bufo marinus

Summary

Summary: A species of the true toads, Bufonidae, becoming fairly common in the southern United States and almost pantropical. The secretions from the skin glands of this species are very toxic to animals.

Top Publications

  1. ncbi Electrophoretic and functional identification of two troponin C isoforms in toad skeletal muscle fibers
    Brett O'Connell
    Muscle Cell Biochemistry Laboratory, School of Biomedical Sciences, Victoria Univ, PO Box 14428, MCMC, Melbourne, Victoria 8001, Australia
    Am J Physiol Cell Physiol 290:C515-23. 2006
  2. ncbi Invasion and the evolution of speed in toads
    Benjamin L Phillips
    School of Biological Sciences A08, University of Sydney, New South Wales 2006, Australia
    Nature 439:803. 2006
  3. ncbi Ontogenetic variation in the chemical defenses of cane toads (Bufo marinus): toxin profiles and effects on predators
    R Andrew Hayes
    Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland, Australia
    J Chem Ecol 35:391-9. 2009
  4. ncbi The ecological impact of invasive cane toads (Bufo marinus) in Australia
    Richard Shine
    School of Biological Sciences A08, University of Sydney, NSW 2006, Australia
    Q Rev Biol 85:253-91. 2010
  5. pmc Inferring population history from microsatellite and enzyme data in serially introduced cane toads, Bufo marinus
    A Estoup
    Department of Zoology and Entomology, University of Queensland, QLD 4072 Australia
    Genetics 159:1671-87. 2001
  6. ncbi Origin of the parasites of an invading species, the Australian cane toad (Bufo marinus): are the lungworms Australian or American?
    Sylvain Dubey
    School of Biological Sciences A08, University of Sydney, Sydney, NSW 2006, Australia
    Mol Ecol 17:4418-24. 2008
  7. ncbi Rhabdias pseudosphaerocephala infection in Bufo marinus: lung nematodes reduce viability of metamorph cane toads
    C Kelehear
    School of Biological Sciences A08, University of Sydney, NSW 2006, Australia
    Parasitology 136:919-27. 2009
  8. ncbi The effects of fasting and cold exposure on metabolic rate and mitochondrial proton leak in liver and skeletal muscle of an amphibian, the cane toad Bufo marinus
    M Trzcionka
    Department of Animal Physiology, Faculty of Biology, Philipps Universitat Marburg, Karl von Frisch Strasse 8, 35043 Marburg
    J Exp Biol 211:1911-8. 2008
  9. ncbi A retrospective report of 90 dogs with suspected cane toad (Bufo marinus) toxicity
    M P Reeves
    Queensland Veterinary Specialists, 263 Appleby Road, Stafford Heights, Queensland 4053
    Aust Vet J 82:608-11. 2004
  10. pmc Mitochondrial Ca2+ homeostasis during Ca2+ influx and Ca2+ release in gastric myocytes from Bufo marinus
    R M Drummond
    Department of Physiology, University of Massachusetts Medical Center, Worcester 01605, USA
    J Physiol 522:375-90. 2000

Research Grants

  1. VASOTOCIN RECEPTORS
    PATRICK EGGENA; Fiscal Year: 1990
  2. CHLORIDE CHANNELS IN A MODEL EPITHELIUM--GALLBLADDER
    ARTHUR FINN; Fiscal Year: 1991
  3. OSMOTIC/IONIC STRESS EFFECTS ON THE AUDITORY PERIPHERY
    RANDY ZELICK; Fiscal Year: 1999
  4. POLYPEPTIDE HORMONE BIOSYNTHESIS--AMPHIBIAN MODELS
    Robert Dores; Fiscal Year: 1992
  5. MUSCARINIC CONTROL OF GASTROINTESTINAL SMOOTH MUSCLE
    Jeffrey Conklin; Fiscal Year: 1991
  6. DIGOXIN-SPECIFIC ANTIBODIES
    VINCENT BUTLER; Fiscal Year: 1993
  7. CELL MEMBRANE DETERMINANTS OF NAC1 TRANSPORT
    ISIDORE EDELMAN; Fiscal Year: 1980
  8. Local Ca2+ Signaling in Smooth Muscle
    John Walsh; Fiscal Year: 2008
  9. Regulation and Function of Internal Ca2+ Stores in Nerve Terminals
    John V Walsh; Fiscal Year: 2010

Detail Information

Publications178 found, 100 shown here

  1. ncbi Electrophoretic and functional identification of two troponin C isoforms in toad skeletal muscle fibers
    Brett O'Connell
    Muscle Cell Biochemistry Laboratory, School of Biomedical Sciences, Victoria Univ, PO Box 14428, MCMC, Melbourne, Victoria 8001, Australia
    Am J Physiol Cell Physiol 290:C515-23. 2006
    ..The Ca(2+) activation properties of toad fibers containing the TnC-T/c isoform appear to be consistent with the previously reported physiological characteristics of amphibian slow-tonic muscle fibers...
  2. ncbi Invasion and the evolution of speed in toads
    Benjamin L Phillips
    School of Biological Sciences A08, University of Sydney, New South Wales 2006, Australia
    Nature 439:803. 2006
    Cane toads (Bufo marinus) are large anurans (weighing up to 2 kg) that were introduced to Australia 70 years ago to control insect pests in sugar-cane fields...
  3. ncbi Ontogenetic variation in the chemical defenses of cane toads (Bufo marinus): toxin profiles and effects on predators
    R Andrew Hayes
    Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland, Australia
    J Chem Ecol 35:391-9. 2009
    ..Our results suggest a dramatic ontogenetic shift in the danger that toads pose to native predators, reflecting rapid changes in the types and amounts of toxins during toad development...
  4. ncbi The ecological impact of invasive cane toads (Bufo marinus) in Australia
    Richard Shine
    School of Biological Sciences A08, University of Sydney, NSW 2006, Australia
    Q Rev Biol 85:253-91. 2010
    ..One of the most intensively studied invasive taxa in this respect is the cane toad (Bufo marinus), which was introduced to Australia in 1935...
  5. pmc Inferring population history from microsatellite and enzyme data in serially introduced cane toads, Bufo marinus
    A Estoup
    Department of Zoology and Entomology, University of Queensland, QLD 4072 Australia
    Genetics 159:1671-87. 2001
    ..The serial introduction of the South-Central American cane toad Bufo marinus in various Caribbean and Pacific islands involves four major phases: a possible genetic admixture during the ..
  6. ncbi Origin of the parasites of an invading species, the Australian cane toad (Bufo marinus): are the lungworms Australian or American?
