Search Results - "Helmstetter, Andrew J."

Field-based species identification of closely-related plants using real-time nanopore sequencing by Parker, Joe, Helmstetter, Andrew J., Devey, Dion, Wilkinson, Tim, Papadopulos, Alexander S. T.

“…Advances in DNA sequencing and informatics have revolutionised biology over the past four decades, but technological limitations have left many applications…”
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Viviparity stimulates diversification in an order of fish by Helmstetter, Andrew J., Papadopulos, Alexander S. T., Igea, Javier, Van Dooren, Tom J. M., Leroi, Armand M., Savolainen, Vincent

“…Species richness is distributed unevenly across the tree of life and this may be influenced by the evolution of novel phenotypes that promote diversification…”
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Rapid Parallel Adaptation to Anthropogenic Heavy Metal Pollution by Papadopulos, Alexander S T, Helmstetter, Andrew J, Osborne, Owen G, Comeault, Aaron A, Wood, Daniel P, Straw, Edward A, Mason, Laurence, Fay, Michael F, Parker, Joe, Dunning, Luke T, Foote, Andrew D, Smith, Rhian J, Lighten, Jackie

“…Abstract The impact of human-mediated environmental change on the evolutionary trajectories of wild organisms is poorly understood. In particular, capacity of…”
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Phylogenomics of the Major Tropical Plant Family Annonaceae Using Targeted Enrichment of Nuclear Genes by Couvreur, Thomas L P, Helmstetter, Andrew J, Koenen, Erik J M, Bethune, Kevin, Brandão, Rita D, Little, Stefan A, Sauquet, Hervé, Erkens, Roy H J

“…Targeted enrichment and sequencing of hundreds of nuclear loci for phylogenetic reconstruction is becoming an important tool for plant systematics and…”
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Unraveling Genetic Diversity Amongst European Hazelnut (Corylus avellana L.) Varieties in Turkey by Oztolan-Erol, Nihal, Helmstetter, Andrew J., İnan, Asuman, Buggs, Richard J. A., Lucas, Stuart J.

“…European hazelnut ( Corylus avellana ) is a diploid (2n = 22), monecious and wind-pollinated species, extensively cultivated for its nuts. Turkey is the…”
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Genetic diversity and domestication of hazelnut (Corylus avellana L.) in Turkey by Helmstetter, Andrew J., Oztolan‐Erol, Nihal, Lucas, Stuart J., Buggs, Richard J. A.

“…Societal Impact Statement Hazelnut is consumed worldwide and is of critical economic importance to the rural communities of Turkey's northern coast. A new…”
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Opposing effects of plant traits on diversification by Anderson, Bruce, Pannell, John, Billiard, Sylvain, Burgarella, Concetta, de Boer, Hugo, Dufay, Mathilde, Helmstetter, Andrew J., Méndez, Marcos, Otto, Sarah P., Roze, Denis, Sauquet, Hervé, Schoen, Daniel, Schönenberger, Jürg, Vallejo-Marin, Mario, Zenil-Ferguson, Rosana, Käfer, Jos, Glémin, Sylvain

“…Species diversity can vary dramatically across lineages due to differences in speciation and extinction rates. Here, we explore the effects of several plant…”
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Unraveling the Phylogenomic Relationships of the Most Diverse African Palm Genus Raphia (Calamoideae, Arecaceae) by Helmstetter, Andrew J, Kamga, Suzanne Mogue, Bethune, Kevin, Lautenschläger, Thea, Zizka, Alexander, Bacon, Christine D, Wieringa, Jan J, Stauffer, Fred, Antonelli, Alexandre, Sonké, Bonaventure, Couvreur, Thomas L P

“…Palms are conspicuous floristic elements across the tropics. In continental Africa, even though there are less than 70 documented species, they are omnipresent…”
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Individualistic evolutionary responses of Central African rain forest plants to Pleistocene climatic fluctuations by Helmstetter, Andrew J., Béthune, Kevin, Kamdem, Narcisse G., Sonké, Bonaventure, Couvreur, Thomas L. P.

