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  • 1
    Publication Date: 2015-07-01
    Description: Plasmodium parasites must complete development in the mosquito vector for transmission to occur. The mosquito innate immune response is remarkably efficient in limiting parasite numbers. Previous work has identified a LPS-induced TNFα transcription factor (LITAF)-like transcription factor, LITAF-like 3 (LL3), which significantly influences parasite numbers. Here, we demonstrate that LL3...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 2
    Publication Date: 2011-01-19
    Description: Plasmodium falciparum has exerted tremendous selective pressure on genes that improve survival in severe malarial infections. Systemic lupus erythematosus (SLE) is an autoimmune disease that is six to eight times more prevalent in women of African descent than in women of European descent. Here we provide evidence that a genetic susceptibility to SLE protects against cerebral malaria. Mice that are prone to SLE because of a deficiency in FcγRIIB or overexpression of Toll-like receptor 7 are protected from death caused by cerebral malaria. Protection appears to be by immune mechanisms that allow SLE-prone mice better to control their overall inflammatory responses to parasite infections. These findings suggest that the high prevalence of SLE in women of African descent living outside of Africa may result from the inheritance of genes that are beneficial in the immune control of cerebral malaria but that, in the absence of malaria, contribute to autoimmune disease.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 3
    Publication Date: 2002-10-05
    Description: Comparison of the genomes and proteomes of the two diptera Anopheles gambiae and Drosophila melanogaster, which diverged about 250 million years ago, reveals considerable similarities. However, numerous differences are also observed; some of these must reflect the selection and subsequent adaptation associated with different ecologies and life strategies. Almost half of the genes in both genomes are interpreted as orthologs and show an average sequence identity of about 56%, which is slightly lower than that observed between the orthologs of the pufferfish and human (diverged about 450 million years ago). This indicates that these two insects diverged considerably faster than vertebrates. Aligned sequences reveal that orthologous genes have retained only half of their intron/exon structure, indicating that intron gains or losses have occurred at a rate of about one per gene per 125 million years. Chromosomal arms exhibit significant remnants of homology between the two species, although only 34% of the genes colocalize in small "microsyntenic" clusters, and major interarm transfers as well as intra-arm shuffling of gene order are detected.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zdobnov, Evgeny M -- von Mering, Christian -- Letunic, Ivica -- Torrents, David -- Suyama, Mikita -- Copley, Richard R -- Christophides, George K -- Thomasova, Dana -- Holt, Robert A -- Subramanian, G Mani -- Mueller, Hans-Michael -- Dimopoulos, George -- Law, John H -- Wells, Michael A -- Birney, Ewan -- Charlab, Rosane -- Halpern, Aaron L -- Kokoza, Elena -- Kraft, Cheryl L -- Lai, Zhongwu -- Lewis, Suzanna -- Louis, Christos -- Barillas-Mury, Carolina -- Nusskern, Deborah -- Rubin, Gerald M -- Salzberg, Steven L -- Sutton, Granger G -- Topalis, Pantelis -- Wides, Ron -- Wincker, Patrick -- Yandell, Mark -- Collins, Frank H -- Ribeiro, Jose -- Gelbart, William M -- Kafatos, Fotis C -- Bork, Peer -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):149-59.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364792" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/chemistry/*genetics/physiology ; Biological Evolution ; Chromosome Inversion ; Chromosomes/genetics ; Cluster Analysis ; Dosage Compensation, Genetic ; Drosophila Proteins/chemistry/genetics/physiology ; Drosophila melanogaster/chemistry/*genetics/physiology ; Exons ; Gene Order ; Genes, Insect ; *Genome ; Insect Proteins/chemistry/genetics/physiology ; Introns ; Physical Chromosome Mapping ; Protein Structure, Tertiary ; *Proteome ; Pseudogenes ; Sequence Homology, Nucleic Acid ; Species Specificity ; Synteny
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2010-03-13
    Description: Extracellular matrices in diverse biological systems are cross-linked by dityrosine covalent bonds catalyzed by the peroxidase/oxidase system. We show that a peroxidase, secreted by the Anopheles gambiae midgut, and dual oxidase form a dityrosine network that decreases gut permeability to immune elicitors. This network protects the microbiota by preventing activation of epithelial immunity. It also provides a suitable environment for malaria parasites to develop within the midgut lumen without inducing nitric oxide synthase expression. Disruption of this barrier results in strong and effective pathogen-specific immune responses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510679/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510679/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kumar, Sanjeev -- Molina-Cruz, Alvaro -- Gupta, Lalita -- Rodrigues, Janneth -- Barillas-Mury, Carolina -- ZIA AI000947-08/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Mar 26;327(5973):1644-8. doi: 10.1126/science.1184008. Epub 2010 Mar 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20223948" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles gambiae/*enzymology/*immunology/microbiology/parasitology ; Anti-Bacterial Agents/pharmacology ; Bacteria/immunology ; Bacterial Physiological Phenomena ; Blood ; Digestive System/enzymology/immunology/microbiology/parasitology ; Enzyme Induction ; Epithelial Cells/immunology/microbiology/parasitology ; Extracellular Matrix/metabolism ; Female ; Gene Expression Regulation ; Insect Proteins/metabolism ; Models, Biological ; NADPH Oxidase/genetics/*metabolism ; Nitric Oxide Synthase/biosynthesis ; Permeability ; Peroxidase/genetics/*metabolism ; Plasmodium berghei/immunology/physiology ; Plasmodium falciparum/immunology/physiology ; RNA Interference ; Tyrosine/analogs & derivatives/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2002-10-05