    Sylvain Dubey
    School of Biological Sciences A08, University of Sydney, Sydney, NSW 2006, Australia
    Mol Ecol 17:4418-24. 2008
    ..in invasive Australian populations of cane toads (Bufo marinus) are Rhabdias pseudosphaerocephala, a South American species...
  7. ncbi Rhabdias pseudosphaerocephala infection in Bufo marinus: lung nematodes reduce viability of metamorph cane toads
    C Kelehear
    School of Biological Sciences A08, University of Sydney, NSW 2006, Australia
    Parasitology 136:919-27. 2009
    Cane toads (Bufo marinus) were introduced to Australia in 1935 and have since spread widely over the continent, generating concern regarding ecological impacts on native predators...
  8. ncbi The effects of fasting and cold exposure on metabolic rate and mitochondrial proton leak in liver and skeletal muscle of an amphibian, the cane toad Bufo marinus
    M Trzcionka
    Department of Animal Physiology, Faculty of Biology, Philipps Universitat Marburg, Karl von Frisch Strasse 8, 35043 Marburg
    J Exp Biol 211:1911-8. 2008
    ....
  9. ncbi A retrospective report of 90 dogs with suspected cane toad (Bufo marinus) toxicity
    M P Reeves
    Queensland Veterinary Specialists, 263 Appleby Road, Stafford Heights, Queensland 4053
    Aust Vet J 82:608-11. 2004
    ..To report the clinical characteristics of toad toxicity in domestic dogs in Brisbane...
  10. pmc Mitochondrial Ca2+ homeostasis during Ca2+ influx and Ca2+ release in gastric myocytes from Bufo marinus
    R M Drummond
    Department of Physiology, University of Massachusetts Medical Center, Worcester 01605, USA
    J Physiol 522:375-90. 2000
    ..rhod-2 was used to monitor mitochondrial Ca2+ concentration ([Ca2+]m) in gastric smooth muscle cells from Bufo marinus. In some studies, fura-2 was used in combination with rhod-2, allowing simultaneous measurement of cytoplasmic ..
  11. ncbi Mortality and toxin bioaccumulation in Bufo marinus following exposure to Cylindrospermopsis raciborskii cell extracts and live cultures
    S H White
    Freshwater Ecology Group, Centre for Environmental Management, Central Queensland University, Building 6, Bruce Highway, Rockhampton, Qld 4702, Australia
    Environ Pollut 147:158-67. 2007
    ..Tadpoles of the cane toad Bufo marinus were exposed to freeze-thawed whole cell extracts or live cultures of C...
  12. ncbi Effects of beta-escin and saponin on the transverse-tubular system and sarcoplasmic reticulum membranes of rat and toad skeletal muscle
    B S Launikonis
    Department of Zoology, La Trobe University, Plenty Rd, Bundoora 3083, Victoria, Australia
    Pflugers Arch 437:955-65. 1999
    ....
  13. ncbi Multiple-organ toxicity resulting from cylindrospermopsin exposure in tadpoles of the cane toad (Bufo marinus)
    S H W Kinnear
    Freshwater Ecology Group, Centre for Environmental Management, Central Queensland University, Bruce Highway, Rockhampton, Queensland 4702, Australia
    Environ Toxicol 22:550-8. 2007
    Histological examinations were made of cane toad (Bufo marinus) tadpoles after exposure to freeze-thawed Cylindrospermopsis raciborskii whole cell extracts and live C...
  14. ncbi Role for the skeletal muscle action potential in non-Hebbian long-term depression at the amphibian (Bufo marinus) neuromuscular junction
    Sarah Jane Etherington
    School of Biomedical, Biomolecular and Chemical Sciences, The University of Western Australia, Crawley 6009, Australia
    Synapse 62:291-301. 2008
    ....
  15. pmc Postsynaptic production of nitric oxide implicated in long-term depression at the mature amphibian (Bufo marinus) neuromuscular junction
    Sarah J Etherington
    Physiology M311, School of Biomedical and Chemical Sciences, The University of Western Australia, Crawley, 6009, Australia
    J Physiol 559:507-17. 2004
    ..We showed that the long-lasting depression of transmitter release was due to sustained activity of the NO signalling pathway, and suggest dephosphorylation of NOS by calcineurin as the basis for continued NO production...
  16. pmc Effects of membrane cholesterol manipulation on excitation-contraction coupling in skeletal muscle of the toad
    B S Launikonis
    Department of Zoology, La Trobe University, Bundoora, Melbourne, Victoria, 3086, Australia
    J Physiol 534:71-85. 2001
    ....
  17. ncbi Infection dynamics of the lungworm Rhabdias pseudosphaerocephala in its natural host, the cane toad (Bufo marinus), and in novel hosts (native Australian frogs)
    Ligia Pizzatto
    School of Biological Sciences A08, University of Sydney, NSW 2006, Australia
    J Wildl Dis 46:1152-64. 2010
    ..Cane toads (Bufo marinus) are spreading rapidly through tropical Australia, carrying with them a nematode lungworm (Rhabdias ..
  18. ncbi Behavioral responses to immune-system activation in an anuran (the cane toad, Bufo marinus): field and laboratory studies
    D Llewellyn
    School of Biological Sciences, University of Sydney, New South Wales 2006, Australia
    Physiol Biochem Zool 84:77-86. 2011
    ..via injection of bacterial lipopolysaccharide [LPS]) on feeding, activity, and thermoregulation of cane toads Bufo marinus within their invasive range in tropical Australia. LPS injection reduced feeding rates in laboratory trials...
  19. ncbi Genetic analysis of complex demographic scenarios: spatially expanding populations of the cane toad, Bufo marinus
    Arnaud Estoup
    Centre de Biologie et de Gestion des Populations, Institut National de Recherche Agronomique, Campus International de Baillarguet CS 30 016 34988, Montferrier sur Lez, France
    Evolution 58:2021-36. 2004
    ..The geographic range of the introduced toad Bufo marinus is still expanding in eastern and northern Australia, in each case from isolates established around 1960...
  20. ncbi Interacting impacts of invasive plants and invasive toads on native lizards
    Samantha J Price-Rees
    School of Biological Sciences A08, University of Sydney, New South Wales 2006, Australia
    Am Nat 179:413-22. 2012
    ..As a result, populations of lizards from areas previously exposed to these alien plants may be preadapted to deal with the toxins of the more recent anuran invader...
  21. pmc Measuring energetics and behaviour using accelerometry in cane toads Bufo marinus
    Lewis G Halsey
    School of Life Sciences, Roehampton University, London, United Kingdom
    PLoS ONE 5:e10170. 2010
    Cane toads Bufo marinus were introduced to Australia as a control agent but now have a rapidly progressing invasion front and damage new habitats they enter...