“…Understanding the evolutionary dynamics of genetic diversity is fundamental for species conservation in the face of climate change, particularly in…”
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Phylogenomic relationships and historical biogeography in the South American vegetable ivory palms (Phytelepheae) by Escobar, Sebastián, Helmstetter, Andrew J., Montúfar, Rommel, Couvreur, Thomas L.P., Balslev, Henrik

“…[Display omitted] •Confirmation of eight species within the palm tribe Phytelepheae.•Phytelephas seemannii and Phytelephas schottii are not closely related to…”
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David versus Goliath: Early career researchers in an unethical publishing system by Receveur, Aurore, Bonfanti, Jonathan, D'Agata, Stephanie, Helmstetter, Andrew J., Moore, Nikki A., Oliveira, Brunno F., Petit‐Cailleux, Cathleen, Rievrs Borges, Erica, Schultz, Marieke, Sexton, Aaron N., Veytia, Devi

“…The publish‐or‐perish culture in academia has catalysed the development of an unethical publishing system. This system is characterised by the proliferation of…”
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Pulled Diversification Rates, Lineages-Through-Time Plots, and Modern Macroevolutionary Modeling by Helmstetter, Andrew J, Glemin, Sylvain, Käfer, Jos, Zenil-Ferguson, Rosana, Sauquet, Hervé, de Boer, Hugo, Dagallier, Léo-Paul M J, Mazet, Nathan, Reboud, Eliette L, Couvreur, Thomas L P, Condamine, Fabien L

“…Abstract Estimating time-dependent rates of speciation and extinction from dated phylogenetic trees of extant species (timetrees), and determining how and why…”
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The demographic history of Madagascan micro-endemics: have rare species always been rare? by Helmstetter, Andrew J, Cable, Stuart, Rakotonasolo, Franck, Rabarijaona, Romer, Rakotoarinivo, Mijoro, Eiserhardt, Wolf L, Baker, William J, Papadopulos, Alexander S T

“…Extinction has increased as human activities impact ecosystems, yet relatively few species have conservation assessments. Novel approaches are needed to…”
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Trait‐dependent diversification in angiosperms: Patterns, models and data by Helmstetter, Andrew J., Zenil‐Ferguson, Rosana, Sauquet, Hervé, Otto, Sarah P., Méndez, Marcos, Vallejo‐Marin, Mario, Schönenberger, Jürg, Burgarella, Concetta, Anderson, Bruce, Boer, Hugo, Glémin, Sylvain, Käfer, Jos

“…Variation in species richness across the tree of life, accompanied by the incredible variety of ecological and morphological characteristics found in nature,…”
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Introgression across evolutionary scales suggests reticulation contributes to Amazonian tree diversity by Schley, Rowan J., Pennington, R. Toby, Pérez‐Escobar, Oscar Alejandro, Helmstetter, Andrew J., Estrella, Manuel, Larridon, Isabel, Sabino Kikuchi, Izai Alberto Bruno, Barraclough, Timothy G., Forest, Félix, Klitgård, Bente

“…Hybridization has the potential to generate or homogenize biodiversity and is a particularly common phenomenon in plants, with an estimated 25% of plant…”
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Pleistocene climatic fluctuations promoted alternative evolutionary histories in Phytelephas aequatorialis, an endemic palm from western Ecuador by Escobar, Sebastián, Helmstetter, Andrew J., Jarvie, Scott, Montúfar, Rommel, Balslev, Henrik, Couvreur, Thomas L.P.

“…Aim Pleistocene (2.58 Ma–11.7 ka) climatic fluctuations have shaped intraspecific genetic patterns worldwide; however, their impact on species in many regions…”
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Repeated long-distance dispersal and convergent evolution in hazel by Helmstetter, Andrew J., Buggs, Richard J. A., Lucas, Stuart J.

“…Closely related species with a worldwide distribution provide an opportunity to understand evolutionary and biogeographic processes at a global scale. Hazel (…”
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Phylogenomic approaches reveal how climate shapes patterns of genetic diversity in an African rain forest tree species by Helmstetter, Andrew J., Amoussou, Biowa E. N., Bethune, Kevin, Kamdem, Narcisse G., Glèlè Kakaï, Romain, Sonké, Bonaventure, Couvreur, Thomas L. P.

“…The world's second largest expanse of tropical rainforest is in Central Africa, and it harbours enormous species diversity. Population genetic studies have…”
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Trait evolution and historical biogeography shape assemblages of annual killifish by Helmstetter, Andrew J., Papadopulos, Alexander S. T., Igea, Javier, Van Dooren, Tom J. M.

“…Aim Different species assemblages of annual killifish possess replicated body size distributions yet have unique sets of species in each area of endemism…”
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Genetic assimilation of ancestral plasticity during parallel adaptation to zinc contamination in Silene uniflora by Wood, Daniel P., Holmberg, Jon A., Osborne, Owen G., Helmstetter, Andrew J., Dunning, Luke T., Ellison, Amy R., Smith, Rhian J., Lighten, Jackie, Papadopulos, Alexander S. T.

“…Phenotypic plasticity in ancestral populations is hypothesized to facilitate adaptation, but evidence is piecemeal and often contradictory. Further, whether…”
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