17 Works

Signal evolution and morphological complexity in hummingbirds (Aves: Trochilidae)

Chad Eliason, Rafael Maia, Juan Parra & Matthew Shawkey
Understanding how animal signals are produced is critical for understanding their evolution because complexity and modularity in the underlying morphology can affect evolutionary patterns. Hummingbird feathers show some of the brightest and most iridescent colors in nature. These are produced by optically complex stacks of hollow, platelet-shaped organelles called melanosomes. Neither how these morphologies produce colors nor their evolution has been systematically studied. We first used nanoscale morphological measurements and optical modeling to identify the...

Plasmodium infection is assocaited with cross-reactive antibodies to carbohydrate epitopes on the SARS-CoV-2 Spike protein

Sarah Lapidus, Feimei Liu, Arnau Casanovas-Massana, Yile Dai, John D. Huck, Carolina Lucas, Jon Klein, Renata B. Filler, Madison S. Strine, Mouhamad Sy, Awa B. Deme, Aida S. Badiane, Baba Dieye, Ibrahima Mbaye Ndiaye, Younous Diedhiou, Amadou Moctar Mbaye, Cheikh Tidiane Diagne, Inés Vigan-Womas, Alassane Mbengue, Bacary D. Sadio, Moussa M. Diagne, Adam J. Moore, Khadidiatou Mangou, Fatoumata Diallo, Seynabou D. Sene … & Amy K. Bei
Individuals with acute malaria infection generated high levels of antibodies that cross-react with the SARS-CoV-2 Spike protein. Cross-reactive antibodies specifically recognized the sialic acid moiety on N-linked glycans of the Spike protein and do not neutralize in vitro SARS-CoV-2. Sero-surveillance is critical for monitoring and projecting disease burden and risk during the pandemic; however, routine use of Spike protein-based assays may overestimate SARS-CoV-2 exposure and population-level immunity in malaria-endemic countries.

Data from: Tracking climate change in a dispersal-limited species: reduced spatial and genetic connectivity in a montane salamander

Guillermo Velo-Antón, Juan L. Parra, Gabriela Parra-Olea & Kelly R. Zamudio
Tropical montane taxa are often locally adapted to very specific climatic conditions, contributing to their lower dispersal potential across complex landscapes. Climate and landscape features in montane regions affect population genetic structure in predictable ways, yet few empirical studies quantify the effects of both factors in shaping genetic structure of montane-adapted taxa. Here, we considered temporal and spatial variability in climate to explain contemporary genetic differentiation between populations of the montane salamander, Pseudoeurycea leprosa. Specifically,...

Data from: Idiosyncratic responses to climate-driven forest fragmentation and marine incursions in reed frogs from Central Africa and the Gulf of Guinea Islands

Rayna C. Bell, Juan L. Parra, Gabriel Badjedjea, Michael F. Barej, David C. Blackburn, Marius Burger, Alan Channing, J. Maximilian Dehling, Eli Greenbaum, Václav Gvoždík, Jos Kielgast, Chifundera Kusamba, Stefan Lötters, Patrick J. McLaughlin, Zoltán T. Nagy, Mark-Oliver Rödel, Daniel M. Portik, Bryan L. Stuart, Jeremy VanDerWal, Ange-Ghislain Zassi Boulou & Kelly R. Zamudio
Organismal traits interact with environmental variation to mediate how species respond to shared landscapes. Thus, differences in traits related to dispersal ability or physiological tolerance may result in phylogeographic discordance among co-distributed taxa, even when they are responding to common barriers. We quantified climatic suitability and stability, and phylogeographic divergence within three reed frog species complexes across the Guineo-Congolian forests and Gulf of Guinea archipelago of Central Africa to investigate how they responded to a...

Data from: Extending ecological niche models to the past 120 000 years corroborates the lack of strong phylogeographic structure in the Crested Drongo (Dicrurus forficatus forficatus) on Madagascar

Jérôme Fuchs, Juan L. Parra, Steven M. Goodman, Marie Jeanne Raherilalao, Jeremy Vanderwal & Rauri C. K. Bowie
We conduct a phylogeographic study of the Crested Drongo (Dicrurus forficatus forficatus), a broadly distributed bird species on Madagascar. We first determined the demographic and spatial pattern inferred from mitochondrial and nuclear data, and then compared these results with predictions from a present to 0.120-Myr-old reconstruction of the spatial dynamics of the range of D. f. forficatus on Madagascar, enabling putative areas of stability (lineage persistence) to be detected. Weak genetic structure along an east–west...