  22. ncbi Cardiovascular responses to hypoxia and anaemia in the toad Bufo marinus
    Johnnie B Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    J Exp Biol 206:857-65. 2003
    ..This suggests that reductions in [O(2)] mediate cardiovascular adjustments, while ventilatory responses are caused by reduced Pa(O(2))...
  23. ncbi Bohle iridovirus as a vector for heterologous gene expression
    Jackie Pallister
    CSIRO Livestock Industries, Australian Animal Health Laboratory, 5 Portarlington Road, Geelong, Victoria 3220, Australia
    J Virol Methods 146:419-23. 2007
    ..A recombinant BIV was constructed with the neomycin resistance gene and the Bufo marinus (cane toad) adult globin gene inserted into the BIV eIF-2alpha region...
  24. ncbi Chronic hypoxia modulates NMDA-mediated regulation of the hypoxic ventilatory response in an amphibian, Bufo marinus
    Jessica McAneney
    Centre for the Neurobiology of Stress, Department of Life Sciences, University of Toronto at Scarborough, 1265 Military Trail, Toronto, Ont, Canada M1C 1A4
    Respir Physiol Neurobiol 153:23-38. 2006
    ..The results indicate that CH did not produce mammalian-like VAH (i.e. increased resting ventilation and an augmented acute HVR) but did alter MK801-sensitive regulation of breathing pattern and the acute HVR...
  25. ncbi Genes induced during the early developmental stages of the Cane Toad, Bufo (Chaunus) marinus
    Damien C T Halliday
    CSIRO Entomology, Clunies Ross Street, GPO Box 1700, Canberra, ACT 2601, Australia
    Gene Expr Patterns 8:424-32. 2008
    ....
  26. ncbi Cardiorespiratory responses of the toad (Bufo marinus) to hypoxia at two different temperatures
    A K Gamperl
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
    J Exp Biol 202:3647-58. 1999
    Central vascular blood flows and ventilation were measured in conscious toads (Bufo marinus) at 15 and 25 degrees C. The animals were exposed to hypoxia (Fi(O)(sum)=0.10 and 0...
  27. pmc Tubular system volume changes in twitch fibres from toad and rat skeletal muscle assessed by confocal microscopy
    Bradley S Launikonis
    Department of Zoology, La Trobe University, Bundoora, Victoria 3086, Australia
    J Physiol 538:607-18. 2002
    ....
  28. ncbi Effects of meal size, meal type, body temperature, and body size on the specific dynamic action of the marine toad, Bufo marinus
    Stephen M Secor
    Department of Biology, University of Mississippi, University, MS 38677, USA
    Physiol Biochem Zool 75:557-71. 2002
    ..body temperature, and body size on the postprandial metabolic response and calculated SDA of the marine toad, Bufo marinus. Peak postprandial rates of O(2) consumption (.V(O2)) and CO(2) production (...
  29. pmc Agriculture alters gonadal form and function in the toad Bufo marinus
    Krista A McCoy
    School of Natural Resources and Environment, University of Florida, Gainesville, Florida, USA
    Environ Health Perspect 116:1526-32. 2008
    ..However, evidence of endocrine disruption in wild amphibians living in agricultural areas has been controversial. Typically, studies on the effects of pollutants on wildlife attempt to compare polluted with unpolluted sites...
  30. ncbi Bidder's organ in the toad Bufo marinus: effects of orchidectomy on the morphology and expression of lamina-associated polypeptide 2
    Federico D Brown
    Departamento de Ciencias Biologicas, Pontificia Universidad Catolica del Ecuador, Avenida 12 de Octubre y Patria, Apartado 17 01 2184, Quito, Ecuador
    Dev Growth Differ 44:527-35. 2002
    ..morphology and on lamina-associated polypeptide 2 (LAP2) expression were investigated in the Bidder's organ of Bufo marinus. To characterize bidderian oocytes, oogenesis in the ovary was divided into six stages...
  31. ncbi Properties of the vertebrate skeletal muscle tubular system as a sealed compartment
    Bradley S Launikonis
    Department of Zoology, La Trobe University, Bundoora, Victoria, 3086, Australia
    Cell Biol Int 26:921-9. 2002
    ..This explanation can also help with better understanding the mechanism responsible for vacuole formation in intact fibres...
  32. ncbi A toad more traveled: the heterogeneous invasion dynamics of cane toads in Australia
    Mark C Urban
    National Center for Ecological Analysis and Synthesis, Santa Barbara, California 93101, USA
    Am Nat 171:E134-48. 2008
    ..As an invasive species spreads, it is likely to encounter conditions that influence dispersal rates via one or both of these mechanisms...
  33. ncbi Testosterone secretion and pharmacological spermatozoal recovery in the cane toad (Bufo marinus)
    E Iimori
    School of Animal Studies, The University of Queensland, Gatton, Australia
    Anim Reprod Sci 90:163-73. 2005
    The cane toad (Bufo marinus) was used as a model to study male anuran reproductive endocrinology and to develop a protocol for non-invasive sperm recovery...
  34. ncbi Isolation and characterization of novel endogenous digitalis-like factors in the ovary of the giant toad, Bufo marinus
    M Matsukawa
    Department of Analytical Chemistry, Pharmaceutical Sciences, Setsunan University, 45 1, Nagaotoge cho, Hirakata, Osaka 573 0101, Japan
    J Nat Prod 61:1476-81. 1998
    We have previously described the structures of four novel unconjugated bufadienolides in the ovary of the toad, Bufo marinus. In this study, we report the separation and characterization of three novel bufadienolide conjugates...
  35. ncbi Identification of a fourth opioid core sequence in a prodynorphin cDNA cloned from the brain of the amphibian, Bufo marinus: deciphering the evolution of prodynorphin and proenkephalin
    Phillip Danielson
    Department of Biological Sciences, University of Denver, Denver, CO 80210, USA
    Neuroendocrinology 76:55-62. 2002
    ..This is not the case for the anuran amphibian, Bufo marinus. A combination of 3'RACE, RT-PCR and 5'RACE protocols was used to clone and characterize a prodynorphin cDNA ..
  36. ncbi Z and W sex chromosomes in the cane toad (Bufo marinus)
    John Abramyan
    Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
    Chromosome Res 17:1015-24. 2009
    The cane toad (Bufo marinus) is one of the most notorious animal pests encountered in Australia. Members of the genus Bufo historically have been regarded as having genotypic sex determination with male homogamety/female heterogamety...
  37. pmc Visualization of Ca2+ entry through single stretch-activated cation channels
    Hui Zou
    Department of Physiology and Biomedical Imaging Group, University of Massachusetts Medical School, Worcester, MA 01655, USA
    Proc Natl Acad Sci U S A 99:6404-9. 2002
    ..Such Ca(2+) currents passing through SACs are sufficient to activate large-conductance Ca(2+)-activated K(+) channels and, as shown previously, to trigger Ca(2+) release from intracellular stores...
