271 Works

National ASTER Map TIR Gypsum index

Tom Cudahy, Michael Caccetta, Ian Lau, Andrew Rodger, Carsten Laukamp, Cindy Ong, Joanne Chia, Simon Collings, Terry Rankine, Ryan Fraser, Robert Woodcock, Josh Vote, Peter Warren, Matilda Thomas, Ian Tyler, Alan Mauger, Dorothy Close, Mal Jones & Mike Abrams

Detection of potential functional variants based on systems-biology: the case of feed efficiency in beef cattle

Gabriela Ribeiro, Fernando Baldi, Aline S. M. Cesar, Pâmela A. Alexandre, Elisa Peripolli, José B. S. Ferraz & Heidge Fukumasu
Abstract Background Potential functional variants (PFVs) can be defined as genetic variants responsible for a given phenotype. Ultimately, these are the best DNA markers for animal breeding and selection, especially for polygenic and complex phenotypes. Herein, we described the identification of PFVs for complex phenotypes (in this case, Feed Efficiency in beef cattle) using a systems-biology driven approach based on RNA-seq data from physiologically relevant organs. Results The systems-biology coupled with deep molecular phenotyping by...

Four Decades of Seagrass Spatial Data from Torres Strait and Gulf of Carpentaria (NESP MaC Project 1.13, TropWATER JCU)

Alex Carter, Skye McKenna, Rob Coles, Michael Rasheed, Helen Taylor, Chris Van de Wetering, Katie Chartrand, Carissa Reason, Catherine Collier, Lloyd Shepherd, Jane Mellors, Len McKenzie, Anthony Roelofs, Neil Smit, Rachel Groom, David Barret, Shaun Evans, Roland Pitcher, Norm Duke, Moni Carlisle, Madeina David, Stan Lui, Laura Pearson, Troy Laza & Aaron Bon

Long non-coding RNA XIST promotes the progression of esophageal squamous cell carcinoma through sponging miR-129-5p and upregulating CCND1 expression

Haoran Wang, Haomiao Li, Yongkui Yu, Qingfeng Jiang, Ruixiang Zhang, Haibo Sun, Wenqun Xing & Yin Li
Long non-coding RNA (lncRNA) X inactive specific transcript (XIST) has been identified as an oncogenic lncRNA in a series of human cancers, including esophageal squamous cell carcinoma (ESCC). In this study, we aimed to further explore the underlying mechanism of XIST on ESCC progression. qRT-PCR assay was used to determine the levels of XIST and miR-129-5p. Western blot analysis was performed to assess cyclin D1 (CCND1) expression. Bioinformatic analysis was performed using starBase v2.0 software....

Data from: Understanding age-specific dispersal in fishes through hydrodynamic modelling, genetic simulations and microsatellite DNA analysis

Oliver Berry, Philip England, Ross J. Marriot, Stephen J. Newman & Christopher P. Burridge
Many marine species have vastly different capacities for dispersal during larval, juvenile and adult life stages, and this has the potential to complicate the identification of population boundaries and the implementation of effective management strategies such as marine protected areas. Genetic studies of population structure and dispersal rarely disentangle these differences and usually provide only lifetime-averaged information that can be considered by managers. We address this limitation by combining age-specific autocorrelation analysis of microsatellite genotypes,...

Data from: Transcriptome analysis reveals novel patterning and pigmentation genes underlying Heliconius butterfly wing pattern variation

Heather M. Hines, Riccardo Papa, Mayte Ruiz, Alexie Papanicolaou, Charles Wang, H. Frederik Nijhout, W. Owen McMillan & Robert D. Reed
BACKGROUND: Heliconius butterfly wing pattern diversity offers a unique opportunity to investigate how natural genetic variation can drive the evolution of complex adaptive phenotypes. Positional cloning and candidate gene studies have identified a handful of regulatory and pigmentation genes implicated in Heliconius wing pattern variation, but little is known about the greater developmental networks within which these genes interact to pattern a wing. Here we took a large-scale transcriptomic approach to identify the network of...