Data from: Multilocus phylogeny and biogeography of the New World Pheucticus grosbeaks (Aves: Cardinalidae)

Paulo C. Pulgarín-R, Brian Tilston Smith, , Garth M. Spellman, John Klicka & Robert W. Bryson
Using a multilocus approach, we investigated the tempo and pattern of diversification in a widely distributed New World songbird, the cardinalid genus Pheucticus. Each of the three geographic groups recovered (North American, Middle American, and South American) was comprised of a pair of currently recognized species, and four, three, and three geographically and genetically distinct phylogeographic lineages respectively. Diversification within Pheucticus appears to have occurred at a relatively constant pace throughout the Pleistocene and evenly...

Speciation rates are positively correlated with the rate of plumage color evolution in hummingbirds

Diego F. Beltrán, Allison J. Shultz & Juan Luis Parra
A fascinating pattern in nature is the uneven distribution of biodiversity among clades, some with low species richness and phenotypic variation in contrast to others with remarkable species richness and phenotypic diversity. In animals, communication signals are crucial for intra- and interspecific interactions, and are likely an important factor in speciation. However, evidence for the association between the evolution of such signals and speciation is mixed. In hummingbirds, plumage coloration is an important communication signal,...

Data from: Putting vascular epiphytes on the traits map

Peter Hietz, Katrin Wagner, Flavio Nunes Ramos, Juliano Sarmento Cabral, Gerhard Zotz, Claudia Agudelo, Ana Maria Benavides, Manuel Cach Pérez, Catherine Cardelús, Nahelli Chilpa Galván, Lucas Costa, Rodolfo De Paula Oliveiras, Helena Einzmann, Rafael Farias, Valeria Guzmán Jacob, Michael Kessler, Catherine Kirby, Holger Kreft, Thorsten Krömer, Jamie Males, Samuel Monsalve Correa, Maria Moreno, Gunnar Petter, Casandra Reyes, Alfredo Saldaña … & Carrie Woods
Epiphyte trait data for the paper Hietz et al. 2021 Putting vascular epiphytes on the traits map. Journal of Ecology Plant functional traits impact the fitness and environmental niche of plants. Major plant functional types have been characterized by their trait spectrum, and the environmental and phylogenetic imprints on traits have advanced several ecological fields. Yet very few trait data on epiphytes, which represent almost 10% of vascular plants, are available. We collated >80,000 mostly...

Data from: Wing geometric morphometrics and molecular assessment of members in the Albitarsis Complex from Colombia

Giovan Gómez, Luz Jaramillo & Margarita M. Correa
Malaria parasites are transmitted to humans by female mosquitoes of the genus Anopheles. The Albitarsis Complex harbours at least eight species not readily differentiable by morphology. This complicates the determination of those species involved in malaria transmission and the implementation of targeted and effective vector control strategies. In Colombia, there is little information about the identity and distribution of the Albitarsis Complex members. In this work, COI DNA barcoding was used to assign specimens Anopheles...

Efficacy of treatments for polycystic ovarian syndrome management in adolescents: a systematic review and network meta-analysis

Reem Al Khalifah, Ivan Florez, Michael Zoratti, Brittany Dennis, Lehana Thabane & Ereny Bassilious
Limited evidence on treatment options for polycystic ovarian syndrome (PCOS) has led to considerable variation in healthcare practices. We aimed to compare the effects of metformin and/or oral contraceptive pills (OCPs) in combination with pioglitazone, spironolactone, flutamide, and lifestyle interventions among adolescents aged 11-19 years with PCOS. Literature searches were performed in Medline, Embase, and the Cochrane Central Register of Controlled Trials from database inception through December 2018, with no language restriction. Two reviewers screened...

Feather iridescence of Coeligena hummingbird species varies due to differently organized barbs and barbules

Marco Giraldo, Juliana Sosa & Doekele Stavenga
Hummingbirds are perhaps the most exquisite bird species because of their prominent iridescence, created by stacks of melanosomes in the feather barbules. The feather colours crucially depend on the nanoscopic dimensions of the melanosome, and the displayed iridescence can distinctly vary, dependent on the spatial organization of the barbs and barbules. We have taken the genus Coeligena as a model group, with species having feathers that strongly vary in their spatial reflection properties. We studied...