  38. pmc A novel signalling pathway originating in mitochondria modulates rat skeletal muscle membrane excitability
    Niels Ørtenblad
    Department of Zoology, La Trobe University, Bundoora, Melbourne, Victoria, 3086, Australia
    J Physiol 548:139-45. 2003
    ....
  39. ncbi Short-term storage of cane toad (Bufo marinus) gametes
    R K Browne
    Department of Biological Sciences, University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
    Reproduction 121:167-73. 2001
    The responses of cane toad (Bufo marinus) gametes, used as a model for the development of assisted reproduction techniques for rare and endangered amphibians, to short-term storage at temperatures > 0 degrees C were studied...
  40. ncbi The effect of N-ethylmaleimide on transmitter release from the skeletal neuromuscular junction of Bufo marinus
    D Knight
    School of Biomedical Sciences, University of Queensland, St Lucia QLD, Australia 4072
    Synapse 53:151-8. 2004
    ..effect of low concentrations of NEM on synaptic transmission in intact nerve-muscle preparations from toads (Bufo marinus). Under conditions of low transmitter release probability (0...
  41. pmc Inverted photocurrent responses from amphibian rod photoreceptors: role of membrane voltage in response recovery
    Jaakko L P Jarvinen
    Physiological Laboratory, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK
    J Physiol 566:455-66. 2005
    We recorded photocurrent responses of retinal rods isolated from cane toads Bufo marinus and clawed frogs Xenopus laevis...
  42. ncbi Bufo marinus bladder H-K-ATPase carries out electroneutral ion transport
    M Burnay
    Institut de Pharmacologie et de Toxicologie, CH-1005 Lausanne, Switzerland
    Am J Physiol Renal Physiol 281:F869-74. 2001
    b>Bufo marinus bladder H-K-ATPase belongs to the Na-K-ATPase and H-K-ATPase subfamily of oligomeric P-type ATPases and is closely related to rat and human nongastric H-K-ATPases...
  43. ncbi Effects of ACL myotoxin, a Lys49 phospholipase A(2) from Agkistrodon contortrix laticinctus snake venom, on water transport in the isolated toad urinary bladder
    R S Leite
    Departamento de Ciencias Fisiologicas, Universidade Federal de Sao Carlos, Rodovia Washington Luis km 235, Sao Carlos, SP 13565 905, Brazil
    Toxicon 43:77-83. 2004
    ..These results suggest that the effects of ACLMT on water transport may be mediated by increasing intracellular calcium and stimulation prostaglandin biosynthesis...
  44. pmc Disruption of excitation-contraction coupling and titin by endogenous Ca2+-activated proteases in toad muscle fibres
    Esther Verburg
    Department of Zoology, La Trobe University, Bundoora, Victoria 3086, Australia
    J Physiol 564:775-90. 2005
    ..We conclude that the disruption of EC coupling occurring at elevated levels of [Ca(2+)] is likely to be caused at least in part by Ca(2+)-activated proteases, most likely by calpain-3, though a role of calpain-1 is not excluded...
  45. pmc Spontaneous transient outward currents arise from microdomains where BK channels are exposed to a mean Ca(2+) concentration on the order of 10 microM during a Ca(2+) spark
    Ronghua Zhuge
    Biomedical Imaging Group, Department of Physiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    J Gen Physiol 120:15-27. 2002
    ....
  46. ncbi Effects of the PKA inhibitor H-89 on excitation-contraction coupling in skinned and intact skeletal muscle fibres
    R Blazev
    Department of Zoology, La Trobe University, Victoria, Australia
    J Muscle Res Cell Motil 22:277-86. 2001
    ..These results do not support the hypothesis that phosphorylation is essential for the Ca2+ release channel to open in response to voltage-sensor activation in skeletal muscle fibres...
  47. ncbi Effects of a myotoxic Asp49 phospholipase A2 (ACL-I PLA2) isolated from Agkistrodon contortrix laticinctus snake venom on water transport in the isolated toad urinary bladder
    R S Leite
    Departamento de Ciencias Fisiologicas, Universidade Federal de Sao Carlos, Rodovia Washington Luis, km 235, Sao Carlos, SP, 13565 905, Brazil
    Toxicon 43:847-53. 2004
    ..These results strongly suggest that PLA2 activity is not involved in the ACLMT effect on water transport and the effect of ACL-I PLA2 myotoxin on membrane permeability is mediated by mechanisms that are different in comparison to ACLMT...
  48. pmc ATP modulates intracellular Ca2+ and firing rate through a P2Y1 purinoceptor in cane toad pacemaker cells
    Yue Kun Ju
    Department of Physiology, Institute for Biomedical Research, University of Sydney, NSW, Australia
    J Physiol 552:777-87. 2003
    ..Our study shows that in toad pacemaker cells, the biphasic effects of ATP on pacemaker activity are mainly through P2Y1 purinoceptors, which are able to modulate Ca2+ release from the SR Ca2+ store...
  49. ncbi Spontaneous mitochondrial depolarizations are independent of SR Ca2+ release
    Catherine M O'Reilly
    Dept of Physiology, Univ of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA 01655, USA
    Am J Physiol Cell Physiol 286:C1139-51. 2004
    ..Focal Ca(2+) release from the SR does not cause flickers in the cells employed here...
  50. ncbi Mechanisms of calcium sequestration during facilitation at active zones of an amphibian neuromuscular junction
    M R Bennett
    The Neurobiology Laboratory, Department of Physiology, The Institute for Biomedical Research, University of Sydney, New South Wales 2006, Australia
    J Theor Biol 247:230-41. 2007
    The calcium transients (Delta[Ca(2+)](i)) at active zones of amphibian (Bufo marinus) motor-nerve terminals that accompany impulses, visualized using a low-affinity calcium indicator injected into the terminal, are described and the ..
  51. ncbi Electrophysiological properties of the tongue epithelium of the toad Bufo marinus
    Timothy K Baker
    Department of Biological Sciences, University of Nevada Las Vegas, Las Vegas, NV 89154 4004, USA
    J Exp Biol 205:1943-52. 2002
    The dorsal lingual epithelium from the tongue of the toad Bufo marinus was mounted in an Ussing-type chamber, and the short-circuit current (I(sc)) was measured using a low-noise voltage clamp...
  52. pmc The role of the third extracellular loop of the Na+,K+-ATPase alpha subunit in a luminal gating mechanism
    Oihana Capendeguy
    Institut de Pharmacologie et de Toxicologie, Universite de Lausanne, Rue du Bugnon 27, CH 1005 Lausanne, Switzerland
    J Physiol 565:207-18. 2005
    ..These residues occupy positions that are critical for either the cation pathway or the conformational modifications...
