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An Alternative Secretory Pathway In The Malaria Parasite Plasmodium Falciparum
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Book Synopsis An Alternative Secretory Pathway in the Malaria Parasite 'Plasmodium falciparum' by : Thuvaraka Thavayogarajah
Download or read book An Alternative Secretory Pathway in the Malaria Parasite 'Plasmodium falciparum' written by Thuvaraka Thavayogarajah and published by GRIN Verlag. This book was released on 2017-08-31 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2014 in the subject Biology - Diseases, Health, Nutrition, grade: 1.3, University of Marburg (European virtual Institute for Malaria Research), language: English, abstract: This study focuses on the discovery of an alternative secretory pathway to the ER/Golgi route in the malaria parasite P. falciparum in infected RBCs. Two proteins appeared to be promising candidates of an alternative secretory pathway: the PfADP-ribosylation factor 1 (ARF1) and the Pfadenylate kinase 2 (AK2). Both proteins contained an N-myristoylation site at their N-terminus, which is indicative for N-myristoylation. N-myristoylation is a co-translational modification of a protein, whereby a fatty acid (myristate) is irreversibly attached to the glycine residue at the N-terminus of a protein via the PfN-myristoyltransferase (NMT). A preceding proteomic analysis of the parasitophorous vacuole and a reporter construct study proposed for both PfARF1 (determined by a proteomic study) and PfAK2 (determined by a reporter construct study) PV localization although both proteins lacked a signal peptide. That’s why it was hypothesized whether or not N-myristoylation would drive protein secretion across the parasite plasma membrane (PPM). The subcellular localization of the PfARF1/GFP parasites and the PfAK2/GFP parasites, respectively, were analyzed via epifluorescence microscopy and biochemical methods. In parallel, another batch of reporter constructs were generated and analyzed, where the N-myristoylation site of PfARF1 (this study) and PfAK2 (Ma et al., 2012), respectively, was removed (PfARF1G2A/GFP and PfAK2G2A/GFP). Live cell imaging showed that the fusion protein ARF1/GFP was localized as dot-like structures in the parasite. In contrast, the phenotype of the fusion protein of the PfARF1G2A/GFP parasites showed an evenly distributed signal in the parasite cytosol. Further analysis of the subcellular localization of the PfARF1 strongly supports its localization to compartments of the early secretory pathway of the parasite, but no localization in the PV. In contrast, the fusion protein PfAK2/GFP localized to a ring-like structure around the parasite indicating PV localization. The PfAK2G2A/GFP parasites showed a cytosolic localization of the fusion protein (Ma et al., 2012). Biochemical analyses revaled that the fusion protein PfAK2/GFP was secreted into the PV when the N-myristoylation site was present. Furthermore, it could be shown that the N-terminus of the PfAK2 protein is sufficient for parasite plasma membrane targeting, stable membrane anchoring and subsequent protein translocation across the PPM.
Book Synopsis The Malaria Genome Projects by : Irwin W. Sherman
Download or read book The Malaria Genome Projects written by Irwin W. Sherman and published by World Scientific. This book was released on 2012 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: The year 2012 marks the tenth anniversary of the announcement of the genome sequence of the human malaria parasite Plasmodium falciparum and that of its mosquito vector Anopheles. The genome sequences were a result of the Plasmodium falciparum Genome Project. This book covers in detail the biology of malaria parasites and the mosquitoes that transmit the disease, how the Genome Project came into being, the people who created it, and the cadre of scientists who are attempting to see the promise of the Project realized. The promise was: a more complete understanding of the genes of the parasite (and its vector) would provide a rational basis for the development of antimalarial drugs and vaccines, allow a better understanding of the regulation of the complex life cycle in the red blood and liver cells of the human, identify the genes the parasite uses to thwart the host immune response and the ways in which the parasite evades cure by drug treatments, as well as leading to more effective measures of control transmission. The hope was that cracking the genetic code of Plasmodium and Anopheles would reveal the biochemical Achilles heel of the parasite and its vector, leading to the development of novel drugs and better methods of control, and by finding the targets of protective immunity could result in the manufacture of effective vaccines. Through a historic approach, this book will allow for those new to the field, or those with insufficient background in the sciences, to have an easier entry point. Even scientists already working in the field may better appreciate how discoveries made in the past can impact the direction of future research.
