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Transcriptional Regulation Of Neuronal Differentiation In The Drosophila Central Nervous System
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Book Synopsis Transcriptional Regulation of Neuronal Differentiation in the Drosophila Central Nervous System by : Haluk Lacin
Download or read book Transcriptional Regulation of Neuronal Differentiation in the Drosophila Central Nervous System written by Haluk Lacin and published by . This book was released on 2010 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: The central nervous system is the most complex and highly organized tissue in animals; composed of thousands of neurites connected in specific and highly reproducible ways. My thesis research has focused on the generation of neuronal diversity: specifically how neurons adopt individual, often unique, identities. Work in many labs has revealed that a large set of transcription factors act in combinatorial manner to specify the fate of individual neurons or small groups of neurons. However, in most cases, it remains unclear how individual or specific combinations of transcription factors directly control the terminal differentiation of neurons via the regulation of different genes, such as neurotransmitters. My thesis work has focused on the identification and characterization of new members of the combinatorial code of transcription factor and on initial attempts to link these transcription factors to the expression and activity of genes that contribute directly to neuronal differentiation. In chapter 2, I describe the identification and characterization of Dbx, a homedomain-containing transcription factor, expressed in a mixture of progenitor cells and a subset of GABAergic interneurons. I show that Dbx is expressed in many interneurons that are sibling to motor neurons, and that Dbx is required to promote the development of these interneurons via cross-repressive interactions with Eve and Hb9, which are expressed in the sibling motor neurons. In chapter 3, I detail the identification of FoxD, a transcription factor that is positively regulated by the homeodomain-containing transcription factor Hb9 in the Drosophila CNS. FoxD is expressed in a subset of Hb9 positive neurons and also in all octopaminergic neurons in the Drosophila embryonic CNS. I have identified the enhancers that drive expression in these neurons and have recently generated two mutant alleles of foxD. Loss of foxD appears to result in hyperactivity, which is most pronounced in males. As octopamine is the fly equivalent of norepinephrine, these results suggest that FoxD may function in specific cells to regulate the synthesis and release of octopmaine. Thus, my thesis has identified two members of the combinatorial code of transcription factors that govern neuronal identity. In addition, it has begun to place the functions of these genes within the genetic regulatory hierarchy of this code and started to link the function of individual transcription factors to the regulation of terminal differentiation genes and animal behavior.
Book Synopsis Transcription Factors in the Nervous System by : Gerald Thiel
Download or read book Transcription Factors in the Nervous System written by Gerald Thiel and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first book to cover neural development, neuronal survival and function on the genetic level outlines promising approaches for novel therapeutic strategies in fighting neurodegenerative disorders, such as Alzheimer's disease. Focusing on transcription factors, the text is clearly divided into three sections devoted to transcriptional control of neural development, brain function and transcriptional dysregulation induced neurological diseases. With a chapter written by Nobel laureate Eric Kandel, this is essential reading for neurobiologists, geneticists, biochemists, cell biologists, neurochemists and molecular biologists.
Book Synopsis Transcriptional Regulation in the Embryonic Central Nervous System of Drosophila by : Robert Graham Franks
Download or read book Transcriptional Regulation in the Embryonic Central Nervous System of Drosophila written by Robert Graham Franks and published by . This book was released on 1994 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regulation of Cell Proliferation and Differentiation During Drosophila Neurogenesis by : Te-Hui Liu
Download or read book Regulation of Cell Proliferation and Differentiation During Drosophila Neurogenesis written by Te-Hui Liu and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: During Drosophila embryogenesis, tight coordination between cell proliferation and terminal differentiation is required to ensure the proper formation of the nervous system. However, little is known regarding the mechanism coordinating cell cycle proliferation and terminal differentiation. The main goal of my research was to analyze the transcriptional regulation of the cyclin-dependent kinase inhibitor (CKI) dacapo (dap) gene expression during Drosophila melanogaster neurogenesis. dap is the only identified G1 CKI in Drosophila and is a homolog of p27kip. I found dap expression to be regulated by a complex array of tissue-specific cis-regulatory elements. prospero (pros), a pan-neural transcription factor, regulates dap expression in the embryonic nervous system. Furthermore, Pros and DmcycE, the Drosophila homolog of cyclin E, function cooperatively in regulating the expression of both dap and the neuronal differentiation marker-Even-skipped (Eve). A second goal of my research was to analyze the role of Pros in the regulation of mitotic activity and differentiation. Evidence is presented that cell cycle regulatory genes are downstream targets of Pros in regulating mitotic activity. In addition, Pros interacts with cell cycle regulatory genes to regulate the expression of neuronal differentiation markers in a lineage specific pattern.