  53. ncbi Schwann cell dynamics with respect to newly formed motor-nerve terminal branches on mature (Bufo marinus) muscle fibers
    P Dickens
    The Neurobiology Laboratory, Department of Physiology and Institute for Biomedical Research, University of Sydney, NSW 2006, Australia
    J Neurocytol 32:381-92. 2003
    ..terminals from long processes formed at the end of motor nerve branches of endplates in mature amphibian (Bufo marinus) muscle...
  54. ncbi Structural basis for the spotted appearance of amphibian neuromuscular junctions stained for synaptic vesicles
    A W Everett
    Physiology, School of Biomedical and Chemical Sciences, The University of Western Australia, Crawley 6009, Australia
    J Neurocytol 31:15-25. 2002
    ..We conclude that the spotty pattern of stained vesicles seen with the optical microscope results primarily from vesicle accumulations associated with terminal varicosities...
  55. ncbi Chronic hypoxia attenuates central respiratory-related pH/CO2 chemosensitivity in the cane toad
    Jessica McAneney
    Centre for the Neurobiology of Stress, Department of Life Sciences, University of Toronto at Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4 Canada
    Respir Physiol Neurobiol 156:266-75. 2007
    ..hypoxia (CH) and mid-brain transection on central respiratory-related pH/CO(2) chemosensitivity in cane toads (Bufo marinus)...
  56. ncbi Osmotically absorbed water preferentially enters the cutaneous capillaries of the pelvic patch in the toad Bufo marinus
    James M Word
    School of Animal Biology, University of Western Australia, Crawley, Western Australia 6009, Australia
    Physiol Biochem Zool 78:40-7. 2005
    ..the lymphatic route at the pelvic patch skin under the influence of isoproterenol and arginine vasotocin in Bufo marinus by continuously aspirating lymph from the lymph sacs draining the pelvic patch while the animals absorbed water...
  57. ncbi Plasma aldosterone, angiotensin II, and arginine vasotocin concentrations in the toad, Bufo marinus, following osmotic treatments
    Norifumi Konno
    Department of Biology, Faculty of Science, Toyama University, Toyama 930 8555, Japan
    Gen Comp Endocrinol 140:86-93. 2005
    ..of aldosterone (ALDO), angiotensin II (ANG II), and AVT after various osmotic challenges in the marine toad, Bufo marinus (Bufonidae)...
  58. ncbi Early effects of metabolic inhibition on intracellular Ca2+ in toad pacemaker cells: involvement of Ca2+ stores
    Yue Kun Ju
    Department of Physiology and Institute for Biomedical Research, University of Sydney, New South Wales 2006, Australia
    Am J Physiol Heart Circ Physiol 284:H1087-94. 2003
    ..In conclusion, CN(-) appears to reduce Ca(2+) release from the SR mainly by reducing SR Ca(2+) content. A likely cause of the decreased SR content is reduced Ca(2+) uptake by the SR pump...
  59. pmc Using total fluorescence increase (signal mass) to determine the Ca2+ current underlying localized Ca2+ events
    Hui Zou
    Dept of Physiology, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA 01655, USA
    J Gen Physiol 124:259-72. 2004
    ..In addition, it allowed a more accurate estimate of the Ca(2+) current underlying Ca(2+) sparks resulting from Ca(2+) release from intracellular stores via ryanodine receptors in the same preparation...
  60. ncbi Effects of the myotoxic Lys49 phospholipase A2 from Agkistrodon contortrix laticinctus snake venom on water transport in the toad bladder epithelium: evidence for a role of microtubules and calmodulin
    R S Leite
    Departamento de Ciencias Fisiologicas, Universidade Federal de Sao Carlos, Sao Carlos, Rodovia Washington Luis, km 235, Sao Carlos, SP, 13565 905, Brazil
    Toxicol In Vitro 21:651-5. 2007
    ..This study provides a deeper understanding of the effects of the Lys49 PLA2 myotoxins on membrane permeability, thus contributing to elucidate the toxicity mechanism of these myotoxins on biological tissues...
  61. ncbi Ca(2+) spark sites in smooth muscle cells are numerous and differ in number of ryanodine receptors, large-conductance K(+) channels, and coupling ratio between them
    Ronghua Zhuge
    Department of Physiology, University of Massachusetts Medical Center, 55 Lake Ave North, Worcester, MA 01655, USA
    Am J Physiol Cell Physiol 287:C1577-88. 2004
    ..The implications of these findings for the organization of the spark microdomain are explored...
  62. pmc The use of the indicator fluo-5N to measure sarcoplasmic reticulum calcium in single muscle fibres of the cane toad
    A A Kabbara
    Department of Physiology and Institute of Biomedical Research, University of Sydney F13, NSW 2006, Australia
    J Physiol 534:87-97. 2001
    1. Single fibres from the lumbrical muscles of the cane toad (Bufo marinus) were incubated in fluo-5N AM for 2 h at 35 degrees C in order to load the indicator into the sarcoplasmic reticulum...
  63. ncbi Cyanide inhibits the Na+/Ca2+ exchanger in isolated cardiac pacemaker cells of the cane toad
    Yue Kun Ju
    Department of Physiology, Institute for Biomedical Research, University of Sydney, F13, Sydney, NSW, Australia
    Pflugers Arch 449:442-8. 2005
    ..These results show that cyanide (CN-) inhibits NCX activity at least partly through changes in the intrinsic properties of NCX. The inhibition of NCX probably contributes to the slower firing rate of pacemaker cells in CN-...
  64. ncbi Effect of a recombinant Lys49PLA2 myotoxin and Lys49PLA2-derived synthetic peptides from Agkistrodon species on membrane permeability to water
    R S Leite
    Department of Physiological Sciences, Universidade Federal de Sao Carlos, Rodovia Washington Luis, km 235, Sao Carlos, SP 13565 905, Brazil
    Toxicon 44:157-9. 2004
    ..These results suggest that the ACL myotoxin effect on water transport is not related to the cytotoxic C-terminal region...
  65. ncbi Myosin heavy chain isoform expression and Ca2 +-stimulated ATPase activity in single fibres of toad rectus abdominis muscle
    Long Thanh Nguyen
    Muscle Cell Biochemistry Laboratory, School of Life Sciences and Technology, Victoria University, Melbourne, Australia
    J Muscle Res Cell Motil 23:147-56. 2002
    Segments of single fibres from the rectus abdominis (RA) muscles of adult and juvenile cane toads (Bufo marinus) were examined for myosin heavy chain (mHC) isoform expression and Ca2+-stimulated MgATPase activity...
