Gametogenesis
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Gametogenesis
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Author :
language : en
Publisher: Academic Press
Release Date : 2012-12-31
Gametogenesis written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-31 with Science categories.
This new volume of Current Topics in Developmental Biology covers the area of gametogenesis, with contributions from an international board of authors. The chapters provide a comprehensive set of reviews covering such topics as germline stem cells, signaling modalities during oogenesis in mammals, and genomic imprinting as a parental effect established in mammalian germ cells. Covers the area of gametogenesis International board of authors Provides a comprehensive set of reviews covering such topics as germline stem cells, signaling modalities during oogenesis in mammals, and genomic imprinting as a parental effect established in mammalian germ cells
Gametogenesis Early Embryo Development And Stem Cell Derivation
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Author : Tiziana A.L. Brevini
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-09-30
Gametogenesis Early Embryo Development And Stem Cell Derivation written by Tiziana A.L. Brevini and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-30 with Health & Fitness categories.
This Brief offers a concise, handy overview of the main concepts related to Embryology, revisited through the novel concepts that are applied daily in stem cell research and cell therapy oriented investigations. It is based on three main areas: -The process involved in female gamete differentiation and maturation. The main aspects related to cell biology will be covered and an overview of the epigenetic regulation of gametogenesis will be presented. -Early stages of embryo development with a careful analysis of the regulatory mechanisms driving cleavage, polarization and genome activation. -Stem cell and gametogenesis. The use of the oocyte as a possible source for the derivation of stem cell lines is discussed and depicted as a powerful tool to investigate oocyte potency and asymmetric imprinting. The potential biological implications are evaluated and use of stem cells to derive oocytes is presented.
Ultrastructure Of Reproduction
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Author : Jonathan van Blerkom
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ultrastructure Of Reproduction written by Jonathan van Blerkom and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
Advances in the development and application of electron microscopic techniques have occurred recently such that the electron microscope has evolved to become an essential tool in both basic and clinical research. Use of this instrument has contributed significantly to the formation of new perspectives and concepts concerning cell fine structure. These structural perspectives are now being integrated with specific functional, biochemical and pathophysiological events and processes of cells and tissues. Most recently, utilization of innovative electron microscopic techniques such as freeze-fracture, freeze etching, and scanning and high-voltage electron microscopy offers both the basic and clinical scientist potentially fundamental insights into many morphodynamic processes related to the activities of cells and tissues. Such an approach has been especially rewarding when applied to the dynamic events of gametogenesis and early embryonic development. The chapters comprising this book have been selected and edited with the aim of providing an up-to-date and comprehensive account of the most important aspects of vertebrate gamets and embryos as revealed by the integration of several different submicroscopic methods. The organization of the chapters is designed to indicate present gaps in our knowledge of the developmental and reproductive biology of gametes and the developing embryo and possible Iines of research which may lead to a lessening of these gaps.
Ultrastructure Of Human Gametogenesis And Early Embryogenesis
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Author : Jonathan van Blerkom
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ultrastructure Of Human Gametogenesis And Early Embryogenesis written by Jonathan van Blerkom and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
In the last few years, the adoption and worldwide proliferation of clinical procedures for medically assisted conception have been associated with the examination and analysis of spermatozoa, oocytes and early embryos under a variety of in vivo and in vitro conditions. These analyses have enabled correlations to be made between the behavior of gametes, the pattern of early embryonic development and the initiation of a normal pregnancy. Collectively, the findings have not only enormously increased our understanding of the process of early human development, but also have provided new insights into the origin and causes of reproductive failure in man. The research presented in this volume describes recent results derived from the study of normal and abnormal patterns of human spermatogenesis, oogenesis and early embryogenesis. The chapters discuss aberrations in morphodynamic and morphophysiological processes that have clinical relevance in human infertility and conception. Two of the chapters describe, respectively, the basic research that allows the cryopreservation of human oocytes and embryos, and the development of in vitro systems that permit the study of cell differentiation and interaction during the peri-implantation period. When relevant, each chapter extrapolates findings from in vitro experimentation to the comparable situation that is observed in vivo.
Meiosis And Gametogenesis
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Author :
language : en
Publisher: Academic Press
Release Date : 1997-11-24
Meiosis And Gametogenesis written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-11-24 with Science categories.
