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Trinomys, one of the most species-rich spiny rat genera in Brazil, is widely distributed in Caatinga, Cerrado and Atlantic Forest biomes, and currently includes ten recognized species, three of which are polytypic. Although some studies... more
Trinomys, one of the most species-rich spiny rat genera in Brazil, is widely distributed in Caatinga, Cerrado and Atlantic Forest biomes, and currently includes ten recognized species, three of which are polytypic. Although some studies employing molecular data have been conducted to better characterize phylogenetic relationships among species, 19 nominal taxa have been suggested, implying considerable incongruence regarding species boundaries. We addressed this incongruence by intensively sampling all species across the geographic distribution of the genus. In addition to publicly available data, we generated 182 mt-Cytb gene sequences, and employed phylogenetic and computational species delimitation methods to obtain a clearer picture of the genus diversity. Moreover, we evaluated populational diversity within each accepted species, considering their geographical distribution and a timescale for the evolution of the genus. Beyond confirming the general patterns described for the e...
<p>Species tree generated using Dataset 3. For more information please see Nascimento et al. Journal of Biogeography (Accepted for publication).</p
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different... more
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different Datasets see Nascimento et al. Journal of Biogeography (under review).</p
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different... more
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different Datasets see Nascimento et al. Journal of Biogeography (under review).</p
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different... more
<p>BEAST input file for Bayesian phylogenetic analysis for capuchin monkey species that simultaneously estimates the gene tree, the species tree and phylogeographic reconstructions. For more information regarding the different Datasets see Nascimento et al. Journal of Biogeography (under review).</p
<p>Gene tree using the cytochrome b for capuchin monkey species using Dataset 3. For more information see Nascimento et al. Journal of Biogeography (under review).</p
<p>Gene tree using the cytochrome b for capuchin monkey species using Dataset 2. For more information see Nascimento et al. Journal of Biogeography (under review).</p
<p>Gene tree using the cytochrome b for capuchin monkey species using Dataset 1. For more information see Nascimento et al. Journal of Biogeography (under review).</p
All files used in paper Nascimento et al. 2015 (42:1349–1357) Reanalysis of the biogeographical hypothesis of range expansion between robust and gracile capuchin monkeys. Journal of Biogeography (DOI: 10.1111/jbi.12448).
<p>DNA sequence alignment in nexus format for the cytochrome b using Dataset 3. For more information see Nascimento et al. Journal of Biogeography (under review).</p
A review of small non-volant mammal species of the APA Gama e Cabeça de Veado was carried out, including new surveys in the ââ?¬Å?Estação Ecológica do Jardim Botânicoââ?¬Â (EEJBB) and ââ?¬Å?Reserva Ecológica do Instituto Brasileiro de... more
A review of small non-volant mammal species of the APA Gama e Cabeça de Veado was carried out, including new surveys in the ââ?¬Å?Estação Ecológica do Jardim Botânicoââ?¬Â (EEJBB) and ââ?¬Å?Reserva Ecológica do Instituto Brasileiro de Geografia e Estatí­sticaââ?¬Â (REIBGE). Thirty-one small mammalââ?¬â?¢s species are registered for the APA Gama and Cabeça de Veado, including one exotic species. Didelphis albiventris, Hylaeamys megacephalus, and Oxymycterus delator were collected for the first time in EEJBB. The APA Gama-Cabeça de Veado has a central position in the Cerrado domain sharing six species with the Amazon domain, five with Atlantic Forest, and 13 with Caatinga. The APA Gama-Cabeça de Veado encompasses the home range of at least six non-volant small mammal species endemic of Cerrado domain, and it has an important role in the protection of these endemic species and species that occurs in those four South America morphoclimatic domains.
ABSTRACT On November 8th, 2012, the Brazilian Ministry of Environment (MMA), through The Chico Mendes Insti- tute of Biodiversity Conservation (ICMBio/MMA), issued the Circular Letter no. 01/2012/COINF/CGPEQ /DIBIO, regarding toe clipping... more
ABSTRACT On November 8th, 2012, the Brazilian Ministry of Environment (MMA), through The Chico Mendes Insti- tute of Biodiversity Conservation (ICMBio/MMA), issued the Circular Letter no. 01/2012/COINF/CGPEQ /DIBIO, regarding toe clipping as a method of individual iden- tification for studying small mammals, and requested expert opinion on the subject. We provide below the response we submitted to the Ministry, which is the official position of the Brazilian Society of Mammalogists (SBMz) on the subject.
Research Interests:
The spiny rat
We report two new localities for the rodent species Wiedomys cerradensis Gonçalves, Almeida and Bonvicino, 2005, previously known only from its type locality, in southwestern Bahia state, and one neighbor locality. Three new specimens... more
We report two new localities for the rodent species Wiedomys cerradensis Gonçalves, Almeida and Bonvicino, 2005, previously known only from its type locality, in southwestern Bahia state, and one neighbor locality. Three new specimens were collected along the Paranã River Valley, in the Goiás and Tocantins states, central Brazil. These records extend the range of this species to the northwest, approximately 190 km. We provide external and cranial measurements of these specimens and comment on their morphology. 