  66. ncbi Functional analysis of natriuretic peptide receptors in the bladder of the toad, Bufo marinus
    Stuart K Meier
    School of Biological and Chemical Sciences, Deakin University, Geelong, Victoria, 3217, Australia
    Gen Comp Endocrinol 125:207-17. 2002
    This study aimed to localize and characterize natriuretic peptide binding sites in the urinary bladder of Bufo marinus and to then examine the effect of natriuretic peptides on the bladder vascular tone and water reabsorption in isolated ..
  67. pmc Quantitative analysis of spontaneous mitochondrial depolarizations
    Catherine M O'Reilly
    Department of Physiology and Biomedical Imaging Group, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Biophys J 85:3350-7. 2003
    ..6 +/- 1.0 mV (n = 360) and a distribution skewed to smaller values. Nearly all mitochondria flickered, and they did so independently of one another, indicating that mitochondria function as independent units in the myocytes employed here...
  68. ncbi Arginine vasotocin promotes urea permeability through urea transporter expressed in the toad urinary bladder cells
    Norifumi Konno
    Department of Life and Environmental Science, Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930 8555, Japan
    Gen Comp Endocrinol 152:281-5. 2007
    We previously isolated a cDNA of a urea transporter (Bufo UT) from the kidney of the marine toad, Bufo marinus, and demonstrated that the Bufo UT was specifically localized on the epithelial membrane of the early distal tubules in the ..
  69. ncbi General function and endocrine control of the posterior lymph hearts in Bufo marinus and Rana catesbeiana
    Edward A DeGrauw
    Biology Department, SY HT 305, Portland Community College, P O Box 19000, Portland, OR 97280 0990, USA
    Physiol Biochem Zool 77:594-600. 2004
    ..ANGII), and atrial natriuretic peptide (ANP) on lymph heart pressure (P(lh)) and rate (f(lh)) were examined in Bufo marinus and Rana catesbeiana. The P(lh) and f(lh) for normally hydrated B. marinus at rest were 1.45+/-0.01 kPa and 52...
  70. pmc Osmotic properties of the sealed tubular system of toad and rat skeletal muscle
    Bradley S Launikonis
    Department of Zoology, La Trobe University, Bundoora, Victoria, Australia
    J Gen Physiol 123:231-47. 2004
    ..This orderly rearrangement can provide a pathway for longitudinal continuity of the t-system along the fiber axis...
  71. ncbi The role of hind limb flexor muscles during swimming in the toad, Bufo marinus
    Gary B Gillis
    Department of Biological Sciences, Mount Holyoke College, South Hadley, MA 01075, USA
    Zoology (Jena) 110:28-40. 2007
    ..and electromyographic analyses to explore the roles of four anatomical flexor muscles in the hind limb of Bufo marinus during swimming: m. iliacus externus, a hip flexor; mm. iliofibularis and semitendinosus, knee flexors; and m...
  72. ncbi Morphological recovery in the reattached retina of the toad Bufo marinus: a new experimental model of retinal detachment
    Moustafa Abdal Monaim
    Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura, Egypt
    Arch Med Res 36:107-12. 2005
    The retinal pigment epithelium (RPE) of the toad (Bufo marinus) has been used in many studies as a model for understanding its role and interaction with the neural retina...
  73. ncbi Interactive effects of mechano- and chemo-receptor inputs on cardiorespiratory outputs in the toad
    T Wang
    Biosciences, The University of Birmingham, Edgbaston, UK
    Respir Physiol Neurobiol 140:63-76. 2004
    ....
  74. ncbi Effects of inhibition gastric acid secretion on arterial acid-base status during digestion in the toad Bufo marinus
    Johnnie B Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Universitetsparken Building 131, 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 135:425-33. 2003
    ..In this study, we investigate whether the postprandial increase in PaCO2 of the toad Bufo marinus represents a compensatory response to the increased plasma [HCO3(-)] or a state-dependent change in the control ..
  75. ncbi Cardiorespiratory effects of forced activity and digestion in toads
    Johnnie Bremholm Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Denmark
    Physiol Biochem Zool 76:459-70. 2003
    ..Here we describe the combined effects of feeding and activity in the toad Bufo marinus to investigate whether the increased bicarbonate buffering capacity during digestion (the so-called alkaline ..
  76. ncbi The primary structures and myotropic activities of two tachykinins isolated from the African clawed frog, Xenopus laevis
    Agot Johansson
    Department of Zoophysiology, University of Goteborg, Box 463, SE 405 30, Goteborg, Sweden
    Regul Pept 108:113-21. 2002
    ..NH(2), which is identical to the previously characterized peptide, bufokinin isolated from the toad Bufo marinus. The primary structure of an NKA-related peptide was established as Thr-Leu-Thr-Thr-Gly-Lys-Asp-Phe-Val-Gly-Leu-..
  77. ncbi Chronic hypoxic hypercapnia modifies in vivo and in vitro ventilatory chemoreflexes in the cane toad
    Kajapiratha Srivaratharajah
    Centre for the Neurobiology of Stress, Department of Biological Sciences, University of Toronto, Scarborough, Toronto, Ontario, Canada
    Respir Physiol Neurobiol 160:249-58. 2008
    ..CHC) alone have opposite effects on central respiratory-related pH/CO(2) chemosensitivity in the cane toad (Bufo marinus). This study examined the effects of chronic hypoxic hypercapnia (CHH) on central pH/CO(2) chemosensitivity...
  78. ncbi Effects of anaesthesia on blood gases, acid-base status and ions in the toad Bufo marinus
    Johnnie Bremholm Andersen
    Department of Zoophysiology, Institute of Biological Sciences, University of Aarhus, Building 131, Universitetsparken, DK 8000 Aarhus C, Denmark
    Comp Biochem Physiol A Mol Integr Physiol 131:639-46. 2002
    ..Here, we report physiological parameters during and after anaesthesia in the toad Bufo marinus. For anaesthesia, toads were immersed in benzocaine (1 g l(-1)) for 15 min or until the corneal reflex ..
  79. ncbi The water-absorption region of ventral skin of several semiterrestrial and aquatic anuran amphibians identified by aquaporins
    Yuji Ogushi
    Integrated Bioscience Section, Graduate School of Science and Technology, Shizuoka University, Shizuoka, Japan
    Am J Physiol Regul Integr Comp Physiol 299:R1150-62. 2010
    ..In Bufo marinus, labeling for Hyla urinary bladder-type AQP (AQP-h2), which is also localized in the urinary bladder, occurred ..