    Description: We have identified 242 Anopheles gambiae genes from 18 gene families implicated in innate immunity and have detected marked diversification relative to Drosophila melanogaster. Immune-related gene families involved in recognition, signal modulation, and effector systems show a marked deficit of orthologs and excessive gene expansions, possibly reflecting selection pressures from different pathogens encountered in these insects' very different life-styles. In contrast, the multifunctional Toll signal transduction pathway is substantially conserved, presumably because of counterselection for developmental stability. Representative expression profiles confirm that sequence diversification is accompanied by specific responses to different immune challenges. Alternative RNA splicing may also contribute to expansion of the immune repertoire.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Christophides, George K -- Zdobnov, Evgeny -- Barillas-Mury, Carolina -- Birney, Ewan -- Blandin, Stephanie -- Blass, Claudia -- Brey, Paul T -- Collins, Frank H -- Danielli, Alberto -- Dimopoulos, George -- Hetru, Charles -- Hoa, Ngo T -- Hoffmann, Jules A -- Kanzok, Stefan M -- Letunic, Ivica -- Levashina, Elena A -- Loukeris, Thanasis G -- Lycett, Gareth -- Meister, Stephan -- Michel, Kristin -- Moita, Luis F -- Muller, Hans-Michael -- Osta, Mike A -- Paskewitz, Susan M -- Reichhart, Jean-Marc -- Rzhetsky, Andrey -- Troxler, Laurent -- Vernick, Kenneth D -- Vlachou, Dina -- Volz, Jennifer -- von Mering, Christian -- Xu, Jiannong -- Zheng, Liangbiao -- Bork, Peer -- Kafatos, Fotis C -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):159-65.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, D-69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364793" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Animals ; Anopheles/*genetics/*immunology/metabolism/microbiology/parasitology ; Apoptosis ; Bacteria/immunology ; Catechol Oxidase/metabolism ; Computational Biology ; Drosophila Proteins/chemistry/genetics/metabolism ; Drosophila melanogaster/genetics/immunology/metabolism ; Enzyme Precursors/metabolism ; Gene Expression Regulation ; *Genes, Insect ; Genome ; Immunity, Innate ; Insect Proteins/chemistry/genetics/metabolism ; Multigene Family ; Peptides/metabolism ; Phylogeny ; Plasmodium/immunology/physiology ; Protein Structure, Tertiary ; Selection, Genetic ; Serine Endopeptidases/metabolism ; Serpins/metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2007-06-26
    Description: Mosquitoes are vectors of parasitic and viral diseases of immense importance for public health. The acquisition of the genome sequence of the yellow fever and Dengue vector, Aedes aegypti (Aa), has enabled a comparative phylogenomic analysis of the insect immune repertoire: in Aa, the malaria vector Anopheles gambiae (Ag), and the fruit fly Drosophila melanogaster (Dm). Analysis of immune signaling pathways and response modules reveals both conservative and rapidly evolving features associated with different functional gene categories and particular aspects of immune reactions. These dynamics reflect in part continuous readjustment between accommodation and rejection of pathogens and suggest how innate immunity may have evolved.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2042107/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2042107/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waterhouse, Robert M -- Kriventseva, Evgenia V -- Meister, Stephan -- Xi, Zhiyong -- Alvarez, Kanwal S -- Bartholomay, Lyric C -- Barillas-Mury, Carolina -- Bian, Guowu -- Blandin, Stephanie -- Christensen, Bruce M -- Dong, Yuemei -- Jiang, Haobo -- Kanost, Michael R -- Koutsos, Anastasios C -- Levashina, Elena A -- Li, Jianyong -- Ligoxygakis, Petros -- Maccallum, Robert M -- Mayhew, George F -- Mendes, Antonio -- Michel, Kristin -- Osta, Mike A -- Paskewitz, Susan -- Shin, Sang Woon -- Vlachou, Dina -- Wang, Lihui -- Wei, Weiqi -- Zheng, Liangbiao -- Zou, Zhen -- Severson, David W -- Raikhel, Alexander S -- Kafatos, Fotis C -- Dimopoulos, George -- Zdobnov, Evgeny M -- Christophides, George K -- 1 R01 AI059492-01A1/AI/NIAID NIH HHS/ -- 5 R01 AI61576-2/AI/NIAID NIH HHS/ -- G0300170/Medical Research Council/United Kingdom -- GM41247/GM/NIGMS NIH HHS/ -- GR077229MA/Wellcome Trust/United Kingdom -- P01 AI044220-06A1/AI/NIAID NIH HHS/ -- R01 AI037083/AI/NIAID NIH HHS/ -- R01 GM058634/GM/NIGMS NIH HHS/ -- R01 GM058634-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Jun 22;316(5832):1738-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cell and Molecular Biology, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17588928" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/*genetics/immunology ; Animals ; Anopheles/*genetics/immunology ; Antimicrobial Cationic Peptides/physiology ; Carrier Proteins/genetics/physiology ; Drosophila melanogaster/genetics/immunology ; *Evolution, Molecular ; Genes, Insect ; Immunity, Innate/*genetics ; Insect Proteins/genetics/physiology ; Insect Vectors/*genetics/immunology ; Malaria/transmission ; Melanins/metabolism ; Multigene Family ; Signal Transduction ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2010-09-11
