39 Works

Data from: Humidity levels drive reproductive modes and phylogenetic diversity of amphibians in the Brazilian Atlantic Forest

Fernando Rodrigues Silva, Mário Almeida-Neto, Vitor Hugo Mendonça Do Prado, Célio Fernando Baptista Haddad & Denise De Cerqueira Rossa-Feres
AIM: The diversity of reproductive modes among amphibians provides a striking example of how differences in the biology of species furnish can provide important explanations for species distribution patterns on a broad scale. We hypothesized that sites with a higher humidity level will support more different modes of reproduction than drier sites and will consequently exhibit a higher phylogenetic diversity. Furthermore, we predict that if there is a gradient in the tolerance of reproductive modes...

Data from: Interglacial microrefugia and diversification of a cactus species complex: phylogeography and palaeodistributional reconstructions for Pilosocereus aurisetus and allies

Isabel A. S. Bonatelli, Manolo F. Perez, A. Townsend Peterson, Nigel P. Taylor, Daniela C. Zappi, Marlon C. Machado, Ingrid Koch, Adriana H. C. Pires & Evandro M. Moraes
The role of Pleistocene climate changes in promoting evolutionary diversification in global biota is well documented, but the great majority of data regarding this subject come from North America and Europe, which were greatly affected by glaciation. The effects of Pleistocene changes on cold- and/or dry-adapted species in tropical areas where glaciers were not present remain sparsely investigated. Many such species are restricted to small areas surrounded by unfavourable habitats, which may represent potential interglacial...

Data from: Pleistocene niche stability and lineage diversification in the subtropical spider Araneus omnicolor (Araneidae)

Elen A. Peres, Thadeu Sobral-Souza, Manolo F. Perez, Isabel A. S. Bonatelli, Daniel P. Silva, Marcio J. Silva & Vera N. Solferini
The influence of Quaternary climate oscillations on the diversification of the South American fauna is being increasingly explored. However, most of these studies have focused on taxa that are endemic to tropical environments, and relatively few have treated organisms restricted to subtropical biomes. Here we used an integrative phylogeographical framework to investigate the effects of these climate events on the ecological niche and genetic patterns of the subtropical orb-weaver spider Araneus omnicolor (Araneidae). We analyzed...

Data from: The genomes of two key bumblebee species with primitive eusocial organisation

Ben M. Sadd, Seth M. Barribeau, Guy Bloch, Dirk C. De Graaf, Peter Dearden, Christine Elsik, Jurgen Gadau, Cornelius Grimmelikhuijzen, Martin Hasselmann, Jeffrey Lozier, Hugh Robertson, Guy Smagghe, Eckart Stolle, Matthias Van Vaerenbergh, Robert Waterhouse, Erich Bornberg-Bauer, Steffan Klasberg, Anna Bennett, Francisco Camara, Roderic Guigo, Katharina Hoff, Marco Mariotti, Monica Munos-Torres, Terence Murphy, Didac Santesmasses … & Kim C. Worley
Background: The shift from solitary to social behavior is one of the major evolutionary transitions. Primitively eusocial bumblebees are uniquely placed to illuminate the evolution of highly eusocial insect societies. Bumblebees are also invaluable natural and agricultural pollinators, and there is widespread concern over recent population declines in some species. High-quality genomic data will inform key aspects of bumblebee biology, including susceptibility to implicated population viability threats. Results: We report the high quality draft genome...

Data from: Highly conserved Z and molecularly diverged W chromosomes in the fish genus Triportheus (Characiformes, Triportheidae)

C.F. Yano, L.A.C. Bertollo, T. Ezaz, V. Trifonov, A. Sember, T. Liehr & M.B. Cioffi
The main objectives of this study were to test: (1) whether the W-chromosome differentiation matches to species’ evolutionary divergence (phylogenetic concordance) and (2) whether sex chromosomes share a common ancestor within a congeneric group. The monophyletic genus Triportheus (Characiformes, Triportheidae) was the model group for this study. All species in this genus so far analyzed have ZW sex chromosome system, where the Z is always the largest chromosome of the karyotype, whereas the W chromosome...

