Dataset Information

Dataset on ecological fiscal transfers and municipal protected areas in the state of Minas Gerais, Brazil.

ABSTRACT: This dataset was collected in the state government of Minas Gerais, Brazil (Instituto Estadual de Florestas), regulatory deliberation 86/2005 of the state of Minas Gerais, law 12040/1995 of the state of Minas Gerais, law 18030/2009 of the state of Minas Gerais, Brazilian law 9985/2000, and some laws/decrees that created municipal protected areas. The data was used to analyze the influence of the ecological fiscal transfers (EFT) in the policy-making process of adopting protected areas by municipal governments in the state of Minas Gerais. It has the potential to be reused in other studies to analyze the EFT at the local level. The related research article that uses this database was published under the title "Ecological Fiscal Transfers for Biodiversity Conservation Policy: A Transaction Costs Analysis of Minas Gerais, Brazil" [1].

SUBMITTER: de Paulo FLL

PROVIDER: S-EPMC6806474 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Dataset on ecological fiscal transfers and municipal protected areas in the state of Minas Gerais, Brazil.

de Paulo Felipe Luiz Lima FLL Camões Pedro Jorge Sobral PJS

Data in brief 20191003

This dataset was collected in the state government of Minas Gerais, Brazil (<i>Instituto Estadual de Florestas</i>), regulatory deliberation 86/2005 of the state of Minas Gerais, law 12040/1995 of the state of Minas Gerais, law 18030/2009 of the state of Minas Gerais, Brazilian law 9985/2000, and some laws/decrees that created municipal protected areas. The data was used to analyze the influence of the ecological fiscal transfers (EFT) in the policy-making process of adopting protected areas by ...[more]

PMID: 31656837

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Project description:Brazil accounted for a total number of 1,276,194 reported cases of chikungunya fever between 2014 and 2022. Additionally, since 2015, the country has experienced an increasing death toll, in which the Northeast and Southeast regions appear to report the worst scenarios. Although the CHIKV transmission dynamics have been studied in many parts of the country since its introduction in 2014, little is still known about chikungunya virus (CHIKV) transmission and genetic diversity in the state of Minas Gerais, located in southeast Brazil. Moreover, no studies have been published characterizing CHIKV genomic surveillance in this state. Thus, to retrospectively explore the CHIKV epidemic in Minas Gerais, we generated 40 genomes from clinical samples using Nanopore sequencing. Phylogenetic analysis indicated that multiple introductions of CHIKV occurred, likely from the northeastern Brazilian states, with the most recent common ancestral strain dating to early March 2016, which is in agreement with local epidemiological reports. Additionally, epidemiological data reveals a decline in the number of reported cases from 2017 to 2021, indicating that population immunity or changes in vector activity may have contributed to the decreasing waves of CHIKV infection. Together, our results shed light on the dispersion dynamics of CHIKV and show that infections decreased from March 2017 to January 2021 despite multiple introductions into Minas Gerais State. In conclusion, our study highlights the importance of combining genomic and epidemiological data in order to assist public health laboratories in monitoring and understanding the patterns and diversity of mosquito-borne viral epidemics. IMPORTANCE Arbovirus infections in Brazil, including chikungunya, dengue, yellow fever, and Zika, result in considerable morbidity and mortality and are pressing public health concerns. However, our understanding of these outbreaks is hampered by the limited availability of genomic data. In this study, we combine epidemiological analysis and portable genome sequencing to retrospectively describe the CHIKV epidemic in Minas Gerais between 2017 and 2021. Our results indicate that the East/Central/South African (ECSA) CHIKV lineage was introduced into Minas Gerais by three distinct events, likely from the North and Northeast regions of Brazil. Our study provides an understanding of how CHIKV initiates transmission in the region and illustrates that genomics in the field can augment traditional approaches to infectious disease surveillance and control.

Project description:BackgroundSchistosomiasis a neglected tropical disease endemic in Brazil. It is caused by the trematode Schistosoma mansoni, which is transmitted by snails of the genus Biomphalaria. Among measures used to control and eliminate schistosomiasis, accurate mapping and monitoring of snail breeding sites are recommended. Despite the limitations of parasitological methods, they are still used to identify infected snails. Loop-mediated isothermal amplification (LAMP) is a sensitive, rapid, and cost-effective diagnostic method for the identification of infected snails. In the work reported here, we aimed to validate the use of LAMP for the detection of S. mansoni in snails of the genus Biomphalaria.MethodsSnails were collected in five municipalities of the Mucuri Valley and Jequitinhonha Valley regions in the state of Minas Gerais, Brazil. Snails were pooled according to collection site and then squeezed for the detection of S. mansoni and other trematode larvae. Pooled snails were subjected to pepsin digestion and DNA extraction. Molecular assays were performed for species-specific identification and characterization of the samples. A previously described LAMP assay was adapted, evaluated, and validated using laboratory and field samples.ResultsUsing the parasitological method described here, S. mansoni cercariae were detected in snails from two collection sites, and cercariae of the family Spirorchiidae were found in snails from one site. The snails were identified by polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP). Biomphalaria glabrata, the main snail host of S. mansoni in Brazil, was detected in 72.2% of the collection sites. Biomphalaria kuhniana, which is resistant to S. mansoni infection, was found in the remaining sites. Multiplex, low stringency (LS), and conventional PCR allowed the detection of positive snails in four additional sites. Trematodes belonging to the families Strigeidae and Echinostomatidae were detected by multiplex PCR in two sites. The LAMP assay was effective in detecting the presence of S. mansoni infection in laboratory (7 days post-infection) and field samples with no cross-reactivity for other trematodes. When compared to LS and conventional PCR, LAMP showed 100% specificity, 85.7% sensitivity, and a κ index of 0.88.ConclusionsOur findings suggest that LAMP is a good alternative method for the detection and monitoring of transmission foci of S. mansoni, as it was three times as effective as the parasitological examination used here for the detection of infection, and is more directly applicable in the field than other molecular techniques.

Dataset Information

Dataset on ecological fiscal transfers and municipal protected areas in the state of Minas Gerais, Brazil.

Publications

Dataset on ecological fiscal transfers and municipal protected areas in the state of Minas Gerais, Brazil.

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