56 Works

Data from: Herbivore release drives parallel patterns of evolutionary divergence in invasive plant phenotypes

Akane Uesugi & André Kessler
1. Herbivory can drive rapid evolution of plant chemical traits mediating defensive and competitive ability. At a geographic scale, plant populations that escape selection from their ancestral herbivores may evolve decreased defense and increased competitiveness. While contrasts between native and invasive populations of plants lend support to this hypothesis, such experiments cannot establish causal links between herbivory and evolved invasive phenotypes. 2. Here, we conducted geographic contrasts, and coupled these with long-term selection experiments that...

Data from: Assessing potential impact of Bt eggplants on non-target arthropods in the Philippines

Mario V. Navasero, Randolph N. Candano, Desiree M. Hautea, Randy A. Hautea, Frank A. Shotkoski & Anthony M. Shelton
Studies on potential adverse effects of genetically engineered crops are part of an environmental risk assessment that is required prior to the commercial release of these crops. Of particular concern are non-target organisms (NTOs) that provide important ecosystem services. Here, we report on studies conducted in the Philippines over three cropping seasons with Bt eggplants expressing Cry1Ac for control of the eggplant fruit and shoot borer (EFSB), Leucinodes orbonalis, to examine potential effects on field...

Data from: Testosterone activates sexual dimorphism including male-typical carotenoid but not melanin plumage pigmentation in a female bird

Willow R. Lindsay, Douglas G. Barron, Michael S. Webster & Hubert Schwabl
In males it is frequently testosterone (T) that activates the expression of sexually selected morphological and behavioral displays, but the role of T in regulating similar traits in females is less clear. Here we combine correlational data with results from T and gonadotropin-releasing hormone (GnRH) manipulations in both sexes to assess the role of T in mediating sexually dimorphic coloration and morphology in the red-backed fairy-wren (Malurus melanocephalus). We show that (1) natural variation in...

Data from: Crop-dominated landscapes have higher vector-borne plant virus prevalence

Suzi B. Claflin, Laura E. Jones, Jennifer S. Thaler & Alison G. Power
Landscape composition affects local arthropod biodiversity, including herbivorous insects and their predators, yet to date landscape effects on insect-vectored plant diseases have received little attention. Here, we examine how landscape composition affects the prevalence of a viral pathogen in host plants, and the role the arthropod vector assemblage plays in mediating landscape effects. We measured the effect of landscape composition (measured as percentage of cropland and unmanaged land) on the plant virus Potato virus Y...

Data from: Experimental tests of the function and flexibility of song consistency in a wild bird

Conor C. Taff & Corey R. Freeman-Gallant
Measures of bird song that capture aspects of motor performance, such as consistency, have become a major focus in understanding sexual selection on song. Despite accumulating evidence that consistency is related to reproductive success in many species, the relative importance of male–male interactions and female–male interactions is still unclear. We studied the function and flexibility of song consistency and song rate in common yellowthroat warblers (Geothlypis trichas). A previous study of this population found that...

Data from: Demographic history inferred from genome-wide data reveals two lineages of sheldgeese endemic to a glacial refugium in the southern Atlantic

Cecilia Kopuchian, Leonardo Campagna, Adrián S. Di Giacomo, Robert E. Wilson, Mariana Bulgarella, Pablo Petracci, Juan Mazar Barnett, Ricardo Matus, Olivia Blank & Kevin G. McCracken
Aim: The Malvinas/Falkland Islands (MFI) constitute the largest archipelago in the southern Atlantic, and harbour endemic lineages that presumably evolved after sea-level rise, associated with glacial periods, isolated ancestral populations. We investigate the role of the MFI in isolating populations from continental counterparts of two highly vagile species: the sheldgeese Chloephaga picta and Chloephaga rubidiceps. Location: Patagonia and the Malvinas/Falkland Islands. Methods: We sampled C. picta and C. rubidiceps on the continent and MFI. Using...

Data from: The jujube genome provides insights into genome evolution and the domestication of sweetness/acidity taste in fruit trees

Jian Huang, Chunmei Zhang, Xing Zhao, Zhangjun Fei, KangKang Wan, Zhong Zhang, Xiaoming Pang, Xiao Yin, Yang Bai, Xiaoqing Sun, Lizhi Gao, Ruiqiang Li, Jinbo Zhang & Xingang Li
Jujube (Ziziphus jujuba Mill.) belongs to the Rhamnaceae family and is a popular fruit tree species with immense economic and nutritional value. Here, we report a draft genome of the dry jujube cultivar 'Junzao' and the genome resequencing of 31 geographically diverse accessions of cultivated and wild jujubes (Ziziphus jujuba var. spinosa). Comparative analysis revealed that the genome of 'Dongzao', a fresh jujube, was ~86.5 Mb larger than that of the 'Junzao', partially due to...

