Mini Review: Karyotypic Survey in Triatominae Subfamily (Hemiptera
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Vectors of Chagas Disease, and Implications for Human Health1
ZOBODAT - www.zobodat.at Zoologisch-Botanische Datenbank/Zoological-Botanical Database Digitale Literatur/Digital Literature Zeitschrift/Journal: Denisia Jahr/Year: 2006 Band/Volume: 0019 Autor(en)/Author(s): Jurberg Jose, Galvao Cleber Artikel/Article: Biology, ecology, and systematics of Triatominae (Heteroptera, Reduviidae), vectors of Chagas disease, and implications for human health 1095-1116 © Biologiezentrum Linz/Austria; download unter www.biologiezentrum.at Biology, ecology, and systematics of Triatominae (Heteroptera, Reduviidae), vectors of Chagas disease, and implications for human health1 J. JURBERG & C. GALVÃO Abstract: The members of the subfamily Triatominae (Heteroptera, Reduviidae) are vectors of Try- panosoma cruzi (CHAGAS 1909), the causative agent of Chagas disease or American trypanosomiasis. As important vectors, triatomine bugs have attracted ongoing attention, and, thus, various aspects of their systematics, biology, ecology, biogeography, and evolution have been studied for decades. In the present paper the authors summarize the current knowledge on the biology, ecology, and systematics of these vectors and discuss the implications for human health. Key words: Chagas disease, Hemiptera, Triatominae, Trypanosoma cruzi, vectors. Historical background (DARWIN 1871; LENT & WYGODZINSKY 1979). The first triatomine bug species was de- scribed scientifically by Carl DE GEER American trypanosomiasis or Chagas (1773), (Fig. 1), but according to LENT & disease was discovered in 1909 under curi- WYGODZINSKY (1979), the first report on as- ous circumstances. In 1907, the Brazilian pects and habits dated back to 1590, by physician Carlos Ribeiro Justiniano das Reginaldo de Lizárraga. While travelling to Chagas (1879-1934) was sent by Oswaldo inspect convents in Peru and Chile, this Cruz to Lassance, a small village in the state priest noticed the presence of large of Minas Gerais, Brazil, to conduct an anti- hematophagous insects that attacked at malaria campaign in the region where a rail- night. -
Universidade Federal Do Rio De Janeiro Centro De Ciências Matemáticas E Da Natureza Instituto De Química Laboratório De Bioquímica E Biologia Molecular De Vetores
Universidade Federal do Rio de Janeiro Centro de Ciências Matemáticas e da Natureza Instituto de Química Laboratório de Bioquímica e Biologia Molecular de Vetores NATHÁLIA FARO DE BRITO DESENVOLVIMENTO DE PROTOCOLO PARA A EXPRESSÃO HETERÓLOGA DE PROTEÍNAS: CLONAGEM E SEQUENCIAMENTO DA REGIÃO CODIFICANTE DE PROTEÍNA LIGADORA DE ODOR DE ANTENA DE Rhodnius prolixus Rio de Janeiro 2013 Nathália Faro de Brito DESENVOLVIMENTO DE PROTOCOLO PARA A EXPRESSÃO HETERÓLOGA DE PROTEÍNAS: CLONAGEM E SEQUENCIAMENTO DA REGIÃO CODIFICANE DE PROTEÍNA LIGADORA DE ODOR DE ANTENA DE Rhodnius prolixus Trabalho de conclusão de curso apresentado ao curso de Química com Atribuições Tecnológicas do Instituto de Química como requisito parcial à obtenção do título de Bacharel. Orientadora: Profa. Ana Claudia do Amaral Melo Co-Orientador: Prof. Anderson de Sá Pinheiro Rio de Janeiro 2013 FICHA CARTALOGRÁFICA B862 Brito, Nathália Faro. Desenvolvimento de protocolo para a expressão heteróloga de proteínas: Clonagem e sequenciamento da região codificante de proteína ligadora de odor de antena de Rhodnius prolixus / Nathália Faro de Brito. – Rio de Janeiro : UFRJ/IQ, 2013. Trabalho de Conclusão de Curso (Química com Atribuições Tecnológicas) – Universidade Federal do Rio de Janeiro, Instituto de Química, 2013. Orientadores: Ana Claudia do Amaral Melo e Anderson de Sá Pinheiro. 1. Rhodnius prolixus. 2. OBP. 3. Doença de Chagas. 4. Antenas. I. Melo, Ana Claudia do Amaral, (Orient.) II. Pinheiro, Anderson de Sá, (orient.). III. Universidade Federal do Rio de Janeiro. Instituto -
