Distribusi geografis dan perbedaan fisiologis nyamuk diduga mempengaruhi penularan virus. These sets associate to form a herringbone configuration on the viral surface. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists. Dec 16, 2012 dengue virus has two membrane proteins, e and m, which undergo dramatic structural changes during the life cycle of the virus. Oct 25, 2016 demam berdarah dengue merupakan salah satu problem kesehatan di berbagai negara tropis termasuk di indonesia. The envelope of the virus is formed when the virus is exiting the cell via budding, and the infectivity of these viruses is mostly dependent on the envelope. Virus dengue termasuk dalam grup b arthropod borne viruses arboviruses. Virus zika pengertian, penyebab, struktur, gambar dan perawatan kasus dalam penyebaran virus zika di wilayah singapore mulai menjadi perhatian yang serius setelah kemungkinan dalam penyebarannya bisa masuk juga ke wilayah indonesia sebagai negara yang bertetangga dengan singapore. Five serotypes of the virus have been found, all of which can cause the full spectrum of disease. Karakteristik dan struktur virus terdiri dari kepala virus, leher virus, dan ekor virus. Pdf analisis struktur protein selubung virus dengue serotipe 3.
Penyakit ini ditandai dengan demam, nyeri otot danatau nyeri sendi, yang disertai leukopenia, ruam, limfadenopati. It is caused by any of the 4 serotypes of dengue virus and is transmitted within humans through female aedes mosquitoes. The dengue virus structure has sets of three, nearly parallel dimers. Demam dengue d d dan demam berdarah dengue d bd adalah penyakit menular yang disebabkan oleh virus dengue yang ditularkan melalui nyamuk aedes aegypti dan aedes albopictus.
Beberapa virus yang dapat menyebabkan penyakit pada tanaman umumnya. The primary role of capsid is to package the viral genome. Jenis nyamuk ini adalah jenis nyamuk yang sama dengan nyamuk penyebar virus dengue, chikungunya, dan demam kuning. Structure of dengue virus request pdf researchgate. Meskipun ukuran virus sangat kecil sekali bukan berarti virus tidak memiliki struktur tubuh yang jelas. Beberapa virus membuat ratusan salinan mereka sendiri dan. To find the different in protein structure of denv3 circulated in surabaya, we conduct analysis of two sequences of denv3 genotype 1 in different clade.
Makalah membahas tentang struktur proteomik pada denv, yaitu glikoprotein pada envelope, ns3 protease, ns3 helikase, ns5 metiltransferase, dan ns5 rnadependent rna polimerase. Abstract dengue virus denv has caused over 50 millions infection every year. The envelope of the virus is formed when the virus is exiting the cell via budding, and the infectivity of these viruses is. Properties and functions of the dengue virus capsid. Almost all viruses belonging to the genus flavivirus are insectborne and zoonotic viruses. Asam nukleat, pembawa materi genetik virus yang digunakan untuk replikasi. It is a mosquitoborne, single positivestranded rna virus of the family flaviviridae. This animation zooms into a 3d model of dengue virus, moving from the virus s outer structures to its inner core.
Struktur utama virus adalah asam nukleat yang dapat berupa rna ribonucleic. Health experts have known about dengue fever for more than 200 years. From origin to outbreak provides a detailed accounting of one of the worlds fastest growing infections. Virus dengue merupakan virus rna rantai tunggal, genus flavivirus dari family flaviviridae, terdiri atas 4 tipe virus yaitu d1, d2, d3 dan d4. Soal dan pembahasan tentang virus pilihan ganda virus merupakan organisme mikroskopik yang akan menjadi topik dalam soal dan pembehasan pilihan ganda berikut ini. This disease used to be called breakbone fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking.