Data from: Draft assembly of elite inbred line PH207 provides insights into genomic and transcriptome diversity in maize

Candice N. Hirsch, Cory D. Hirsch, Alex B. Brohammer, Megan J. Bowman, Ilya Soifer, Omer Barad, Doron Sehm-Tov, Kobi Baruch, Fei Lu, Alvaro G. Hernandez, Christopher J. Fields, Chris L. Wright, Klaus Koehler, Nathan M. Springer, Edward S. Buckler, C. Robin Buell, Natalia De Leon, Shawn M. Kaeppler, Kevin Childs & Mark A. Mikel
Intense artificial selection over the last 100 years has produced elite maize (Zea mays) inbred lines that combine to produce high-yielding hybrids. To further our understanding of how genome and transcriptome variation contribute to the production of high-yielding hybrids, we generated a draft genome assembly of the inbred line PH207 to complement and compare with the existing B73 reference sequence. B73 is a founder of the Stiff Stalk germplasm pool, while PH207 is a founder...

Data from: Spatiotemporal variation in local adaptation of a specialist insect herbivore to its long-lived host plant

Aino Kalske, Roosa Leimu, J.F. Scheepens, Pia Mutikainen & J. F. Scheepens
Local adaptation of interacting species to one another indicates geographically variable reciprocal selection. This process of adaptation is central in the organization and maintenance of genetic variation across populations. Given that the strength of selection and responses to it often vary in time and space, the strength of local adaptation should in theory vary between generations and among populations. However, such spatiotemporal variation has rarely been explicitly demonstrated in nature and local adaptation is commonly...

Data from: Working with what you've got: unattractive males show greater mate-guarding effort in a duetting songbird

Jenélle Dowling & Michael S. Webster
When mates are limited, individuals should allocate resources to mating tactics that maximize fitness. In species with extra-pair paternity (EPP), males can invest in mate guarding, or, alternatively, in seeking EPP. Males should optimize fitness by adjusting investment according to their attractiveness to females, such that attractive males seek EPP, and unattractive males guard mates. This theory has received little empirical testing, leaving our understanding of the evolution of mating tactics incomplete; it is unclear...

Data from: Projected changes in prevailing winds for transatlantic migratory birds under global warming

Frank A. La Sorte & Daniel Fink
A number of terrestrial bird species that breed in North America cross the Atlantic Ocean during autumn migration when travelling to their non-breeding grounds in the Caribbean or South America. When conducting oceanic crossings, migratory birds tend to associate with mild or supportive winds, whose speed and direction may change under global warming. The implications of these changes for transoceanic migratory bird populations have not been addressed. We used occurrence information from eBird (1950–2015) to...

Data from: Examining disease prevalence for species of conservation concern using non-invasive spatial capture-recapture techniques

Arthur B. Muneza, Daniel W. Linden, Robert A. Montgomery, Amy J. Dickman, Gary J. Roloff, David W. Macdonald & Julian T. Fennessy
1. Non-invasive techniques have long been used to estimate wildlife population abundance and density. However, recent technological breakthroughs have facilitated non-invasive estimation of the proportion of animal populations with certain diseases. Giraffes Giraffa camelopardalisare increasingly becoming recognized as a species of conservation concern with decreasing population trajectories across their range in Africa. 2. Diseases may be an important component impacting giraffe population declines, and the emerging ‘Giraffe Skin Disease’ (GSD), characterized by the appearance of...

Data from: Biotic and abiotic variables influencing plant litter breakdown in streams: a global study

Luz Boyero, Richard Pearson, Cang Hui, Mark Gessner, Javier Perez, Markos Alexandrou, Manuel Graça, Bradley Cardinale, Ricardo Albariño, M. Arunachalam, Leon Barmuta, Andrew Boulton, Andreas Bruder, Marcos Callisto, Eric Chauvet, Russell Death, David Dudgeon, Andrea Encalada, Veronica Ferreira, Ricardo Figueroa, Alex Flecker, , Julie Helson, Tomoya Iwata, Tajang Jinggut … & Catherine Yule
Plant litter breakdown is a key ecological process in terrestrial and freshwater ecosystems. Streams and rivers, in particular, have high rates of carbon dioxide evasion and they contribute substantially to global carbon fluxes. However, there is little information available on the relative roles of different drivers of plant litter breakdown in fresh waters, particularly at large scales. We present a global-scale study of litter breakdown in streams to compare the roles of biotic, climatic and...

Data from: Local context drives infection of grasses by vector-borne generalist viruses

Elizabeth T. Borer, Eric W. Seabloom, Charles E. Mitchell & Alison G. Power
Host characteristics commonly determine infection risk, but infection can also be mediated by regional- or local-scale variation in the biotic and abiotic environment. Experiments can clarify the relative importance of these factors. We quantified drivers of infection by barley and cereal yellow dwarf viruses (B/CYDV), a group of generalist, vector-borne grass pathogens, at hierarchically nested spatial scales (105–1 m) by planting individuals of six common grass species into five Pacific Coast grassland sites spanning 7°...

Data from: Understanding spatial distributions: negative density-dependence in prey causes predators to trade-off prey quantity with quality

Allert I. Bijleveld, Robert B. MacCurdy, Ying-Chi Chan, Emma Penning, Richard M Gabrielson, John Cluderay, Eric L. Spaulding, Anne Dekinga, Sander Holthuijsen, Job Ten Horn, Maarten Brugge, Jan A. Van Gils, David W. Winkler, Theunis Piersma & Rich M. Gabrielson
Negative density-dependence is generally studied within a single trophic level, thereby neglecting its effect on higher trophic levels. The ‘functional response’ couples a predator's intake rate to prey density. Most widespread is a type II functional response, where intake rate increases asymptotically with prey density; this predicts the highest predator densities at the highest prey densities. In one of the most stringent tests of this generality to date, we measured density and quality of bivalve...

Data from: Genetic diversity of the two commercial tetraploid cotton species in the Gossypium Diversity Reference Set

Lori L. Hinze, Elodie Gazave, Michael A. Gore, David D. Fang, Brian E. Scheffler, John Z. Yu, Don C. Jones, James Frelichowski & Richard G. Percy
A diversity reference set has been constructed for the Gossypium accessions in the U.S. National Cotton Germplasm Collection to facilitate more extensive evaluation and utilization of accessions held in the Collection. A set of 105 mapped simple sequence repeat markers were used to study the allelic diversity of 1,933 tetraploid Gossypium accessions representative of the range of diversity of the improved and wild accessions of G. hirsutum and G. barbadense. The reference set contained 410...

Data from: Cryptic species diversity reveals biogeographic support for the ‘mountain passes are higher in the tropics’ hypothesis

Brian A. Gill, B. C. Kondratieff, K. L. Casner, A. C. Encalada, A. S. Flecker, D. G. Gannon, C. K. Ghalambor, J. M. Guayasamin, N. L. Poff, M. P. Simmons, S. A. Thomas, K. R. Zamudio & W. C. Funk
The ‘mountain passes are higher in the tropics’ (MPHT) hypothesis posits that reduced climate variability at low latitudes should select for narrower thermal tolerances, lower dispersal and smaller elevational ranges compared with higher latitudes. These latitudinal differences could increase species richness at low latitudes, but that increase may be largely cryptic, because physiological and dispersal traits isolating populations might not correspond to morphological differences. Yet previous tests of the MPHT hypothesis have not addressed cryptic...

Data from: Genome sequencing highlights the dynamic early history of dogs

Adam H. Freedman, Ilan Gronau, Rena M. Schweizer, Diego Ortega-Del Vecchyo, Eunjung Han, Pedro M. Silva, Marco Galaverni, Zhenxin Fan, Peter Marx, Belen Lorente-Galdos, Holly Beale, Oscar Ramirez, Farhad Hormozdiari, Can Alkan, Carles Vilà, Kevin Squire, Eli Geffen, Josip Kusak, Adam R. Boyko, Heidi G. Parker, Clarence Lee, Vasisht Tadigotla, Adam Siepel, Carlos D. Bustamante, Timothy T. Harkins … & John Novembre
To identify genetic changes underlying dog domestication and reconstruct their early evolutionary history, we generated high-quality genome sequences from three gray wolves, one from each of the three putative centers of dog domestication, two basal dog lineages (Basenji and Dingo) and a golden jackal as an outgroup. Analysis of these sequences supports a demographic model in which dogs and wolves diverged through a dynamic process involving population bottlenecks in both lineages and post-divergence gene flow....

Data from: A phylogenomic assessment of ancient polyploidy and genome evolution across the Poales

Michael R. McKain, Haibao Tang, Joel R. McNeal, Saravanaraj Ayyampalayam, Jerrold I. Davis, Claude W. DePamphilis, Thomas J. Givnish, J. Chris Pires, Dennis Wm. Stevenson & Jim H. Leebens-Mack
Comparisons of flowering plant genomes reveal multiple rounds of ancient polyploidy characterized by large intra-genomic syntenic blocks. Three such whole genome duplication (WGD) events, designated as rho (ρ), sigma (σ), and tau (τ), have been identified in the genomes of cereal grasses. Precise dating of these WGD events is necessary to investigate how they have influenced diversification rates, evolutionary innovations, and genomic characteristics such as the GC profile of protein coding sequences. The timing of...

Data from: Endemic species may have complex histories: within-refugium phylogeography of an endangered Iberian vole

Soraia Barbosa, Joana Paupério, Jeremy S. Herman, Clara M. Ferreira, Ricardo Pita, Hélia M. Vale-Gonçalves, João A. Cabral, José A. Garrido-García, Ramón C. Soriguer, Pedro Beja, António Mira, Paulo C. Alves & Jeremy B. Searle
Glacial refugia protected and promoted biodiversity during the Pleistocene, not only at a broader scale, but also for many endemics that contracted and expanded their ranges within refugial areas. Understanding the evolutionary history of refugial endemics is especially important in the case of endangered species to recognise the origins of their genetic structure and thus produce better informed conservation practices. The Iberian Peninsula is an important European glacial refugium, rich in endemics of conservation concern,...

Data from: Individual resource limitation combined with population-wide pollen availability drives masting in the valley oak (Quercus lobata)

Walter D. Koenig, Mario B. Pesendorfer, Ian S. Pearse, Johannes M. H. Knops & Kyle A. Funk
1. Masting, the synchronized production of variable seed crops, is widespread among woody plants, but there is no consensus about the underlying proximate mechanisms. To understand this population-level behavior, it is necessary to dissect the behavior of individual trees as well as the interactions that synchronize them. 2. Here we test a model of masting in which variability in seed set is driven by resource limitation within trees and synchrony is driven by pollen limitation...

Data from: eDNA metabarcoding: a promising method for anuran surveys in highly diverse tropical forests

Carla Martins Lopes, Thais Sasso, Alice Valentini, Tony Dejean, Marcio Martins, Kelly R. Zamudio & Célio F. B. Haddad
Understanding the geographical distribution and community composition of species is crucial to monitor species persistence and define effective conservation strategies. Environmental DNA (eDNA) has emerged as a powerful noninvasive tool for species detection. However, most eDNA survey methods have been developed and applied in temperate zones. We tested the feasibility of using eDNA to survey anurans in tropical streams in the Brazilian Atlantic forest and compared the results with short-term visual and audio surveys. We...

Data from: Allele-specific transcriptome and methylome analysis reveals stable inheritance and cis-regulation of DNA methylation in Nasonia

Xu Wang, John H. Werren & Andrew G. Clark
Gene expression divergence between closely related species could be attributed to both cis- and trans- DNA sequence changes during evolution, but it is unclear how the evolutionary dynamics of epigenetic marks are regulated. In eutherian mammals, biparental DNA methylation marks are erased and reset during gametogenesis, resulting in paternal or maternal imprints which lead to genomic imprinting. Whether DNA methylation reprogramming exists in insects is not known. Wasps of the genus Nasonia are non-social parasitoids...

Data from: Strong dispersal in a parasitoid wasp overwhelms habitat fragmentation and host population dynamics

Christelle Couchoux, Perttu Seppä & Saskya Van Nouhuys
The population dynamics of a parasite depend on species traits, host dynamics, and the environment. Those dynamics are reflected in the genetic structure of the population. Habitat fragmentation has a greater impact on parasites than on their hosts because resource distribution is increasingly fragmented for species at higher trophic levels. This could lead to either more or less genetic structure than the host, depending on the relative dispersal rates of species. We examined the spatial...

Data from: Crop domestication facilitated rapid geographical expansion of a specialist pollinator, the squash bee Peponapis pruinosa

Margarita M. López-Uribe, James H. Cane, Robert L. Minckley & Bryan N. Danforth
Squash was first domesticated in Mexico and is now found throughout North America (NA) along with Peponapis pruinosa, a pollen specialist bee species of the squash genus Cucurbita. The origin and spread of squash cultivation is well-studied archaeologically and phylogenetically; however, no study has documented how cultivation of this or any other crop has influenced species in mutualistic interactions. We used molecular markers to reconstruct the demographic range expansion and colonization routes of P. pruinosa...

Registration Year

  • 2016

Resource Types

  • Dataset


  • Cornell University
  • University of California System
  • University of Minnesota
  • Estación Biológica de Doñana
  • University of Montana
  • University of Georgia
  • United States Department of Agriculture
  • Universidad San Francisco de Quito
  • University of Wisconsin-Madison
  • University of Rochester