The Triatominae Species of French Guiana (Heteroptera: Reduviidae)
Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 104(8): 1111-1116, December 2009 1111 The triatominae species of French Guiana (Heteroptera: Reduviidae) Jean-Michel Bérenger1, 2/+, Dominique Pluot-Sigwalt1, Frédéric Pagès2, Denis Blanchet3, Christine Aznar3 1Muséum National d’Histoire Naturelle, Département Systématique & Evolution (Entomologie), 45 rue Buffon, 75005 Paris, France 2Institut de Médecine Tropicale du Service de Santé des Armées, Allée du Médecin Colonel Jamot, Marseille, France 3Laboratoire Hospitalier Universitaire de Parasitologie et Mycologie, UFR de Médecine, Université des Antilles et de la Guyane, Cayenne, Guyane Française An annotated list of the triatomine species present in French Guiana is given. It is based on field collections carried out between 1993-2008, museum collections and a literature review. Fourteen species, representing four tribes and six genera, are now known in this country and are illustrated (habitus). Three species are recorded from French Guiana for the first time: Cavernicola pilosa, Microtriatoma trinidadensis and Rhodnius paraensis. The two most common and widely distributed species are Panstrongylus geniculatus and Rhodnius pictipes. The presence of two species (Panstrongylus megistus and Triatoma maculata) could be fortuitous and requires confirmation. Also, the presence of Rhodnius prolixus is doubtful; while it was previously recorded in French Guiana, it was probably mistaken for R. robustus. A key for French Guiana’s triatomine species is provided. Key words: Heteroptera - Reduviidae - Triatominae - French Guiana Within the large family of Reduviidae, comprising Thus, during the last few decades, no precise investi- more than 6,000 known species (Maldonado Capriles gation has been conducted of the French Guiana’s triatom- 1990), one subfamily, the hematophagous Triatominae ine fauna [apart from the studies of Chippaux (1984) and is of great importance for human health because many Chippaux et al. -
Microtriatoma Trinidadensis (Lent, 1951) (Hemiptera, Reduviidae, Triatominae): First Record in the State of Amazonas, Brazil
15 4 NOTES ON GEOGRAPHIC DISTRIBUTION Check List 15 (5): 905–909 https://doi.org/10.15560/15.5.905 Microtriatoma trinidadensis (Lent, 1951) (Hemiptera, Reduviidae, Triatominae): first record in the state of Amazonas, Brazil Éder dos Santos Souza¹, Gersonval Leandro Silva Monte²,Vinícius Fernandes de Paiva³, Cleber Galvão4 1 Departamento Ciências Biológicas, Faculdade de Ciências Farmacêuticas, Universidade do Estado de São Paulo, Júlio de Mesquita Filho, Rodovia Araraquara Jaú, Km 01, Campos Ville, Araraquara, São Paulo, Postal code 14800-903, Brazil. 2 Instituto Nacional de Pesquisa da Amazonia, Avenida André Araújo, Manaus, Amazonas, Postal code 69067-375, Brazil. 3 Instituto de Biologia, Universidade Estadual de Campinas, bloco O, Avenida Bertrand Russel, Campinas, São Paulo, Postal code 13083-865, Brazil. 