A5072916424- Crustacean biology and ecology
- Marine Biology and Ecology Research
- Marine and fisheries research
- Protist diversity and phylogeny
- Cardiovascular and exercise physiology
- Nitric Oxide and Endothelin Effects
- Fish biology, ecology, and behavior
- Coral and Marine Ecosystems Studies
- Fish Biology and Ecology Studies
- Physiological and biochemical adaptations
- Neurobiology and Insect Physiology Research
- Diabetes Treatment and Management
- Thermoregulation and physiological responses
- Muscle metabolism and nutrition
- Chronic Kidney Disease and Diabetes
- Marine Invertebrate Physiology and Ecology
- RNA regulation and disease
- Dermatological and Skeletal Disorders
- Polyomavirus and related diseases
- Peripheral Artery Disease Management
- Marine and coastal plant biology
- Aquatic Invertebrate Ecology and Behavior
- Circular RNAs in diseases
- Cardiovascular, Neuropeptides, and Oxidative Stress Research
- Exercise and Physiological Responses
Museums Victoria
2018-2024
National University of Ireland, Maynooth
2024
Peter MacCallum Cancer Centre
2001-2006
The Heart Research Institute
2005
Baker Heart and Diabetes Institute
1995-2003
The Alfred Hospital
2003
Heidelberg Repatriation Hospital
2000
The University of Melbourne
2000
University of Colorado Boulder
1992-1995
UNSW Sydney
1984-1994
Deep water ethusid crabs, genus Ethusina, are confirmed for the first time from Australia, with additional distribution records New Zealand waters. Prior to present study, Ethusina was reported Australia on basis of a single unidentified species southwestern Australia. Four herein: castro Ahyong, 2008, E. ciliacirrata Castro, 2005, robusta (Miers, 1886), and rowdeni 2008. castro, previously known only female holotype northern is eastern Lord Howe Rise Monowai Caldera, including males....
Abstract —Vascular disease often involves vessel hypertrophy with underlying cellular or hyperplasia. Experimental diabetes stimulates of the rat mesenteric vasculature, and we investigated hypothesis that this is associated activation Na + -H exchange (NHE) activity. We measured NHE activity in isolated, intact blood vessels from control streptozotocin-induced diabetic adult rats using concurrent myography fluorescence spectroscopy. The role inhibiting preventing development...
The Great Australian Bight (GAB) comprises the majority of Australia's southern coastline, but to date its deep water fauna has remained almost unknown. Recent issuing oil and gas leases in region highlighted this lack baseline biological data established a pressing need characterise benthic abyssal fauna. From 2013 2017, six large-scale systematic surveys GAB were conducted from 200 5000 m depth, constituting deepest sampling Australia. Sampling was on soft sediment hard substrates, both at...
Abstract Background Our knowledge of the benthic fauna at lower bathyal to abyssal (LBA, > 2000 m) depths off Eastern Australia was very limited with only a few samples having been collected from these habitats over last 150 years. In May–June 2017, IN2017_V03 expedition RV Investigator sampled LBA communities along slope and abyss Australia’s eastern margin mid-Tasmania (42°S) Coral Sea (23°S), particular emphasis on describing analysing patterns biodiversity that occur within newly...
Lung and gill performance in gas exchange have been evaluated eight species of air-breathing crabs with two different lung circulatory designs, those portal systems smooth linings, without invaginated evaginated linings. In all species, the lungs were extremely effective oxygen uptake whilst gills was inferior. An exception to this Gecarcoidea natalis, which has highly modified for aerial exchange; its equally efficient O2 uptake. The relative efficiencies CO2 excretion differed between...
Abstract The respiratory system of Ocypode cordimanus consists seven pairs gills, modified for aerial gas exchange, and a single pair lungs. Each lung is formed from the inner surface branchiostegite thoracic wall branchial chamber. branchiostegal increased by fleshy infolding, shelf, whilst area enhanced large flaplike fold. anatomy major sinus systems vascular supply to lungs were investigated. Venous hemolymph supplied potentially all body sinuses. dorsal, ventral, hepatic, infrabranchial...