Data from: A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny

, Anne Bruneau, Nasim Azani, Marielle Babineau, Edeline Gagnon, Carole Sinou, Royce Steeves, Erin Zimmerman, C. Donovan Bailey, Lynsey Kovar, Madhugiri Nageswara-Rao, Hannah Banks, RuthP. Clark, Manuel De La Estrella, Peter Gasson, GeoffreyC. Kite, BenteB. Klitgaard, GwilymP. Lewis, Danilo Neves, Gerhard Prenner, María De Lourdes Rico-Arce, ArianeR. Barbosa, Maria Cristina López-Roberts, Luciano Paganucci De Queiroz, PétalaG. Ribeiro … & Tingshuang Yi
The classification of the legume family proposed here addresses the long-known non-monophyly of the traditionally recognised subfamily Caesalpinioideae, by recognising six robustly supported monophyletic subfamilies. This new classification uses as its framework the most comprehensive phylogenetic analyses of legumes to date, based on plastid matK gene sequences, and including near-complete sampling of genera (698 of the currently recognised 765 genera) and ca. 20% (3696) of known species. The matK gene region has been the most...

FragSAD: A database of diversity and species abundance distributions from habitat fragments

Jonathan M. Chase, Mario Liebergesell, Alban Sagouis, Felix May, Shane A. Blowes, Åke Berg, Enrico Bernard, Berry J. Brosi, Marc W. Cadotte, Luis Cayuela, Adriano G. Chiarello, Jean-François Cosson, Will Cresswell, Filibus Danjuma Dami, Jens Dauber, Christopher R. Dickman, Raphael K. Didham, David P. Edwards, Fabio Z. Farneda, Yoni Gavish, Thiago Gonçalves-Souza, Demetrio Luis Guadagnin, Mickaël Henry, Adrià López-Baucells, Heike Kappes … & Yaron Ziv
Habitat destruction is the single greatest anthropogenic threat to biodiversity. Decades of research on this issue have led to the accumulation of hundreds of data sets comparing species assemblages in larger, intact, habitats to smaller, more fragmented, habitats. Despite this, little synthesis or consensus has been achieved, primarily because of non‐standardized sampling methodology and analyses of notoriously scale‐dependent response variables (i.e., species richness). To be able to compare and contrast the results of habitat fragmentation...

Native ants help to spread an invasive African grass in the Cerrado

Isabele F. Rebolo, Heloiza L. Zirondi, Alessandra Fidelis & Alexander V. Christianini
Plant-animal interactions may facilitate biological invasions. The African grass Urochloa decumbens is an aggressive invader in the Cerrado. We demonstrate that native ants are dispersing the seeds to short distances, allowing the gradual spread of the invasive to sites without the need of great anthropogenic soil disturbances.

Comparative and predictive phylogeography in the South American diagonal of open formations: Unravelling the biological and environmental influences on multitaxon demography

Isabel Bonatelli, Marcelo Gehara, Bryan Carstens, Guarino Colli & Evandro Moraes
Phylogeography investigates historical drivers of species’ geographic distribution. Special attention has been given to ecological, climatic, and geological processes in the diversification of the Neotropical biota. Several species sampled across the dry diagonal of South America (DDSA, comprising the Caatinga, Cerrado, and Chaco biomes) experienced range shifts coincident with Quaternary climatic changes. However, studies across different spatial, temporal, and biological scales on species from South America’s dry biomes are still poorly represented. Here, we combine...

Data from: Genetic and paleomodelling evidence of the population expansion of the cattle egret Bubulcus ibis in Africa during the climatic oscillations of the Late Pleistocene

Carlos Congrains, Antônio F. Carvalho, , Graeme S. Cumming, Dominic A. W. Henry, Shiiwua A. Manu, Jacinta Abalaka, Cristiano D. Rocha, Moussa S. Diop, Joãozinho Sá, Hamilton Monteiro, Lars H. Holbech, Francis Gbogbo & Silvia N. Del Lama
Increasing aridity during glacial periods produced the retraction of forests and the expansion of arid and semi-arid environments in Africa, with consequences for birds. Cattle egret (Bubulcus ibis) is a dispersive species that prefers semiarid environments and requires proximity to bodies of water. We expected that climatic oscillations led to the expansion of the range of the cattle egret during arid periods, such as the Last Maximum Glacial (LGM) and contraction of distribution during the...