4 Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz, Fiocruz, Av. Brasil 4365, Pavilhão Rocha Lima, sala 505. Rio de Janeiro, RJ, 21040-360, Brazil. Corresponding author: Cleber Galvão, [email protected] Abstract Microtriatoma trinidadensis (Lent, 1951), previously known from Venezuela, Colombia, Suriname, Peru, Bolivia, and the Brazilian states of Mato Grosso, Pará, and Tocantins, is reported for the first time in Amazonas state, Brazil. We found in the collection of the Instituto Nacional de Pesquisas da Amazônia an unidentified female specimen of Microtriatoma. The specimen was collected in April 2010, in dried straw and foliage of açai palm, Euterpe precatoria Mart., from Monte Sião, municipality of Codajás, Amazonas state. Keywords Chagas disease, new record, triatomines. Academic editor: Hélcio Gil-Santana | Received 17 June 2019 | Accepted 12 August 2019 | Published 11 October 2019 Citation: Souza ES, Monte GLS, Paiva VF, Galvão C (2019) Microtriatoma trinidadensis (Lent, 1951) (Hemiptera, Reduviidae, Triatominae): first record in the state of Amazonas, Brazil. -
Tesis Dalmiro Cazorla 2.Pdf
TECANA AMERICAN UNIVERSITY ACCELERED DEGREE PROGRAM DOCTORATE OF SCIENCE IN BIOLOGY- PARASITOLOGY & MEDICAL ENTOMOLOGY INFORME Nº 2 “ENTOMOLOGÍA MÉDICA” “TRIATOMINAE de Venezuela: distribución geográfica, aspectos taxonómicos, biológicos e importancia médica” M. Sc. Dalmiro José Cazorla Perfetti. “Por la presente juro y doy fe que soy el único autor del presente informe y que su contenido es fruto de mi trabajo, experiencia e investigación académica”. Coro, 15 de Diciembre de 2.007 1 INDICE GENERAL Página LISTA DE FIGURAS……………….…………………………………….. 4 RESUMEN………………………………………………………………... 5 INTRODUCCIÓN…………………………………………………………. 6 CAPÍTULOS I ASPECTOS GENERALES DE LOS TRIATOMINOS……… 8 Aspectos históricos........................................................... 8 Aspectos taxonómicos.................................................... 9 Importancia médica de los triatominos……………………. 12 Situación de la enfermedad de Chagas en Venezuela…. 13 II TRIATOMINAE DE VENEZUELA……………………………. 15 Generalidades………………………............ 15 Aspectos taxonómicos y sistemáticos……………..... 15 Listado o catálogo actualizado de las especies triatominas descritas en Venezuela……………………………… 18 Alberprosenia goyovargasi………………………......... 18 Belminus pittieri……………………………………… 19 Belminus rugulosus………………………………… 20 Microriatoma trinidadensis …………………………… 21 Cavernicola pilosa ………………………………… 22 Torrealbaia martinezi ………………………………… 23 Psammolestes arthuri ………………………………… 24 Rhodnius brethesi ………………………………… 25 Rhodnius neivai ………………………………… 26 Rhodnius pictipes ………………………………… 28 Rhodnius prolixus- -
Trypanosoma Cruzi
ÉCOLE NATIONALE VÉTÉRINAIRE D’ALFORT Année 2008 Épidémiologie d’une zoonose, la trypanosomose américaine, et étude d’un moyen de lutte écologique THÈSE Pour le DOCTORAT VÉTÉRINAIRE Présentée et soutenue publiquement devant LA FACULTÉ DE MÉDECINE DE CRÉTEIL Le par M. Raymond George Whitham Né le 27 juillet 1950 à Plainfield, New Jersey, États-Unis JURY Président : Professeur à la Faculté de Médecine de Créteil Membres Directeur : M. Jean-Jacques Bénet Professeur à l’École Nationale Vétérinaire d’Alfort Assesseur : M. Jacques Guillot Professeur à l’École Nationale Vétérinaire d’Alfort LISTE DES MEMBRES DU CORPS ENSEIGNANT Directeur : M. le Professeur MIALOT Jean-Paul Directeurs honoraires : MM. les Professeurs MORAILLON Robert, PARODI André-Laurent, PILET Charles, TOMA Bernard Professeurs honoraires: MM. BUSSIERAS Jean, CERF Olivier, LE BARS Henri, MILHAUD Guy, ROZIER Jacques, CLERC Bernard DEPARTEMENT DES SCIENCES BIOLOGIQUES ET PHARMACEUTIQUES (DSBP) Chef du département : Mme COMBRISSON Hélène, Profess eur - Adjoint : Mme LE PODER Sophie, Maître de conférences - UNITE D’ANATOMIE DES ANIMAUX DOMESTIQUES - UNI TE D’HISTOLOGIE , ANATOMIE PATHOLOGIQUE Mme CREVIER-DENOIX Nathalie, Professeur M. C RESP EAU F rançois , Profess eur M. DEGUEURCE Christophe, Professeur* M. F ONTAINE Jean-Jacques , Profess eur * Mme R OBERT Céline, M aît re de conférences Mme BERNEX Florence, Maître de conférences M. CHATEAU Henry, Maître de conférences Mme CORDONNIER-LEFORT Nathalie, Maître de conférences - UNITE DE PATHOLOGIE GENERALE , MICROBIOLOGIE, - UNI TE DE VI RO LOGI E IMMUNOLOG IE M. ELOIT Marc, Professeur * Mme QUINTIN-COLONNA Françoise, Professeur* Mme LE PODER Sophie, Maître de conférences M. BOULOUIS Henri-Jean, Professeur M. FREYBURGER Ludovic, Maître de conférences - DISCIPLINE : PHYSIQUE ET CHIMIE BIOLOGIQUES ET MEDICALES - UNITE DE PHYSIOLOGIE ET THERAPEUTIQUE M. -