Abstract The highly terrestrial grapsids and gecarcinids the amphibious sundathelphusids all have large, expanded branchial chambers. lining of chambers is smooth well vascularized, it functions as a lung. respiratory membrane cuticle lung are extremely thin (200–350 nm). blood vessels within formed from connective tissue cells supported by collagen fibres lined basal lamina. major in embedded deep branchiostegite lie just beneath thick outer carapace. These branch towards membrane, where...
Information on the blood systems of gills water-breathing crabs, and lungs air-breathing is summarized. Blood flow through gill lamellae channeled by rows ofpillar cells intralamellar septum, distinct afferent efferent areas are apparent. Potential flow-control structures occur at junctions between where channels enter branchial vessel. The also receive a direct arterial supply blood. inner surfaces branchiostegites (lungs) aquatic amphibious crabs vascularized, in terrestrial forms this...
Abstract The five gill pairs of Mictyris longicarpus have the lowest weight specific area reported for any crab. cuticle lamellae is lined with epithelial cells which structural features characteristic iontransporting cells. Pillar are regularly distributed in epithelium and serve to maintain separation two faces lamellae. central hemolymph space divided into sheets by a fenestrated septum connective tissue dorsal portion marginal canal each lamella receives from afferent branchial vessel...
The morphometrics of the respiratory system, voluntary emersion behaviour, and gas exchange during immersion were examined in amphibious, intertidal crab Hemigrapsus nudus. area gills (area = 993.8(body mass)0.83, where is square millimeters body mass grams) considerably reduced compared with that aquatic species but similar to gill areas other amphibious crabs. lungs occupy a large proportion branchiostegites are highly vascularised, although organisation vasculature relatively...
The aim was to determine the mechanisms, particularly bicarbonate dependent of intracellular pH (pHi) recovery from various acidoses in vascular smooth muscle and explore ATP dependency respective mechanisms.Experiments were conducted rat aortic cells grown primary culture synchronised a non-growing state by serum deprivation. pHi measured loaded with sensitive fluorescent dye, 2',7'-bis-(2-carboxyethyl)-5-(and 6)-carboxyfluorescein (BCECF). Chloride efflux studied determination rate 36Cl...
Abstract Holthuisana transversa reabsorbs much of its exoskeletal calcium in the last 3 days before ecdysis and stores it circulating granules haemocoel non‐circulating subepidermal connective tissue. Calcium enters epidermal cells from moulting fluid, probably through their apical microvilli is either incorporated into intracellular or exits cell via basolateral membranes to be used formation two other granule types. Intracellular (0.4–2 μm long) form large masses cytoplasm cells. They are...
A collection of deepwater decapods systematically sampled from Australia's continental slope and abyssal plain (200-5000 m) is reported the combined surveys Great Australian Bight (GAB) south-east central-east coast Australia (ECA).This report documents 191 species (115 GAB 108 ECA (with 33 shared species)) in 44 families: Dendrobranchiata (32 species), Caridea (57 Polychelida (10 Achelata (3 Astacidea Axiidea (2 Anomura (52 Brachyura species).Nineteen per cent (37) all are suspected to be...
Timed perfusions of capillaries in soleus, vastus lateralis, and diaphragm rats were determined by injecting a fluorescent dye into the aorta or right atrium. At preselected time intervals after injection, circulation was interrupted, skeletal muscles excised frozen, numerical counts made from transverse sections muscles. When injected atrium relatively slowly aorta, 100% contained 3 s 5 diaphragm, 7 soleus. Rapid injection delayed capillary filling. The rapid appearance muscle...
Wegener's granulomatosis classically presents radiologically with paranasal sinus disease, pulmonary nodules (Carrington and Liebow, 1966) renal failure due to acute glomerulonephritis. It is a disease characterized by necrotizing granulomatous vasculitis of the upper lower respiratory tracts kidneys. may be generalized involvement, when it known as systemic granulomatosis, or localized without termed “limited granulomatosis”.
Abstract Aberrant intestinal inflammation plays a critical role in the development of colitis-associated colorectal cancer (CAC), yet mechanisms controlling tumor by myeloid immune compartment are not fully understood. Although altered microRNA expression is observed CAC, it also unclear how myeloid-specific microRNAs impact inflammatory process that underpins continuum from ulcerative colitis to tumorigenesis. In this study, we report miR-223 acts limit myeloid-driven azoxymethane...