Download or read book Index Medicus written by and published by . This book was released on 2004 with total page 2036 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Shock Proteins of Malaria by : Addmore Shonhai
Download or read book Heat Shock Proteins of Malaria written by Addmore Shonhai and published by Springer Science & Business Media. This book was released on 2013-09-20 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the role of heat shock proteins in the life cycle of malaria parasites. The work includes a general introduction on the structural and functional features of heat shock proteins. The main focus is on the role of heat shock protein families from Plasmodium falciparum, their role in protein folding and in the development of malaria pathology. The functions of individual families of heat shock proteins from plasmodium species and their cooperation in functional networks is described. Subcellular and extracellular organelles such as the apicoplast and the Maurer’s Clefts which are associated with plasmodium species, are discussed in detail. The role of heat shock proteins in the development and function of these organelles structures are highlighted. Although conceding that heat shock proteins may not be ideal antimalarial drug targets, prospects of targeting heat shock proteins in antimalarial drug discovery either directly and/or in combination therapies are explored.
Book Synopsis Guidelines for the Treatment of Malaria. Third Edition by : World Health Organization
Download or read book Guidelines for the Treatment of Malaria. Third Edition written by World Health Organization and published by World Health Organization. This book was released on 2015-08-13 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Malaria remains an important cause of illness and death in children and adults in countries in which it is endemic. Malaria control requires an integrated approach including prevention (primarily vector control) and prompt treatment with effective antimalarial agents. Malaria case management consisting of prompt diagnosis and effective treatment remains a vital component of malaria control and elimination strategies. Since the publication of the first edition of the Guidelines for the treatment of malaria in 2006 and the second edition in 2010 all countries in which P. falciparum malaria is endemic have progressively updated their treatment policy from use of ineffective monotherapy to the currently recommended artemisinin-based combination therapies (ACT). This has contributed substantially to current reductions in global morbidity and mortality from malaria. Unfortunately resistance to artemisinins has arisen recently in P. falciparum in South-East Asia which threatens these gains. This third edition of the WHO Guidelines for the treatment of malaria contains updated recommendations based on a firmer evidence base for most antimalarial drugs and in addition include recommendation on the use of drugs to prevent malaria in groups at high risk. The Guidelines provide a framework for designing specific detailed national treatment protocols taking into account local patterns of resistance to antimalarial drugs and health service capacity. It provides recommendations on treatment of uncomplicated and severe malaria in all age groups all endemic areas in special populations and several complex situations. In addition on the use of antimalarial drugs as preventive therapy in healthy people living in malaria-endemic areas who are high risk in order to reduce morbidity and mortality from malaria. The Guidelines are designed primarily for policy-makers in ministries of health who formulate country-specific treatment guidelines. Other groups that may find them useful include health professionals and public health and policy specialists that are partners in health or malaria control and the pharmaceutical industry. The treatment recommendations in the main document are brief; for those who wish to study the evidence base in more detail a series of annexes is provided with references to the appropriate sections of the main document.
Book Synopsis Transport and Trafficking in the Malaria-Infected Erythrocyte by : Gregory R. Bock
Download or read book Transport and Trafficking in the Malaria-Infected Erythrocyte written by Gregory R. Bock and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an urgent need to uncover new therapies that will protect against malaria, as the parasite becomes increasingly resistant to available drugs and this book offers insights into three interrelated aspects of the malaria-infected erythrocyte: * The transport of solutes into and out of the infected cell and the use of specific trafficking pathways in drug targeting * The traffic of proteins produced by the intracellular parasite as an essential process for the biogenesis of transport systems. * The relationship between the transport of drugs into the infected cell and the mode of drug action and drug resistance.
Download or read book New Comprehensive Biochemistry written by and published by . This book was released on 1996 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Malaria written by Irwin W. Sherman and published by Amer Society for Microbiology. This book was released on 1998-01 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every 30 seconds a death is caused by Malaria. This book brings together recent advances in our understanding of the basic biology, genetics and pathogenesis of malaria, to facilitate the rapid generation of new insights and interventions. Each chapter is written by a leading expert(s), and serves as both a useful introduction to the area and a helpful set of references. Malaria: Parasite Biology, Pathogenesis and Protection is a useful entry point for graduate and medical students, scientists and individuals engaged in a subspecialty of Malaria research, as well as those who are simply interested in getting a grasp on the present status of this ever burgeoning public health problem.