Arthropods of Public Health Significance in California
ARTHROPODS OF PUBLIC HEALTH SIGNIFICANCE IN CALIFORNIA California Department of Public Health Vector Control Technician Certification Training Manual Category C ARTHROPODS OF PUBLIC HEALTH SIGNIFICANCE IN CALIFORNIA Category C: Arthropods A Training Manual for Vector Control Technician’s Certification Examination Administered by the California Department of Health Services Edited by Richard P. Meyer, Ph.D. and Minoo B. Madon M V C A s s o c i a t i o n of C a l i f o r n i a MOSQUITO and VECTOR CONTROL ASSOCIATION of CALIFORNIA 660 J Street, Suite 480, Sacramento, CA 95814 Date of Publication - 2002 This is a publication of the MOSQUITO and VECTOR CONTROL ASSOCIATION of CALIFORNIA For other MVCAC publications or further informaiton, contact: MVCAC 660 J Street, Suite 480 Sacramento, CA 95814 Telephone: (916) 440-0826 Fax: (916) 442-4182 E-Mail: [email protected] Web Site: http://www.mvcac.org Copyright © MVCAC 2002. All rights reserved. ii Arthropods of Public Health Significance CONTENTS PREFACE ........................................................................................................................................ v DIRECTORY OF CONTRIBUTORS.............................................................................................. vii 1 EPIDEMIOLOGY OF VECTOR-BORNE DISEASES ..................................... Bruce F. Eldridge 1 2 FUNDAMENTALS OF ENTOMOLOGY.......................................................... Richard P. Meyer 11 3 COCKROACHES ........................................................................................... -
Example Insect Natural History Data
Example Insect Natural History Data These data were assembled by participants of a workshop held at the University of Florida from May 30 to June 1 of 2018. The data cover all five major insect orders (Coleoptera, Diptera, Hemiptera, Hymenoptera, Lepidoptera) and represent most of the various kinds of natural history information found on insect specimen labels. The data also include representative natural history information from literature sources and online databases. For more information about how these data were assembled and why, see Stucky et al. (2019) __________. Except for works in the public domain, data use licenses are as specified by the original data owners. Coleoptera Example 1 Taxonomy: Coleoptera: Buprestidae: Acmaeodera sp. Record type: database Life stage(s): adult Source: iNaturalist Record URL: https://www.inaturalist.org/observations/12840335 Comments and relevant content: "Feeding on wildflowers in an open meadow in the midlands of South Carolina." Example 2 Taxonomy: Coleoptera: Cerambycidae Record type: literature Source: Paro et al. (2011) Relevant text: "Table 1. Association between girdled and available host-plants (listed alphabetically) and Onciderini beetles in Serra do Japi from 2002 to 2006." The table gives the percentages of each plant species that were girdled along with associated beetle species. Example 3 Taxonomy: Coleoptera: Cerambycidae: Rhaesus serricollis Record type: literature Source: Sama et al. (2010) Relevant text: "Host plants: Polyphagous on deciduous trees like Platanus (Platanaceae), Ficus -
Dog-Vector-Parasite Interactions in the Chagas Disease System
DOG-VECTOR-PARASITE INTERACTIONS IN THE CHAGAS DISEASE SYSTEM: CARDIAC CLINIC STATUS OF NATURALLY-INFECTED DOGS ACROSS THE US A Dissertation by ALYSSA CATHERINE MEYERS Submitted to the Office of Graduate and Professional Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Chair of Committee, Sarah A. Hamer Committee Members, Gabriel Hamer Ashley Saunders Kevin Cummings Head of Department, C. Jane Welsh August 2019 Major Subject: Biomedical Sciences Copyright 2019 Alyssa Catherine Meyers ABSTRACT In the southern U.S., triatomine vectors maintain Trypanosoma cruzi- the protozoan parasite that causes Chagas disease in humans and animals- in sylvatic cycles. Infection with T. cruzi may be asymptomatic or lead to heart disease and death. Using dogs as a model host system, our objectives were to improve the ecological and clinical understanding of Chagas disease in the U.S. We collected 461 triatomines from Big Bend National Park from 2015- 2017 and found an overall infection prevalence of 23.1%. Blood meal analysis on 42 triatomines showed DNA evidence of humans, domestic animals, wild birds and mammalian wildlife. In 2015-17, we sampled 1,660 working dogs from 43 states using three independent serology assays to detect a seroprevalence of 7.3% (CI: 6.1-8.6%). To better characterize the cardiac outcomes in T. cruzi infected dogs we applied a 24-hour Holter monitor to 17 T. cruzi-infected, 18 uninfected dogs and 4 dogs with discordant serology results. The presence of ECG abnormalities varied by T. cruzi infection status (p<0.0001) and positive dogs had higher serum concentrations of cardiac troponin I (cTnI), a biomarker for cardiac injury, than both negative dogs (p=0.044) and discordant dogs (p=0.06). -
Catalog of the Entomologic Collections of the Faculty of Public Health of the University of Sao Paulo - (2Nd Series Ii): Triatominae (Hemiptera, Reduviidae)
ORIGINAL ARTICLE http://dx.doi.org/10.1590/S1678-9946201860022 Catalog of the entomologic collections of the Faculty of Public Health of the University of Sao Paulo - (2nd series ii): Triatominae (Hemiptera, Reduviidae) Daniel Pagotto Vendrami1, Mauro Toledo Marrelli2, Marcos Takashi Obara3, José Maria Soares Barata†, Walter Ceretti-Junior2 ABSTRACT This article reports a list with 912 specimens of the subfamily Triatominae deposited in the Entomological Collection of the Faculty of Public Health of the University of Sao Paulo. The collection is composed of 1 holotype, 3 alotypes, 15 paralectotypes, 77 paratypes, distributed in 5 tribes and 12 genera: Tribus Alberprosenini: genus Alberprosenia Martinez & Carcavallo, 1977; Tribus Bolboderini: genus Microtriatoma Prosen & Martinez, 1952; Tribus Cavernicolini: genus Cavernicola Barber, 1937; Tribus Rhodnini: genus Psammolestes Bergroth, 1941; genus Rhodnius Stal, 1859; Tribus Triatomini: genus Dipetalogaster Usinger 1939; genus Eratyrus Stal 1859; genus Hermanlentia Jurberg & Galvão, 1997; genus Linshcosteus Distant, 1904; 1944; genus Panstrongylus Berg 1879; genus Paratriatoma Barber 1938; genus Triatoma Laporte 1833. KEYWORDS: Hemiptera. Reduviidae. Triatominae. Types. Entomological collection. INTRODUCTION Carlos Chagas, in 1909, working in the city of Lassance, Minas Gerais, Brazil, identified the vector of Chagas disease, which until then was known asConorhinus megistus. Since that time, the number of described species of triatomines has 1Universidade de São Paulo, Instituto de been composed by 15 genera and 152 valid species, being two fossils (Triatoma Medicina Tropical de São Paulo, São Paulo, 1-5 São Paulo, Brazil dominicana Poinar, 2005 and Panstrongylus hispaniolae Poinar, 2013) . Collections of triatomine specimens have been reported by several 2Universidade de São Paulo, Faculdade researchers6-9. -