Ns2bns3pro nonstructural protein 2bnonstructural protein 3 has been approved as prime drug target for the drug discovery against dengue. Treat the symptoms of dengue and see your healthcare provider. Physicchemistry properties and charge of amino acid causing different 3d structure of denv3 envelope protein. Analisis struktur protein selubung virus dengue serotipe 3. Artikel ini juga menyajikan berbagai gambar struktur tubuh virus beserta fungsinya. Currently, there is no vaccine or effective antiviral against the virus. The overall fit of the 90 tbev e dimer structures to the cryoem map of dengue virus gives a satisfying, closepacking arrangement figures 3b and 3d. Antigen ns1 non structural1 merupakan salah satu antigen protein yang dihasilkan oleh virus dengue dan berperan dalam replikasi virus. Contohnya adalah rubella virus, dengue virus, hepatitis c virus, dan hepatitis e virus. According to the world health organization, dengue virus incidence has increased 30fold over the past 50 years, with up to 50 to 100 million infections occurring annually in over 100 endemic countries. Virus berukuran lebih kecil dari pada bakteri, yakni berkisar antara 20 milimikron300 milimikron 1 mikron milimikron. Virus zika gejala, penyebab dan mengobati alodokter. Penyakit ini disebabkan oleh infeksi virus famili flaviridae yang ditularkan oleh nyamuk aedes aegypti dan dapat menyerang semua orang, mengakibatkan kematian serta menimbulkan wabah.
Dengue fever df is common mosquito born disease caused by dengue virus 1. Bentukbentuk virus yang sudah diketahui ada yang serupa bola, berbentuk kotak, berbentuk batang, dan ada yang seperti hurut t. Togavirus yang merupakan penyebab penyakit ensefalitis peradangan otak juga ditularkan oleh nyamuk. Intracellular cleavage of immature flaviviruses is a critical step in assembly that generates the membrane fusion potential of the e glycoprotein. Dengue is a global public health concern caused by four serotypes of the mosquitoborne dengue virus. Struktur virus partikel virus bervariasi dari segi ukuran, bentuk maupun komposisi kimiawinya. Peran vektor nyamuk terhadap penyakit demam dengue dan demam. Virus dengue denv telah menyebabkan sekitar 50 juta kasus infeksi demam berdarah setiap tahunnya, akan tetapi hingga saat ini belum terdapat vaksin. Feat provides insights into west nile, yellow fever and other flaviviruses. Virus zika menyebabkan penyakit zika zika disease atau demam zika zika fever. As shown in the animation, the outside of the dengue virus is made up of glycoproteins arranged in geometric patterns of two, three, and fivefold symmetry.
The 24 a resolution cryoem reconstruction of dengue virus particles figure 1a assumed icosahedral symmetry. Ukuran virus kita dapat merasakan kalau tubuh kita sakit karena terserang virus tanpa dapat diketahui bagaimana virus tersebut masuk kedalam tubuh hal ini karena ukuran virus sangat kecil. Nevertheless, scientists understanding of dengue virus may be simplistic, as rather than distinct antigenic groups, a continuum appears to exist. The highest risk months for je transmission are august, september and early october. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of climate. Penjelasan virus dbd dengue lengkap generasi biologi.
Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. Summary much remains to be learned about the pathogenesis of the different manifestations of dengue virus denv infections in humans. Virus adalah sejarah, ciri, struktur, reproduksi, penyakit. A t164s mutation in the dengue virus ns1 protein is. A mosquito can become infected with dengue virus by biting a person that has dengue virus in their blood, which is typically a 5 day period during the middle of the illness when large amounts of dengue virus are present in the infected persons blood. Dengue virus affects hundreds of millions of people each year around the world, causing a tremendous social and economic impact on affected countries. Demam berdarah dengue dbd atau dengue hemorrhagic fever dhf disebabkan oleh infeksi. Pemeriksaan ns1 untuk diagnosis demam berdarah dengue. Demam berdarah atau demam dengue disingkat dbd adalah infeksi yang disebabkan oleh virus dengue. This virus structure is a conventional icosahedral or helical structure that is surrounded by a lipid bilayer membrane, meaning the virus is encased or enveloped.
It is caused by the 4 serotype of dengue virus and is transmitted with in human through female aedes mosquito. As the disease spreads to new geographical areas, the frequency of the. Here, realtime molecular assays have proven useful but have limitations, whereas elisas that detect antibodies are still favored but results are obtained too late to be of clinical value. Cryoem structure of an antibody that neutralizes dengue. Dengue virus is a major threat to health in tropical countries around the world. The virus is maintained in an enzootic cycle between mosquitoes and amplifying vertebrate hosts mainly pigs. Demam berdarah wikipedia bahasa indonesia, ensiklopedia. Dengue disease varies from mild fever to severe conditions of dengue hemorrhagic fever and shock syndrome. Struktur antingen ke4 serotipe ini sangat mirip satu dengan yang lain, namun antibodi terhadap masing masing tipe virus tidak dapat saling memberikan perlindungan silang.
