58 Works

Ship Happens: Ever Given and Forgotten

Sarah Schiffling & Nikolaos Valantasis Kanellos

Data from: Developmental plasticity of the stress response in female but not male guppies

Laura Chouinard-Thuly, Adam R. Reddon, Ioannis Leris, Ryan L. Earley & Simon M. Reader
To survive, animals must respond appropriately to stress. Stress responses are costly, so early-life experiences with potential stressors could adaptively tailor adult stress responses to local conditions. However, how multiple stressors influence the development of the stress response remains unclear, as is the role of sex. Trinidadian guppies (Poecilia reticulata) are small fish with extensive life history differences between the sexes and population variation in predation pressure and social density. We investigated how sex and...

Data from: Pregnancy is detected via odour in a wild cooperative breeder

Jessica Mitchell, Michael A. Cant & Hazel J. Nichols
Among mammals, scent has long been known to encode oestrus; however, in many species, detecting pregnancy may also be important in terms of both competition and mate-choice. Here, we show, through odour presentation experiments, that pregnancy is discernible via scent by both sexes in the cooperatively breeding banded mongoose, Mungos mungo. Males spent more time investigating and were more likely to scent mark the odours of non-pregnant females, compared to pregnant females. Females showed increased...

Data from: Sex-specific association patterns in bonobos and chimpanzees reflect species differences in cooperation

Martin Surbeck, Cedric Girard-Buttoz, Christophe Boesch, Catherine Crockford, Barbara Fruth, Gottfried Hohmann, Kevin E. Langergraber, Klaus Zuberbühler, Roman M. Wittig & Roger Mundry
In several group-living species, individuals' social preferences are thought to be influenced by cooperation. For some societies with fission–fusion dynamics, sex-specific association patterns reflect sex differences in cooperation in within- and between-group contexts. In our study, we investigated this hypothesis further by comparing sex-specific association patterns in two closely related species, chimpanzees and bonobos, which differ in the level of between-group competition and in the degree to which sex and kinship influence dyadic cooperation. Here,...

Data from: Cambrian cinctan echinoderms shed light on feeding in the ancestral deuterostome

Imran A. Rahman, Samuel Zamora, Peter L. Falkingham & Jeremy C. Phillips
Reconstructing the feeding mode of the latest common ancestor of deuterostomes is key to elucidating the early evolution of feeding in chordates and allied phyla; however, it is debated whether the ancestral deuterostome was a tentaculate feeder or a pharyngeal filter feeder. To address this, we evaluated the hydrodynamics of feeding in a group of fossil stem-group echinoderms (cinctans) using computational fluid dynamics. We simulated water flow past three-dimensional digital models of a Cambrian fossil...

Data from: Biodiversity assessment of tropical shelf eukaryotic communities via pelagic eDNA metabarcoding

Owen S. Wangensteen, Judith Bakker, Stefano Mariani, Charles Baillie, Dayne Buddo, Demian D. Chapman, Austin J. Gallagher, Tristan L. Guttridge & Heidi Hertler
Our understanding of marine communities and their functions in an ecosystem relies on the ability to detect and monitor species distributions and abundances. Currently, the use of environmental DNA (eDNA) metabarcoding is increasingly being applied for the rapid assessment and monitoring of aquatic species. Most eDNA metabarcoding studies have either focused on the simultaneous identification of a few specific taxa/groups or have been limited in geographical scope. Here we employed eDNA metabarcoding to compare beta...

African apes data set

Joana Silva Carvalho
Aim: Modelling African great ape distribution has until now focused on current or past conditions, whilst future scenarios remain scarcely explored. Using an ensemble forecasting approach, we predicted changes in taxon-specific distribution under future scenarios of climate, land-use and human populations for 1) areas outside protected areas (PAs) only (assuming complete management effectiveness of PAs), 2) the entire study region, and 3) interspecies range overlap. Location: Tropical Africa Methods: We compiled occurrence data (n=5,203) on...