Maintaining genetic integrity with high promiscuity: Frequent hybridization with low introgression in multiple hybrid zones of Melocactus(Cactaceae)

Khan Gulzar, Evandro Marsola De Moraes, Fernando Faria Franco, Gislaine A.R. Silva, Juliana R. Bombonato, Marlon Machado, Diego P. Alonso, Paulo E.M. Ribolla & Dirk C. Albach
Hybridization and introgression between species in contact/hybrid zones provide important insight into the genetic and ecological mechanisms of speciation. Cactaceae represents the most important radiation of true succulent angiosperms in the New World. This diversification continues to date, with species experiencing few intrinsic barriers to gene flow and the frequent occurrence of natural hybridization. Here, we used RAD-Seq single-nucleotide polymorphism (SNP) data to investigate the genetic architecture of hybridization in four hybrid zones hosting Melocactus...

Comparative Proteomics Reveals Characteristic Proteins on Praziquantel-resistance in Schistosoma mansoni

Ana Julia Pinto Fonseca S. Afonso, António Pinto-Almeida, Tiago M. F. Mendes, Pedro Ferreira, Silvana Belo, Fernanda F. Anibal, Silmara M. Allegretti, Carlos Alexandre Galinaro, Emanuel Carrilho & Ana B Abecassis
The extensive use of Praziquantel (PZQ), the only drug available to treat schistosomiasis, has brought concern about the emergence of PZQ-resistance/tolerance by Schistosoma spp., thus reaffirming an urge for the development of new treatment alternatives. Therefore, it is imperative and urgent to study this phenomenon trying to understand what is involved in its occurrence. Studies of Schistosoma spp. genome, transcriptome and proteome are crucial to better understand this situation. By stepwise drug pressure from a...

Data: Prescribed fire enhances seed removal by ants in a Neotropical savanna

Mirela Alcolea, Giselda Durigan & Alexander Christianini
Seed dispersal and predation by animals often drive plant regeneration. In tropical savannas, such as the Cerrado of Brazil, fire is also a key process in ecosystem dynamics, consuming the lower vegetation strata and killing wildlife, but how fire affects seed-animal interactions is virtually unknown. We investigated the effects of prescribed fires on the removal of diaspores from Miconia rubiginosa and sunflower Helianthus annuus in Cerrado from southeast Brazil. Using plots burned one month or...

Genetics in Medicine and Nursing: perceptions of health professionals involved in teaching and learning process

Renata Postel Moreira, Simone de Menezes Karam, Mellina Yamamura, Lucimar Retto da Silva de Avó, Carla Maria Ramos Germano & Débora Gusmão Melo
Abstract: Introduction: The evolution of genetics has led to medical and nursing entities recommending specific skills to their health professionals. Professors and preceptors in the area must therefore introduce and discuss genetics accordingly to ensure proper training for students. Objective: This study aimed to explore how professors and preceptors of Medicine and Nursing courses at a Brazilian public university perceive the subject matter of genetics in the teaching and learning process of undergraduate studies. Method:...

Data from: Convergence of soil nitrogen isotopes across global climate gradients

Joseph M. Craine, Andrew J. Elmore, Lixin Wang, Laurent Augusto, W. Troy Baisden, E. N. J. Brookshire, Michael D. Cramer, Niles J. Hasselquist, Erik A. Hobbie, Ansgar Kahmen, Keisuke Koba, J. Marty Kranabetter, Michelle C. Mack, Erika Marin-Spiotta, Jordan R. Mayor, Kendra K. McLauchlan, Anders Michelsen, Gabriela B. Nardoto, Rafael S. Oliveira, Steven S. Perakis, Pablo L. Peri, Carlos A. Quesada, Andreas Richter, Louis A. Schipper, Bryan A. Stevenson … & Bernd Zeller
Quantifying global patterns of terrestrial nitrogen (N) cycling is central to predicting future patterns of primary productivity, carbon sequestration, nutrient fluxes to aquatic systems, and climate forcing. With limited direct measures of soil N cycling at the global scale, syntheses of the 15N:14N ratio of soil organic matter across climate gradients provide key insights into understanding global patterns of N cycling. In synthesizing data from over 6000 soil samples, we show strong global relationships among...