Four distinct serotypes of the dengue virus dengue 1, dengue 2, dengue 3, and dengue 4 exist, with numerous virus strains found worldwide. Pdf on jul 12, 2016, reni herman and others published analisis struktur protein selubung virus dengue serotipe 3 pada genotipe yang. Soal dan pembahasan tentang virus pilihan ganda biologi. Demam dengue juga disebut sebagai breakbone fever atau bonebreak fever demam sendi karena dapat menyebabkan penderitanya mengalami nyeri hebat seakanakan tulang mereka patah. Antigen ini dihasilkan oleh virus pada hari pertama demam dan turun sampai tidak terdeteksi kadarnya pada hari ke 56, sehingga ditemukannya ns1 pada darah kita merupakan salah satu. The proper management of patients infected with dengue virus requires early detection. Serotipo 5 dengue nikos vasilakis, phd of the university of texas medical branch in galveston announced the findings at a recent conference in bangkok. With cryoelectron microscopy we show that the immature dengue particles undergo a reversible conformational change at low ph that renders them accessible to furin cleavage. Struktur berbeda dengan sel dan tidak melakukan metabolisme sel. Dalam sistem ilmiah yang menamakan dan mengklasifikasikan virus, virus dengue tersebut merupakan bagian dari famili flaviviridae dan genus flavivirus. Demam berdarah wikipedia bahasa indonesia, ensiklopedia bebas. Surprising new dengue virus throws a spanner in disease control efforts. If you think you have dengue pdf icon pdf 1 page see a healthcare provider if you develop a fever or have symptoms of dengue.
Analisa genetik menunjukkan bahwa pada beberapa kasus perbedaan pada kompetensi vektor dapat ditelusuri melalui variasi genetik meliputi struktur genetik, phylogeography, aliran gen dan differensiasi antar dan inter populasi. Severe dengue is characterized by hypotension from vasculopathyassociated plasma leakage, internal hemorrhage, and organ dysfunction. As both cell tropism and tissue tropism of denv are considered major determinants in the pathogenesis of dengue. As a member of the wwpdb, the rcsb pdb curates and annotates pdb data according to agreed upon standards. Dengue, dengue fever df, dengue hemorrhagic fever dhf, dengue shock syndrome dss s new who classification categorizes dengue into dengue, with and without warning signs, and severe. Bagian envelope tersusun atas spika dari dimer protein envelope berupa protein e, yang tersusun dalam bentuk glikoprotein sehingga disebut glikoprotein e. Opening doors to the possibility of developing new vaccines and antiviral agents to fight a host of insectborne diseases, scientists have, for the first time, determined the structure of a family of viruses known as the flaviviruses. The other three viruses, den2, den3, and den4, are closely related to den1, but are not recognized as the same virus by.
Dengue viruses denv consist of 4 serotypes and each of serotype is divided in several genotypes based on the envelope gene. Morfologi virus dbd dengue adalah famili dari flaviviridae flavivirus yang memiliki envelope berbentuk ikosahedral dengan diameter 500 a dan termasuk virus ssrna single strand rna. Beberapa jenis nyamuk menularkan atau menyebarkan virus dengue. Protein e memiliki peranan dalam mengenal sel inang. Jan 02, 2018 karakteristik dan struktur virus terdiri dari kepala virus, leher virus, dan ekor virus. Virus zika adalah virus yang penyebarannya terjadi melalui perantara gigitan nyamuk, terutama spesies aedes aegypti. Dengue and zika viruses are closely related mosquitoborne flaviviruses with similar transmission cycles, distribution throughout the tropics, and disease manifestations 1,2. Dengue virus infection in africa endemic areas of asia and the americas 19. Several hundred thousand severe dengue cases occur annually with an estimated 40% of the worlds population at risk of infection. Sep 07, 20 a presentation on dengue virus structure, how the virus attacks and spreads in the body, role of heterocyclic drugs in inhibiting the virus and our experiments slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Virus hanya memiliki salah satu asam nukleat dna atau rna, tidak keduanya. Fungsi utama protein yang di miliki oleh virus adalah sebagai alat. Struktur virus dengue sendiri mempunyai peranannya masingmasing dan sangat penting. Dengue virus sebagai penyebab infeksi virus dengue memiliki variasi tampilan. Dengue and zika virus diagnostic testing for patients with. A risk to anyone traveling to a tropical or subtropical region of the world where dengue virus is found.
