Rab Gtpases And Their Binding Proteins In The Regulation Of Endocytic Events
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Rab Gtpases And Their Binding Proteins In The Regulation Of Endocytic Events
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Author : Magdalena Deneka
language : en
Publisher:
Release Date : 2002
Rab Gtpases And Their Binding Proteins In The Regulation Of Endocytic Events written by Magdalena Deneka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Rab Gtpase Activating Proteins At The Golgi Endosome Interface
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Author : Ryan Michael Nottingham
language : en
Publisher: Stanford University
Release Date : 2010
Rab Gtpase Activating Proteins At The Golgi Endosome Interface written by Ryan Michael Nottingham and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Rab GTPases are master regulators of membrane trafficking in eukaryotic cells. With GTP bound, they regulate trafficking by recruiting effectors to specific membrane-bound compartments. GTPase-activating proteins (GAPs) stimulate a Rab's intrinsic rate of GTP hydrolysis, thus inactivating the Rab by converting bound GTP to GDP. Regulation of Rab proteins links the formation and breakdown of sequential, Rab-regulated membrane domains in the secretory and endocytic pathways. This thesis presents the characterization of a novel RabGAP, RUTBC1. RUTBC1 binds Rab9 in vitro and in cells through interactions with its N-terminus. Overexpression of RUTBC1 only slightly disrupts MPR trafficking and RUTBC1 does not function as a GAP for Rab9. In vitro biochemical screening of Rab proteins revealed that RUTBC1 has GAP activity toward Rab33b and Rab32. These data suggest that RUTBC1 might function to link inactivation of these Rabs in relation to a Rab9 microdomain, in support of the existence of a Rab cascade at the interface between the Golgi apparatus and endosomes. Depletion of RUTBC1 unexpectedly led to concomitant depletion of Atg16L1. Atg16L1 has an established and essential role in macroautophagy, a highly conserved cellular recycling process. Overexpression of Atg16L1 caused the formation of large puncta in the cytoplasm, which are also labeled by endogenous RUTBC1 and may represent autophagosomes. Atg16L1 is a known Rab33b effector, suggesting that Rab33b, RUTBC1 and Atg16L1 function together to regulate autophagosome formation. Finally, RUTBC2, which is highly related to RUTBC1, also binds specifically to Rab9. In vitro biochemical screening for RUTBC2's Rab substrates showed that RUTBC2 had highest GAP activity toward Rab34 and Rab36, two very similar Rabs thought to play a role in secretion. The difference in substrate specificity between RUTBC1 and RUTBC2 further exemplifies the highly complex integration of diverse membrane trafficking pathways in mammalian cells.
Rab Gtpases
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Author : Guangpu Li (Molecular biologist)
language : en
Publisher:
Release Date : 2015
Rab Gtpases written by Guangpu Li (Molecular biologist) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Biochemistry categories.
This volume covers the latest technological advances in the characterization of the biosynthesis and functions of Rab GTPases and their regulation by guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). The book consists of 28 chapters, and starts with an overview of the Rab GTPase family. The next few chapters describe systematic approaches to the identification and classification of Rabs and Rab GAPs, as well as the detection of Rab isoprenylation and membrane distribution. The last few chapters examine the biochemical and functional properties of individual Rabs in the order of exocytic, recycling, and endocytic Rabs. Written in the highly successful Methods of Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Instructive and practical, Rab GTPases: Methods and Protocols approaches each topic with great detail and is a valuable resource for researchers and students interested in the field of Rab GTPases.
Rab Gtpases
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Author : Guangpu Li (Molecular biologist)
language : en
Publisher:
Release Date : 2021
Rab Gtpases written by Guangpu Li (Molecular biologist) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Guanosine triphosphatase categories.
This second edition volume expands on the previous edition with a discussion of new research and discoveries in the Rab field. Chapters in this book cover topics such as new information on Rab regulation and localization; interaction; function; and diseases. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and comprehensive, Rab GTPases: Methods and Protocols, Second Edition is a valuable resource for scientists working in the fields of Rab and other small GTPases, and beyond.
Trafficking Inside Cells
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Author : Nava Segev
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-05-30
Trafficking Inside Cells written by Nava Segev 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 2010-05-30 with Science categories.
This book covers the past, present and future of the intra-cellular trafficking field, which has made a quantum leap in the last few decades. It details how the field has developed and evolved as well as examines future directions.
Amphibian Models Of Development And Disease
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Author :
language : en
Publisher: Academic Press
Release Date : 2021-05-30
Amphibian Models Of Development And Disease 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 2021-05-30 with Science categories.
Amphibian Models of Development and Disease, Volume 145 in the Current Topics in Developmental Biology series, highlights new advances in the field written by an international board of experts. New chapters in this release include Building a ciliated epithelium: Transcriptional regulation and radial intercalation of multiciliated cells, Biomechanics of Amphibian Morphogenesis, Planar cell polarity during neural tube closure, Xenopus neural crest and its relevance to human disease, Endoderm organogenesis, From egg to embryo in marsupial frogs, Evo-devo lessons from the analysis of Xenopus genomes, Transcriptional regulation during zygotic genome activation, Proteomics and metabolomics for cell lineage analysis in frog embryos, and more. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Current Topics in Developmental Biology series Includes the latest information on Amphibian Models of Development and Disease
Encyclopedia Of Signaling Molecules
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Author :
language : en
Publisher:
Release Date : 19??
Encyclopedia Of Signaling Molecules written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with categories.
Arf Family Gtpases
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Author : Richard A. Kahn
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-02-29
Arf Family Gtpases written by Richard A. Kahn 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 2004-02-29 with Science categories.
For the first time experts in the area of signalling research with a focus on the ARF family have contributed to the production of a title devoted to ARF biology. A comprehensive phylogenetic analysis of the ARF family, tables of the ARF GEFs and ARF GAPs, and more than a dozen chapters describing them in detail are provided. The impact of the ARF proteins on widely diverse aspects of cell biology and cell signalling can be clearly seen from the activities described; including membrane traffic, lipid metabolism, receptor desensitization, mouse development, microtubule dynamics, and bacterial pathogenesis. Anyone interested in understanding the complexities of cell signalling and the integration of signalling networks will benefit from this volume.
Ras Superfamily Small G Proteins Biology And Mechanisms 1
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Author : Alfred Wittinghofer
language : en
Publisher: Springer
Release Date : 2014-09-22
Ras Superfamily Small G Proteins Biology And Mechanisms 1 written by Alfred Wittinghofer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-22 with Science categories.
This first of two volumes provides a general overview of the genetics, structure, mechanism and regulation of the Ras superfamily proteins and describes in detail the signaling pathways and processes regulated by specific members of this family. The focus of this first volume is on the Rho and Ras subfamily of small G proteins. Renowned scientists provide insights into the biochemistry of the classical and non-classical small G-protein family members, their spatio-temporal regulation, their effectors and their roles in health and disease. Together with Volume 2, this book provides a comprehensive and state-of-the-art work on small G-proteins (GTPases). It is intended for graduates and professors in biochemistry and cell biology already working on small G-proteins (small GTPases), but also offers an extremely valuable resource for those readers who are new to the field.
Molecular Biology Of The Cell
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Author : Bruce Alberts
language : en
Publisher:
Release Date : 2002
Molecular Biology Of The Cell written by Bruce Alberts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Cytology categories.