Book Synopsis Determinants of Neuronal Identity by : Marty Shankland
Download or read book Determinants of Neuronal Identity written by Marty Shankland and published by . This book was released on 1992 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determinants of Neuronal Identity brings together studies of a wide range of vertebrate and invertebrate organisms that highlight the determinants of neuronal identity. Emphasis of this book is on how neurons are generated; how their developmental identities are specified; and to what degree those identities can be subsequently modified to meet the changing needs of the organism. This book also considers various techniques used in the analysis of different organisms. This volume is comprised of 15 chapters; the first of which introduces the reader to the specification of neuronal identity in C ...
Author :Bernhard H.J. Juurlink Publisher :Springer Science & Business Media ISBN 13 :1461519292 Total Pages :311 pages Book Rating :4.4/5 (615 download)
Book Synopsis Neural Cell Specification by : Bernhard H.J. Juurlink
Download or read book Neural Cell Specification written by Bernhard H.J. Juurlink and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last decades have witnessed a radical change in our views on central nervous system damage and repair. This change is not only due to the emergence of new powerful tools for the analysis of the brain and its reactions to insults, but it also reflects a conceptual change in the way we approach these problems. As an illustration to this development, it is instructive to go back to the proceedings of a meeting at the NIH in 1955 edited by William F. Windle, which summarizes the disillusioned and pessimistic view on CNS regeneration prevailing at the time. While this generation of researchers were well aware of the issues at stake, they felt they had reached the end of the road; the approaches they had pursued had got stuck and the tools available could not take them any further. I can very well imagine that the participants, most of them leaders in the field, left that conference feeling they had heard their field being sentenced to death.
Book Synopsis Elucidating the Role of RNA-Binding Proteins in Drosophila Sensory Neuron Development by : Rebecca Ann Alizzi
Download or read book Elucidating the Role of RNA-Binding Proteins in Drosophila Sensory Neuron Development written by Rebecca Ann Alizzi and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neurons are a diverse group of cells, with their unique morphology often linked to specific functional requirements. The intricate morphology of neurons necessitates a multilayered developmental process, with regulation occurring at the transcriptional, post-transcriptional and post-translational levels. RNA-binding proteins (RBPs) that mediate post-transcriptional regulation can function at all stages of the lifecycle of a transcript, allowing for rapid and localized control over gene expression. These regulatory features are particularly important in cells as expansive and morphologically complex as neurons. The Drosophila larval class IV dendritic arborization (da) neurons provide an ideal system for studying the role of RBPs in neuron development. These highly branched sensory neurons completely and non-redundantly tile the larval body wall. Here, we analyze the role of the RBP Found in neurons (Fne) in regulating the space-filling dendrite growth that is characteristic of these neurons. Our results indicate that Fne regulates multiple transcripts and in doing so, is able to modulate both processes intrinsic to the neuron as well as interactions between the neuron and the surrounding environment. By regulating multiple, functionally-related transcripts in tandem, Fne is able to act as a central coordinator of neuronal morphology. This synchronized regulation is likely to be an important feature of many other RBPs that have been implicated in neuronal morphogenesis. Furthermore, our results reveal that the molecular mechanisms underlying the role of Fne in class IV da neurons are distinct from its recently revealed functions in the central nervous system. The differences in Fne function in various types of neurons, and therefore its participation in distinct regulatory processes, could be a feature that is common to many RBPs and may contribute to the vast morphological diversity observed in neurons.