Data from: Multiple host-shifts by the emerging honeybee parasite, Varroa jacobsoni

John M. K. Roberts, Denis L. Anderson & Wee Tek Tay
Host shifts are a key mechanism of parasite evolution and responsible for the emergence of many economically important pathogens. Varroa destructor has been a major factor in global honeybee (Apis mellifera) declines since shifting hosts from the Asian honeybee (Apis cerana) > 50 years ago. Until recently, only two haplotypes of V. destructor (Korea and Japan) had successfully host shifted to A. mellifera. In 2008, the sister species V. jacobsoni was found for the first...

Data from: Genome-wide scans reveal cryptic population structure in a dry-adapted eucalypt

Dorothy A. Steane, Brad M. Potts, Elizabeth McLean, Lesley Collins, Suzanne M. Prober, William D. Stock, René E. Vaillancourt & Margaret Byrne
Genome-wide DArTseq scans of 268 individuals of Eucalyptus salubris, distributed along an aridity gradient in southwestern Australia, revealed cryptic population structure that appears to signal hitherto unappreciated ecotypic differentiation and barriers to gene flow. Genome-wide scans were undertaken on 30 wild-sampled individuals from each of nine populations; 10 individuals per population were measured for habit and functional traits. DArTseq generated 16,122 high-quality markers, of which 56.3 % located to E. grandis chromosomes. Genetic affinities of...

Data from: Local origin of global contact numbers in frictional ellipsoid packings

Fabian M. Schaller, Max Neudecker, Mohammad Saadatfar, Gary W. Delaney, Gerd E. Schröder-Turk & Matthias Schröter
In particulate soft matter systems the average number of contacts Z of a particle is an important predictor of the mechanical properties of the system. Using x-ray tomography, we analyze packings of frictional, oblate ellipsoids of various aspect ratios α, prepared at different global volume fractions ϕg. We find that Z is a monotonically increasing function of ϕg for all α. We demonstrate that this functional dependence can be explained by a local analysis where...

Data from: Larval settlement: the role of surface topography for sessile coral reef invertebrates

Steve Whalan, Muhammad A. Abdul Wahab, Susanne Sprungala, Andrew J. Poole & Rocky De Nys
For sessile marine invertebrates with complex life cycles, habitat choice is directed by the larval phase. Defining which habitat-linked cues are implicated in sessile invertebrate larval settlement has largely concentrated on chemical cues which are thought to signal optimal habitat. There has been less effort establishing physical settlement cues, including the role of surface microtopography. This laboratory based study tested whether surface microtopography alone (without chemical cues) plays an important contributing role in the settlement...

Data from: How much is new information worth? Evaluating the financial benefit of resolving management uncertainty.

Sean L. Maxwell, Jonathan R. Rhodes, Michael C. Runge, Hugh P. Possingham, Chooi Fei Ng & Eve McDonald-Madden
1. Conservation decision-makers face a trade-off between spending limited funds on direct management action, or gaining new information in an attempt to improve management performance in the future. Value-of-information analysis can help to resolve this trade-off by evaluating how much management performance could improve if new information was gained. Value-of-information analysis has been used extensively in other disciplines, but there are only a few examples where it has informed conservation planning, none of which have...

Data from: Exploring the in meso crystallization mechanism by characterizing the lipid mesophase microenvironment during the growth of single transmembrane α-helical peptide crystals

, Konstantin Knoblich, Shane A. Seabrook, Nigel M. Kirby, Stephen T. Mudie, Deborah Lau, Xu Li, Sally L. Gras, Xavier Mulet, Matthew E. Call, Melissa J. Call, Calum J. Drummond & Charlotte E. Conn
The proposed mechanism for in meso crystallisation of transmembrane proteins suggests that a protein or peptide is initially uniformly dispersed in the lipid self-assembly cubic phase but that crystals grow from a local lamellar phase, which acts as a conduit between the crystal and the bulk cubic phase. However, there is very limited experimental evidence for this theory. We have developed protocols to investigate the lipid mesophase microenvironment during crystal growth using standard procedures readily...

Data from: Adaptation services of floodplains and wetlands under transformational climate change

Matthew J. Colloff, Sandra Lavorel, Russell M. Wise, Michael Dunlop, Ian C. Overton & Kristen J. Williams
Adaptation services are the ecosystem processes and services that benefit people by increasing their ability to adapt to change. Benefits may accrue from existing but newly-used services where ecosystems persist, or from novel services supplied following ecosystem transformation. Ecosystem properties that enable persistence or transformation are important adaptation services because they support future options. The adaptation services approach can be applied to decisions on trade-offs between currently valued services and benefits from maintaining future options....