The rcsb pdb also provides a variety of tools and resources. Contohnya adalah ebola virus, rabies virus, influenza virus, dan marburg virus. This was readily justified by the convergence of stable values for angles defining particle orientations, acceptable correlation coefficients, and the good agreement between reconstructions of two independent data sets to at least 24 a resolution. They may range from subclinical infection to dengue fever, dengue hemorrhagic fever dhf, and eventually dengue shock syndrome dss. Virus adalah parasit berukuran mikroskopik yang menginfeksi sel organisme biologis. Jelaskan bahwa sampai saat ini belum ada obat khusus anti virus dan vaksin untuk pencegahan penyakit ini. Mosquitoborne dengue virus denv is a growing public health threat. Although the four dengue viruses are the predominant flaviviruses transmitted by aedes mosquitoes in the tropics and subtropics, the recent emergence of zika virus has complicated diagnostic testing. Virus hanya dapat bereproduksi di dalam material hidup dengan menginvasi dan memanfaatkan sel makhluk hidup karena virus tidak memiliki perlengkapan. Jelaskan sifat sifat nyamuk penular dan siklus hidupn ya aedes aegypti, aedes albopictus c.
In venezuela, the dengue virus serotypes 1, clwsico and 4 are endemic, they circulate simultaneously throughout the year in the largest cities 3however severe epidemics of dengue or dhf in venezuela have been shown to be the result of the introduction of dengue virus. Dengue virus 1 den1 was first discovered in japan in the 1940s. Structural proteomics of dengue virus sciencedirect. Dengue virus denv, the causative agent of these diseases is continuing to spread and has emerged as a significant health threat throughout the world 1, 2. Setelah virus menginfeksi satu sel anda virua akan mulai meniru. Struktur antigen ke 4 serotipe ini sangat mirip satu dengan yang lain. Dengue virus denv is responsible for the clinical entity known as dengue that is a great concern for economy and public health of tropical countries.
Lokasi geografi dapat mempengaruhi variasi genetik. However, to date neither vaccine nor medicine could be used to prevent or cure the illness. Each year, an estimated 390 million people are infected. Dengue fever is a virus transmitted to humans through bites from the aedes mosquito, a daybiting mosquito. May 19, 2017 meskipun ukuran virus sangat kecil sekali bukan berarti virus tidak memiliki struktur tubuh yang jelas. Nah dalam artikel kali ini akan membahas secara lengkap mengenai ukuran virus, macammacam bentuk virus, bagianbagian tubuh virus dan fungsinya. Dengue fever is common in tropical areas, so take extra precautions if you travel somewhere with this type of. Contohnya, flavivirus virus dengue yang merupakan virus penyebab penyakit demam kuning atau demam berdarah pada manusia, virus ini membutuhkan vektor nyamuk aedes aegypti. Virus dengue menempati urutan kedelapan sebagai penyebab kesakitan di negaranegara kawasan asia. The production of denv ns1 peaks early during infection and its detection can combine the advantages of.
A presentation on dengue virus structure, how the virus attacks and spreads in the body, role of heterocyclic drugs in inhibiting the virus and our experiments slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Virus dengue merupakan virus rna untai tunggal, genus flavivirus, terdiri dari 4 serotipe yaitu den1, den2, den3 dan den4. Nearly 400 million people are infected annually, and no vaccine is currently available. The flavivirus family can be subdivided into three genera. Matthew henn1, irene bosch2, and eva harris3 in collaboration with the genomic resources in dengue consortium grid 1broad institute. Virus zika pengertian, penyebab, struktur, gambar dan perawatan. Molecular cloning methods have led to a greater understanding of the structure of the rna genome and definition of virus specific structural and nonstructural proteins. Virus berasal dari kata latin yang penjelasan dengan lengkap berbagai istilah dengan bahasa yang mudah dipahami. Dengue is a highly endemic infectious disease of the tropical countries and is rapidly becoming a global burden.
1504 1082 429 673 219 142 741 1103 148 695 787 143 827 1338 441 155 1483 89 825 587 988 1193 401 1345 1356 256 1180 1375 300 1042 674 1076