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The critically acclaimed laboratory standard for more than forty years, Methods in Enzymology is one of the most highly respected publications in the field of biochemistry. Since 1955, each volume has been eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Now with over 400 volumes (all of them still in print), the series contains much material still relevant today-truly an essential publication for researchers in all fields of life sciences. Methods in Enzymology is now available online at ScienceDirect - full-text online of volumes 1 onw

Guanosine triphosphatase. --- Enzymology. --- GTP phosphohydrolase --- GTPase --- Guanosine triphosphate phosphohydrolase --- Guanosinetriphosphatase --- Biochemistry --- Enzymes --- Phosphatases

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The Ras superfamily (>150 human members) encompasses Ras GTPases involved in cell proliferation, Rho GTPases involved in regulating the cytoskeleton, Rab GTPases involved in membrane targeting/fusion and a group of GTPases including Sar1, Arf, Arl and dynamin involved in vesicle budding/fission. These GTPases act as molecular switches and their activities are controlled by a large number of regulatory molecules that affect either GTP loading (guanine nucleotide exchange factors or GEFs) or GTP hydrolysis (GTPase activating proteins or GAPs). In their active state, they interact with a continua

GTP Phosphohydrolases. --- GTP-Phosphohydrolases. --- Guanosine triphosphatase. --- Physiology. --- ras GTPase-Activating Proteins. --- ras Proteins. --- Ras proteins. --- GTP phosphohydrolase --- GTPase --- Guanosine triphosphate phosphohydrolase --- Guanosinetriphosphatase --- G proteins --- Guanosine triphosphatase --- Phosphatases

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Since 1982, Ras proteins have been the subject of intense research investigation by the biomedical research community. The wide interest in Ras has been stimulated for three key reasons. First, their frequent mutational activation in human cancers establishes Ras proteins as important mediators of oncogenesis and targets for anti-cancer drug discovery. Second, Ras proteins act as signalling nodes activated by diverse extracellular stimuli, and activated Ras in turn regulates a diversity of cytoplasmic signalling networks. Third, Ras proteins are founding members of a large superfamily of Ras-related small GTPases. Over 150 Ras-related small GTPases are found in the human genome, with orthologs found in all vertebrate species and invertebrates. This book features chapters by leading investigators in the field that highlight the current state-of-the art in Ras biochemistry, structure and biology. This book is an excellent reference for students in the biomedical sciences and for investigators in the field.

GTPase-activating protein. --- Guanosine triphosphatase genes. --- Guanosine triphosphatase. --- Ras oncogenes. --- Ras proteins. --- G proteins --- Guanosine triphosphatase --- GAP (Protein) --- Proteins --- Ras genes --- Guanosine triphosphatase genes --- Oncogenes --- GTP phosphohydrolase --- GTPase --- Guanosine triphosphate phosphohydrolase --- Guanosinetriphosphatase --- Phosphatases --- Genes

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The Ras superfamily (>150 human members) encompasses Ras GTPases involved in cell proliferation, Rho GTPases involved in regulating the cytoskeleton, Rab GTPases involved in membrane targeting/fusion and a group of GTPases including Sar1, Arf, Arl and dynamin involved in vesicle budding/fission. These GTPases act as molecular switches and their activities are controlled by a large number of regulatory molecules that affect either GTP loading (guanine nucleotide exchange factors or GEFs) or GTP hydrolysis (GTPase activating proteins or GAPs). In their active state, they interact with a continua

Guanosine Triphosphate. --- Rho GTPases. --- rho GTP-Binding Proteins. --- Rho G proteins --- Rho GTP-binding proteins --- Guanosine triphosphatase. --- G proteins --- Guanosine triphosphatase --- GTP phosphohydrolase --- GTPase --- Guanosine triphosphate phosphohydrolase --- Guanosinetriphosphatase --- Phosphatases

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G proteins are the key regulators for a wide range of cellular processes in animals and plants. In comparison to animals and yeast, plants have a single Rho-GTPase subfamily called Rho-like GTPases (ROPs). The ROP family of monomeric GTPases has emerged as a versatile and key regulator in plant signal transduction processes. During the past few years’ studies on plant RHO-type (ROP) GTPase have generated new insights into their role in diverse processes ranging from cytoskeletal organization, polar growth, development to stress and hormonal responses.  Studies have shown that plants have evolved specific regulators and effector molecules. ROP GTPases possess the ability to interact with these multiple regulator and effector molecules that ultimately determines their signaling specificity. Recently, genome wide studies in plants have shown that the Arabidopsis genome encodes 93, and rice has nearly 85 small GTPase homologs. And we have been able to identify four new homologs in the rice genome. Here, we focus on the complete phylogenetic, domain, structural and expression analysis during stress and various developmental processes of small GTPases in plants. The comparison of gene expression patterns of the individual members of the GTPase family may help to reveal potential plant specific signaling mechanisms and their relevance. Also, we are summarizing the role of currently known ROP GTPases and their interacting proteins with brief description, simultaneously, comparing their expression pattern based on microarray data. Overall, we will be discussing the functional genomic perspective of plant Rho like GTPases and their role in regulating several physiological processes such as stress, hormonal, pollen tube, root hair-growth and other developmental responses.

Life Sciences. --- Plant Genetics & Genomics. --- Agriculture. --- Plant Pathology. --- Life sciences. --- Plant breeding. --- Plant diseases. --- Sciences de la vie --- Agriculture --- Plantes --- Amélioration --- Maladies et fléaux --- Biology --- Health & Biological Sciences --- Genetics --- Guanosine triphosphatase. --- GTP phosphohydrolase --- GTPase --- Guanosine triphosphate phosphohydrolase --- Guanosinetriphosphatase --- Plant genetics. --- Plant pathology. --- Phosphatases --- Plant Genetics and Genomics. --- Botany --- Communicable diseases in plants --- Crop diseases --- Crops --- Diseases of plants --- Microbial diseases in plants --- Pathological botany --- Pathology, Vegetable --- Phytopathology --- Plant pathology --- Plants --- Vegetable pathology --- Agricultural pests --- Crop losses --- Diseased plants --- Phytopathogenic microorganisms --- Plant pathologists --- Plant quarantine --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- Pathology --- Diseases and pests --- Diseases --- Wounds and injuries