Data from: Model-based analysis supports interglacial refugia over long-dispersal events in the diversification of two South American cactus species

Manolo Perez, Isabel A. S. Bonatelli, Evandro Moraes & Bryan C. Carstens
Pilosocereus machrisii and P. aurisetus are cactus species within the P. aurisetus complex, a group of eight cacti that are restricted to rocky habitats within the Neotropical savannas of eastern South America. Previous studies have suggested that diversification within this complex was driven by distributional fragmentation, isolation leading to allopatric differentiation, and secondary contact among divergent lineages. These events have been associated with Quaternary climatic cycles, leading to the hypothesis that the xerophytic vegetation patches...

Noninvasive fecal sampling in Itatiaia National Park, Brazil: wild mammal identification and parasite detection

Lais Dib, Joao Pedro Palmer, Camila Lima, Jessica Pinheiro, Raissa Cristina Ramos, Claudijane Santos, Ana Beatriz Fonsceca, Karen Rodriguez-Castro, Camila Gonçalves, Pedro Galetti, Lais Correa, Otilio Bastos, Claudia Uchoa, Augusto Bastos, Maria Regina Amendoeira & Alynne Barbosa
Background: Noninvasive collection of feces is a cost-effective strategy for monitoring free-living wild mammals. The aim of this study was to search for carnivore and artiodactyl species and investigate the gastrointestinal parasites in their feces, in Itatiaia National Park, Brazil. Methodology/Main Findings: Between 2017 and 2018, feces from carnivores and artiodactyls were collected along trails in the park. Host species were identified from these feces through macroscopic and trichological examination and through molecular biology using...

Data from: Fire-sensitive species dominate seed rain in a long unburned Cerrado: implications for plant community diversity and woody encroachment in savannas

Vanessa Mariano, Isabele F. Rebolo & Alexander V. Christianini.
Woody encroachment is becoming common in tropical savannas. Seed rain data and seed addition experiments in a long unburned Brazilian savanna indicate that abundant seed rain of fire-sensitive species can surpass limitations to recruitment and lead to woody encroachment. Thus, active fire management may be required to maintain savanna diversity.

A new approach to map landscape variation in forest restoration success in tropical and temperate forest biomes

Renato Crouzeilles, Felipe S. M. Barros, Paulo G. Molin, Mariana S. Ferreira, André B. Junqueira, Robin L. Chazdon, David B. Lindenmayer, Julio R. C. Tymus, Bernardo B. N. Strassburg & Pedro H. S. Brancalion
A high level of variation of biodiversity recovery within a landscape during forest restoration presents obstacles to ensure large‐scale, cost‐effective and long‐lasting ecological restoration. There is an urgent need to predict landscape variation in forest restoration success at a global scale. We conducted a meta‐analysis comprising 135 study landscapes to predict and map landscape variation in forest restoration success in tropical and temperate forest biomes. Our analysis was based on the amount of forest cover...

Non-continuous reproductive phenology of animal-dispersed species in young forest restoration plantings

Crislaine De Almeida & Ricardo Augusto Gorne Viani
Tree species that produce resources for fauna are recommended for forest restoration plantings to attract pollinators and seed dispersers; however, information regarding the flowering and fruiting of these species during early growth stages is scarce. We evaluated the reproductive phenology of animal-dispersed tree species widely used in Atlantic Forest restoration. We marked 16 animal-dispersed tree species in 3- to 8-year-old forest restoration plantings in Itu-São Paulo, southeast Brazil. We noted the age of the first...

