Zoology: Recent submissions
Now showing items 21-40 of 241
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Small islands and large biogeographic barriers have driven contrasting speciation patterns in Indo-Pacific sunbirds (Aves: Nectariniidae)
(2022)Birds of the Indo-Pacific have provided biologists with many foundationalinsights. This study presents evidence for strong phylogeographic structure in two sunbird species from the heart of this region, the olive-backed ... -
Joint development recovery on resumption of embryonic movement following paralysis
(2021)Fetal activity in utero is a normal part of pregnancy and reduced or absent movement can lead to long-term skeletal defects, such as Fetal Akinesia Deformation Sequence, joint dysplasia and arthrogryposis. A variety of ... -
Mechanical Stimulation via Muscle Activity is Necessary for the Maturation of Tendon Multiscale Mechanics during Embryonic Development
(2021)During embryonic development, tendons transform into a hypocellular tissue with robust tensile load-bearing capabilities. Previous work suggests that this mechanical transformation is due to increases in collagen fibril ... -
Abnormal fetal muscle forces result in defects in spinal curvature and alterations in vertebral segmentation and shape
(2017)The incidence of congenital spine deformities, including congenital scoliosis, kyphosis, and lordosis, may be influenced by the in utero mechanical environment, and particularly by fetal movements at critical time-points. ... -
Techniques for Studying Mechanobiology
(Elsivier, 2018)Lying at the intersection between engineering and biology, mechanobiology is a nascent field of study that investigates adaptation of the structure and behavior of tissues in response to mechanical loading. While mechanobiology ... -
Short-term foetal immobility temporally and progressively affects chick spinal curvature and anatomy and rib development
(2019)Congenital spine deformities may be influenced by movements in utero, but the effects of foetal immobility on spine and rib development remain unclear. The purpose of the present study was to determine (1) critical time-periods ... -
Effects of abnormal muscle forces on prenatal joint morphogenesis in mice
(2019)Fetal movements are essential for normal development of the human skeleton. When fetal movements are reduced or restricted, infants are at higher risk of developmental dysplasia of the hip and arthrogryposis (multiple joint ... -
Investigating the mechanistic basis of biomechanical input controlling skeletal development: exploring the interplay with Wnt signalling at the joint
(University of Edinburgh (datashare), 2018)Embryo movement is essential to the formation of a functional skeleton. Using mouse and chick models, we previously showed that mechanical forces influence gene regulation and tissue patterning, particularly at developing ... -
Quantifying the tolerance of chick hip joint development to temporary paralysis and the potential for recovery
(2021)Background: Abnormal fetal movements are implicated in joint pathologies such as arthrogryposis and developmental dysplasia of the hip (DDH). Experimentally induced paralysis disrupts joint cavitation and morphogenesis ... -
Integrated analysis of Wnt signalling system component gene expression
(2022)Wnt signalling controls patterning and differentiation across many tissues and organs of the developing embryo through temporally and spatially restricted expression of multi-gene families encoding ligands, receptors, ... -
WlzWarp: An Open-Source Tool for Complex Alignment of Spatial Data
(2022)Background: The spatio-temporal organisation of many biological processes such as gene-expression and neuronal activity is critical to understanding the overall biological behaviour, phenotype and disease. This is ... -
Population Ecology from Local to Global Scales: a case study using Plantago lanceolata
(Trinity College Dublin. School of Natural Sciences. Discipline of Zoology, 2022)This thesis investigated approaches to infer on demographic processes across varying scales and environmental gradients, pulling information from multiple sources. I used the model organism Plantago lanceolata. This perennial ... -
Spatio-temporal variability in the deposition of beach-cast kelp (wrack) and inter-specific differences in degradation rates
(2021)Coastal habitats dominated by marine macroalgae typically exhibit high rates of pri- mary productivity and play a key role in local and regional carbon cycles and stores. In temperate regions, large brown algae (i.e. ... -
Tramps in transition: genetic differentiation between populations of an iconic "supertramp" taxon in the Central Indo-Pacific
(2022)The island monarch ( Monarcha cinerascens) was an original example of the “supertramp strategy ”. This involves well-developed dispersal specialisation, enabling a species to colonise remote islands but leaving it competitively ... -
The stability of ecosystems under global environmental change
(Trinity College Dublin. School of Natural Sciences. Discipline of Zoology, 2022)Through global environmental change, humans are modifying the planet at an unprecedented rate and scale, triggering the ongoing biodiversity and climate crises. Ecological stability and the consistency of nature s contributions ... -
Evaluating the status and prospects of blue carbon in Ireland and the North-East Atlantic
(Trinity College Dublin. School of Natural Sciences. Discipline of Zoology, 2022)Since its conception in 2011, the concept of blue carbon has been valuable to focus the field of ecosystem services on carbon sequestration by marine macrophytic communities, which has been historically overlooked. In ... -
Geometric analysis of chondrogenic self-organisation of embryonic limb bud cells in micromass culture.
(Springer Nature, 2022)Spatial and temporal control of chondrogenesis generates precise, species-specific patterns of skeletal structures in the developing vertebrate limb. The pattern-template is laid down when mesenchymal cells at the core ... -
Evolution in the understorey: The Sulawesi babbler Pellorneum celebense (Passeriformes: Pellorneidae) has diverged rapidly on land-bridge islands in the Wallacean biodiversity hotspot
(2021)Tropical islands hold great treasures of Earth's biodiversity, but these fragile ecosystems may be lost before their diversity is fully catalogued or the evolutionary processes that birthed it are understood. We ran ... -
Taxonomy and ecology of epilithic diatoms in Irish lakes
(Trinity College Dublin. School of Natural Sciences. Discipline of Zoology, 2021)Benthic algae are significant primary producers and important in biogeochemical cycling in shallow lakes in particular, but epilithic diatom ecology is poorly understood compared to phytoplankton and higher trophic levels. ... -
General mechanisms for non-additivity between multiple stressors at higher temporal and biological scales
(Trinity College Dublin. School of Natural Sciences. Discipline of Zoology, 2021)Multiple anthropogenic stressors threaten the diversity, stability and functioning of ecosystems worldwide. The combined effects of these stressors can, however, be surprisingly difficult to predict due to complex interactions ...