Data from: Controlled comparison of species- and community-level models across novel climates and communities

Kaitlin Clare Maguire, Diego Nieto-Lugilde, Jessica Blois, Matthew Fitzpatrick, John Williams, Simon Ferrier & David Lorenz
Species distribution models (SDMs) assume species exist in isolation and do not influence one another's distributions, thus potentially limiting their ability to predict biodiversity patterns. Community-level models (CLMs) capitalize on species co-occurrences to fit shared environmental responses of species and communities, and therefore may result in more robust and transferable models. Here, we conduct a controlled comparison of five paired SDMs and CLMs across changing climates, using palaeoclimatic simulations and fossil-pollen records of eastern North...

Data from: A phylogenetic analysis of macroevolutionary patterns in fermentative yeasts

Rocío Paleo-López, Julian Fernando Quintero-Galvis, Jaiber J. Solano-Iguaran, Angela M. Sanchez-Salazar, Juan Diego Gaitán-Espitia, Roberto F. Nespolo & Juan D. Gaitan-Espitia
When novel sources of ecological opportunity are available, physiological innovations can trigger adaptive radiations. This could be the case of yeasts (Saccharomycotina), in which an evolutionary novelty is represented by the capacity to exploit simple sugars from fruits (fermentation). During adaptive radiations, diversification and morphological evolution are predicted to slow-down after early bursts of diversification. Here, we performed the first comparative phylogenetic analysis in yeasts, testing the “early burst” prediction on species diversification and also...

Data from: Evolutionary history shapes patterns of mutualistic benefit in Acacia-rhizobial interactions

Luke Barrett, Peter Zee, James D. Bever, Joseph T. Miller, Peter Thrall, Luke G. Barrett & Peter H. Thrall
The ecological and evolutionary factors that drive the emergence and maintenance of variation in mutualistic benefit (i.e. the benefits provided by one partner to another) in mutualistic symbioses are not well understood. In this study we evaluated the role that host and symbiont phylogeny might play in determining patterns of mutualistic benefit (host response) for interactions among nine species of Acacia and 31 strains of nitrogen-fixing rhizobial bacteria. Using phylogenetic comparative methods we compared patterns...

Data from: Citizen science program shows urban areas have lower occurrence of frog species, but not accelerated declines

Martin J. Westgate, Ben C. Scheele, Karen Ikin, Anke Maria Hoefer, R. Matthew Beaty, Murray Evans, Will Osborne, David Hunter, Laura Rayner & Don A. Driscoll
Understanding the influence of landscape change on animal populations is critical to inform biodiversity conservation efforts. A particularly important goal is to understand how urban density affects the persistence of animal populations through time, and how these impacts can be mediated by habitat provision; but data on this question are limited for some taxa. Here, we use data from a citizen science monitoring program to investigate the effect of urbanization on patterns of frog species...

Data from: Merino and Merino-derived sheep breeds: a genome-wide intercontinental study

Elena Ciani, Emiliano Lasagna, Mariasilvia D’Andrea, Ingrid Alloggio, Fabio Marroni, Simone Ceccobelli, Juan Vicente Delgado Bermejo, Francesca Maria Sarti, James Kijas, Johannes A. Lenstra, Fabio Pilla & International Sheep Genomics Consortium
Background: Merino and Merino-derived sheep breeds have been widely distributed across the world, both as purebred and admixed populations. They represent an economically and historically important genetic resource which over time has been used as the basis for the development of new breeds. In order to examine the genetic influence of Merino in the context of a global collection of domestic sheep breeds, we analyzed genotype data that were obtained with the OvineSNP50 BeadChip (Illumina)...

Data from: Biological introduction threats from shipping in a warming Arctic

Chris Ware, Jørgen Berge, Anders Jelmert, Steffen M. Olsen, Loïc Pellissier, Mary Wisz, Darren Kriticos, Georgy Semenov, Slawomir Kwasniewski & Inger G. Alsos
Several decades of research on invasive marine species have yielded a broad understanding of the nature of species invasion mechanisms and associated threats globally. However, this is not true of the Arctic, a region where ongoing climatic changes may promote species invasion. Here, we evaluated risks associated with non-indigenous propagule loads discharged with ships' ballast water to the high-Arctic archipelago, Svalbard, as a case study for the wider Arctic. We sampled and identified transferred propagules...