RAD-seq data from: Evidence of local adaptation despite strong drift in a Neotropical patchily distributed bromeliad

Bárbara Simões Santos Leal, Cleber Juliano Neves Chaves, Vanessa Araujo Graciano, Christophe Boury, Luis Alberto Pillaca Huacre, Myriam Heuertz & Clarisse Palma-Silva
Both genetic drift and divergent selection are predicted to be drivers of population differentiation across patchy habitats, but the extent to which these forces act on natural populations to shape traits is strongly affected by species' ecological features. In this study, we infer the genomic structure of Pitcairnia lanuginosa, a widespread herbaceous perennial plant with a patchy distribution. We sampled populations in the Brazilian Cerrado and the Central Andean Yungas and discovered and genotyped SNP...

Data from: Conservation genetics of Neotropical pollinators revisited: microsatellite analysis suggests that diploid males are rare in orchid bees

Rogério Souza, Marco Del Lama, Marcelo Cervini, Norma Mortari, Thomas Eltz, Yvonne Zimmermann, Carola Bach, Berry Brosi, Sevan Suni, Javier Quezada & Robert Paxton
Allozyme analyses have suggested that Neotropical orchid bee (Euglossini) pollinators are vulnerable because of putative high frequencies of diploid males, a result of loss of sex allele diversity in small hymenopteran populations with single locus complementary sex determination. Our analysis of 1010 males from 27 species of euglossine bees sampled across the Neotropics at 2-11 polymorphic microsatellite loci revealed only 5 diploid males at an overall frequency of 0.005 (95% CIs 0.002-0.010); errors through genetic...

Data from: Cardiovascular variability analysis and baroreflex estimation in patients with type 2 diabetes in absence of any manifest neuropathy

Sílvia Cristina Garcia De Moura-Tonello, Alberto Porta, Andrea Marchi, Alessandra De Almeida Fagundes, Cristina De Oliveira Francisco, Patricia Rehder-Santos, Juliana Cristina Milan-Mattos, Rodrigo Polaquini Simões, Mariana De Oliveira Gois & Aparecida Maria Catai
Introduction: Indexes derived from spontaneous heart period (HP) and systolic arterial pressure (SAP) fluctuations can detect autonomic dysfunction in individuals with type 2 diabetes mellitus (DM) associated to cardiovascular autonomic neuropathy (CAN) or other neuropathies. It is unknown whether HP and SAP variability indexes are sensitive enough to detect the autonomic dysfunction in DM patients without CAN and other neuropathies. Methods: We evaluated 68 males aged between 40 and 65 years. The group was composed...

Data from: Genetic variation in blue whales in the eastern Pacific: implication for taxonomy and use of common wintering grounds

Richard G. LeDuc, F.I. Archer, Aimee R. Lang, Karen K. Martien, Brittany Hancock-Hanser, Juan P. Torres-Florez, Rodrigo Hucke-Gaete, Howard C. Rosenbaum, Koen Van Waerebeek, Robert L. Brownell, Barbara L. Taylor & F. I. Archer
Many aspects of blue whale biology are poorly understood. Some of the gaps in our knowledge, such as those regarding their basic taxonomy and seasonal movements, directly affect our ability to monitor and manage blue whale populations. As a step towards filling in some of these gaps, microsatellite and mtDNA sequence analyses were conducted on blue whale samples from the Southern Hemisphere, the eastern tropical Pacific (ETP), and the northeast Pacific. The results indicate that...

Data from: Aggression supersedes individual oxygen demand to drive group air-breathing in a social catfish

Shaun S. Killen, Andrew J. Esbaugh, Nicolas Martins, F. Tadeau Rantin, David J. McKenzie, Nicolas F. Martins & F. Tadeu Rantin
1) Group-living is widespread among animals and comes with numerous costs and benefits. To date, research examining group-living has focused on trade-offs surrounding foraging, while other forms of resource acquisition have been largely overlooked. 2) Air breathing has evolved in many fish lineages, allowing animals to obtain oxygen in hypoxic aquatic environments. Breathing air increases the threat of predation, so some species perform group air breathing, to reduce individual risk. Within species, air breathing can...

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