Zoonoses são doenças que são transmitidas de animais vertebrados para o homem e também do homem para os animais, principalmente quando seu ciclo ecológico é alterado, seja por intervenção natural ou pela intervenção humana. Incluem... more
Zoonoses são doenças que são transmitidas de animais vertebrados para o homem e também do homem para os animais, principalmente quando seu ciclo ecológico é alterado, seja por intervenção natural ou pela intervenção humana. Incluem doenças emergentes e reemergentes distribuídas mundialmente e de preocupação para a saúde pública, pois causam vários prejuízos e mortes na população humana. Estudos revelam que as zoonoses estão ligadas a várias espécies de mamíferos, incluindo os marsupiais, que atuam como hospedeiros de algumas destas doenças zoonóticas. Apesar da maioria dos estudos se concentrarem em marsupiais didelfídeos de porte maior, identificamos várias espécies de pequenos marsupiais dos gêneros Monodelphis, Marmosa (Marmosa), Marmosa (Micoureus), Gracilinanus e Thylamys como hospedeiras de agentes zoonóticos causadores de doenças, como toxoplasmose, leishmaniose, tripanossomíase, verminoses, coccidiose, arboviroses, microsporidiose, peste negra e fasciolíase, na América do Su...
Despite the relatively short history of the Brazilian Society of Mammalogy (SBMz) with its 31 years, some remarkable women made significant contributions, not only to the SBMz, but also to the Brazilian mammalogy in general. Even before... more
Despite the relatively short history of the Brazilian Society of Mammalogy (SBMz) with its 31 years, some remarkable women made significant contributions, not only to the SBMz, but also to the Brazilian mammalogy in general. Even before the consolidation of the SBMz, several women, regardless of their position in the society and academy, developed and participated in activities that were essential to the current knowledge on Neotropical mammalogy. To highlight the contributions of such women and her successors in Mammalogy, we describe the careers and accomplishments of 21 women in short biographical notes. Our selection includes women that worked from the early 20 th century until the beginnings of the 21 st century in two categories: SBMz's members and relevant non-members. We shall not forget the Archduchess Leopoldine of Austria, an educated and natural sciences enthusiast that, through her marriage with the Crown Prince D. Pedro I of Brazil, literally brought in her "wedding baggage" the opening to the natural history knowledge of Brazil in early XIX century. Resumo: Mulheres na mastozoologia brasileira: as pioneiras e a Sociedade Brasileira de Mastoozologia. Apesar da Sociedade Brasileira de Mastozoologia (SBMz) ser relativamente nova (31 anos), algumas mulheres notáveis fizeram significativas contribuições, não somente para a SBMz, mas para o estudo de mamíferos no Brasil, porém nunca receberam uma merecida homenagem. Ainda, antes da consolidação da SBMz, algumas delas, a despeito de sua posição na sociedade e na academia, desenvolveram ou participaram de atos que foram essenciais para o que hoje conhecemos sobre a Mastozoologia Neotropical. Para divulgar as contribuições dessas importantes mulheres na mastozoologia, nós elaboramos resumos biográficos de 21 delas, do início do século XX até o ano 2000, separando os registros entre membros da SBMz e aquelas que não são membros. Não podemos nos esquecer da Arquiduquesa Leopoldina da Áustria, uma mulher extremamente culta e interessada em ciências naturais, que no início do século XIX, através de seu casamento com o Príncipe-herdeiro D. Pedro I do Brasil, literalmente trouxe em sua bagagem de núpcias o que seria a abertura do Brasil para o conhecimento científico nas disciplinas da história natural. Palavras-Chave: Emilie Snethlage; Imperatriz Maria Leopoldina; Mastozoologia Neotropical; Pesquisa; Século XX. We delineated our essay to include pioneer women dedicated to studies on the Brazilian mammalian fauna and women that contributed to consolidate mammalogy in Brazil (several still contributing to this date). For the latter group, we have arbitrarily included those women with PhD completed until 2000 (four exceptions, being two PhDs, a collection manager and a noblewoman, are explained in the proper sections). Consequently, some important women were excluded, but were not forgotten. Some of the women mentioned herein suffered some kind of prejudice or harassment during their careers, as most women still do in most professions nowadays. In spite of that, they have become examples of successful women and here they are remembered for their great contribution to mammalogy in Brazil. We included, when possible, personal notes from our own experience or the experience of colleagues that have known, lived and/or worked with some of these exceptional women. The account was organized in chronological order of their graduation. Their professional information was taken from Plataforma Lattes (http://buscatextual.cnpq. br/buscatextual), or other sources when specified, and the cutoff date was May 2018, when the first draft of EnSAioS 128 Boletim da Sociedade Brasileira de Mastozoologia, 85: 128-143, 2019
A large geographic differentiation has been reported in Sylvilagus brasiliensis based on external characters of a small number of specimens. A new karyotype with 2n = 40 and FNa = 74 from Rio de Janeiro is herein reported. Phylogenetic... more
A large geographic differentiation has been reported in Sylvilagus brasiliensis based on external characters of a small number of specimens. A new karyotype with 2n = 40 and FNa = 74 from Rio de Janeiro is herein reported. Phylogenetic analyses based on cytochrome b DNA of eight samples from the states of Paraíba, Tocantins, Goiás, Minas Gerais and Rio de Janeiro suggested a strongly structured population. Altogether, molecular and karyotypic data suggested that the diversity of Sylvilagus in eastern Brazil may be larger than the one reported in the literature on the basis of external characters.