  80. ncbi Comparative enzymology of AMP deaminase, adenylate kinase, and creatine kinase in vertebrate heart and skeletal muscle: the characteristic AMP deaminase levels of skeletal versus cardiac muscle are reversed in the North American toad
    W N Fishbein
    Dept of Environmental and Chemical Pathology, Armed Forces Institute of Pathology, Washington, DC 20306 6000
    J Comp Physiol B 163:175-81. 1993
    ..any general anuran evolutionary strategy, since the bullfrog (Rana catesbeiana) and the giant tropic toad (Bufo marinus) have the usual vertebrate pattern of adenosine monophosphate deaminase distribution...
  81. ncbi Physiological responses to feeding, fasting and estivation for anurans
    Stephen M Secor
    Department of Physiology, University of California at Los Angeles, School of Medicine, Los Angeles, CA 90095 1751, USA
    J Exp Biol 208:2595-608. 2005
    ..Ceratophrys ornata and Pyxicephalus adspersus were significantly less than those of the non-estivating Bufo marinus, Leptodactylus pentadactylus and Rana catesbeiana...
  82. ncbi Genotypic analysis of Mucor from the platypus in Australia
    J H Connolly
    EH Graham Centre for Agricultural Innovation Industry and Investment NSW and Charles Sturt University, Charles Sturt University, PO Box 588, Wagga Wagga, NSW, Australia
    J Wildl Dis 46:55-69. 2010
    ..Infection has also been reported in free-ranging cane toads (Bufo marinus) and green tree frogs (Litoria caerulea) from mainland Australia but has not been confirmed in platypuses from ..
  83. ncbi Islet hormones from the African bullfrog Pyxicephalus adspersus (Anura:Ranidae): structural characterization and phylogenetic implications
    J M Conlon
    Regulatory Peptide Center, Creighton University School of Medicine, Omaha, Nebraska, 68178, USA
    Gen Comp Endocrinol 119:85-94. 2000
    ..resemble more closely the corresponding peptides from the cane toad Bufo marinus than the peptides from any species of Rana...
  84. ncbi The short-term storage and cryopreservation of spermatozoa from hylid and myobatrachid frogs
    R K Browne
    School of Life and Environmental Sciences, University of Newcastle, University Drive, Callaghan 2308, NSW, Australia
    Cryo Letters 23:129-36. 2002
    ..to examine the applicability of amphibian spermatozoa storage protocols developed with the cane toad (Bufo marinus) to a wider range of amphibian species, with a view to ultimately using these protocols for endangered species...
  85. ncbi Spinal arthropathy associated with Ochrobactrum anthropi in free-ranging cane toads (Chaunus [Bufo] marinus) in Australia
    C M Shilton
    Berrimah Veterinary Laboratories, Northern Territory Government, Berrimah, Northern Territory, Australia
    Vet Pathol 45:85-94. 2008
    ..Invasive toads may be predisposed to this condition because of their large size; increased rates of movement; and, possibly, immunosuppression resulting from inhabiting a novel environment...
  86. ncbi Temperature effects on spectral properties of red and green rods in toad retina
    Petri Ala-Laurila
    Laboratory of Biomedical Engineering, Helsinki University of Technology, FIN 02015 HUT, Finland
    Vis Neurosci 19:781-92. 2002
    ..6 nm and 502.3 nm at room temperature (21degrees C) in, respectively, Bufo marinus and Bufo bufo), that of green rods (lambda(max) = 432...
  87. pmc The characterization of amphibian nucleoplasmins yields new insight into their role in sperm chromatin remodeling
    Lindsay J Frehlick
    Department of Biochemistry and Microbiology, University of Victoria, Petch Building, Victoria, BC, V8W 3P6, Canada
    BMC Genomics 7:99. 2006
    ....
  88. pmc Palytoxin acts on Na(+),K (+)-ATPase but not nongastric H(+),K (+)-ATPase
    Saida Guennoun-Lehmann
    Department of Biological Sciences, Ohio University, Athens, OH 45701, USA
    J Membr Biol 216:107-16. 2007
    ..The following combinations of cRNA were expressed in Xenopus laevis oocytes: Bufo marinus bladder H,K-ATPase alpha(2)- and Na,K-ATPase beta(2)-subunits; Bufo Na,K-ATPase alpha(1)- and Na,K-ATPase beta(..
  89. pmc Adapting to an invasive species: toxic cane toads induce morphological change in Australian snakes
    Ben L Phillips
    School of Biological Sciences A08, University of Sydney, New South Wales 2006, Australia
    Proc Natl Acad Sci U S A 101:17150-5. 2004
    ..In Australia, invasive cane toads (Bufo marinus) are highly toxic to most snakes that attempt to eat them...
  90. ncbi Lueheia inscripta (Westrumb, 1821) (Acanthocephala: Plagiorhynchidae) in anurans (Leptodactylidae: Bufonidae) from Mexico
    G Salgado-Maldonado
    Instituto de Biologia, Universidad Nacional Autonoma de Mexico, Apartado Postal 70 153, CP 04510, Mexico DF, Mexico
    Parasite 17:161-5. 2010
    ..lemnisci, are reported and described from mesenteries of frogs Leptodactylus fragilis Brochi, 1877 and a toad Bufo marinus (Linnaeus, 1758) from Morelos state, Mexico...
  91. ncbi Functional roles for the compartmentalization of the subcutaneous lymphatic sacs in anuran amphibians
    Stanley S Hillman
    Department of Biology, Portland State University, Portland, OR 97207 0751, USA
    Physiol Biochem Zool 78:515-23. 2005
    ..mass (and presumably rate of lymph formation), for the semiaquatic bullfrog Rana catesbeiana and the cane toad Bufo marinus but not the aquatic clawed toad Xenopus laevis. Subcutaneous lymph-sac compliances vary interspecifically...
  92. ncbi Species specificity of transferrin binding, endocytosis and iron internalization by cultured chick myogenic cells
    L M Sorokin
    Department of Physiology, University of Western Australia, Nedlands
    J Comp Physiol B 158:559-66. 1988
    ..Transferrins isolated from the serum of a toad (Bufo marinus) and a lizard (Teliqua rugosa), when added at high concentrations, were found to reduce surface-binding of 125I-..
  93. ncbi Hopping isn't always about the legs: forelimb muscle activity patterns during toad locomotion
    Trupti Akella
    Department of Biological Sciences, Mount Holyoke College, South Hadley, MA 01075, USA
    J Exp Zool A Ecol Genet Physiol 315:1-11. 2011
    ..of electrical activity patterns of six muscles that act at the shoulder or elbow joints in the cane toad, Bufo marinus. In particular, we aim to address the importance of these muscles with respect to various potential roles ..