Book Synopsis Analysis of Axon Guidance in the Embryonic Central Nervous System of Drosophila Melanogaster by : Vicki L. McGovern
Download or read book Analysis of Axon Guidance in the Embryonic Central Nervous System of Drosophila Melanogaster written by Vicki L. McGovern and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The goal of developmental neurobiology is to understand how a complex nervous system is wired. During development of the central nervous system (CNS) neural connections are assembled in a highly stereotyped fashion. How do axons find their targets with such accuracy? We know that axon migration is direct by attractive and repulsive guidance cues located in the extracellular environment. While many guidance molecules have been identified, we are only just beginning to understand the mechanisms of axon guidance. In order to identify additional genes involved in axon guidance and CNS development we performed a misexpression screen. Using P-elements and the UAS/GAL4 system, transcription of endogenous genes was induced in the embryonic CNS. Misexpression phenotypes were then identified immunohistochemically with two monoclonal antibodies: BP102, a general axon marker, and 1D4, which labels a subset of axon pathways. Over 4100 individual P-element insertion lines were screened. Twenty-five insertions corresponding to 18 genes resulted in misexpression phenotypes. Genes involved in axon guidance, embryonic patterning, and cell cycle regulation were identified. Several transcription factors that have not been previously implicated in CNS development were isolated and characterized as well. The identification of these transcription factors is intriguing since little is known about the transcriptional regulation of axon guidance genes. Additionally, we have studied the regulation of the previously identified guidance molecule Commissureless (Comm). Comm is necessary for proper axon guidance at the CNS midline of the Drosophila embryo. In the absence of Comm, commissural axons fail to cross the midline and instead make ispilateral projections on their respective sides of the midline. Using mosaic analysis, we have identified a cell autonomous neuronal requirement for Comm. Clones containing mutant alleles of comm formed commissural projections at a statistically significant reduced frequency when compared to wild type clones. This result suggests that regulation of Comm expression in neurons is critical for Comm's function in axon guidance at the CNS midline. These studies have both advanced the understanding of the regulation of Comm, and have identified new potential regulators of guidance molecules.
Book Synopsis Transcriptional Regulation of Early Progenitor Competence in the Drosophila Central Nervous System by : Khoa Dang Tran
Download or read book Transcriptional Regulation of Early Progenitor Competence in the Drosophila Central Nervous System written by Khoa Dang Tran and published by . This book was released on 2010 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Embryonic Development of Drosophila melanogaster by : Jose A. Campos-Ortega
Download or read book The Embryonic Development of Drosophila melanogaster written by Jose A. Campos-Ortega and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: " . . . but our knowledge is so weak that no philosoph er will ever be able to completely explore the nature of even a fly . . . " * Thornas Aquinas "In Syrnbolurn Apostolorum" 079 RSV p/96 This is a monograph on embryogenesis of the fruit fly Drosophi la melanogaster conceived as a reference book on morphology of embryonie development. A monograph of this extent and con tent is not yet available in the literature of Drosophila embryolo gy, and we believe that there is areal need for it. Thanks to the progress achieved during the last ten years in the fields of devel opmental and molecular genetics, work on Drosophila develop ment has considerably expanded creating an even greater need for the information that we present here. Our own interest for wildtype embryonie development arose several years ago, when we began to study the development of mutants. While those studies were going on we repeatedly had occasion to state in sufficiencies in the existing literature about the embryology of the wildtype, so that we undertook investigating many of these problems by ourselves. Convinced that several of our colleagues will have encountered similar difficulties we decided to publish the present monograph. Although not expressely recorded, Thomas Aquinas probably referred to the domestic fly and not to the fruit fly. Irrespective of which fly he meant, however, we know that Thomas was right in any case.
Book Synopsis Phase Transformations and Systems Driven Far From Equilibrium: Volume 481 by : En Ma
Download or read book Phase Transformations and Systems Driven Far From Equilibrium: Volume 481 written by En Ma and published by Mrs Proceedings. This book was released on 1998-07-29 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Just over 100 invited and contributed papers emphasize understanding the thermodynamics and kinetics of phase transformations, with significant coverage of metastable materials and externally forced transformations driven, for example, by energy beams or mechanical deformation. They cover solidification theory and experiments, nucleation, solid-state transformations and microstructural evolution, beam-induced transformations, amorphous solids, interfacial and thin-film transformations, and nanophases and mechanical alloying. Annotation copyrighted by Book News, Inc., Portland, OR
Book Synopsis Synapse Development and Maturation by : Pasko Rakic
Download or read book Synapse Development and Maturation written by Pasko Rakic and published by Academic Press. This book was released on 2020-05-29 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synapse Development and Maturation, the latest release in the Comprehensive Developmental Neuroscience series, presents the latest information on the genetic, molecular and cellular mechanisms of neural development. The book provides a much-needed update that underscores the latest research in this rapidly evolving field, with new section editors discussing the technological advances that are enabling the pursuit of new research on brain development. This volume focuses on the synaptogenesis and developmental sequences in the maturation of intrinsic and synapse-driven patterns. Features leading experts in various subfields as section editors and article authors Presents articles that have been peer reviewed to ensure accuracy, thoroughness and scholarship Includes coverage of mechanisms which regulate synapse formation and maintenance during development Covers neural activity, from cell-intrinsic maturation, to early correlated patterns of activity
Download or read book Drosophila written by David B. Roberts and published by IRL Press. This book was released on 1998 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drosophila--the scientist's favorite laboratory organism--is a key subject for studying genetics, development, and behavior. The second edition of this popular hands-on guide brings the methodology up-to-date, with contributions from the leading researchers in the field. Chapters include the elements of Drosophila biology and genetics; mutagenesis; transposons--gene tagging and mutagenesis; chromosome mechanics: the genetic manipulation of aneuploid stocks; enhancer traps; looking at embryos; immunolabelling of Drosophila; population and ecological genetics; behavior, learning, and memory; cell culture; and preparation of nucleic acids.