ABSTRACT The data used by Lynch Alfaro et al. (2012a, Journal of Biogeography, 39, 272–288) and the biogeographical hypothesis postulated by these authors to explain the current distribution of capuchin monkeys were reanalysed including... more
ABSTRACT The data used by Lynch Alfaro et al. (2012a, Journal of Biogeography, 39, 272–288) and the biogeographical hypothesis postulated by these authors to explain the current distribution of capuchin monkeys were reanalysed including additional cytochrome b data from Sapajus xanthosternos and Sapajus flavius. Our reconstructed phylogeny placed S. xanthosternos in a monophyletic clade representing the most basal lineage of this genus. All analyses indicated polyphyletic arrangements for several capuchin species, suggesting that incomplete lineage sorting has occurred during their evolution. These results also suggest that available molecular data lack adequate variation for accurately resolving species relationships. These results suggest that the divergence of capuchin monkey genera may have occurred in the Atlantic Forest. However, a more conclusive scenario and better resolution of the species tree requires correct identification of species, data from several unlinked nuclear loci from a higher number of individuals per species, and careful analysis of ancient DNA data from museum specimens.
A large geographic differentiation has been reported in Sylvilagus brasiliensis based on external characters of a small number of specimens. A new karyotype with 2n = 40 and FNa = 74 from Rio de Janeiro is herein reported. Phylogenetic... more
A large geographic differentiation has been reported in Sylvilagus brasiliensis based on external characters of a small number of specimens. A new karyotype with 2n = 40 and FNa = 74 from Rio de Janeiro is herein reported. Phylogenetic analyses based on cytochrome b DNA of eight samples from the states of Paraíba, Tocantins, Goiás, Minas Gerais and Rio de Janeiro suggested a strongly structured population. Altogether, molecular and karyotypic data suggested that the diversity of Sylvilagus in eastern Brazil may be larger than the one reported in the literature on the basis of external characters.
Research Interests:
A review of small non-volant mammal species of the APA Gama e Cabeça de Veado was carried out, including new surveys in the “Estação Ecológica do Jardim Botânico” (EEJBB) and “Reserva Ecológica do Instituto Brasileiro de Geografia e... more
A review of small non-volant mammal species of the APA Gama e
Cabeça de Veado was carried out, including new surveys in the “Estação Ecológica
do Jardim Botânico” (EEJBB) and “Reserva Ecológica do Instituto Brasileiro de
Geografia e Estatística” (REIBGE). Thirty-one small mammal’s species are
registered for the APA Gama and Cabeça de Veado, including one exotic species.
Didelphis albiventris, Hylaeamys megacephalus, and Oxymycterus delator were
collected for the first time in EEJBB. The APA Gama e Cabeça de Veado has a
central position in the Cerrado domain sharing six species with the Amazon domain,
five with Atlantic Forest, and 13 with Caatinga. The APA Gama e Cabeça de Veado
encompasses the home range of at least six non-volant small mammal species
endemic of Cerrado domain, and it has an important role in the protection of these
endemic species and species that occurs in those four South America morphoclimatic
domains.
Research Interests:
Research Interests:
A new karyotype of Wiedomys pyrrhorhinus (Wied, 1821) is described, including G- and C-banding and Ag-NOR sites from specimens collected in the municipality of Morro do Chapéu, situated in the northern region of the Chapada Diamantina,... more
A new karyotype of Wiedomys pyrrhorhinus (Wied, 1821) is described, including G- and C-banding and Ag-NOR sites from specimens collected in the municipality of Morro do Chapéu, situated in the northern region of the Chapada Diamantina, state of Bahia. Karyological studies of W. pyrrhorhinus have shown a constant diploid number (2n) of 62 with two different numbers of autosomal arms (FNa): 86 and 90, respectively. The new karyotype revealed 2n = 62 and FNa = 104, being the higher autosomal number found so far for this genus. The X chromosome is a large acrocentric and the Y chromosome is a small acrocentric. The analysis of the karyotype morphology suggests that this new karyotype is more closely related to the previous karyotype with 2n = 62 and FNa = 90, described from Caetité, Bahia State. Further studies, comparing different populations of W. pyrrhorhinus, including molecular approaches, may help to better understand the geographical limits of each population and their phylogenetic relationships in the Caatinga biome.