Atlas Iconográfico Dos Triatomíneos Do Brasil (Vetores Da Doença
ATLAS ICONOGRÁFICO DOS TRIATOMÍNEOS DO BRASIL (VETORES DA DOENÇA DE CHAGAS) Eisenberg, R & Franco, M. José Jurberg, Juliana M. S. Rodrigues, Felipe F. F. Moreira, Carolina Dale, Isabelle R. S. Cordeiro, Valdir D. Lamas Jr, Cleber Galvão & Dayse S. Rocha Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos Instituto Oswaldo Cruz – Rio de Janeiro 2014 ATLAS ICONOGRÁFICO DOS TRIATOMÍNEOS DO BRASIL (VETORES DA DOENÇA DE CHAGAS) José Jurberg, Juliana M. S. Rodrigues, Felipe F. F. Moreira, Carolina Dale, Isabelle R. S. Cordeiro, Valdir D. Lamas Jr, Cleber Galvão & Dayse S. Rocha Instituto Oswaldo Cruz Rio de Janeiro 2014 ATLAS ICONOGRÁFICO DOS TRIATOMÍNEOS DO BRASIL (VETORES DA DOENÇA DE CHAGAS) Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos Av. Brasil, 4365 – Manguinhos Rio de Janeiro, RJ – Brasil CEP: 21045-900 – Caixa Postal 926 Tel: (21) 2560-7317 José Jurberg – [email protected] Juliana M. S. Rodrigues – [email protected] Felipe F. F. Moreira – [email protected] Carolina Dale – [email protected] Isabelle R. S. Cordeiro – [email protected] Valdir D. Lamas Jr. – [email protected] Cleber Galvão – [email protected] Dayse S. Rocha – [email protected] Índice Introdução ..................................................................................................................................................................... 1 Captura, Conservação e Manutenção em Coleções Biológicas ............................................................................ -
A Heterogeneidade Dos Isolados Silvestres De Trypanosoma Cruzi (Zimodema Iii) Expressa Pelo Perfil De Suas Glicoproteínas De Superfície
INSTITUTO OSWALDO CRUZ Doutorado em Biologia Parasitária A HETEROGENEIDADE DOS ISOLADOS SILVESTRES DE TRYPANOSOMA CRUZI (ZIMODEMA III) EXPRESSA PELO PERFIL DE SUAS GLICOPROTEÍNAS DE SUPERFÍCIE. SIMONE AKEMI KIKUCHI Rio de Janeiro 2014 TESE DBP -IOC S.A.KIKUCHI 2014 INSTITUTO OSWALDO CRUZ Pós-Graduação em Biologia Parasitária A HETEROGENEIDADE DOS ISOLADOS SILVESTRES DE TRYPANOSOMA CRUZI (ZIMODEMA III) EXPRESSA PELO PERFIL DE SUAS GLICOPROTEÍNAS DE SUPERFÍCIE. SIMONE AKEMI KIKUCHI Orientadores: Dra. Jacenir Reis dos Santos Mallet RIO DE JANEIRO 2014 Ficha catalográfica elaborada pela Biblioteca de Ciências Biomédicas/ ICICT / FIOCRUZ - RJ K47 Kikuchi, Simone Akemi A heterogeneidade dos isolados silvestres de Trypanosoma Cruzi (zimodema III) expressa pelo perfil de suas glicoproteínas de superfície / Simone Akemi Kikuchi. – Rio de Janeiro, 2014. xiii, 110 f.: il. ; 30 cm. Tese(Doutorado) – Instituto Oswaldo Cruz, Pós-Graduação em Biologia Parasitária, 2014. Bibliografia: f. 85-110 1. Trypanosoma cruzi. 2. Zimodema III. 3. Glicoproteínas. 4. Proteoma. I. Título. CDD 616.9363 O presente trabalho foi realizado nos seguintes laboratórios: Laboratório Transmissores de Leishmanioses Instituto Oswaldo Cruz – Fiocruz/RJ Departamento de Entomologia Universidade Federal de São Paulo Departamento de Microbiologia Imunobiologia e Parasitologia Laboratório de Biologia Molecular Instituto Oswaldo Cruz – Fiocruz/RJ Departamento de Ultra Estrutura Celular e Biologia Celular Laboratorio de Genômica Funcional e Bioinformática Instituto Oswaldo Cruz – Fiocruz/RJ i Dedico a minha família e ao meu Marido Fabio, pela paciência , compreensão e apoio em todos os momentos. Obrigada! ii AGRADECIMENTOS Todo trabalho, quando chega ao fim, incorpora em torno de si uma história de vida de renúncia e abnegação do autor e dos seus familiares próximos, como também, da colaboração e apoio de pessoas, sem as quais, certamente não seria possível a sua realização.