Variation in mouse pelvic morphology maps to locations enriched in Sox9 Class II and Pitx1 regulatory features

Charles Roseman, Terrence Capellini, Evelyn Jagoda, Scott Williams, Mark Grabowski, Christine O'Connor, John Polk & James Cheverud
Variation in pelvic morphology has a complex genetic basis and its patterning and specification is governed by conserved developmental pathways. Whether the mechanisms underlying the differentiation and specification of the pelvis also produce the morphological covariation on which natural selection may act is still an open question in evolutionary developmental biology. We use high-resolution Quantitative Trait Locus (QTL) mapping in the F34 generation of an advanced intercross experiment (LG,SM-G34) to characterize the genetic architecture of...

Palm fruit colours are linked to the broad-scale distribution and diversification of primate colour vision systems

Renske Onstein, Daphne Vink, Jorin Veen, Christopher Barratt, Suzette Flantua, Serge Wich & Daniel Kissling
A long-standing hypothesis in ecology and evolution is that trichromatic colour vision (the ability to distinguish red from green) in frugivorous primates has evolved as an adaptation to detect conspicuous (reddish) fruits. This could provide a competitive advantage over dichromatic frugivores which cannot distinguish reddish colours from a background of green foliage. Here, we test whether the origin, distribution and diversity of trichromatic primates is positively associated with the availability of conspicuous palm fruits, i.e....

Testing small scale ecological gradients and intraspecific differentiation for hundreds of kelp forest species using haplotypes from metabarcoding

Peter Shum & Stephen Palumbi
DNA metabarcoding has been increasingly used to detail distributions of hundreds of species. Most analyses focus on creating molecular operation taxonomic units (MOTUs) from complex mixtures of DNA sequences, but much less common is use of the sequence diversity within these MOTUs. Here we use the diversity of COI haplotypes within MOTUs from a California kelp forest to infer patterns of population abundance, dispersal and population history from 527 species of animals and algae from...

Targeted and passive environmental DNA approaches outperform established methods for detection of quagga mussels, Dreissena rostriformis bugensis in flowing water

Rosetta Blackman, Kar Keun Sean Ling, Lynsey R Harper, Peter Shum, Bernd Hänfling & Lori Lawson-Handley
The early detection of invasive non-native species (INNS) is important for informing management actions. Established monitoring methods require the collection or observation of specimens, which is unlikely at the beginning of an invasion when densities are likely to be low. Environmental DNA (eDNA) analysis is a highly promising technique for the detection of INNS – particularly during the early stages of an invasion. Here, we compared the use of traditional kick-net sampling with two eDNA...

Mammalian intestinal allometry, phylogeny, trophic level and climate

María Duque-Correa, Daryl Codron, Carlo Meloro, Amanda McGrosky, Christiann Schiffmann, Mark Edwards & Marcus Clauss
An often-stated ecomorphological assumption that has the status of ‘textbook knowledge’ is that the dimensions of the digestive tract correlate with diet, where herbivores – consuming diets of lower digestibility – have longer intestinal tracts than faunivores – consuming diets of higher digestibility. However, statistical approaches have so far failed to demonstrate this link. Here, we collated data on the length of intestinal sections and body mass of 519 mammal species, and test for various...

Data from: Kin discrimination via odour in the cooperatively breeding banded mongoose

Jessica Mitchell, Solomon Kyabulima, Robert Businge, Michael A. Cant & Hazel J. Nichols
Kin discrimination is often beneficial for group-living animals as it aids in inbreeding avoidance and providing nepotistic help. In mammals, the use of olfactory cues in kin discrimination is widespread and may occur through learning the scents of individuals that are likely to be relatives, or by assessing genetic relatedness directly through assessing odour similarity (phenotype matching). We use scent presentations to investigate these possibilities in a wild population of the banded mongoose Mungos mungo,...

Data from: Temporal and phylogenetic evolution of the sauropod dinosaur body plan

Karl T. Bates, Philip D. Mannion, Peter L. Falkingham, Stephen L. Brusatte, John R. Hutchinson, Alexandros Otero, William I. Sellers, Corwin Sullivan, Kent A. Stevens & Vivian Allen
The colossal size and body plan of sauropod dinosaurs are unparalleled in terrestrial vertebrates. However, to date, there have been only limited attempts to examine temporal and phylogenetic patterns in the sauropod bauplan. Here, we combine three-dimensional computational models with phylogenetic reconstructions to quantify the evolution of whole-body shape and body segment properties across the sauropod radiation. Limitations associated with the absence of soft tissue preservation in fossils result in large error bars about mean...

