions.
Acknowledgments -- References -- Chapter 11 Diatom Primary Production in Headwater Streams: A Limited but Essential Process -- 11.1 Ecological Relevance of Headwater Stream Ecosystems -- 11.2 Diatom Primary Production is Highly Constrained in Headwater Streams -- 11.2.1 Role of Abiotic Conditions -- 11.2.2 Effects of Allochthonous Organic Matter Input and Its Decomposers on Diatoms -- 11.3 Diatoms as High-Quality Resources for Other Organisms -- 11.3.1 Diatoms Play an Important Role for Microbial Decomposers -- 11.3.2 Role of Diatoms for Higher Trophic Levels -- 11.4 Anthropogenic Impacts on Diatom Contributions to Headwater Stream Functioning -- 11.5 Headwater Diatom Community Functioning is Supported by Unique Biodiversity -- 11.6 Conclusion and Perspectives -- Acknowledgment -- References -- Chapter 12 Present and Future Perspectives for Bioassessment of Running Water Using Diatoms -- 12.1 Introduction -- 12.2 Potential of Diatoms as Indicators in Running Water Quality Assessment -- 12.3 Water Quality Assessment Methods -- 12.3.1 Standardizing Diatom Metrics for Consistent and Unified Application in the Bioassessment of Running Waters -- 12.3.2 Predictive Models -- 12.3.3 Morphology-Based Methods -- 12.4 Molecular-Based Methods -- 12.4.1 Environmental DNA (eDNA) and Metabarcoding -- 12.4.2 Metabarcoding Workflow and Main Biases -- 12.5 Transitioning from Morphology-Based to eDNA-Based Biomonitoring: Available Options -- 12.5.1 Taxonomy Assignment Methods -- 12.5.2 Taxonomy-Free Approaches -- 12.5.3 Enhancing Bioassessment through the Integration of Molecular Data -- 12.6 Conclusions -- References -- Chapter 13 Photosynthetic and Growth Responses of Planktonic Diatoms to Ocean Global Changes -- 13.1 Introduction -- 13.2 The Effects of Elevated CO2 and Ocean Acidification -- 13.3 The Effects of Ocean Warming -- 13.4 The Effects of UVR.
13.5 Combined Effects of Ocean Acidification and Warming.
Record Nr. UNINA-9911020153903321
Goessling Johannes Wilhelm  
Newark : , : John Wiley & Sons, Incorporated, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Diatom research [[electronic resource]]
Diatom research [[electronic resource]]
Pubbl/distr/stampa [Bristol, England, : Biopress Limited], 1986-
Disciplina 589.481
Soggetto topico Diatoms
Diatoms - Research
ISSN 2159-8347
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Record Nr. UNISA-996208065103316
[Bristol, England, : Biopress Limited], 1986-
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Diatom research
Diatom research
Pubbl/distr/stampa [Bristol, England, : Biopress Limited], 1986-
Disciplina 589.481
Soggetto topico Diatoms
Diatoms - Research
ISSN 2159-8347
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Record Nr. UNINA-9910231839003321
[Bristol, England, : Biopress Limited], 1986-
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Diatoms : fundamentals and applications / / edited by Joseph Seckbach and Richard Gordon
Diatoms : fundamentals and applications / / edited by Joseph Seckbach and Richard Gordon
Pubbl/distr/stampa Beverly, Massachusetts, USA : , : Scrivener Publishing : , : Wiley, , 2019
Descrizione fisica 1 online resource (825 pages)
Disciplina 579.85
Collana THEi Wiley ebooks.
Soggetto topico Diatoms
ISBN 1-119-37073-6
1-119-37074-4
1-119-37072-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910555185503321
Beverly, Massachusetts, USA : , : Scrivener Publishing : , : Wiley, , 2019
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Diatoms : fundamentals and applications / / edited by Joseph Seckbach and Richard Gordon
Diatoms : fundamentals and applications / / edited by Joseph Seckbach and Richard Gordon
Pubbl/distr/stampa Beverly, Massachusetts, USA : , : Scrivener Publishing : , : Wiley, , 2019
Descrizione fisica 1 online resource (825 pages)
Disciplina 579.85
Collana THEi Wiley ebooks.
Soggetto topico Diatoms
ISBN 1-119-37073-6
1-119-37074-4
1-119-37072-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910807612903321
Beverly, Massachusetts, USA : , : Scrivener Publishing : , : Wiley, , 2019
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui