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Prado AF, Prist PR, Mucci LF, de Freitas PD. Ecological Requirements for Abundance and Dispersion of Brazilian Yellow Fever Vectors in Tropical Areas. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:609. [PMID: 38791823 PMCID: PMC11120827 DOI: 10.3390/ijerph21050609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/01/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
In the Americas, wild yellow fever (WYF) is an infectious disease that is highly lethal for some non-human primate species and non-vaccinated people. Specifically, in the Brazilian Atlantic Forest, Haemagogus leucocelaenus and Haemagogus janthinomys mosquitoes act as the major vectors. Despite transmission risk being related to vector densities, little is known about how landscape structure affects vector abundance and movement. To fill these gaps, we used vector abundance data and a model-selection approach to assess how landscape structure affects vector abundance, aiming to identify connecting elements for virus dispersion in the state of São Paulo, Brazil. Our findings show that Hg. leucocelaenus and Hg. janthinomys abundances, in highly degraded and fragmented landscapes, are mainly affected by increases in forest cover at scales of 2.0 and 2.5 km, respectively. Fragmented landscapes provide ecological corridors for vector dispersion, which, along with high vector abundance, promotes the creation of risk areas for WYF virus spread, especially along the border with Minas Gerais state, the upper edges of the Serra do Mar, in the Serra da Cantareira, and in areas of the metropolitan regions of São Paulo and Campinas.
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Affiliation(s)
- Amanda Francisco Prado
- Department of Genetics and Evolution, Center for Biological and Health Sciences, Federal University of São Carlos, Rodovia Washington Luis km 235, São Carlos 13565-905, SP, Brazil;
| | | | - Luis Filipe Mucci
- Taubaté Regional Lab., State Department of Health of São Paulo, Instituto Pasteur, Pça. Coronel Vitoriano, 23, Taubate 12020-020, SP, Brazil;
| | - Patrícia Domingues de Freitas
- Department of Genetics and Evolution, Center for Biological and Health Sciences, Federal University of São Carlos, Rodovia Washington Luis km 235, São Carlos 13565-905, SP, Brazil;
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2
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de Souza WM, Weaver SC. Effects of climate change and human activities on vector-borne diseases. Nat Rev Microbiol 2024:10.1038/s41579-024-01026-0. [PMID: 38486116 DOI: 10.1038/s41579-024-01026-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 03/18/2024]
Abstract
Vector-borne diseases are transmitted by haematophagous arthropods (for example, mosquitoes, ticks and sandflies) to humans and wild and domestic animals, with the largest burden on global public health disproportionately affecting people in tropical and subtropical areas. Because vectors are ectothermic, climate and weather alterations (for example, temperature, rainfall and humidity) can affect their reproduction, survival, geographic distribution and, consequently, ability to transmit pathogens. However, the effects of climate change on vector-borne diseases can be multifaceted and complex, sometimes with ambiguous consequences. In this Review, we discuss the potential effects of climate change, weather and other anthropogenic factors, including land use, human mobility and behaviour, as possible contributors to the redistribution of vectors and spread of vector-borne diseases worldwide.
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Affiliation(s)
- William M de Souza
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky, College of Medicine, Lexington, KY, USA
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- Global Virus Network, Baltimore, MD, USA
| | - Scott C Weaver
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA.
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA.
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA.
- Global Virus Network, Baltimore, MD, USA.
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Ojianwuna CC, Enwemiwe VN, Egwunyenga AO, Agboro A, Owobu E. Sampling efficiency and screening of Aedes albopictus for yellow fever virus in Niger Delta region of Nigeria. Pan Afr Med J 2024; 47:120. [PMID: 38828420 PMCID: PMC11143074 DOI: 10.11604/pamj.2024.47.120.39462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 03/12/2024] [Indexed: 06/05/2024] Open
Abstract
Introduction Aedes albopictus, like Aedes aegypti, is a virulent vector of arboviruses especially the well-documented spread of yellow fever around the world. Although yellow fever is prevalent in Nigeria, there is a paucity of information in the Niger Delta region on the distribution of Aedes mosquito vectors and molecular detection of the virus in infected mosquitoes. This study sampled Aedes mosquitoes around houses associated with farms from four communities (Otolokpo, Ute-Okpu, Umunede, and Ute Alohen) in Ika North-East Local Government Area of Delta State, Nigeria. Methods various sampling methods were used in Aedes mosquito collection to test their efficacy in the survey. Mosquitoes in holding cages were killed by freezing and morphologically identified. A pool of 15 mosquitoes per Eppendorf tube was preserved in RNAi later for yellow fever virus screening. Two samples were molecularly screened for each location. Results seven hundred and twenty-five (725) mosquitoes were obtained from the various traps. The mean abundance of the mosquitoes was highest in m-HLC (42.9) compared to the mosquitoes sampled using other techniques (p<0.0001). The mean abundance of mosquitoes was lowest in Center for Disease Control (CDC) light traps without attractant (0.29). No yellow fever virus strain was detected in all the mosquitoes sampled at the four locations. Conclusion this study suggests that Aedes albopictus are the mosquitoes commonly biting around houses associated with farms. More so, yellow fever virus was not detected in the mosquitoes probably due to the mass vaccination exercise that was carried out the previous year in the study area. More studies are required using the m-HLC to determine the infection rate in this endemic area.
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Affiliation(s)
- Chioma Cynthia Ojianwuna
- Department of Animal and Environmental Biology, Faculty of Science, Delta State University, Abraka, Nigeria
| | - Victor Ngozi Enwemiwe
- Department of Animal and Environmental Biology, Faculty of Science, Delta State University, Abraka, Nigeria
| | - Andy Ogochukwu Egwunyenga
- Department of Animal and Environmental Biology, Faculty of Science, Delta State University, Abraka, Nigeria
| | - Akwilla Agboro
- Department of Animal and Environmental Biology, Faculty of Science, Delta State University, Abraka, Nigeria
| | - Emmanuel Owobu
- Department of Animal and Environmental Biology, Faculty of Science, Delta State University, Abraka, Nigeria
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Kuno G. Mechanisms of Yellow Fever Transmission: Gleaning the Overlooked Records of Importance and Identifying Problems, Puzzles, Serious Issues, Surprises and Research Questions. Viruses 2024; 16:84. [PMID: 38257784 PMCID: PMC10820296 DOI: 10.3390/v16010084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/12/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
In viral disease research, few diseases can compete with yellow fever for the volume of literature, historical significance, richness of the topics and the amount of strong interest among both scientists and laypersons. While the major foci of viral disease research shifted to other more pressing new diseases in recent decades, many critically important basic tasks still remain unfinished for yellow fever. Some of the examples include the mechanisms of transmission, the process leading to outbreak occurrence, environmental factors, dispersal, and viral persistence in nature. In this review, these subjects are analyzed in depth, based on information not only in old but in modern literatures, to fill in blanks and to update the current understanding on these topics. As a result, many valuable facts, ideas, and other types of information that complement the present knowledge were discovered. Very serious questions about the validity of the arbovirus concept and some research practices were also identified. The characteristics of YFV and its pattern of transmission that make this virus unique among viruses transmitted by Ae. aegypti were also explored. Another emphasis was identification of research questions. The discovery of a few historical surprises was an unexpected benefit.
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Affiliation(s)
- Goro Kuno
- Formerly at the Division of Vector-Borne Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO 80521, USA
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Gómez M, Martínez D, Páez-Triana L, Luna N, De Las Salas JL, Hernández C, Flórez AZ, Muñoz M, Ramírez JD. Characterizing viral species in mosquitoes (Culicidae) in the Colombian Orinoco: insights from a preliminary metagenomic study. Sci Rep 2023; 13:22081. [PMID: 38086841 PMCID: PMC10716246 DOI: 10.1038/s41598-023-49232-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023] Open
Abstract
Mosquitoes (Diptera: Culicidae) are primary vectors of arthropod-borne viruses (arboviruses) that pose significant public health threats. Recent advances in sequencing technology emphasize the importance of understanding the arboviruses and insect-specific viruses (ISVs) hosted by mosquitoes, collectively called the "virome". Colombia, a tropical country with favorable conditions for the development and adaptation of multiple species of Culicidae, offers a favorable scenario for the transmission of epidemiologically important arboviruses. However, entomovirological surveillance studies are scarce in rural areas of the country, where humans, mosquitoes, and animals (both domestic and wild) coexist, leading to a higher risk of transmission of zoonotic diseases to humans. Thus, our study aimed to perform a preliminary metagenomic analysis of the mosquitoes of special relevance to public health belonging to the genera Ochlerotatus, Culex, Limatus, Mansonia, Psorophora, and Sabethes, within a rural savanna ecosystem in the Colombian Orinoco. We employed third-generation sequencing technology (Oxford Nanopore Technologies; ONT) to describe the virome of mosquitoes samples. Our results revealed that the virome was primarily shaped by insect-specific viruses (ISVs), with the Iflaviridae family being the most prevalent across all mosquito samples. Furthermore, we identified a group of ISVs that were common in all mosquito species tested, displaying the highest relative abundance concerning other groups of viruses. Notably, Hanko iflavirus-1 was especially prevalent in Culex eknomios (88.4%) and Ochlerotatus serratus (88.0%). Additionally, other ISVs, such as Guadalupe mosquito virus (GMV), Hubei mosquito virus1 (HMV1), Uxmal virus, Tanay virus, Cordoba virus, and Castlerea virus (all belonging to the Negevirus genus), were found as common viral species among the mosquitoes, although in lower proportions. These initial findings contribute to our understanding of ISVs within mosquito vectors of the Culicidae family in the Eastern Plains of Colombia. We recommend that future research explore deeper into ISV species shared among diverse vector species, and their potential interactions with arboviruses. In addition, we also showed the need for a thorough exploration of the influence of local rural habitat conditions on the shape of the virome in mosquito vectors.
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Affiliation(s)
- Marcela Gómez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
- Grupo de Investigación en Ciencias Básicas (NÚCLEO), Facultad de Ciencias e Ingeniería, Universidad de Boyacá, Tunja, Colombia
| | - David Martínez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Luisa Páez-Triana
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Nicolás Luna
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | | | - Carolina Hernández
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | | | - Marina Muñoz
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia.
- Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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6
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Athni TS, Childs ML, Glidden CK, Mordecai EA. Temperature dependence of mosquitoes: comparing mechanistic and machine learning approaches. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.04.569955. [PMID: 38105988 PMCID: PMC10723351 DOI: 10.1101/2023.12.04.569955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Mosquito vectors of pathogens (e.g., Aedes , Anopheles , and Culex spp. which transmit dengue, Zika, chikungunya, West Nile, malaria, and others) are of increasing concern for global public health. These vectors are geographically shifting under climate and other anthropogenic changes. As small-bodied ectotherms, mosquitoes are strongly affected by temperature, which causes unimodal responses in mosquito life history traits (e.g., biting rate, adult mortality rate, mosquito development rate, and probability of egg-to-adult survival) that exhibit upper and lower thermal limits and intermediate thermal optima in laboratory studies. However, it remains unknown how mosquito thermal responses measured in laboratory experiments relate to the realized thermal responses of mosquitoes in the field. To address this gap, we leverage thousands of global mosquito occurrences and geospatial satellite data at high spatial resolution to construct machine-learning based species distribution models, from which vector thermal responses are estimated. We apply methods to restrict models to the relevant mosquito activity season and to conduct ecologically-plausible spatial background sampling centered around ecoregions for comparison to mosquito occurrence records. We found that thermal minima estimated from laboratory studies were highly correlated with those from the species distributions (r = 0.90). The thermal optima were less strongly correlated (r = 0.69). For most species, we did not detect thermal maxima from their observed distributions so were unable to compare to laboratory-based estimates. The results suggest that laboratory studies have the potential to be highly transportable to predicting lower thermal limits and thermal optima of mosquitoes in the field. At the same time, lab-based models likely capture physiological limits on mosquito persistence at high temperatures that are not apparent from field-based observational studies but may critically determine mosquito responses to climate warming.
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7
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Giovanetti M, Pinotti F, Zanluca C, Fonseca V, Nakase T, Koishi AC, Tscha M, Soares G, Dorl GG, Marques AEM, Sousa R, Adelino TER, Xavier J, de Oliveira C, Patroca S, Guimaraes NR, Fritsch H, Mares-Guia MA, Levy F, Passos PH, da Silva VL, Pereira LA, Mendonça AF, de Macêdo IL, Ribeiro de Sousa DE, Rodrigues de Toledo Costa G, Botelho de Castro M, de Souza Andrade M, de Abreu FVS, Campos FS, Iani FCDM, Pereira MA, Cavalcante KRLJ, de Freitas ARR, Campelo de Albuquerque CF, Macário EM, dos Anjos MPD, Ramos RC, Campos AAS, Pinter A, Chame M, Abdalla L, Riediger IN, Ribeiro SP, Bento AI, de Oliveira T, Freitas C, Oliveira de Moura NF, Fabri A, dos Santos Rodrigues CD, Dos Santos CC, Barreto de Almeida MA, dos Santos E, Cardoso J, Augusto DA, Krempser E, Mucci LF, Gatti RR, Cardoso SF, Fuck JAB, Lopes MGD, Belmonte IL, Mayoral Pedroso da Silva G, Soares MRF, de Castilhos MDMS, de Souza e Silva JC, Bisetto Junior A, Pouzato EG, Tanabe LS, Arita DA, Matsuo R, dos Santos Raymundo J, Silva PCL, Santana Araújo Ferreira Silva A, Samila S, Carvalho G, Stabeli R, Navegantes W, Moreira LA, Ferreira AGA, Pinheiro GG, Nunes BTD, de Almeida Medeiros DB, Cruz ACR, Venâncio da Cunha R, Van Voorhis W, Bispo de Filippis AM, Almiron M, Holmes EC, Ramos DG, Romano A, Lourenço J, Alcantara LCJ, Duarte dos Santos CN. Genomic epidemiology unveils the dynamics and spatial corridor behind the Yellow Fever virus outbreak in Southern Brazil. SCIENCE ADVANCES 2023; 9:eadg9204. [PMID: 37656782 PMCID: PMC10854437 DOI: 10.1126/sciadv.adg9204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 07/26/2023] [Indexed: 09/03/2023]
Abstract
Despite the considerable morbidity and mortality of yellow fever virus (YFV) infections in Brazil, our understanding of disease outbreaks is hampered by limited viral genomic data. Here, through a combination of phylogenetic and epidemiological models, we reconstructed the recent transmission history of YFV within different epidemic seasons in Brazil. A suitability index based on the highly domesticated Aedes aegypti was able to capture the seasonality of reported human infections. Spatial modeling revealed spatial hotspots with both past reporting and low vaccination coverage, which coincided with many of the largest urban centers in the Southeast. Phylodynamic analysis unraveled the circulation of three distinct lineages and provided proof of the directionality of a known spatial corridor that connects the endemic North with the extra-Amazonian basin. This study illustrates that genomics linked with eco-epidemiology can provide new insights into the landscape of YFV transmission, augmenting traditional approaches to infectious disease surveillance and control.
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Affiliation(s)
- Marta Giovanetti
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
- Department of Science and Technology for Humans and the Environment, Università of Campus Bio-Medico di Roma, Italy
| | | | - Camila Zanluca
- Laboratório de Virologia Molecular, Instituto Carlos Chagas/Fiocruz-PR, Curitiba, Paraná, Brazil
| | - Vagner Fonseca
- Organização Pan-Americana da Saúde/Organização Mundial da Saúde, Brasília, Distrito Federal, Brazil
| | - Taishi Nakase
- Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7BN, UK
| | - Andrea C. Koishi
- Laboratório de Virologia Molecular, Instituto Carlos Chagas/Fiocruz-PR, Curitiba, Paraná, Brazil
| | - Marcel Tscha
- Laboratório de Virologia Molecular, Instituto Carlos Chagas/Fiocruz-PR, Curitiba, Paraná, Brazil
| | - Guilherme Soares
- Laboratório de Virologia Molecular, Instituto Carlos Chagas/Fiocruz-PR, Curitiba, Paraná, Brazil
| | - Gisiane Gruber Dorl
- Laboratório de Virologia Molecular, Instituto Carlos Chagas/Fiocruz-PR, Curitiba, Paraná, Brazil
| | | | - Renato Sousa
- Laboratório de Patologia Veterinária, Hospital Veterinário UFPR, PR Brazil
| | - Talita Emile Ribeiro Adelino
- Laboratório Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Minas Gerais, Brazil
| | - Joilson Xavier
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
- Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Carla de Oliveira
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | | | - Natalia Rocha Guimaraes
- Laboratório Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Minas Gerais, Brazil
| | - Hegger Fritsch
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
- Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Flavia Levy
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Pedro Henrique Passos
- Coordenação Geral das Arboviroses, Secretaria de Vigilância em Saúde/Ministério da Saúde (CGARB/SVS-MS), Brasília, Distrito Federal, Brazil
| | | | - Luiz Augusto Pereira
- Laboratório Central de Saúde Pública Dr Giovanni Cysneiros, Goiânia, Goiás, Brazil
| | - Ana Flávia Mendonça
- Laboratório Central de Saúde Pública Dr Giovanni Cysneiros, Goiânia, Goiás, Brazil
| | - Isabel Luana de Macêdo
- Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF 70636- 200, Brazil
| | | | | | - Marcio Botelho de Castro
- Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF 70636- 200, Brazil
- Graduate Program in Animal Sciences, College of Agronomy and Veterinary Medicine, University of Brasília, Brasília, DF 70910-900, Brazil
| | - Miguel de Souza Andrade
- Baculovirus Laboratory, Department of Cell Biology, Institute of Biological Sciences, University of Brasilia, Brasília 70910-900, DF, Brazil
| | | | - Fabrício Souza Campos
- Institute of Basic Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre 90035-003, RS, Brazil
| | - Felipe Campos de Melo Iani
- Laboratório Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Minas Gerais, Brazil
| | - Maira Alves Pereira
- Laboratório Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | | | - Marlei Pickler Debiasi dos Anjos
- Laboratorio central de Saude Publica de Santa Catarina, Superintendência de Vigilância em Saúde – SES – Santa Catarina, South Brazil
| | - Rosane Campanher Ramos
- Laboratório Central de Saúde Pública do Estado do Rio Grande do Sul, Superintendência de Vigilância em Saúde – SES – Santa Catarina, South Brazil
| | | | - Adriano Pinter
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, 05508-000, Brazil
| | - Marcia Chame
- Oswaldo Cruz Foundation, Biodiversity, Wildlife Health Institutional Platform (PIBSS/Fiocruz), Rio de Janeiro, Brazil
| | - Livia Abdalla
- Oswaldo Cruz Foundation, Biodiversity, Wildlife Health Institutional Platform (PIBSS/Fiocruz), Rio de Janeiro, Brazil
| | | | - Sérvio Pontes Ribeiro
- Laboratory of Ecology of Diseases & Forests, NUPEB/ICEB, Federal University of Ouro Preto, Minas Gerais, Brazil
| | - Ana I. Bento
- Pandemic Prevention Initiative, The Rockefeller Foundation, Washington DC, USA
| | - Tulio de Oliveira
- School for Data Science and Computational Thinking, Faculty of Science and Faculty of Medicine and Health Sciences, Stellenbosch University, South Africa
| | - Carla Freitas
- Secretaria de Vigilância em Saúde, SVS, Brazilian Ministry of Health, Brasilia, Federal District, Brazil
| | | | - Allison Fabri
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | | | | | | | - Edmilson dos Santos
- Secretaria Estadual de Saúde do Rio Grande do Sul, Centro Estadual de Vigilância em Saúde, Porto Alegre, RS, Brazil
| | - Jader Cardoso
- Secretaria Estadual de Saúde do Rio Grande do Sul, Centro Estadual de Vigilância em Saúde, Porto Alegre, RS, Brazil
| | - Douglas Adriano Augusto
- Plataforma Institucional Biodiversidade e Saúde Silvestre - Centro de Informação em Saúde Silvestre (CISS) - Fiocruz/RJ, Avenida Brasil, 4365. Manguinhos - Rio de Janeiro - RJ Cep: 21.040-360
| | - Eduardo Krempser
- Plataforma Institucional Biodiversidade e Saúde Silvestre - Centro de Informação em Saúde Silvestre (CISS) - Fiocruz/RJ, Avenida Brasil, 4365. Manguinhos - Rio de Janeiro - RJ Cep: 21.040-360
| | - Luís Filipe Mucci
- Secretaria da Saúde (São Paulo - Estado), Av Dr. Enéas Carvalho de Aguiar, 188 - Cerqueira César, São Paulo - SP, 05403-000, Brazil
- Coordenadoria de Controle de Doenças (CCD), Av. Dr. Enéas Carvalho de Aguiar, 188 - Cerqueira César, São Paulo - SP, 05403-000, Brazil
- Instituto Pasteur (IP), Av. Paulista, 363 Cerqueira Cesar – São Paulo- SP – CEP:01311-000
| | - Renata Rispoli Gatti
- Secretaria de Estado da Saude de Santa Catarina, R. Esteves Júnior, 160 - Centro, Florianópolis - SC, 88015-130, Brazil
| | - Sabrina Fernandes Cardoso
- Secretaria de Estado da Saude de Santa Catarina, R. Esteves Júnior, 160 - Centro, Florianópolis - SC, 88015-130, Brazil
- Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina (UFSC), Florianópolis, Brazil
| | - João Augusto Brancher Fuck
- Diretoria de Vigilância Epidemiológica da Secretaria de Estado da Saúde de Santa Catarina, R. Esteves Júnior, 160 - Centro, Florianópolis - SC, 88015-130, Brazil
| | - Maria Goretti David Lopes
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Ivana Lucia Belmonte
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | | | | | | | | | - Alceu Bisetto Junior
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Emanuelle Gemin Pouzato
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Laurina Setsuko Tanabe
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Daniele Akemi Arita
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Ricardo Matsuo
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | | | | | | | - Sandra Samila
- Secretaria de Estado da Saúde do Paraná, Brazil, R. Piquiri, 170 - Rebouças, Curitiba - PR, 80230-140
| | - Glauco Carvalho
- Laboratório Central de Saúde Pública do Estado de Minas Gerais, Fundação Ezequiel Dias, Belo Horizonte, Minas Gerais, Brazil
| | - Rodrigo Stabeli
- Organização Pan-Americana da Saúde/Organização Mundial da Saúde, Brasília, Distrito Federal, Brazil
| | - Wildo Navegantes
- Organização Pan-Americana da Saúde/Organização Mundial da Saúde, Brasília, Distrito Federal, Brazil
| | - Luciano Andrade Moreira
- Mosquitos Vetores: Endossimbiontes e Interação Patógeno-Vetor, Instituto René Rachou–Fiocruz, Belo Horizonte 30190-002, MG, Brazil
| | - Alvaro Gil A. Ferreira
- Mosquitos Vetores: Endossimbiontes e Interação Patógeno-Vetor, Instituto René Rachou–Fiocruz, Belo Horizonte 30190-002, MG, Brazil
| | | | | | | | | | | | - Wes Van Voorhis
- Center for Emerging and Re-emerging Infectious Diseases (CERID), University of Washington, Seattle, WA, USA
| | | | - Maria Almiron
- Pan American Health Organization/World Health Organization, Washington, DC, USA
| | - Edward C. Holmes
- Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences and School of Medical Sciences, University of Sydney, Sydney, NSW, Australia
| | - Daniel Garkauskas Ramos
- Coordenação Geral das Arboviroses, Secretaria de Vigilância em Saúde/Ministério da Saúde (CGARB/SVS-MS), Brasília, Distrito Federal, Brazil
| | - Alessandro Romano
- Coordenação Geral das Arboviroses, Secretaria de Vigilância em Saúde/Ministério da Saúde (CGARB/SVS-MS), Brasília, Distrito Federal, Brazil
| | - José Lourenço
- BioISI (Biosystems and Integrative Sciences Institute), Faculdade de Ciências da Universidade de Lisboa, Campo Grande, 1749-016 Lisboa Portugal
| | - Luiz Carlos Junior Alcantara
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
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8
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Machado SL, de Mello CF, Silva SOF, Alencar J. Ecobiology of Haemagogus leucocelaenus arbovirus vector in the golden lion tamarin translocation area of Rio de Janeiro, Brazil. Sci Rep 2023; 13:13129. [PMID: 37573396 PMCID: PMC10423267 DOI: 10.1038/s41598-023-39629-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/27/2023] [Indexed: 08/14/2023] Open
Abstract
Significant pathogens that have resurfaced in humans originate from transmission from animal to human populations. In the Americas, yellow fever cases in humans are usually associated with spillover from non-human primates via mosquitoes. The present study characterized the prevalence of the yellow fever vector Haemagogus leucocelaenus in Rio de Janeiro, Brazil. The Atlantic Forest fragment chosen is an area of translocation of the golden lion tamarin (Leontopithecus rosalia), where 10 ovitraps were installed to collect mosquito eggs in Fazenda Três Irmãos, at Silva Jardim city, from March 2020 to October 2022. A total of 1514 eggs were collected, of which 1153 were viable; 50% belonged to medically important mosquito species and 24% to the yellow fever vector species, Hg. leucocelaenus. The months of December 2020 (n = 252), November 2021 (n = 188), and January 2022 (n = 252) had the highest densities of this vector. Haemagogus leucocelaenus was positively correlated with temperature (r = 0.303) and humidity (r = 0.48), with eggs hatching up to the 15th immersion with higher abundance of females. Implementing mosquito monitoring for arbovirus activity can help protect both the golden lion tamarin and human populations from the threat of arbovirus transmission.
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Affiliation(s)
- Sergio Lisboa Machado
- Laboratory of Molecular Diagnosis and Hematology, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-901, Brazil
- Graduate Program in Animal Biology, Instituto de Biologia, Universidade Federal Rural do Rio de Janeiro, Seropédica, 23890-000, Brazil
| | | | | | - Jeronimo Alencar
- Diptera Laboratory, Instituto Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, 21040-360, Brazil.
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9
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Ogola EO, Bastos ADS, Rotich G, Kopp A, Slothouwer I, Omoga DCA, Sang R, Torto B, Junglen S, Tchouassi DP. Analyses of Mosquito Species Composition, Blood-Feeding Habits and Infection with Insect-Specific Flaviviruses in Two Arid, Pastoralist-Dominated Counties in Kenya. Pathogens 2023; 12:967. [PMID: 37513814 PMCID: PMC10386387 DOI: 10.3390/pathogens12070967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Insect-specific flaviviruses (ISFs), although not known to be pathogenic to humans and animals, can modulate the transmission of arboviruses by mosquitoes. In this study, we screened 6665 host-seeking, gravid and blood-fed mosquitoes for infection with flaviviruses and assessed the vertebrate hosts of the blood-fed mosquitoes sampled in Baringo and Kajiado counties; both dryland ecosystem counties in the Kenyan Rift Valley. Sequence fragments of two ISFs were detected. Cuacua virus (CuCuV) was found in three blood-fed Mansonia (Ma.) africana. The genome was sequenced by next-generation sequencing (NGS), confirming 95.8% nucleotide sequence identity to CuCuV detected in Mansonia sp. in Mozambique. Sequence fragments of a potential novel ISF showing nucleotide identity of 72% to Aedes flavivirus virus were detected in individual blood-fed Aedes aegypti, Anopheles gambiae s.l., Ma. africana and Culex (Cx.) univittatus, all having fed on human blood. Blood-meal analysis revealed that the collected mosquitoes fed on diverse hosts, primarily humans and livestock, with a minor representation of wild mammals, amphibians and birds. The potential impact of the detected ISFs on arbovirus transmission requires further research.
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Affiliation(s)
- Edwin O Ogola
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
- Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Pretoria 0028, South Africa
| | - Armanda D S Bastos
- Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Pretoria 0028, South Africa
| | - Gilbert Rotich
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
| | - Anne Kopp
- Institute of Virology, Charité Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Chariteplatz 1, 10117 Berlin, Germany
| | - Inga Slothouwer
- Institute of Virology, Charité Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Chariteplatz 1, 10117 Berlin, Germany
| | - Dorcus C A Omoga
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
- Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Pretoria 0028, South Africa
| | - Rosemary Sang
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
| | - Baldwyn Torto
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
- Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Pretoria 0028, South Africa
| | - Sandra Junglen
- Institute of Virology, Charité Universitätsmedizin Berlin, Corporate Member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of Health, Chariteplatz 1, 10117 Berlin, Germany
| | - David P Tchouassi
- International Centre of Insect Physiology and Ecology (icipe), Nairobi P.O. Box 30772-00100, Kenya
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10
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Martínez D, Gómez M, De Las Salas JL, Hernández C, Flórez AZ, Muñoz M, Ramírez JD. Employing Oxford Nanopore Technologies (ONT) for understanding the ecology and transmission dynamics of flaviviruses in mosquitoes (Diptera: Culicidae) from eastern Colombia. Acta Trop 2023:106972. [PMID: 37331645 DOI: 10.1016/j.actatropica.2023.106972] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/23/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
Studies focused on identifying the viral species of Flavivirus in vectors are scarce in Latin America and particularly in Colombia. Therefore, the frequency of infection of the Flavivirus genus and its feeding preferences were identified in the mosquito species circulating in the municipality of Puerto Carreño-Vichada, located in the Eastern Plains of Colombia. This was done by sequencing the viral NS5 and vertebrate 12S rRNA genes, respectively, using Oxford Nanopore Technologies (ONT). A total of 1,159 mosquitoes were captured, with the most abundant species being Aedes serratus at 73.6% (n=853). All the mosquitoes were processed in 230 pools (2-6 individuals) and 51 individuals, where 37.01% (n=104) were found to be infected with Flavivirus. In these samples, infection by arboviruses of epidemiological importance, such as dengue virus (DENV), Zika virus (ZIKV), and chikungunya virus (CHIKV), was ruled out by PCR. However, through sequencing, infection by different insect-specific viruses (ISFVs) and a medically important virus, West Nile virus (WNV), were identified in a mosquito of the Culex browni species. Additionally, the feeding patterns showed that most species present a generalist behavior. Given the above, conducting entomovirological surveillance studies is crucial, especially in areas of low anthropogenic intervention, due to the high probability that potentially pathogenic viruses could generate spillover events under deforestation scenarios.
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Affiliation(s)
- David Martínez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Marcela Gómez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia; Grupo de Investigación en Ciencias Básicas (NÚCLEO) Facultad de Ciencias e Ingeniería, Universidad de Boyacá, Tunja, Colombia
| | | | - Carolina Hernández
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia; Centro de Tecnología en Salud (CETESA), Innovaseq SAS, Bogotá, Colombia
| | | | - Marina Muñoz
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia.
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11
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Evolution and emergence of mosquito-borne viruses of medical importance: towards a routine metagenomic surveillance approach. JOURNAL OF TROPICAL ECOLOGY 2023. [DOI: 10.1017/s0266467423000019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Abstract
During the last two decades, the world has witnessed the emergence and re-emergence of arthropod-borne viruses, better known as arboviruses. The close contact between sylvatic, rural and peri-urban vector species and humans has been mainly determined by the environment-modifying human activity. The resulting interactions have led to multiple dead-end host infections and have allowed sylvatic arboviruses to eventually adapt to new vectors and hosts, contributing to the establishment of urban transmission cycles of some viruses with enormous epidemiologic impact. The metagenomic next-generation sequencing (NGS) approach has allowed obtaining unbiased sequence information of millions of DNA and RNA molecules from clinical and environmental samples. Robust bioinformatics tools have enabled the assembly of individual sequence reads into contigs and scaffolds partially or completely representing the genomes of the microorganisms and viruses being present in biological samples of clinical relevance. In this review, we describe the different ecological scenarios for the emergence of viral diseases, the virus adaptation process required for the establishment of a new transmission cycle and the usefulness of NGS and computational methods for the discovery and routine genomic surveillance of mosquito-borne viruses in their ecosystems.
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12
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Alexander J, Wilke ABB, Mantero A, Vasquez C, Petrie W, Kumar N, Beier JC. Using machine learning to understand microgeographic determinants of the Zika vector, Aedes aegypti. PLoS One 2022; 17:e0265472. [PMID: 36584050 PMCID: PMC9803113 DOI: 10.1371/journal.pone.0265472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 12/13/2022] [Indexed: 12/31/2022] Open
Abstract
There are limited data on why the 2016 Zika outbreak in Miami-Dade County, Florida was confined to certain neighborhoods. In this research, Aedes aegypti, the primary vector of Zika virus, are studied to examine neighborhood-level differences in their population dynamics and underlying processes. Weekly mosquito data were acquired from the Miami-Dade County Mosquito Control Division from 2016 to 2020 from 172 traps deployed around Miami-Dade County. Using random forest, a machine learning method, predictive models of spatiotemporal dynamics of Ae. aegypti in response to meteorological conditions and neighborhood-specific socio-demographic and physical characteristics, such as land-use and land-cover type and income level, were created. The study area was divided into two groups: areas affected by local transmission of Zika during the 2016 outbreak and unaffected areas. Ae. aegypti populations in areas affected by Zika were more strongly influenced by 14- and 21-day lagged weather conditions. In the unaffected areas, mosquito populations were more strongly influenced by land-use and day-of-collection weather conditions. There are neighborhood-scale differences in Ae. aegypti population dynamics. These differences in turn influence vector-borne disease diffusion in a region. These results have implications for vector control experts to lead neighborhood-specific vector control strategies and for epidemiologists to guide vector-borne disease risk preparations, especially for containing the spread of vector-borne disease in response to ongoing climate change.
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Affiliation(s)
- Jagger Alexander
- University of Miami Department of Public Health, Miami, FL, United States of America
- * E-mail:
| | - André Barretto Bruno Wilke
- Laboratory for Computational Epidemiology and Public Health, Department of Epidemiology and Biostatistics, Indiana University School of Public Health, Bloomington, IN, United States of America
| | - Alejandro Mantero
- University of Miami Department of Public Health, Miami, FL, United States of America
| | - Chalmers Vasquez
- Miami-Dade County Mosquito Control Division, Miami, FL, United States of America
| | - William Petrie
- Miami-Dade County Mosquito Control Division, Miami, FL, United States of America
| | - Naresh Kumar
- University of Miami Department of Public Health, Miami, FL, United States of America
| | - John C. Beier
- University of Miami Department of Public Health, Miami, FL, United States of America
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13
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Valejo ADB, Fabbri R, de Andrade Lopes A, Zhao L, de Oliveira MCF. Multilevel Coarsening for Interactive Visualization of Large Bipartite Networks. Front Res Metr Anal 2022; 7:855165. [PMID: 35782366 PMCID: PMC9244804 DOI: 10.3389/frma.2022.855165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 05/16/2022] [Indexed: 12/03/2022] Open
Abstract
Bipartite networks are pervasive in modeling real-world phenomena and play a fundamental role in graph theory. Interactive exploratory visualization of such networks is an important problem, and particularly challenging when handling large networks. In this paper we present results from an investigation on using a general multilevel method for this purpose. Multilevel methods on networks have been introduced as a general approach to increase scalability of community detection and other complex optimization algorithms. They employ graph coarsening algorithms to create a hierarchy of increasingly coarser (reduced) approximations of an original network. Multilevel coarsening has been applied, e.g., to the problem of drawing simple (“unipartite”) networks. We build on previous work that extended multilevel coarsening to bipartite graphs to propose a visualization interface that uses multilevel coarsening to compute a multi-resolution hierarchical representation of an input bipartite network. From this hierarchy, interactive node-link drawings are displayed following a genuine route of the “overview first, zoom and filter, details on demand” visual information seeking mantra. Analysts may depart from the coarsest representation and select nodes or sub-graphs to be expanded and shown at greater detail. Besides intuitive navigation of large-scale networks, this solution affords great flexibility, as users are free to select different coarsening strategies in different scenarios. We illustrate its potential with case studies involving real networks on distinct domains. The experimental analysis shows our strategy is effective to reveal topological structures, such as communities and holes, that may remain hidden in a conventional node-link layout. It is also useful to highlight connectivity patterns across the bipartite layers, as illustrated in an example that emphasizes the correlation between diseases and genes in genetic disorders, and in a study of a scientific collaboration network of authors and papers.
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Affiliation(s)
- Alan Demétrius Baria Valejo
- Department of Computing, Federal University of São Carlos, São Carlos, Brazil
- *Correspondence: Alan Demétrius Baria Valejo
| | - Renato Fabbri
- Department of Computer Science, Institute of Mathematics and Computer Science, University of São Paulo, São Carlos, Brazil
| | - Alneu de Andrade Lopes
- Department of Computer Science, Institute of Mathematics and Computer Science, University of São Paulo, São Carlos, Brazil
| | - Liang Zhao
- Department of Computing and Mathematics, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP), University of São Paulo, Ribeirão Preto, Brazil
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