Book Synopsis Gene Regulation in the Midline of the Drosophila Central Nervous System and the Function of the Single-minded Gene by : Keith Allen Wharton
Download or read book Gene Regulation in the Midline of the Drosophila Central Nervous System and the Function of the Single-minded Gene written by Keith Allen Wharton and published by . This book was released on 1992 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Gerhard Martin Technau Publisher :Springer Science & Business Media ISBN 13 :0387782613 Total Pages :173 pages Book Rating :4.3/5 (877 download)
Book Synopsis Brain Development in Drosophila melanogaster by : Gerhard Martin Technau
Download or read book Brain Development in Drosophila melanogaster written by Gerhard Martin Technau and published by Springer Science & Business Media. This book was released on 2009-01-08 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fruitfly Drosophila melanogaster is an ideal model system to study processes of the central nervous system This book provides an overview of some major facets of recent research on Drosophila brain development.
Book Synopsis Kaufman’s Atlas of Mouse Development Supplement by : Richard Baldock
Download or read book Kaufman’s Atlas of Mouse Development Supplement written by Richard Baldock and published by Academic Press. This book was released on 2015-09-23 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kaufman's Atlas of Mouse Development: With Coronal Sections continues the stellar reputation of the original Atlas by providing updated, in-depth anatomical content and morphological views of organ systems.The publication offers written descriptions of the developmental origins of the organ systems alongside high-resolution images for needed visualization of developmental processes. Matt Kaufman himself has annotated the coronal images in the same clear, meticulous style of the original Atlas. Kaufman's Atlas of Mouse Development: With Coronal Sections follows the original Atlas as a continuation of the standard in the field for developmental biologists and researchers across biological and biomedical sciences studying mouse development. Provides high-resolution images for best visualization of key developmental processes and structures Offers in-depth anatomy and morphological views of organ systems Written descriptions convey developmental origins of the organ systems
Book Synopsis From Molecules to Networks by : Ruth Heidelberger
Download or read book From Molecules to Networks written by Ruth Heidelberger and published by Academic Press. This book was released on 2009-01-27 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understanding of the nervous system at virtually any level of analysis requires an understanding of its basic building block, the neuron. From Molecules to Networks provides the solid foundation of the morphologic, biochemical, and biophysical properties of nerve cells. All chapters have been thoroughly revised for this second edition to reflect the significant advances of the past 5 years. The new edition expands on the network aspects of cellular neurobiology by adding a new chapter, Information Processing in Neural Networks, and on the relation of cell biological processes to various neurological diseases. The new concluding chapter illustrates how the great strides in understanding the biochemical and biophysical properties of nerve cells have led to fundamental insights into important aspects of neurodegenerative disease. Written and edited by leading experts in the field, the second edition completely and comprehensively updates all chapters of this unique textbook Discusses emerging new understanding of non-classical molecules that affect neuronal signaling Full colour, professional graphics throughout Includes two new chapters: Information Processing in Neural Networks - describes the principles of operation of neural networks and the key circuit motifs that are common to many networks in the nervous system. Molecular and Cellular Mechanisms of Neurodegenerative Disease - introduces the progress made in the last 20 years in elucidating the cellular and molecular mechanisms underlying brain disorders, including Amyotrophic Lateral Sclerosis (ALS), Parkinson disease, and Alzheimer’s disease