In spite of the fact that the process of meiosis is fundamental to inheritance, surprisingly little is understood about how it actually occurs. There has recently been a flurry of research activity in this area and this volume summarizes the advances coming from this work. All authors are recognized and respected research scientists at the forefront of research in meiosis. Of particular interest is the emphasis in this volume on meiosis in the context of gametogenesis in higher eukaryotic organisms, backed up by chapters on meiotic mechanisms in other model organisms. The focus is on modern molecular and cytological techniques and how these have elucidated fundamental mechanisms of meiosis. Authors provide easy access to the literature for those who want to pursue topics in greater depth, but reviews are comprehensive so that this book may become a standard reference. Key Features * Comprehensive reviews that, taken together, provide up-to-date coverage of a rapidly moving field * Features new and unpublished information * Integrates research in diverse organisms to present an overview of common threads in mechanisms of meiosis * Includes thoughtful consideration of areas for future investigation
Gametogenesis Early Embryo Development And Stem Cell Derivation
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Author : Springer
language : en
Publisher:
Release Date : 2012-10-01
Gametogenesis Early Embryo Development And Stem Cell Derivation written by Springer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-01 with categories.
Gametogenesis And Human Genome
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Author : Milos Pawlowski
language : en
Publisher: Cambridge Stanford Books
Release Date :
Gametogenesis And Human Genome written by Milos Pawlowski and has been published by Cambridge Stanford Books this book supported file pdf, txt, epub, kindle and other format this book has been release on with Science categories.
The biological DNA contained in the sperm is formed by the process called gametogenesis. It consists of different phases after which male and female sex cells are formed. The structure of DNA provides a mechanism for inheritance. The conformation adopted by the DNA depends on the level of hydration, the sequence of the DNA, the amount and direction of the super-winding, the chemical modifications of the bases, the type and concentration of metal ions and the presence of polyamines in solution.
Plant Gametogenesis
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Author : Christophe Lambing
language : en
Publisher:
Release Date : 2022
Plant Gametogenesis written by Christophe Lambing and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Gametogenesis categories.
This volume provides protocols and methods on techniques to study plant gametogenesis. Chapters are divided into four sections covering omics, cytological, molecular approaches, plant transformation, genome editing, bioinformatics, and data analysis. Written in the format of the highly successful Methods in Molecular Biology series, each chapter includes an introduction to the topic, lists necessary materials and reagents, includes tips on troubleshooting and known pitfalls, and step-by-step, readily reproducible protocols. Authoritative and cutting-edge, Plant Gametogenesis: Methods and Protocols aims to be a foundation for future studies and to be a source of inspiration for new investigations in the field.
Sexual Plasticity And Gametogenesis In Fishes
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Author : Balasubramanian Senthilkumaran
language : en
Publisher: Nova Science Publishers
Release Date : 2014-05-14
Sexual Plasticity And Gametogenesis In Fishes written by Balasubramanian Senthilkumaran and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-14 with Medical categories.
Sex determination, differentiation and gamete maturation are well organized molecular events in vertebrates. In vertebrates, sex determination and differentiation are two important events in the development of gonads (testis or ovary). Sex determination is the genetic (sex chromosomes) or environmental process by which the sex (male or female) of an individual is established. During embryonic development, primordial germ cells migrate from the site of origin to the gonadal primordia where they differentiate along with somatic cells and finally form the indifferent/bipotential gonads. Depending on the action of various factors the bipotential gonads give rise to either testis or ovaries. In most vertebrates, excluding fishes and some amphibians, the event of sex determination is controlled genetically and later the progression of gonadal development is controlled by hormones and other factors. Interestingly, these processes in fishes are controlled not only genetically but also through hormones or environmental factors. These characteristics make fish the champions of sex reversal and serve as excellent animal models to precisely understand sexual development. The next interesting aspect is meiotic maturation which is essentially mediated by gonadotropins and progesterone metabolites to trigger final gamete maturation in fishes which is different from mammals. The novel aspects pertaining to gamete maturation has been studied in great detail in fish which depicts precise regulatory events of gamete maturation.
Gametogenesis And Zygote Formation In Domestic Fowl Gallus Domesticus With Chromosome Rearrangements
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Author : John James Bitgood
language : en
Publisher:
Release Date : 1980
Gametogenesis And Zygote Formation In Domestic Fowl Gallus Domesticus With Chromosome Rearrangements written by John James Bitgood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Chickens categories.