Data from: Heterochromatin Protein 1β (HP1β) has distinct functions and distinct nuclear distribution in pluripotent versus differentiated cells

Anna Mattout, Yair Aaronson, Badi Sri Sailaja, Edupuganti V. Raghu Ram, Arigela Harikumar, Jan-Philipp Mallm, Kae Hwan Sim, Malka Nissim-Rafinia, Emmanuelle Supper, Prim B. Singh, Siu Kwan Sze, Susan M. Gasser, Karsten Rippe & Eran Meshorer
Background: Pluripotent embryonic stem cells (ESCs) have the unique ability to differentiate into every cell type and to self-renew. These characteristics correlate with a distinct nuclear architecture, epigenetic signatures enriched for active chromatin marks and hyperdynamic binding of structural chromatin proteins. Recently, several chromatin-related proteins have been shown to regulate ESC pluripotency and/or differentiation, yet the role of the major heterochromatin proteins in pluripotency is unknown. Results: Here we identify Heterochromatin Protein 1β (HP1β) as...

Data from: Variation in ligand responses of the bitter taste receptors TAS2R1 and TAS2R4 among New World monkeys

Kei Tsutsui, Masahiro Otoh, Kodama Sakurai, Nami Suzuki-Hashido, Takashi Hayakawa, Takumi Misaka, Yoshiro Ishimaru, Filippo Aureli, Amanda D. Melin, Shoji Kawamura & Hiroo Imai
Background: New World monkeys (NWMs) are unique in that they exhibit remarkable interspecific variation in color vision and feeding behavior, making them an excellent model for studying sensory ecology. However, it is largely unknown whether non-visual senses co-vary with feeding ecology, especially gustation, which is expected to be indispensable in food selection. Bitter taste, which is mediated by bitter taste receptors (TAS2Rs) in the tongue, helps organisms avoid ingesting potentially toxic substances in food. In...

Data from: A cost for high levels of sperm competition in rodents: increased sperm DNA fragmentation

Javier DelBarco-Trillo, Olga García-Álvarez, Ana Soler, Maximiliano Tourmente, Julian Garde & Eduardo R. S. Roldan
Sperm competition, a prevalent evolutionary process in which the spermatozoa of two or more males compete for the fertilization of the same ovum, leads to morphological and physiological adaptations, including increases in energetic metabolism that may serve to propel sperm faster but that may have negative effects on DNA integrity. Sperm DNA damage is associated with reduced rates of fertilization, embryo and foetal loss, offspring mortality, and mutations leading to genetic disease. We tested whether...

Data from: Evolutionary renovation of L/M opsin polymorphism confers a fruit discrimination advantage to ateline New World monkeys

Yoshifumi Matsumoto, Chihiro Hiramatsu, Yuka Matsushita, Norihiro Ozawa, Ryuichi Ashino, Makiko Nakata, Satoshi Kasagi, Anthony Di Fiore, Colleen Schaffner, Filippo Aureli, Amanda D. Melin, Shoji Kawamura & Colleen M. Schaffner
New World monkeys exhibit prominent color vision variation due to allelic polymorphism of the long-to-middle wavelength (L/M) opsin gene. The known spectral variation of L/M opsins in primates is broadly determined by amino acid composition at three sites: 180, 277 and 285 (the “three-sites” rule). However, two L/M opsin alleles found in the black-handed spider monkeys (Ateles geoffroyi) are known exceptions, presumably due to novel mutations. The spectral separation of the two L/M photopigments is...

Data from: Genetic diversity and historical biogeography of the Maltese wall lizard, Podarcis filfolensis (Squamata: Lacertidae)

Virginia Rodríguez, Richard P. Brown, Bàrbara Terrasa, Valentín Pérez-Mellado, Antònia Picornell, José A. Castro & Cori Ramon
Podarcis filfolensis is an endemic lizard from the Maltese archipelago. There is evidence of human-mediated decline and even extirpation of some insular populations of this species. However, information about the intraspecific genetic diversity and phylogeographic patterns of this species is limited. Here we analyze genetic markers from a multi-locus dataset (mtDNA, 2,533 bp; nuclear c-mos gene, 353 bp; 11 microsatellites) for individuals from extant populations of P. filfolensis. Despite generally low genetic variability, two main...