  94. ncbi Respiratory physiology of high-altitude anurans: 55 years of research on altitude and oxygen
    Carlos A Navas
    Departamento de Fisiologia, Instituto de Biociencias, Universidade de Sao Paulo, Rua do Matao, Travessa 14 no 321, Cidade Universitaria, CEP 05508 900 São Paulo, SP, Brasil
    Respir Physiol Neurobiol 158:307-13. 2007
    ..that hemoglobin values were higher in the high-elevation Bufo bocourti than in the low-elevation species Bufo marinus. We use Stuart's paper as a starting point for a historical review of the field that encompasses the past 55 ..
  95. ncbi Surfactant in the gas mantle of the snail Helix aspersa
    C B Daniels
    Department of Environmental Biology, University of Adelaide, Adelaide, South Australia 5005, Australia
    Physiol Biochem Zool 72:691-8. 1999
    ..from primitive fish, teleost swim bladders, the lung of the Dipnoan Neoceratodus forsteri, and the amphibian Bufo marinus. However, the cholesterol/PL and cholesterol/DSP ratios are more similar to the amphibian B...
  96. ncbi Cardiovascular and behavioural changes during water absorption in toads, Bufo alvarius and Bufo marinus
    Arne L Viborg
    Zoophysiological Laboratory, August Krogh Institute, University of Copenhagen, Denmark
    J Exp Biol 209:834-44. 2006
    Blood cell flux (BCF) in the pelvic skin of Bufo marinus was lower than Bufo alvarius when toads rehydrated from deionised water (DI) or 50 mmol l-1 NaCl (NaCl). Despite the lower BCF in B...
  97. ncbi Locomotor performance in an invasive species: cane toads from the invasion front have greater endurance, but not speed, compared to conspecifics from a long-colonised area
    John Llewelyn
    School of Biological Sciences A08, University of Sydney, Sydney, NSW, 2006, Australia
    Oecologia 162:343-8. 2010
    Cane toads (Bufo marinus) are now moving about 5 times faster through tropical Australia than they did a half-century ago, during the early phases of toad invasion...
  98. pmc Pheromone-induced life-history shifts A novel approach to controlling invasive toads
    Mattias Hagman
    Department of Zoology Stockholm University Stockholm, Sweden
    Commun Integr Biol 3:238-9. 2010
    ..recurrent exposure to alarm pheromones reduced development time and size at metamorphosis in larval cane toads (Bufo marinus)...
  99. ncbi Amphibian choroid plexus lipocalin, Cpl1
    G Lepperdinger
    Institute of Molecular Biology, Austrian Academy of Sciences, Billrothstrasse 11, A 5020 Salzburg, Austria
    Biochim Biophys Acta 1482:119-26. 2000
    ..plexus lipocalin 1 (Cpl1) has been isolated from the African clawed toad (Xenopus laevis) and the cane toad (Bufo marinus). Xcpl1 has been used as a marker for studying early neural development...
  100. ncbi Purification, characterization, and biological activity of a substance P-related peptide from the gut of the Australian lungfish, Neoceratodus forsteri
    Lu Liu
    School of Physiology and Pharmacology, University of New South Wales, Sydney, New South Wales 2052, Australia
    Gen Comp Endocrinol 125:104-12. 2002
    ..The sequence of lungfish SP is identical to that of bufokinin, a SP-related peptide previously isolated from the intestine of the cane toad, Bufo marinus, supporting the hypothesis that lungfishes and amphibians share a common ancestor.
  101. ncbi Membrane recycling due to low and high rates of nerve stimulation at release sites in the amphibian (Bufo marinus) neuromuscular junction
    A W Everett
    Department of Physiology, The University of Western Australia, Nedlands, Australia
    Synapse 32:110-8. 1999
    ..This "recruitment" of release sites at high frequency stimulation occurs mostly in the proximal half of terminal branches and is not related to the abundance of synaptic vesicles in the terminal...

Research Grants10

  1. VASOTOCIN RECEPTORS
    PATRICK EGGENA; Fiscal Year: 1990
    ..The isolated urinary bladder of the toad, Bufo marinus, has been used extensively to study the cellular mechanism of action of AVP (or the amphibian antidiuretic ..
  2. CHLORIDE CHANNELS IN A MODEL EPITHELIUM--GALLBLADDER
    ARTHUR FINN; Fiscal Year: 1991
    ..is similar in some respects to chloride channels in other epithelia; our recent studies indicate that toad (Bufo marinus) and mudpuppy (Necturus maculosus) gallbladders and mudpuppy small intestine have physiologically similar ..
  3. OSMOTIC/IONIC STRESS EFFECTS ON THE AUDITORY PERIPHERY
    RANDY ZELICK; Fiscal Year: 1999
    ..cell end organs, afferent synapses and VIIIn will be examined in two species of anuran amphibians - a toad (Bufo marinus) which is dehydration-tolerant and a frog (Rana catesbeiana) which is dehydration-sensitive...
  4. POLYPEPTIDE HORMONE BIOSYNTHESIS--AMPHIBIAN MODELS
    Robert Dores; Fiscal Year: 1992
    ..The toad, Bufo marinus, provides a unique model system to study the N- acetylation of the POMC products, alpha-MSH and beta-endorphin...
  5. MUSCARINIC CONTROL OF GASTROINTESTINAL SMOOTH MUSCLE
    Jeffrey Conklin; Fiscal Year: 1991
    ..The studies proposed here will use isolated SMCs from the stomach of Bufo marinus (marine toad) to elucidate the muscarinic receptor-agonist interactions responsible for initiating smooth ..
  6. DIGOXIN-SPECIFIC ANTIBODIES
    VINCENT BUTLER; Fiscal Year: 1993
    ..activation, release and metabolic degradation of the endogenous digitalis-like substances (EDLS) of the toad, Bufo Marinus. We wish to explore the hypothesis that EDLS act as hormonal regulators of Na+ Homeostasis in the toad, with ..
  7. CELL MEMBRANE DETERMINANTS OF NAC1 TRANSPORT
    ISIDORE EDELMAN; Fiscal Year: 1980
    ..The urinary bladder of the toad (Bufo marinus) is being used as a model system for tight epithelia (e.g., equivalent to the distal segment of the nephron)...
  8. Local Ca2+ Signaling in Smooth Muscle
    John Walsh; Fiscal Year: 2008
    ..We postulate an analogous local regulation in VSM cells. We will examine how Ca2 +,sparks are regulated by nearby voltage-activated Ca2vchannels and the how feedback from Ca2+ sparks in turn affects the Ca2+ channels. ..
  9. Regulation and Function of Internal Ca2+ Stores in Nerve Terminals
    John V Walsh; Fiscal Year: 2010
    ..There are two general possibilities - that syntillas suppress full fusion events, allowing only partial emptying of a synaptic vesicle. Or the syntillas may suppress release of a population of larger vesicles - or both. ..