Book Synopsis Rodent Malaria by : R. Killick-Kendrick
Download or read book Rodent Malaria written by R. Killick-Kendrick and published by Elsevier. This book was released on 2012-12-02 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rodent Malaria reviews significant findings concerning malaria parasites of rodents, including their taxonomy, zoogeography, and evolution, along with life cycles and morphology; genetics and biochemistry; and concomitant infections. This volume is organized into eight chapters and begins by sketching out the history of the discovery of rodent as well as aspects of parasitology, immunology, and chemotherapy. These concepts are investigated two decades following Ignace Vincke's major discovery and Meir Yoeli's successful establishment of the method of cyclical transmission of the parasite. The following chapters focus on the taxonomy and systematics of the subgenus Vinckeia, with reference to the concepts of species and subspecies of animals and the degree to which they apply to malaria parasites, in particular to those of rodents. The discussion then shifts to how the rodent malaria parasites provide a unique insight into the subcellular organization of Plasmodium species, the use of rodent malaria as an experimental model to study immunological responses, and infectious agents that interact with malaria parasites. The book concludes with a chapter on malaria chemotherapy, with emphasis on the value of rodent malaria in antimalarial drug screening and the use of antimalarial drugs as biological probes. This book will be of interest to protozoologists and physicians as well as those from other disciplines including biochemistry, immunology, pharmacology, cell biology, and genetics.
Book Synopsis The Cell Biology of Protist Parasite-Host Interfaces by : Carmen Faso
Download or read book The Cell Biology of Protist Parasite-Host Interfaces written by Carmen Faso and published by Frontiers Media SA. This book was released on 2022-04-28 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Overview of Tropical Diseases by : Amidou Samie
Download or read book An Overview of Tropical Diseases written by Amidou Samie and published by BoD – Books on Demand. This book was released on 2015-12-02 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tropical diseases affect millions of people throughout the world and particularly in the developing countries. The millennium development goals had specifically targeted HIV/AIDS and Malaria for substantial reduction as well as Tuberculosis while many other tropical diseases have been neglected. The new sustainable development goals have not made such distinction and have targeted all diseases for elimination for the improvement of the quality of life of human beings on earth. The present book was developed to provide an update on issues relevant to the treatment of selected tropical diseases such as tuberculosis, malaria, leishmaniasis, schistosomiasis and ectoparasites such as chiggers which are widely distributed throughout the world. The control of these infections has been hampered by the development of drug resistance and the lack of the development of new and more effective drugs. The understanding of the biochemical processes underlying drug activity is therefore essential for the potential elimination of these infections.
Download or read book Biological Chemistry written by and published by . This book was released on 2004 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Malaria written by Mats Wahlgren and published by CRC Press. This book was released on 2003-09-02 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Malaria causes more death and disease than any other parasitic pathogen known today. This multiauthored text covers the important areas of malaria research, particularly focusing on those sectors which are of clinical importance for the understanding of the disease, the parasite, and its vector. The chapter authors are all leading experts within their own particular fields. The biology and molecular biology of the parasite, the clinical spectrum of the disease, the pathogenesis of malaria, and the immunology and emergence of malaria vaccines are some examples of the scientific spheres that are discussed. The book is suitable as a text for graduate students and clinicians as well as researchers at universities and companies involved in treating or studying infectious diseases.
Book Synopsis Immune Evasion Strategies in Protozoan-Host Interactions by : Alexandre Morrot
Download or read book Immune Evasion Strategies in Protozoan-Host Interactions written by Alexandre Morrot and published by Frontiers Media SA. This book was released on 2020-12-29 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis World Malaria Report 2015 by : World Health Organization
Download or read book World Malaria Report 2015 written by World Health Organization and published by World Health Organization. This book was released on 2016-01-30 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: The World Malaria Report 2015assesses global malaria disease trends and changes in the coverage and financing of malaria control programs between 2000 and 2015. It also summarizes progress towards international targets, and provides regional and country profiles that summarize trends in each WHO region and each country with malaria. The report is produced with the help of WHO regional and country offices, ministries of health in endemic countries, and a broad range of other partners. The data presented are assembled from the 96 countries and territories with ongoing malaria transmission, and a further five countries that have recently eliminated malaria. Most data are those reported for 2014 and 2015, although in some cases projections have been made into 2015, to assess progress towards targets for 2015.
Book Synopsis Apicomplexan Parasites by : Katja Becker
Download or read book Apicomplexan Parasites written by Katja Becker and published by John Wiley & Sons. This book was released on 2011-01-19 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is the first dealing with the discovery of drugs directed against apicomplexan parasites. Amongst others, this group of endoparasites includes the causative agents of Malaria, Toxoplasmosis, and Babesiosis, the latter occurring mainly in animals. Written by renowned scientific experts from academia and industry, the book focuses on currentdrug development approaches for all apicomplexan diseases making it appealing to a large audience, ranging from research labs in academia to the human and veterinarian pharmaceutical industry. This work is the second volume of the new book series 'Drug Discovery in Infectious Diseases', edited by Prof. Dr Paul M. Selzer.