Data from: Genetic analysis of Boletus edulis suggests that intra-specific competition may reduce local genetic diversity as a woodland ages

Vivienne Litzke, Rebecca Nagel, Joseph Hoffman, David Wells & William Amos
Ectomycorrhizal fungi are key players in terrestrial ecosystems yet their mating systems and population dynamics remain poorly understood. We investigated the fine-scale relatedness structure and genetic diversity of Boletus edulis, one of the world’s most commercially important wild mushrooms. Microsatellite genotyping of fruiting bodies from 14 different sites around Bielefeld in Germany revealed little in the way of population structure over a geographic scale of several kilometers. However, on a more local scale we found...

Acoustic and temporal birdsong measurements

Tristan Kleyn, Mariane Da Cruz Kaizer & Luiza Figueiredo Passos
In tropical birds, survival is dependent on the ability to effectively communicate with others against a background of high ambient noise. The Acoustic Niche Hypothesis proposes that the deterrent selective force of signal masking has caused animals sharing a habitat to partition their calling behaviour amongst the acoustic bandwidths available, so as to minimise interference between one another. Whether and why species share the so-called ‘acoustic space’ remains a gap in our understanding of animal...

Early life growth and telomere length in wild boar piglets 2018

Magdalena Spießberger, Franz Hoelzl, Steve Smith, Sebastian Vetter & Julia Nowack
Life history theory predicts a trade-off between growth rates and lifespan, which is reflected by telomere length, a biomarker of somatic state. We investigated the correlation between telomere length and early life growth of wild boar piglets, Sus scrofa, kept under semi-natural conditions with high food availability to examine our hypothesis that increased pre-and post-natal growth will lead to telomere length attrition but that a high supply of nutrient may provide the possibility to compensate...

Environmental DNA effectively captures functional diversity of coastal fish communities

Giorgio Aglieri, Charles Baillie, Stefano Mariani, Carlo Cattano, Antonio Calò, Gabriele Turco, Davide Spatafora, Antonio Di Franco, Manfredi Di Lorenzo, Paolo Guidetti & Marco Milazzo
Robust assessments of taxonomic and functional diversity are essential components of research programs aimed at understanding current biodiversity patterns and forecasting trajectories of ecological changes. Yet, evaluating marine biodiversity along its dimensions is challenging and dependent on the power and accuracy of the available data collection methods. Here we combine three traditional survey methodologies [Underwater Visual Census strip transects (UVCt), Baited Underwater Videos (BUVs) and Small Scale Fishery catches (SSFc)], and one novel molecular technique...

Dataset from: Ardipithecus hand provides evidence that humans and chimpanzees evolved from an ancestor with suspensory adaptations

Thomas Cody Prang, Kristen Ramirez, Mark Grabowski & Scott Williams
The morphology and positional behavior of the last common ancestor of humans and chimpanzees are critical for understanding the evolution of bipedalism. Early 20th century anatomical research supported the view that humans evolved from a suspensory ancestor bearing some resemblance to apes. However, the hand of the 4.4 million-year-old hominin Ardipithecus ramidus, purportedly provides evidence that the hominin hand was derived from a more generalized form. Here we use morphometric and phylogenetic comparative methods to...

Evolutionary versatility of the avian neck

Ryan Marek, Peter Falkingham, Roger Benson, James Gardiner, Thomas Maddox & Karl Bates
Bird necks display unparalleled levels of morphological diversity compared to other vertebrates, yet it is unclear what factors have structured this variation. Using 3D geometric morphometrics and multivariate statistics we show that the avian cervical column is a hierarchical morpho-functional appendage, with varying magnitudes of ecologically-driven morphological variation at different scales of organisation. Contrary to expectations given the widely-varying ecological functions of necks in different species, we find that regional modularity of the avian neck...

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