    Description: Mosquito midgut invasion by ookinetes of the malaria parasite Plasmodium disrupts the barriers that normally prevent the gut microbiota from coming in direct contact with epithelial cells. This triggers a long-lived response characterized by increased abundance of granulocytes, a subpopulation of hemocytes that circulates in the insect's hemocoel, and enhanced immunity to bacteria that indirectly reduces survival of Plasmodium parasites upon reinfection. In mosquitoes, differentiation of hemocytes was necessary and sufficient to confer innate immune memory.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510677/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510677/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodrigues, Janneth -- Brayner, Fabio Andre -- Alves, Luiz Carlos -- Dixit, Rajnikant -- Barillas-Mury, Carolina -- ZIA AI000947-09/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Sep 10;329(5997):1353-5. doi: 10.1126/science.1190689.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20829487" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles gambiae/*immunology/microbiology/*parasitology ; Bacteria/*immunology ; Bacterial Physiological Phenomena ; Blood Cell Count ; Cell Differentiation ; Colony Count, Microbial ; Digestive System/microbiology/parasitology ; Epithelial Cells/microbiology ; Female ; Granulocytes/cytology/physiology ; Hematopoiesis ; Hemocytes/cytology/*physiology ; Host-Parasite Interactions ; *Immunity, Innate ; *Immunologic Memory ; Insect Proteins/genetics/metabolism ; Insect Vectors/immunology/microbiology/parasitology ; Malaria/parasitology ; Mice ; Plasmodium berghei/*immunology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2012-01-28
    Description: Plasmodium ookinetes traverse midgut epithelial cells before they encounter the complement system in the mosquito hemolymph. We identified a heme peroxidase (HPX2) and NADPH oxidase 5 (NOX5) as critical mediators of midgut epithelial nitration and antiplasmodial immunity that enhance nitric oxide toxicity in Anopheles gambiae. We show that the two immune mechanisms that target ookinetes-epithelial nitration and thioester-containing protein 1 (TEP1)-mediated lysis-work sequentially, and we propose that epithelial nitration works as an opsonization-like system that promotes activation of the mosquito complement cascade.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3444286/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3444286/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oliveira, Giselle de Almeida -- Lieberman, Joshua -- Barillas-Mury, Carolina -- ZIA AI000947-08/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2012 Feb 17;335(6070):856-9. doi: 10.1126/science.1209678. Epub 2012 Jan 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22282475" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles gambiae/genetics/*immunology/physiology ; Complement System Proteins/metabolism ; Female ; Gene Silencing ; Intestinal Mucosa/immunology ; Malaria/immunology ; Mice ; Mice, Inbred BALB C ; NADPH Oxidase/genetics/*metabolism ; Nitrogen/*metabolism ; Peroxidases/genetics/*metabolism ; Plasmodium berghei/*immunology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2013-05-11
    Description: Plasmodium falciparum transmission by Anopheles gambiae mosquitoes is remarkably efficient, resulting in a very high prevalence of human malaria infection in sub-Saharan Africa. A combination of genetic mapping, linkage group selection, and functional genomics was used to identify Pfs47 as a P. falciparum gene that allows the parasite to infect A. gambiae without activating the mosquito immune system. Disruption of Pfs47 greatly reduced parasite survival in the mosquito, and this phenotype could be reverted by genetic complementation of the parasite or by disruption of the mosquito complement-like system. Pfs47 suppresses midgut nitration responses that are critical to activate the complement-like system. We provide direct experimental evidence that immune evasion mediated by Pfs47 is critical for efficient human malaria transmission by A. gambiae.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3807741/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3807741/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Molina-Cruz, Alvaro -- Garver, Lindsey S -- Alabaster, Amy -- Bangiolo, Lois -- Haile, Ashley -- Winikor, Jared -- Ortega, Corrie -- van Schaijk, Ben C L -- Sauerwein, Robert W -- Taylor-Salmon, Emma -- Barillas-Mury, Carolina -- ZIA AI000947-09/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 May 24;340(6135):984-7. doi: 10.1126/science.1235264. Epub 2013 May 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23661646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles gambiae/*immunology/*parasitology ; Gene Knockout Techniques ; Humans ; Immune System ; Malaria, Falciparum/*parasitology/*transmission ; Membrane Glycoproteins/genetics/*physiology ; Plasmodium falciparum/genetics/*pathogenicity ; Protozoan Proteins/genetics/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Insect Biochemistry 21 (1991), S. 825-831 
    ISSN: 0020-1790
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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