Data from: DNA metabarcoding for diet analysis and biodiversity: A case study using the endangered Australian sea lion (Neophoca cinerea)

Tina E. Berry, Sylvia K. Osterrieder, Dáithí C. Murray, Megan L. Coghlan, Anthony J. Richardson, Alicia K. Grealy, Michael Stat, Lars Bejder & Michael Bunce
The analysis of apex predator diet has the ability to deliver valuable insights into ecosystem health, and the potential impacts a predator might have on commercially relevant species. The Australian sea lion (Neophoca cinerea) is an endemic apex predator and one of the world's most endangered pinnipeds. Given that prey availability is vital to the survival of top predators, this study set out to understand what dietary information DNA metabarcoding could yield from 36 sea...

Data from: Population assignment in autopolyploids

David L. Field, Linda M. Broadhurst, Carole P. Elliot & Andrew G. Young
Understanding patterns of contemporary gene dispersal within and among populations is of critical importance to population genetics and in managing populations for conservation. In contrast to diploids, there are few studies of gene dispersal in autopolyploids, in part due to complex polysomic inheritance and genotype ambiguity. Here we develop a novel approach for population assignment for codominant markers for autotetraploids and autohexaploids. This method accounts for polysomic inheritance, unreduced gametes and unknown allele dosage. It...

Data from: An environmental DNA-based method for monitoring spawning activity: a case study, using the endangered Macquarie perch (Macquaria australasica)

Jonas Bylemans, Elise M. Furlan, Christopher M. Hardy, Prudence McGuffie, Mark Lintermans & Dianne M. Gleeson
Determining the timing and location of reproductive events is critical for efficient management of species. However, methods currently used for aquatic species are costly, time intensive, biased and often require destructive or injurious sampling. Hence, developing a non-invasive sampling method to accurately determine the timing and location of reproduction for aquatic species would be extremely valuable. We conducted an experimental and field study to determine the influence of spawning, and the mass release of spermatozoa...

Data from: When to monitor and when to act: value of information theory for multiple management units and limited budgets

Joseph R. Bennett, Sean L. Maxwell, Amanda E. Martin, Iadine Chadès, Lenore Fahrig & Benjamin Gilbert
1.The question of when to monitor and when to act is fundamental to applied ecology, and notoriously difficult to answer. Value of information (VOI) theory holds great promise to help answer this question for many management problems. However, VOI theory in applied ecology has only been demonstrated in single-decision problems, and has lacked explicit links between monitoring and management costs. 2.Here, we present an extension of VOI theory for solving multi-unit decisions of whether to...

Data from: Herbivores safeguard plant diversity by reducing variability in dominance

Brent Mortensen, Brent Danielson, Stan W. Harpole, Juan Alberti, Carlos Alberto Arnillas, Lori Biederman, Elizabeth T. Borer, Marc W. Cadotte, John M. Dwyer, Nicole Hagenah, Yann Hautier, Pablo Luis Peri, Eric W. Seabloom & W. Stanley Harpole
1. Reductions in community evenness can lead to local extinctions as dominant species exclude subordinate species; however, herbivores can prevent competitive exclusion by consuming otherwise dominant plant species, thus increasing evenness. While these predictions logically result from chronic, gradual reductions in evenness, rapid, temporary pulses of dominance may also reduce species richness. Short pulses of dominance can occur as biotic or abiotic conditions temporarily favor one or a few species, manifested as increased temporal variability...

Data from: Predicting the effects of parasite co-infection across species boundaries

Joanne Lello, Susan J. McClure, Kerri Tyrrell & Mark E. Viney
It is normal for hosts to be coinfected by parasites. Interactions among coinfecting species can have profound consequences, including changing parasite transmission dynamics, altering disease severity, and confounding attempts at parasite control. Despite the importance of coinfection, there is currently no way to predict how different parasite species may interact with one another, nor the consequences of those interactions. Here we demonstrate a method that enables such prediction by identifying two nematode parasite groups based...

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