Data from: Drift, not selection, shapes toll-like receptor variation among oceanic island populations

Catalina González-Quevedo, Lewis G. Spurgin, Juan Carlos Illera & David S. Richardson
Understanding the relative role of different evolutionary forces in shaping the level and distribution of functional genetic diversity among natural populations is a key issue in evolutionary and conservation biology. To do so accurately genetic data must be analyzed in conjunction with an unambiguous understanding of the historical processes that have acted upon the populations. Here we focused on diversity at toll-like receptor (TLR) loci, which play a key role in the vertebrate innate immune...

Andean non-volant small mammals: a dataset of community assemblages of non-volant small mammals from the high Andes

Edgardo M. Rengifo, Jorge Brito, Jorge Pablo Jayat, Raisa Cairampoma, Agustina Novillo, Natali Hurtado, Ignacio Ferro, Cesar E. Medina, Alonso Arguero, Sergio Solari, Jose Urquizo, Ariatna Villareal, Elena Vivar, Pablo Teta, Marcial Quiroga-Carmona, Guillermo D'Elía & Alexandre Reis Percequillo
Information from diversity inventories is used to study patterns of biodiversity and species distribution; likewise, it may be useful to identify priority areas for conservation, and to guide future sampling efforts. In this context, we compiled information on non-volant small mammal communities from the high Andes (> 2,000 m.). Here we present an open resource data set containing information diversity (species composition, number of individuals captured ), inventory design (type of traps, sampling efforts), and...

Data from: Palenque de San Basilio in Colombia: genetic data supports an oral history of a paternal ancestry in Congo

Naser Ansari-Pour, Yves Moñino, Constanza Duque, Natalia Gallego, Gabriel Bedoya, Mark G. Thomas & Neil Bradman
The Palenque, a black community in rural Colombia, have an oral history of fugitive African slaves founding a free village near Cartagena in the seventeenth century. Recently, linguists have identified some 200 words in regular use that originate in a Kikongo language, with Yombe, mainly spoken in the Congo region, being the most likely source. The non-recombining portion of the Y chromosome (NRY) and mitochondrial DNA were analysed to establish whether there was greater similarity...

Data from: Landscape-scale variation in an anthropogenic factor shapes immune gene variation within a wild population

Catalina Gonzalez-Quevedo, Richard G. Davies, Karl P. Phillips, Lewis G. Spurgin, David S. Ricardson & David S. Richardson
Understanding the spatial scale at which selection acts upon adaptive genetic variation in natural populations is fundamental to our understanding of evolutionary ecology, and has important ramifications for conservation. The environmental factors to which individuals of a population are exposed can vary at fine spatial scales, potentially generating localized patterns of adaptation. Here, we compared patterns of neutral and major histocompatibility complex (MHC) variation within an island population of Berthelot's pipit (Anthus berthelotii) to assess...

Comparative transcriptomics of a monocotyledonous geophyte reveals shared molecular mechanisms of underground storage organ formation

Carrie Tribble, Jesús Martínez-Gómez, Fernando Alzate-Guarín, Carl Rothfels & Chelsea Specht
Many species from across the vascular plant tree-of-life have modified standard plant tissues into tubers, bulbs, corms, and other underground storage organs (USOs), unique innovations which allow these plants to retreat underground. Our ability to understand the developmental and evolutionary forces that shape these morphologies is limited by a lack of studies on certain USOs and plant clades; Bomarea multiflora (Alstroemeriaceae) fills a key gap in our understanding of USO molecular development as the first...

Genetic data and niche differences suggest that disjunct populations of Diglossa brunneiventris are not sister lineages

Juan Luis Parra, Ana Maria Gutiérrez-Zuluaga, Catalina González-Quevedo, Jessica A. Oswald, Ryan S. Terrill & Jorge L. Pérez-Emán
Disjunct distributions within a species are of great interest in systematics and biogeography. This separation can function as a barrier to gene flow when the distance among populations exceeds the dispersal capacity of individuals, and depending on the duration of the barrier, it may eventually lead to speciation. Here we describe patterns of geographic differentiation of two disjunct populations of Diglossa brunneiventris separated by approximately 1000 km along the Andes. Diglossa brunneiventris vuilleumieri is isolated...

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